CN108281966B - Dual-power standby power supply operation control system for public building residential distribution room - Google Patents
Dual-power standby power supply operation control system for public building residential distribution room Download PDFInfo
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- CN108281966B CN108281966B CN201810297700.XA CN201810297700A CN108281966B CN 108281966 B CN108281966 B CN 108281966B CN 201810297700 A CN201810297700 A CN 201810297700A CN 108281966 B CN108281966 B CN 108281966B
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- 230000005611 electricity Effects 0.000 claims abstract 2
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- 238000009434 installation Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
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- 238000004146 energy storage Methods 0.000 description 1
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- H02J3/005—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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Abstract
The utility model provides a be used for public building house block terminal dual supply to prepare power supply operation control system, does not become case and does not become case including a No. one, a No. one does become the case and is equipped with No. one and open, no. three and open and two switch contactors of No. one, no. two do become the case and be equipped with No. two and open, no. four do open, no. two switch contactors of No. two and No. three two switch contactors of opening, no. two do become the outside of case and be equipped with No. five do open, a No. one does become case and No. two do become the case and be provided with the control cable between the case, is equipped with the power supply and provides for construction power before the block terminal is transmitted power, provides for public building power after the power supply. The invention is used for a dual-power standby power supply operation control system of a public building distribution room, the standby power supply is firstly put into operation, the control system runs, the electric switching-on of a high-voltage cabinet switch and a low-voltage cabinet switch is realized, the first high-voltage load cabinet is switched on for power transmission, the standby power supply enters a standby state with electricity, the second high-voltage load cabinet is switched on for power transmission, the two high-voltage load cabinets enter a standby state with each other, a mode of supplying power to a low-voltage circuit breaker and protection is adopted, the electric switching-on and switching-off of the circuit breaker is realized, and the reliable actions of the quick current breaking protection, the grounding protection and the zero sequence protection of the low-voltage cabinet group are avoided, so that the equipment burnout accident is avoided.
Description
Technical Field
The invention relates to the technical field of public house power supply systems, in particular to a double-power standby power supply operation control system for a public house power distribution room.
Background
At present, the operation control system of the newly-installed public house power distribution room has the advantages that the cost is related, a direct current system is not input, the low-voltage self power supply fails, the whole group of newly-installed equipment is debugged and does not have an operation power supply, the operation power supply is connected to the self power supply system, the operation power supply does not have the operation power supply after power failure, manual energy storage is needed, the operation power supply is protected by the low-voltage system, the instability of the operation power supply is avoided, and serious consequences of misoperation protection, operation rejection and equipment burnout are caused, so that the double-power-supply standby power supply operation control system for the public house power distribution room is provided.
Disclosure of Invention
The invention aims to provide a dual-power standby power supply operation control system for a public residential power distribution room, which can solve the following problems: 1) The high-low voltage switch can only be electrically opened, and because the switch-off has no operation power supply, the switch-on can only be manually operated, the switch-on time is long, and the technical problem that the physical strength of an operator is required to be consumed is solved; 2) When the high-low voltage switch cabinet and the dry-change secondary system fail to charge and test before primary equipment transmits power, the technical problem of the charging test and the test is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the double-power standby power supply operation control system for the public building distribution room comprises a first dry transformer box and a second dry transformer box, wherein a first idle switch, a third idle switch and a first double-open double-close contactor are arranged in the first dry transformer box, a second idle switch, a fourth idle switch, a second double-open double-close contactor and a third double-open double-close contactor are arranged in the second dry transformer box, a fifth idle switch is arranged outside the second dry transformer box, a standby power supply is connected, the standby power supply is a construction power supply before power transmission of the distribution room, a public building commercial power supply is arranged after power transmission, 1 RVVB-2X 2.5 control cable is arranged between the first dry transformer box and the second dry transformer box, and the number of the control cables is 1; the output end of the first connecting terminal which is opened in a first mode is connected with the input end of the first connecting terminal of the first