CN105449841A - A power grid system preventing inverse power transmission of a house generator - Google Patents
A power grid system preventing inverse power transmission of a house generator Download PDFInfo
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- CN105449841A CN105449841A CN201610038517.9A CN201610038517A CN105449841A CN 105449841 A CN105449841 A CN 105449841A CN 201610038517 A CN201610038517 A CN 201610038517A CN 105449841 A CN105449841 A CN 105449841A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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Abstract
The invention discloses a power grid system preventing inverse power transmission of a house generator. The system comprises a detection device which is connected to a low voltage line of a voltage transformer, detects a first phase voltage, a second phase voltage, a third phase voltage, a first phase induced-current, a second phase induced-current and a third phase induced-current of the low voltage line and respectively reduces the first phase voltage, the second phase voltage, the third phase voltage, the first phase induced-current, the second phase induced-current and the third phase induced-current for a preset proportion. The system further comprises a control device which is connected to an actuating coil of a low-voltage master switch and the detection device and calculates an active loss value of the voltage transformer according to a preset calculating rule and the first phase voltage, the second phase voltage, the third phase voltage, the first phase induced-current, the second phase induced-current and the third phase induced-current. If the active loss value is negative, the actuating coil is triggered to drive switch-off of the low-voltage master switch. According to the technical scheme provided by the invention, cases that inverse power transmission towards the power grid occurs after a user turns on a house generator are prevented.
Description
Technical field
The present invention relates to technical field of electric power, particularly relate to the anti-house generator of a kind of electrical network and fall power transmission system.
Background technology
Along with developing rapidly of power grid construction, user have a power failure probability greatly reduce, but power system device maintenance and some fortuitous events under, or can the short time user is had a power failure.Now, some users, in order to avoid the interruption of producing, often open the electrical power generators provided for oneself, and are directly connected to supply network (i.e. electrical network).When not disconnecting the low pressure master switch in the low-voltage circuit of transformer user, the voltage that generator sends will be elevated to high voltage (such as, 10kV voltage) by transformer and deliver to electrical network afterwards.If now there are electric power overhaul personnel overhauling circuit, the personnel that will cause get an electric shock casualty accident.
And in existing technology, also not used for preventing the house generator of user from falling the technology of power transmission, cause above-mentioned electric shock accidents odds larger, potential safety hazard is brought to electric power system and maintainer, therefore, need a kind of house generator of user that can prevent badly and fall the technology of power transmission, thus avoid the generation of above-mentioned electric shock accidents.
Summary of the invention
In view of this, the invention provides the anti-house generator of a kind of electrical network and fall power transmission system, after effectively can preventing grid cut-off, user opens house generator and falls the situation of power transmission to electrical network, thus can effectively avoid falling because of user's house generator the potential safety hazard that power transmission brings to electric power system and maintainer.
For achieving the above object, the invention provides following technical scheme:
The anti-house generator of a kind of electrical network falls power transmission system, comprising:
Be connected with the low-voltage circuit of transformer, detect the first-phase voltage of described low-voltage circuit, second-phase voltage, third phase voltage, first-phase induced current, second-phase induced current and third phase induced current, described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current are reduced respectively the checkout gear of preset ratio; Described first-phase voltage is the voltage between the first phase line and the neutral line, described second-phase voltage is the voltage between the second phase line and the described neutral line, described third phase voltage is the voltage between third phase line and the described neutral line, described first-phase induced current is that the described first-phase line current of induction changes the induced current produced, described second-phase induced current is that the described second-phase line current of induction changes the induced current produced, and described third phase induced current is that the described third phase line current of induction changes the induced current produced;
And be connected with described checkout gear with the actuation coil of low pressure master switch, according to presetting computation rule and described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current, calculate the active loss value of described transformer, if the active loss value of described transformer is negative value, trigger the control device that described actuation coil drives described low pressure master switch to disconnect.
Preferably, described checkout gear comprises:
Be connected with the described neutral line with described first phase line, detect described first-phase voltage, described first-phase voltage is reduced the first voltage transformer of described preset ratio;
Be connected with the described neutral line with described second phase line, detect described second-phase voltage, described second-phase voltage is reduced the second voltage transformer of described preset ratio;
Be connected with the described neutral line with described third phase line, detect described third phase voltage, described third phase voltage is reduced the tertiary voltage instrument transformer of described preset ratio;
Winding is arranged in described first phase line, detects described first-phase induced current, described first-phase induced current is reduced the first current transformer of described preset ratio;
Winding is arranged in described second phase line, detects described second-phase induced current, described second-phase induced current is reduced the second current transformer of described preset ratio;
Winding is arranged on described third phase line, detects described third phase induced current, described third phase induced current is reduced the 3rd current transformer of described preset ratio.
