CN102967757A - High-voltage electricity metering method, device and system - Google Patents
High-voltage electricity metering method, device and system Download PDFInfo
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- CN102967757A CN102967757A CN2012104872607A CN201210487260A CN102967757A CN 102967757 A CN102967757 A CN 102967757A CN 2012104872607 A CN2012104872607 A CN 2012104872607A CN 201210487260 A CN201210487260 A CN 201210487260A CN 102967757 A CN102967757 A CN 102967757A
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Abstract
The invention provides a high-voltage electricity metering method, a device and a system. The method comprises the steps of acquiring voltage signals and current signals of the high-voltage end of a distribution transformer; carrying out metering treatment on the voltage signals and current signals acquired at the high-voltage end of the distribution transformer so as to generate voltage data and current data; and storing the voltage data and the current data in the high-voltage end of the distribution transformer, packing the voltage data and the current data, and then outputting the voltage data and the current data through wireless launch. According to the invention, the problem of 10kV high-voltage end metering is solved.
Description
Technical field
The present invention relates to the high-tension electricity field of measuring techniques, particularly utilize cordless communication network to carry out the high-tension electricity measurement technology of data transmission, is a kind of high-tension electricity metering method, Apparatus and system specifically.
Background technology
In the prior art, 10kV high pressure large user's metering comprises " massive quantity power supply and measurement " and metered scheme such as " high for low meter ".Wherein, so-called " massive quantity power supply and measurement " refers to: the high-voltage meter that adopts high-tension current inductor, high voltage potential transformer and multifunctional electric energy meter to form is implemented the scheme of 10kV high pressure measurement; " height is for low meter " refers to: the low-pressure side at substation transformer adopts the measuring apparatus of current transformer and three-phase four-wire system multifunctional electric energy meter composition to implement the scheme of 10kV high pressure measurement.
Yet two kinds of metered scheme of above-mentioned " massive quantity power supply and measurement " and " high for low meter " all are in low-pressure side as the multifunctional electric energy meter of showing meter.Secondary circuit and table meter itself between mutual inductor and the table meter are weak electrical loop, and bad user implements electricity filching behavior easily.
Summary of the invention
The embodiment of the invention provides a kind of high-tension electricity metering method, Apparatus and system, to solve the problem of 10kV high-pressure side metering.
One of purpose of the present invention is, a kind of high-tension electricity metering method is provided, and the method comprises: the voltage signal and the current signal that gather the substation transformer high-pressure side; At the substation transformer high-pressure side voltage signal and the current signal that gathers measured processing formation voltage data and current data; In substation transformer high-pressure side storage voltage data and current data and wireless transmit output after with voltage data and current data packing.
One of purpose of the present invention is, a kind of high-tension electricity measuring apparatus is provided, and this device comprises: the voltage sample unit is used for gathering the voltage signal of substation transformer high-pressure side; Current sampling unit is for the current signal that gathers the substation transformer high-pressure side; The electric energy metrical unit is used at the substation transformer high-pressure side voltage signal and the current signal that gathers being measured processing formation voltage data and current data; The electric energy processing unit is used in substation transformer high-pressure side storage voltage data and current data and wireless transmit output after with voltage data and current data packing.
One of purpose of the present invention is, a kind of high-tension electricity measuring apparatus is provided, and this device comprises: voltage transformer (VT) is used for gathering the voltage signal of substation transformer high-pressure side; Current transformer is for the current signal that gathers the substation transformer high-pressure side; The single-phase electric energy gauging table is arranged on the substation transformer high-pressure side and is connected with the voltage transformer (VT) summation current transformer respectively by optical fiber, is used for the voltage signal that gathers and current signal measured processing formation voltage data and current data; The electric energy processing unit is arranged on the substation transformer high-pressure side and is connected with the single-phase electric energy gauging table by optical fiber, is used for storage voltage data and current data and with wireless transmit output after voltage data and the current data packing.
One of purpose of the present invention is, a kind of high-tension electricity metering system is provided, and this system comprises: high-tension electricity measuring apparatus and far-end high-tension electricity metering server; The high-tension electricity measuring apparatus comprises: voltage transformer (VT), for the voltage signal that gathers the substation transformer high-pressure side; Current transformer is for the current signal that gathers the substation transformer high-pressure side; The single-phase electric energy gauging table is arranged on the substation transformer high-pressure side and is connected with the voltage transformer (VT) summation current transformer respectively by optical fiber, is used for the voltage signal that gathers and current signal measured processing formation voltage data and current data; The electric energy processing unit, be arranged on the substation transformer high-pressure side and be connected with the single-phase electric energy gauging table by optical fiber, be used for storage voltage data and current data and will voltage data and the current data packing after send far-end high-tension electricity metering server to by wireless Operation Network.