double-opening double-closing contactor, the output end of the first connecting terminal of the first double-opening double-closing contactor is connected with the input end of the third connecting terminal which is opened in a second mode, and the output end of the third connecting terminal which is opened in the first mode is connected with the output end of the third connecting terminal of the third double-opening double-closing contactor through a control cable; the output end of the first connecting terminal which is opened in a No. 2 is connected with the input end of the connecting terminal 2 of the first double-opening double-closing contactor, the output end of the connecting terminal 2 of the first double-opening double-closing contactor is connected with the input end of the connecting terminal 2 which is opened in a No. three, and the output end of the connecting terminal 2 which is opened in a No. three is connected with the output end of the connecting terminal 4 of the third double-opening double-closing contactor through a control cable; the output end of the wiring terminal 3 of the first double-opening double-closing contactor is connected with the output end of the wiring terminal 1 of the first double-opening double-closing contactor in parallel, the output end of the wiring terminal 4 of the first double-opening double-closing contactor is connected with the output end of the wiring terminal 2 of the first double-opening double-closing contactor in parallel, the input end of the wiring terminal 3 of the first double-opening double-closing contactor is connected with the input end of the wiring terminal 1 of the fourth double-opening double-closing contactor through a control cable, the output end of the wiring terminal 1 of the fourth double-opening double-closing contactor is connected with the input end of the wiring terminal 1 of the second double-opening double-closing contactor, and the output end of the wiring terminal 1 of the second double-opening double-closing contactor is connected with the input end of the wiring terminal 1 of the third double-opening double-closing contactor; the input end of a wiring terminal No. 4 of the double-opening double-closing contactor is connected with the input end of a wiring terminal No. 2 which is opened in a No. four manner through a control cable, the output end of the wiring terminal No. 2 which is opened in a No. four manner is connected with the input end of a wiring terminal No. 2 of the double-opening double-closing contactor, and the output end of the wiring terminal No. 2 of the double-opening double-closing contactor is connected with the input end of a wiring terminal No. 2 of the double-opening double-closing contactor; the input end of the second connecting terminal with the No. 1 is connected with the No. 5 connecting terminal of the third double-opening double-closing contactor, and the input end of the second connecting terminal with the No. 2 is connected with the No. 6 connecting terminal of the third double-opening double-closing contactor; the input end of the No. 1 binding post of the No. five blank opening is connected with the output end of the No. 3 binding post of the No. two double-opening double-closing contactor, the input end of the No. 3 binding post of the No. two double-opening double-closing contactor is connected with the No. 1 input terminal of the No. two double-opening double-closing contactor in parallel, no. 2 binding post input end of No. five empty switch connects No. two the output end of the No. 4 binding post of the double-opening double-closing contactor, the input end of the No. 4 binding post of the No. two double-opening double-closing contactor is connected with the No. 2 input terminal of the No. two double-opening double-closing contactor in parallel.
Preferably, the side end of the first dry transformer box is provided with a first high-voltage load cabinet, a first transformer and a low-voltage cabinet group, the side end of the second dry transformer box is provided with a second transformer and a second high-voltage load cabinet, the input end of the first empty wiring terminal 1 is connected with the wiring terminal 1 of the first transformer, the input end of the second empty wiring terminal 2 is connected with the wiring terminal 2 of the first transformer, the wiring terminals 1 of the first high-voltage load cabinet and the wiring terminal 1 of the low-voltage cabinet group are both connected with the input terminal 1 of the first double-opening double-closing contactor, the wiring terminals 2 of the first high-voltage load cabinet and the wiring terminal 2 of the low-voltage cabinet group are both connected with the input terminal 2 of the first double-opening double-closing contactor, the wiring terminal 3 of the first high-voltage load cabinet is connected with the wiring terminal 4 of the first transformer, and the wiring terminal 3 of the first transformer is connected with the wiring terminal 5 of the low-voltage cabinet group; the wiring terminal 1 of No. two high-voltage load cabinets and the wiring terminal 3 of low-voltage cabinet group all connect the wiring terminal output of No. 3 of No. three double-opening double-closing contactor, and the wiring terminal 2 of No. two high-voltage load cabinets and the wiring terminal 4 of low-voltage cabinet group all connect the wiring terminal output of No. 4 of No. three double-opening double-closing contactor, and the wiring terminal output termination No. 1 of No. two unopened No. 1 of No. two transformers does not, and the wiring terminal output termination No. 2 of No. two unopened No. 2 transformers does not, and the wiring terminal 3 of No. two transformers does not connect the wiring terminal 6 of low-voltage cabinet group, and the wiring terminal 4 of No. two transformers does not connect the wiring terminal 3 of No. two high-voltage load cabinets.