Preferably, described first voltage transformer, described second voltage transformer, described tertiary voltage instrument transformer, described first current transformer, described second current transformer are connected with described control device respectively with described 3rd current transformer.
Preferably, described control device comprises:
Be connected with described 3rd current transformer with described first voltage transformer, described second voltage transformer, described tertiary voltage instrument transformer, described first current transformer, described second current transformer, described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current be converted to the analog to digital converter of digital signal by analog signal;
And be connected with described analog to digital converter, according to described default computation rule and the described first-phase voltage of digital signal, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current, calculate the active loss value of described transformer, if the active loss value of described transformer is negative value, trigger the controller that described actuation coil drives described low pressure master switch to disconnect.
Preferably, described control device also comprises:
Show the display screen of described low pressure master switch open and-shut mode.
Preferably, described control device also comprises:
When described low pressure master switch disconnects, carry out luminous indicator light.
Preferably, described control device also comprises:
Detect the button of the controling parameters of user's input, described controling parameters is for adjusting described default computation rule.
Preferably, described control device also comprises:
Detect the controling parameters of user's input, and show the touch screen of described low pressure master switch open and-shut mode, described controling parameters is for adjusting described default computation rule.
Preferably, described control device also comprises:
When described low pressure master switch disconnects, send the loud speaker of prompt tone.
Preferably, described control device also comprises:
When described low pressure master switch disconnects, receive the low pressure master switch disconnection information that described controller sends, described low pressure master switch is disconnected the wireless communication module that information is sent to setting server and/or mobile terminal.
Known via above-mentioned technical scheme, compared with prior art, the invention provides the anti-house generator of a kind of electrical network and fall power transmission system.The anti-house generator of electrical network provided by the invention falls power transmission system, comprise: be connected with the low-voltage circuit of transformer, detect the first-phase voltage of described low-voltage circuit, second-phase voltage, third phase voltage, first-phase induced current, second-phase induced current and third phase induced current, described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current are reduced respectively the checkout gear of preset ratio; Concrete, described first-phase voltage is the voltage between the first phase line and the neutral line, described second-phase voltage is the voltage between the second phase line and the described neutral line, described third phase voltage is the voltage between third phase line and the described neutral line, described first-phase induced current is that the described first-phase line current of induction changes the induced current produced, described second-phase induced current is that the described second-phase line current of induction changes the induced current produced, and described third phase induced current is that the described third phase line current of induction changes the induced current produced; And be connected with described checkout gear with the actuation coil of low pressure master switch, according to presetting computation rule and described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current, calculate the active loss value of described transformer, if the active loss value of described transformer is negative value, trigger the control device that described actuation coil drives described low pressure master switch to disconnect.Concrete, if the described active loss value that calculates of described control device on the occasion of, then illustrate that now electrical network does not have a power failure and by described transformer to low-voltage circuit normal power supply; If the described active loss value that described control device calculates is negative value, then illustrate that now electrical network has a power failure, and the generator provided for oneself of user falls power transmission by described transformer to electrical network, now, the anti-house generator of electrical network provided by the invention falls power transmission system, the actuation coil of the automatic trigger low-voltage master switch of described control device, makes described actuation coil drive described low pressure master switch to disconnect, thus the generator electricity that can realize preventing user from providing for oneself falls power transmission to electrical network.Therefore, technical scheme provided by the invention, after effectively can preventing grid cut-off, user opens house generator and falls the situation of power transmission to electrical network, thus can effectively avoid falling because of user's house generator the potential safety hazard that power transmission brings to electric power system and maintainer.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 falls the structure chart of power transmission system for the anti-house generator of a kind of electrical network that the embodiment of the present invention provides;
Fig. 2 falls the structure chart of power transmission system for the anti-house generator of another electrical network that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in further detail prior art and the present invention below in conjunction with the drawings and specific embodiments.