Beneficial effect of the present invention is: adopted without the direct measurement technology of the high voltage electric energy of secondary side meter and secondary circuit, high-voltage electric energy measurement part and data acquisition telecommunication part all are in the high-pressure side current potential, the electric quantity data that measures is stored in the high-pressure side, can stop bad user's electricity filching behavior.Because the present invention partly has been placed on the high-pressure side current potential to the data acquisition telecommunication, can send in real time the abnormal information such as decompression defluidization to equipment management personnel, but the unusual electricity consumption of monitor closely.Solve the stealing problem of large user's metering in the electric system, improved the electric system operation benefits.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the process flow diagram of the high-tension electricity metering method of the embodiment of the invention;
Fig. 2 is the structured flowchart of the high-tension electricity measuring apparatus of the embodiment of the invention;
Fig. 3 is the schematic block circuit diagram of the high-tension electricity measuring apparatus of the embodiment of the invention;
Fig. 4 is the circuit theory diagrams of the electric energy processing unit of the embodiment of the invention;
Fig. 5 is the synoptic diagram of the high-tension electricity measuring apparatus that is arranged on high-pressure side B phase noble potential of the embodiment of the invention;
Fig. 6 is the annexation synoptic diagram of the high-tension electricity metering system of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, the high-tension electricity metering method of present embodiment may further comprise the steps: the voltage signal and the current signal (step S101) that gather the substation transformer high-pressure side; At the substation transformer high-pressure side voltage signal and the current signal that gathers measured processing formation voltage data and current data (step S 102); In substation transformer high-pressure side storage voltage data and current data and wireless transmit output (step S103) after with voltage data and current data packing.
As shown in Figure 2, the high-tension electricity measuring apparatus of present embodiment comprises: voltage sample unit 101, for the voltage signal that gathers the substation transformer high-pressure side; Current sampling unit 102 is for the current signal that gathers the substation transformer high-pressure side; Electric energy metrical unit 103 is used at the substation transformer high-pressure side voltage signal and the current signal that gathers being measured processing formation voltage data and current data; Electric energy processing unit 104 is used in substation transformer high-pressure side storage voltage data and current data and wireless transmit output after with voltage data and current data packing.
As shown in Figure 3, the high-tension electricity measuring apparatus of present embodiment specifically comprises: voltage transformer (VT) 201a, and for the voltage signal U that gathers the substation transformer high-pressure side
ABCurrent transformer 202a is for the current signal I that gathers the substation transformer high-pressure side
ASingle-phase electric energy gauging table 203a is arranged on the substation transformer high-pressure side and is connected with voltage transformer (VT) 201a summation current transformer 202a respectively by optical fiber, is used for the voltage signal U to gathering
ABWith current signal I
AMeasure and process formation voltage data and current data; Voltage transformer (VT) 201b is for the voltage signal U that gathers the substation transformer high-pressure side
CBCurrent transformer 202b is for the current signal I that gathers the substation transformer high-pressure side
CSingle-phase electric energy gauging table 203b is arranged on the substation transformer high-pressure side and is connected with voltage transformer (VT) 201b summation current transformer 202b respectively by optical fiber, is used for the voltage signal U to gathering
CBWith current signal I
CMeasure and process formation voltage data and current data; Electric energy processing unit 204 is arranged on the substation transformer high-pressure side and is connected by optical fiber and single-phase electric energy gauging table (203a, 203b), is used for storage voltage data and current data and with wireless transmit output after voltage data and the current data packing.
As shown in Figure 4, the electric energy processing unit comprises: central processing unit, and be connected with central processing unit, the voltage signal optical fiber interface is connected the receiver voltage data with the single-phase electric energy gauging table by optical fiber; The current signal optical fiber interface is connected the received current data with the single-phase electric energy gauging table by optical fiber; Storer is used for storage voltage data and current data; Wireless communication module is used for wireless transmit output after voltage data and the current data packing.
As shown in Figure 5, the electric energy processing unit of high-tension electricity measuring apparatus is arranged on the B phase high-voltage of substation transformer high-pressure side, and be connected with the single-phase electric energy gauging table by optical fiber, be used for storage voltage data and current data and with wireless transmit output after voltage data and the current data packing.