Preferably, the control cable adopts a KVV-4 multiplied by 2.5 type, the sheath wire adopts an RVVB-2 multiplied by 2.5 type, and the length is 10M.
Preferably, the first air-opening, the third air-opening, the second air-opening, the fourth air-opening and the fifth air-opening are respectively adopting Zhengtai C-type 2P-16A, the first double-opening double-closing contactor, the second double-opening double-closing contactor and the third double-opening double-closing contactor are both of the type of Zhengtai CJX 2-1208.
Compared with the prior art, the invention has the following beneficial effects:
the invention is used for connecting a double-power standby power supply operation control system of a public building distribution room after a new installation distribution room is finished, inputting a first idle switch, a second idle switch, a third idle switch and a fourth idle switch, inputting a fifth idle switch into power transmission, controlling the standby power supply to transmit power, realizing electric switching-on of a high-low voltage switch, smoothly transmitting power to a first transformer, a second transformer and a low-voltage cabinet group, wherein the first high-voltage load cabinet, the second high-voltage load cabinet and the low-voltage cabinet group are electrified, the operation control system of high-voltage and low-voltage equipment can realize electric (remote control) switching-on operation, and automatically disconnecting the standby power supply to be electrified standby state when the first high-voltage load cabinet is switched on and transmitted; when the second high-voltage load cabinet is electrically switched on, a state of mutually standby power supplies is entered, a mode of supplying power to the low-voltage circuit breaker and protection is adopted, the problems of safety, reliability and stability of the existing power distribution room operation power supply are effectively solved, the electric switching on and off of the circuit breaker is comprehensively realized, the reliable actions of the quick current breaking protection, the grounding protection and the zero sequence protection of the low-voltage cabinet group are realized, and the equipment burnout accident is avoided;
meanwhile, even though the high-low voltage switch is electrically opened, the original operation power supply of the system is disconnected, the power supply of the operation system is still kept in an on state due to the switching of the newly designed power supply system, so that the switching-on is not needed to be manually operated, the switching-on time can still be electrically switched on, and the physical strength of operators is saved;
after equipment is newly installed in the double-transformer distribution room, the secondary system is subjected to a charging test at first, so that the secondary system is convenient to overhaul and maintain, the primary equipment is integrated, debugged and tested, the electric switching on and off of a switch are realized, the stability of a microcomputer protection power supply is ensured, the operation safety of the equipment is effectively ensured, and reliable guarantee is provided for realizing automation of the distribution room.
Drawings
FIG. 1 is a diagram of a dual power and backup power operation control system for a power distribution room according to the present invention;
FIG. 2 is a graph showing the distribution of secondary loops of a dual, backup power operation control system and a primary device of a power distribution room according to the present invention.
In the figure: no. 1 dry transformer box, no. 2 dry transformer box, no. 3 air-break, no. 4 air-break, no. 5 double-break double-close contactor, no. 6 air-break, no. 7 air-break, no. 8 double-break double-close contactor the device comprises a third double-opening double-closing contactor, a fifth air-opening contactor, a control cable 11, a first high-voltage load cabinet 12, a first transformer 13, a low-voltage cabinet group 14, a second transformer 15 and a second high-voltage load cabinet 16.