Embodiment
Refer to Fig. 1, Fig. 1 falls the structure chart of power transmission system for the anti-house generator of a kind of electrical network that the embodiment of the present invention provides, and Fig. 2 falls the structure chart of power transmission system for the anti-house generator of another electrical network that the embodiment of the present invention provides.As depicted in figs. 1 and 2, the anti-house generator of this electrical network falls power transmission system, comprising:
Be connected with the low-voltage circuit of transformer 1, detect the first-phase voltage of described low-voltage circuit, second-phase voltage, third phase voltage, first-phase induced current, second-phase induced current and third phase induced current, described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current are reduced respectively the checkout gear 2 of preset ratio;
Concrete, described first-phase voltage is the voltage between the first phase line A and neutral line N, and described second-phase voltage is the voltage between the second phase line B and described neutral line N, and described third phase voltage is the voltage between third phase line C and described neutral line N; Described first-phase induced current is the induced current that the described first phase line A curent change of induction produces, described second-phase induced current is the induced current that the described second phase line B curent change of induction produces, and described third phase induced current is the induced current that the described third phase line C curent change of induction produces.
And be connected with described checkout gear 2 with the actuation coil 31 of low pressure master switch 3, according to presetting computation rule and described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current, calculate the active loss value of described transformer 1, if the active loss value of described transformer 1 is negative value, trigger the control device 4 that described actuation coil 31 drives described low pressure master switch 3 to disconnect.
Concrete, if the described active loss value that calculates of described control device 4 on the occasion of, then illustrate that now electrical network does not have a power failure and by described transformer 1 to low-voltage circuit normal power supply; If the described active loss value that described control device calculates is negative value, then illustrate that now electrical network has a power failure, and the generator provided for oneself of user falls power transmission by described transformer 1 to electrical network, now, the anti-house generator of electrical network provided by the invention falls power transmission system, the actuation coil 31 of the automatic trigger low-voltage master switch 3 of described control device, makes described actuation coil 31 drive described low pressure master switch 3 to disconnect, thus the generator electricity that can realize preventing user from providing for oneself falls power transmission to electrical network.
Therefore, the anti-house generator of the electrical network that the embodiment of the present invention provides falls power transmission system, after effectively can preventing grid cut-off, user opens house generator and falls the situation of power transmission to electrical network, thus can effectively avoid falling because of user's house generator the potential safety hazard that power transmission brings to electric power system and maintainer.
Optionally, the anti-house generator of the electrical network that the embodiment of the present invention provides falls power transmission system, and described checkout gear 2 comprises:
Be connected with described neutral line N with described first phase line A, detect described first-phase voltage, described first-phase voltage is reduced the first voltage transformer 21 of described preset ratio;
Be connected with described neutral line N with described second phase line B, detect described second-phase voltage, described second-phase voltage is reduced the second voltage transformer 22 of described preset ratio;
Be connected with described neutral line N with described third phase line C, detect described third phase voltage, described third phase voltage is reduced the tertiary voltage instrument transformer 23 of described preset ratio;
Winding is arranged on described first phase line A, detects described first-phase induced current, described first-phase induced current is reduced the first current transformer 24 of described preset ratio;
Winding is arranged on described second phase line B, detects described second-phase induced current, described second-phase induced current is reduced the second current transformer 25 of described preset ratio;
Winding is arranged on described third phase line C, detects described third phase induced current, described third phase induced current is reduced the 3rd current transformer 26 of described preset ratio.
Concrete, described first voltage transformer 21, described second voltage transformer 22, described tertiary voltage instrument transformer 23, described first current transformer 24, described second current transformer 25 are connected with described control device 4 respectively with described 3rd current transformer 26.
Optionally, the anti-house generator of the electrical network that the embodiment of the present invention provides falls power transmission system, and described control device 4 comprises:
Be connected with described 3rd current transformer 26 with described first voltage transformer 21, described second voltage transformer 22, described tertiary voltage instrument transformer 23, described first current transformer 24, described second current transformer 25, described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current are converted to the analog to digital converter 41 of digital signal by analog signal;
And be connected with described analog to digital converter 41, according to described default computation rule and the described first-phase voltage of digital signal, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current, calculate the active loss value of described transformer 1, if the active loss value of described transformer 1 is negative value, trigger the controller 42 that described actuation coil 31 drives described low pressure master switch 3 to disconnect.
Optionally, the anti-house generator of the electrical network that the embodiment of the present invention provides falls power transmission system, and described control device 4 also comprises:
Show the display screen of described low pressure master switch open and-shut mode.
Optionally, described display screen is LCDs.
Optionally, the anti-house generator of the electrical network that the embodiment of the present invention provides falls power transmission system, and described control device 4 also comprises:
Detect the button of the controling parameters of user's input, described controling parameters is for adjusting described default computation rule.Be understandable that, when user clicks described button, described controller 42 can respond, and then controls the controling parameters of described display screen display user input, adjusts described default computation rule to facilitate user.
Optionally, the anti-house generator of the electrical network that the embodiment of the present invention provides falls power transmission system, and described control device 4 also comprises:
Detect the controling parameters of user's input, and show the touch screen of described low pressure master switch open and-shut mode, described controling parameters is for adjusting described default computation rule.