Detailed Description
1-2, a dual-power-supply standby power supply operation control system for a public residential distribution room comprises a first dry transformer box 1 and a second dry transformer box 2, wherein the first dry transformer box 1 is internally provided with a first air switch 3, a third air switch 4 and a first dual-opening dual-closing contactor 5, the second dry transformer box 2 is internally provided with a second air switch 6, a fourth air switch 7, a second dual-opening dual-closing contactor 8 and a third dual-opening dual-closing contactor 9, the outside of the second dry transformer box 2 is provided with a fifth air switch 10, the first air switch 3, the third air switch 4, the second air switch 6, the fourth air switch 7 and the fifth air switch 10 are respectively in a positive C type 2P-16A, the first dual-opening dual-closing contactor 8 and the third dual-opening dual-closing contactor 9 are respectively in a positive CJX2-1208, a control cable 11 is arranged between the first dry transformer box 1 and the second dry transformer box 2, the number of control cables 11 is in a positive CJX2-1208, and the number of the control cables 11 is in a positive CKVM type 2.5; the output end of the wiring terminal 1 of the first air switch 3 is connected with the input end of the wiring terminal 1 of the first double-switch contactor 5, the output end of the wiring terminal 1 of the first double-switch contactor 5 is connected with the input end of the wiring terminal 1 of the third air switch 4, and the output end of the wiring terminal 1 of the third air switch 4 is connected with the output end of the wiring terminal 3 of the third double-switch contactor 9 through a control cable 11; the output end of the wiring terminal No. 2 of the first air switch 3 is connected with the input end of the wiring terminal No. 2 of the first double-switch contactor 5, the output end of the wiring terminal No. 2 of the first double-switch contactor 5 is connected with the input end of the wiring terminal No. 2 of the third air switch 4, and the output end of the wiring terminal No. 2 of the third air switch 4 is connected with the output end of the wiring terminal No. 4 of the third double-switch contactor 9 through a control cable 11; the output end of the wiring terminal 3 of the first double-opening double-closing contactor 5 is connected with the output end of the wiring terminal 1 of the first double-opening double-closing contactor 5 in parallel, the output end of the wiring terminal 4 of the first double-opening double-closing contactor 5 is connected with the output end of the wiring terminal 2 of the first double-opening double-closing contactor 5 in parallel, the input end of the wiring terminal 3 of the first double-opening double-closing contactor 5 is connected with the input end of the wiring terminal 1 of the fourth hollow-opening 7 through a control cable 11, the output end of the wiring terminal 1 of the fourth hollow-opening 7 is connected with the input end of the wiring terminal 1 of the second double-opening double-closing contactor 8, and the output end of the wiring terminal 1 of the second double-opening double-closing contactor 8 is connected with the input end of the wiring terminal 1 of the third double-opening double-closing contactor 9; the input end of a wiring terminal 4 of the first double-opening double-closing contactor 5 is connected with the input end of a wiring terminal 2 of a fourth hollow opening 7 through a control cable 11, the output end of the wiring terminal 2 of the fourth hollow opening 7 is connected with the input end of the wiring terminal 2 of a second double-opening double-closing contactor 8, and the output end of the wiring terminal 2 of the second double-opening double-closing contactor 8 is connected with the input end of the wiring terminal 2 of a third double-opening double-closing contactor 9; the input end of the No. 1 binding post of the No. two empty switches 6 is connected with the No. 5 binding post of the No. three double-switch contactor 9, and the input end of the No. 2 binding post of the No. two empty switches 6 is connected with the No. 6 binding post of the No. three double-switch contactor 9; the input end of the wiring terminal 1 of the fifth air switch 10 is connected with the output end of the wiring terminal 3 of the second double-opening double-closing contactor 8, the input end of the wiring terminal 3 of the second double-opening double-closing contactor 8 is connected with the input terminal 1 of the second double-opening double-closing contactor 8 in parallel, the input end of the wiring terminal 2 of the fifth air switch 10 is connected with the output end of the wiring terminal 4 of the second double-opening double-closing contactor 8, and the input end of the wiring terminal 4 of the second double-opening double-closing contactor 8 is connected with the input terminal 2 of the second double-opening double-closing contactor 8 in parallel; the side end of the first dry transformer box 1 is provided with a first high-voltage load cabinet 12, a first transformer 13 and a low-voltage cabinet group 14, the side end of the second dry transformer box 2 is provided with a second transformer 15 and a second high-voltage load cabinet 16, the input end of the first connecting terminal of the first empty switch 3 is connected with the first connecting terminal of the first transformer 13, the input end of the second connecting terminal of the first empty switch 3 is connected with the second connecting terminal of the first transformer 13, the first connecting terminal of the first high-voltage load cabinet 12 and the first connecting terminal of the low-voltage cabinet group 14 are connected with the first input terminal of the first double-opening double-closing contactor 5, the second connecting terminal of the first high-voltage load cabinet 12 and the second connecting terminal of the low-voltage cabinet group 14 are connected with the second input terminal of the first double-opening double-closing contactor 5, the third connecting terminal of the first high-voltage load cabinet 12 is connected with the fourth connecting terminal of the first transformer 13, and the third connecting terminal of the first transformer 13 is connected with the second connecting terminal of the low-voltage cabinet group 14; the wiring terminal 1 of the second high-voltage load cabinet 16 and the wiring terminal 3 of the low-voltage cabinet group 14 are both connected with the wiring terminal 3 of the third double-opening double-closing contactor 9, the wiring terminal 2 of the second high-voltage load cabinet 16 and the wiring terminal 4 of the low-voltage cabinet group 14 are both connected with the wiring terminal 4 of the third double-opening double-closing contactor 9, the wiring terminal 1 of the second open 6 is connected with the wiring terminal 1 of the second transformer 15, the wiring terminal 2 of the second open 6 is connected with the wiring terminal 2 of the second transformer 15, the wiring terminal 3 of the second transformer 15 is connected with the wiring terminal 6 of the low-voltage cabinet group 14, and the wiring terminal 154 is connected with the wiring terminal 3 of the second high-voltage load cabinet 16; the double-power-source standby power supply operation control system for the public building and residence distribution room is connected with the double-power-source standby power supply operation control system for the distribution room after the new installation of the distribution room is finished, a first air switch 3, a second air switch 6, a third air switch 4 and a fourth air switch 7 are put into operation, a fifth air switch 10 is put into power transmission, the fifth air switch 10 controls standby power supply to transmit power, electric switching on of a high-low voltage switch is realized, a first transformer 13, a second transformer 15 and a low-voltage cabinet group 14 smoothly transmit power, at the moment, the first high-voltage load cabinet 12, the second high-voltage load cabinet 16 and the low-voltage cabinet group 14 are electrified, the high-voltage and low-voltage equipment operation control system can realize electric (remote control) switching on operation, when the first high-voltage load cabinet 12 is switched on and powered on, the first transformer 13 is put into operation, the first double-switch contactor 5 acts, the power transmission is used for the 1# and 2# high-low voltage operation system, and the first double-switch contactor 5 contacts are disconnected, at the moment, and the standby power supply is automatically disconnected into an electrified standby state; when the second high-voltage load cabinet 16 is electrically switched on, the second transformer 15 is electrified, the second transformer 15 is in contact action, at the moment, the second high-voltage load cabinet 16 and the low-voltage operating system are switched to the No. 2 power supply system, normally closed contacts are disconnected, separation between the No. 1#2 power supply systems is realized, a mutual standby power supply state is entered, the problem that an operating power supply is unstable due to a fault of the low-voltage system is solved, the circuit breaker of the low-voltage cabinet is ensured to protect reliable actions, a mode of supplying power to the low-voltage circuit breaker is adopted, the reliable actions of protection are realized, the problems of safety, reliability and stability of the operating power supply of the conventional distribution room are effectively solved, the electric switching-on and switching-off of the circuit breaker are comprehensively realized, the reliable actions of the current quick-break protection and the ground protection of the low-voltage cabinet group are realized, and the occurrence of a zero sequence protection accident is avoided.