That is, described control device 4 can arrange the function that touch screen comes alternative described display screen and described button.
Optionally, the anti-house generator of the electrical network that the embodiment of the present invention provides falls power transmission system, and described control device 4 also comprises:
When described low pressure master switch disconnects, carry out luminous indicator light.
Concrete, when described low pressure master switch disconnects, described controller 42 triggers described indicator light and carries out luminescence.
Optionally, described indicator light is light emitting diode lamp.
Optionally, the anti-house generator of the electrical network that the embodiment of the present invention provides falls power transmission system, and described control device 4 also comprises:
When described low pressure master switch disconnects, send the loud speaker of prompt tone.
Concrete, when described low pressure master switch disconnects, described controller 42 triggers described loud speaker and sends prompt tone.
Optionally, the anti-house generator of the electrical network that the embodiment of the present invention provides falls power transmission system, and described control device 4 also comprises:
When described low pressure master switch disconnects, receive the low pressure master switch disconnection information that described controller sends, described low pressure master switch is disconnected the wireless communication module that information is sent to setting server and/or mobile terminal.
Concrete, when described low pressure master switch disconnects, described controller 42 sends described low pressure master switch to described wireless communication module and disconnects information, trigger described wireless communication module and send described low pressure master switch disconnection information to setting server and/or mobile terminal, thus can realize reminding monitoring and/or electric power overhaul personnel low pressure master switch to disconnect, can service work be carried out.
Optionally, described wireless communication module is GPRS (GeneralPacketRadioService, general packet radio service technology) module.
Known via above-mentioned technical scheme, compared with prior art, the invention provides the anti-house generator of a kind of electrical network and fall power transmission system.The anti-house generator of electrical network provided by the invention falls power transmission system, comprise: be connected with the low-voltage circuit of transformer, detect the first-phase voltage of described low-voltage circuit, second-phase voltage, third phase voltage, first-phase induced current, second-phase induced current and third phase induced current, described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current are reduced respectively the checkout gear of preset ratio; Concrete, described first-phase voltage is the voltage between the first phase line and the neutral line, described second-phase voltage is the voltage between the second phase line and the described neutral line, described third phase voltage is the voltage between third phase line and the described neutral line, described first-phase induced current is that the described first-phase line current of induction changes the induced current produced, described second-phase induced current is that the described second-phase line current of induction changes the induced current produced, and described third phase induced current is that the described third phase line current of induction changes the induced current produced; And be connected with described checkout gear with the actuation coil of low pressure master switch, according to presetting computation rule and described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current, calculate the active loss value of described transformer, if the active loss value of described transformer is negative value, trigger the control device that described actuation coil drives described low pressure master switch to disconnect.Concrete, if the described active loss value that calculates of described control device on the occasion of, then illustrate that now electrical network does not have a power failure and by described transformer to low-voltage circuit normal power supply; If the described active loss value that described control device calculates is negative value, then illustrate that now electrical network has a power failure, and the generator provided for oneself of user falls power transmission by described transformer to electrical network, now, the anti-house generator of electrical network provided by the invention falls power transmission system, the actuation coil of the automatic trigger low-voltage master switch of described control device, makes described actuation coil drive described low pressure master switch to disconnect, thus the generator electricity that can realize preventing user from providing for oneself falls power transmission to electrical network.Therefore, technical scheme provided by the invention, after effectively can preventing grid cut-off, user opens house generator and falls the situation of power transmission to electrical network, thus can effectively avoid falling because of user's house generator the potential safety hazard that power transmission brings to electric power system and maintainer.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, by statement " comprise one ... ... " key element that limits, and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the anti-house generator of electrical network falls a power transmission system, it is characterized in that, comprising:
Be connected with the low-voltage circuit of transformer, detect the first-phase voltage of described low-voltage circuit, second-phase voltage, third phase voltage, first-phase induced current, second-phase induced current and third phase induced current, described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current are reduced respectively the checkout gear of preset ratio; Described first-phase voltage is the voltage between the first phase line and the neutral line, described second-phase voltage is the voltage between the second phase line and the described neutral line, described third phase voltage is the voltage between third phase line and the described neutral line, described first-phase induced current is that the described first-phase line current of induction changes the induced current produced, described second-phase induced current is that the described second-phase line current of induction changes the induced current produced, and described third phase induced current is that the described third phase line current of induction changes the induced current produced;
And be connected with described checkout gear with the actuation coil of low pressure master switch, according to presetting computation rule and described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current, calculate the active loss value of described transformer, if the active loss value of described transformer is negative value, trigger the control device that described actuation coil drives described low pressure master switch to disconnect.