To sum up the method comprises the following steps: the double-power standby power supply operation control system for the public building residential distribution room is connected after a new installation distribution room is finished, a first idle switch 3, a second idle switch 6, a third idle switch 4 and a fourth idle switch 7 are put into operation, a fifth idle switch 10 is put into power transmission, the fifth idle switch 10 controls standby power supply to transmit power, electric switching-on of a high-low voltage switch is realized, a first transformer 13, a second transformer 15 and a low-voltage cabinet group 14 smoothly transmit power, at the moment, a first high-voltage load cabinet 12, a second high-voltage load cabinet 16 and the low-voltage cabinet group 14 are electrified, electric (remote control) switching-on operation can be realized by the operation control system of the high-voltage and low-voltage equipment, and when the first high-voltage load cabinet 12 is switched on and transmitted, the standby power supply source is automatically disconnected into an electrified standby state; when the second high-voltage load cabinet 16 is electrically switched on, a state of mutually standby power supply is entered, a mode of supplying power to the low-voltage circuit breaker and protection is adopted, the problems of safety, reliability and stability of the existing power distribution room operation power supply are effectively solved, the electric switching on and off of the circuit breaker is comprehensively realized, the reliable actions of the quick current breaking protection, the grounding protection and the zero sequence protection of the low-voltage cabinet group are realized, and the equipment burning accident is avoided; the whole safety, the reliability and the stability are high, the burning accident of the equipment can be avoided.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a be used for public building house electricity distribution room dual supply spare power supply operation control system, does box (1) and No. two trunk transformer (2) including one, its characterized in that: the first dry transformer box (1) is internally provided with a first empty switch (3), a third empty switch (4) and a first double-opening double-closing contactor (5), the second dry transformer box (2) is internally provided with a second empty switch (6), a fourth empty switch (7), a second double-opening double-closing contactor (8) and a third double-opening double-closing contactor (9), the outside of the second dry transformer box (2) is provided with a fifth empty switch (10), a control cable (11) is arranged between the first dry transformer box (1) and the second dry transformer box (2), the output end of the 1 wiring terminal of the first empty switch (3) is connected with the input end of the 1 wiring terminal of the first double-opening double-closing contactor (5), the output end of the 1 wiring terminal of the first double-opening double-closing contactor (5) is connected with the input end of the 1 wiring terminal of the third empty switch (4), and the output end of the 1 wiring terminal of the third empty switch (4) is connected with the input end of the 3 wiring terminal of the third double-opening double-contactor (9) through a control cable (11); the output end of the wiring terminal No. 2 of the first idle switch (3) is connected with the input end of the wiring terminal No. 2 of the first double-switch contactor (5), the output end of the wiring terminal No. 2 of the first double-switch contactor (5) is connected with the input end of the wiring terminal No. 2 of the third idle switch (4), and the output end of the wiring terminal No. 2 of the third idle switch (4) is connected with the input end of the wiring terminal No. 4 of the third double-switch contactor (9) through a control cable (11); the wiring terminal output end of the wiring terminal 3 of the first double-opening double-closing contactor (5) is connected with the wiring terminal output end of the wiring terminal 1 of the first double-opening double-closing contactor (5), the wiring terminal output end of the wiring terminal 4 of the first double-opening double-closing contactor (5) is connected with the wiring terminal output end of the wiring terminal 2 of the first double-opening double-closing contactor (5), the wiring terminal input end of the wiring terminal 3 of the first double-opening double-closing contactor (5) is connected with the wiring terminal input end 1 of the fourth air-opening contactor (7) through a control cable (11), the wiring terminal output end 1 of the fourth air-opening contactor (7) is connected with the wiring terminal input end 1 of the second double-opening double-closing contactor (8), and the wiring terminal output end 1 of the second double-opening double-closing contactor (8) is connected with the wiring terminal input end 1 of the third double-opening double-closing contactor (9); the input end of a wiring terminal No. 4 of the double-opening double-closing contactor No. 5 is connected with the input end of a wiring terminal No. 2 of a double-opening double-closing contactor No. 7 through a control cable (11), the output end of the wiring terminal No. 2 of the double-opening double-closing contactor No. 7 is connected with the input end of a wiring terminal No. 2 of the double-opening double-closing contactor No. 8, and the output end of the wiring terminal No. 2 of the double-opening double-closing contactor No. 8 is connected with the input end of a wiring terminal No. 2 of the double-opening double-closing contactor No. 9; the input end of the No. 1 binding post of the No. two empty switches (6) is connected with the No. 5 binding post of the No. three double-switch contactor (9), and the input end of the No. 2 binding post of the No. two empty switches (6) is connected with the No. 6 binding post of the No. three double-switch contactor (9); the input end of the wiring terminal 1 of the fifth air switch (10) is connected with the output end of the wiring terminal 3 of the second double-opening double-closing contactor (8), the input end of the wiring terminal 3 of the second double-opening double-closing contactor (8) is connected with the input terminal 1 of the second double-opening double-closing contactor (8), the input end of the wiring terminal 2 of the fifth air switch (10) is connected with the output end of the wiring terminal 4 of the second double-opening double-closing contactor (8), and the input end of the wiring terminal 4 of the second double-opening double-closing contactor (8) is connected with the input terminal 2 of the second double-opening double-closing contactor (8);
the wiring terminal 5 of the first double-opening double-closing contactor (5) is connected with the input end of the wiring terminal 2 of the first double-opening double-closing contactor (5), and the wiring terminal 6 of the first double-opening double-closing contactor (5) is connected with the input end of the wiring terminal 1 of the first double-opening double-closing contactor (5);
the wiring terminal No. 5 of the double-opening double-closing contactor No. 8 is connected with the wiring terminal No. 2 of the double-opening double-closing contactor No. 8, and the wiring terminal No. 6 of the double-opening double-closing contactor No. 8 is connected with the wiring terminal No. 1 of the double-opening double-closing contactor No. 8;
the output end of the wiring terminal No. 1 of the double-opening double-closing contactor No. three (9) is connected in parallel with the output end of the wiring terminal No. 3 of the double-opening double-closing contactor No. 3; the output end of the wiring terminal No. 2 of the double-opening double-closing contactor No. three (9) is connected in parallel with the output end of the wiring terminal No. 4 of the double-opening double-closing contactor No. three (9);
the wiring terminals 1 and 2 are normally open wiring terminals, the wiring terminals 3 and 4 are normally closed wiring terminals, and the wiring terminals 5 and 6 are control wiring terminals;
the side end of the first dry transformer box (1) is provided with a first high-voltage load cabinet (12), a first transformer (13) and a low-voltage cabinet group (14), the side end of the second dry transformer box (2) is provided with a second transformer (15) and a second high-voltage load cabinet (16), the input end of the first connecting terminal of the first empty switch (3) is connected with the first connecting terminal of the first transformer (13), the input end of the second connecting terminal of the first empty switch (3) is connected with the second connecting terminal of the first transformer (13), the first connecting terminal of the first high-voltage load cabinet (12) and