2. the anti-house generator of electrical network according to claim 1 falls power transmission system, and it is characterized in that, described checkout gear comprises:
Be connected with the described neutral line with described first phase line, detect described first-phase voltage, described first-phase voltage is reduced the first voltage transformer of described preset ratio;
Be connected with the described neutral line with described second phase line, detect described second-phase voltage, described second-phase voltage is reduced the second voltage transformer of described preset ratio;
Be connected with the described neutral line with described third phase line, detect described third phase voltage, described third phase voltage is reduced the tertiary voltage instrument transformer of described preset ratio;
Winding is arranged in described first phase line, detects described first-phase induced current, described first-phase induced current is reduced the first current transformer of described preset ratio;
Winding is arranged in described second phase line, detects described second-phase induced current, described second-phase induced current is reduced the second current transformer of described preset ratio;
Winding is arranged on described third phase line, detects described third phase induced current, described third phase induced current is reduced the 3rd current transformer of described preset ratio.
3. the anti-house generator of electrical network according to claim 2 falls power transmission system, it is characterized in that, described first voltage transformer, described second voltage transformer, described tertiary voltage instrument transformer, described first current transformer, described second current transformer are connected with described control device respectively with described 3rd current transformer.
4. the anti-house generator of electrical network according to claim 1 falls power transmission system, and it is characterized in that, described control device comprises:
Be connected with described 3rd current transformer with described first voltage transformer, described second voltage transformer, described tertiary voltage instrument transformer, described first current transformer, described second current transformer, described first-phase voltage, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current be converted to the analog to digital converter of digital signal by analog signal;
And be connected with described analog to digital converter, according to described default computation rule and the described first-phase voltage of digital signal, described second-phase voltage, described third phase voltage, described first-phase induced current, described second-phase induced current and described third phase induced current, calculate the active loss value of described transformer, if the active loss value of described transformer is negative value, trigger the controller that described actuation coil drives described low pressure master switch to disconnect.
5. the anti-house generator of electrical network according to claim 4 falls power transmission system, and it is characterized in that, described control device also comprises:
Show the display screen of described low pressure master switch open and-shut mode.
6. the anti-house generator of electrical network according to claim 4 falls power transmission system, and it is characterized in that, described control device also comprises:
When described low pressure master switch disconnects, carry out luminous indicator light.
7. the anti-house generator of electrical network according to claim 5 falls power transmission system, and it is characterized in that, described control device also comprises:
Detect the button of the controling parameters of user's input, described controling parameters is for adjusting described default computation rule.
8. the anti-house generator of electrical network according to claim 4 falls power transmission system, and it is characterized in that, described control device also comprises:
Detect the controling parameters of user's input, and show the touch screen of described low pressure master switch open and-shut mode, described controling parameters is for adjusting described default computation rule.
9. the anti-house generator of electrical network according to claim 4 falls power transmission system, and it is characterized in that, described control device also comprises:
When described low pressure master switch disconnects, send the loud speaker of prompt tone.
10. the anti-house generator of electrical network according to claim 4 falls power transmission system, and it is characterized in that, described control device also comprises:
When described low pressure master switch disconnects, receive the low pressure master switch disconnection information that described controller sends, described low pressure master switch is disconnected the wireless communication module that information is sent to setting server and/or mobile terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610038517.9A CN105449841A (en) | 2016-01-20 | 2016-01-20 | A power grid system preventing inverse power transmission of a house generator |
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| CN201610038517.9A CN105449841A (en) | 2016-01-20 | 2016-01-20 | A power grid system preventing inverse power transmission of a house generator |
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Cited By (3)
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| CN110649700A (en) * | 2019-10-15 | 2020-01-03 | 深圳市高斯宝电气技术有限公司 | Method for preventing user circuit from reversely transmitting power to power grid |
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| CN205622308U (en) * | 2016-01-20 | 2016-10-05 | 国网浙江余姚市供电公司 | House generator system of falling power transmission is prevented to electric wire netting |
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| CN110649700A (en) * | 2019-10-15 | 2020-01-03 | 深圳市高斯宝电气技术有限公司 | Method for preventing user circuit from reversely transmitting power to power grid |
| CN110649700B (en) * | 2019-10-15 | 2024-05-17 | 深圳市高斯宝电气技术有限公司 | Method for preventing user circuit from reversely transmitting power to power grid |
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Application publication date: 20160330 |