the first connecting terminal of the low-voltage cabinet group (14) are connected with the first input terminal of the first double-opening double-closing contactor (5), the second connecting terminal of the first high-voltage load cabinet (12) and the second connecting terminal of the low-voltage cabinet group (14) are connected with the second input terminal of the first double-opening double-closing contactor (5), the first connecting terminal of the first high-voltage load cabinet (12) is connected with the second connecting terminal of the first double-opening double-closing contactor (5), and the first connecting terminal of the first high-voltage cabinet (12) is connected with the first connecting terminal of the first transformer (13) and the second connecting terminal of the first high-voltage cabinet (12) is connected with the first connecting terminal of the first double-opening double-closing contactor (5); the wiring terminal 1 of No. two high-voltage load cabinets (16) and the wiring terminal 3 of low-voltage cabinet group (14) all connect the wiring terminal output of No. 3 double-opening double-closing contactor (9), the wiring terminal 2 of No. two high-voltage load cabinets (16) and the wiring terminal 4 of low-voltage cabinet group (14) all connect the wiring terminal output of No. 4 double-opening double-closing contactor (9), the wiring terminal output of No. 1 empty switch (6) is connected with the wiring terminal 1 of No. two transformers (15), the wiring terminal output of No. 2 empty switch (6) is connected with the wiring terminal 2 of No. 2 transformers (15), the wiring terminal 3 of No. 2 transformers (15) is connected with the wiring terminal 6 of No. 6 of low-voltage cabinet group (14), and the wiring terminal 4 of No. two transformers (15) is connected with the wiring terminal 3 of No. 2 high-voltage load cabinets (16).
2. A dual source backup power operation control system for a public residential electrical distribution room as claimed in claim 1, wherein: the first air switch (3), the third air switch (4), the second air switch (6), the fourth air switch (7) and the fifth air switch (10) are respectively of the type C2P-16A, the first double-switch contactor (5), the second double-switch contactor (8) and the third double-switch contactor (9) are respectively of the type C CJX 2-1208.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810297700.XA CN108281966B (en) | 2018-03-30 | 2018-03-30 | Dual-power standby power supply operation control system for public building residential distribution room |
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| CN201810297700.XA CN108281966B (en) | 2018-03-30 | 2018-03-30 | Dual-power standby power supply operation control system for public building residential distribution room |
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| CN108281966A CN108281966A (en) | 2018-07-13 |
| CN108281966B true CN108281966B (en) | 2023-12-29 |
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| CN205986317U (en) * | 2016-08-31 | 2017-02-22 | 大连瑞福电器设备有限公司 | Runback automatic switching control circuit is hauled oneself willingly into to dual supply |
| CN107069933A (en) * | 2017-03-23 | 2017-08-18 | 山东钢铁股份有限公司 | A kind of three-way power electric supply installation |
| CN208127882U (en) * | 2018-03-30 | 2018-11-20 | 国家电网公司 | One kind being used for Public residence switchgear house dual power supply available power operation control system |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010104152A (en) * | 2008-10-23 | 2010-05-06 | Chugoku Electric Power Co Inc:The | System in which power supply devices of a plurality of apparatuses are connected to each other |
| CN204216659U (en) * | 2014-10-23 | 2015-03-18 | 中国神华能源股份有限公司 | For the control circuit of double power-supply system |
| CN105515175A (en) * | 2016-02-17 | 2016-04-20 | 山西元壹本安电源科技有限公司 | Dual-power-supply electric interlocking alternating-current stabilized-voltage power box having anti-interference function |
| CN205986317U (en) * | 2016-08-31 | 2017-02-22 | 大连瑞福电器设备有限公司 | Runback automatic switching control circuit is hauled oneself willingly into to dual supply |
| CN107069933A (en) * | 2017-03-23 | 2017-08-18 | 山东钢铁股份有限公司 | A kind of three-way power electric supply installation |
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| CN108281966A (en) | 2018-07-13 |
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