As shown in Figure 6, the high-tension electricity metering system of present embodiment comprises: high-tension electricity measuring apparatus 400 and far-end high-tension electricity metering server 500; The high-tension electricity measuring apparatus comprises: voltage transformer (VT), for the voltage signal that gathers the substation transformer high-pressure side; Current transformer is for the current signal that gathers the substation transformer high-pressure side; The single-phase electric energy gauging table is arranged on the substation transformer high-pressure side and is connected with the voltage transformer (VT) summation current transformer respectively by optical fiber, is used for the voltage signal that gathers and current signal measured processing formation voltage data and current data; The electric energy processing unit, be arranged on the substation transformer high-pressure side and be connected with the single-phase electric energy gauging table by optical fiber, be used for storage voltage data and current data and will voltage data and the current data packing after send far-end high-tension electricity metering server to by wireless Operation Network.The electric energy processing unit comprises: central processing unit, and be connected with central processing unit, the voltage signal optical fiber interface is connected the receiver voltage data with the single-phase electric energy gauging table by optical fiber; The current signal optical fiber interface is connected the received current data with the single-phase electric energy gauging table by optical fiber; Storer is used for storage voltage data and current data; Wireless communication module is used for and will sends far-end high-tension electricity metering server to by wireless Operation Network after voltage data and the current data packing.The electric energy processing unit is arranged on the B phase high-voltage of substation transformer high-pressure side, and is connected with the single-phase electric energy gauging table by optical fiber.
The embodiment of the invention has adopted without the direct measurement technology of the high voltage electric energy of secondary side meter and secondary circuit, high-voltage electric energy measurement part and data acquisition telecommunication part all are in the high-pressure side current potential, the electric quantity data that measures is stored in the high-pressure side, can stop bad user's electricity filching behavior.Because the present invention partly has been placed on the high-pressure side current potential to the data acquisition telecommunication, can send in real time the abnormal information such as decompression defluidization to equipment management personnel, but the unusual electricity consumption of monitor closely.Solve the stealing problem of large user's metering in the electric system, improved the electric system operation benefits.
The embodiment of the invention can be used as a kind of high-voltage intelligent anti-electricity-theft device based on the direct measurement technology of high voltage electric energy, the GPRS transmission module of portable data on the B of high-voltage intelligent anti-electricity-theft device phase high-voltage, directly and the electric energy meter main control unit interrelate with the form of serial communication, the power supply of GPRS communication module is also provided by the electric energy meter main control unit.
Embodiment of the invention device is integrated high-voltage electric energy measurement and data acquisition communication function and one, whole accuracy of measuring grade is the 0.5s level.The high-voltage intelligent anti-electricity-theft device has been realized intelligent sensing, collection, the communication of high pressure primary side.
Adopt embodiment of the invention device with the GPRS wireless communication mode electric quantity data of high pressure large user stoichiometric point to be real-time transmitted to the electricity anti-theft system server with relevant multiplexing electric abnormality information, the abnormal information of electricity anti-theft system server real-time analysis electricity consumption is in time issued alarm notification and is specified the keeper to equipment.
The embodiment of the invention exists secondary circuit easily by the problem of stealing in the solution conventional high-tension metered scheme.Can stop to usurp the stealing electricity phenomenon of conventional high-tension metered scheme, improve the operation benefits of electric system.The embodiment of the invention forms tight electricity anti-theft system application scheme, and real-time analysis gathers high pressure large user's power information, in time finds the suspicious electrical phenomena of using, and improves the anti-electricity-theft management level of electric system.
The embodiment of the invention, the GPRS transmission module of portable data on the B of high-voltage intelligent anti-electricity-theft device phase high-voltage, directly and the electric energy meter main control unit interrelate with the form of serial communication, the power supply of GPRS communication module is also provided by the electric energy meter main control unit.The embodiment of the invention is integrated high-voltage electric energy measurement and data acquisition communication function and one, whole accuracy of measuring grade is the 0.5s level.The high-voltage intelligent anti-electricity-theft device has been realized intelligent sensing, collection, the communication of high pressure primary side.The embodiment of the invention is real-time transmitted to far-end high-tension electricity metering server with the electric quantity data of high pressure large user stoichiometric point with relevant multiplexing electric abnormality information with the GPRS wireless communication mode, the abnormal information of far-end high-tension electricity metering server real-time analysis electricity consumption is in time issued alarm notification and is specified the keeper to equipment.
Used specific embodiment in the embodiment of the invention principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to the thought of the embodiment of the invention, all will change on embodiment and range of application and material, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a high-tension electricity metering method is characterized in that, described method comprises:
Gather voltage signal and the current signal of substation transformer high-pressure side;
At described substation transformer high-pressure side voltage signal and the current signal that gathers measured processing formation voltage data and current data;
Described substation transformer high-pressure side store described voltage data and current data and with described voltage data and current data packing after wireless transmit output.
2. a high-tension electricity measuring apparatus is characterized in that, described device comprises:
The voltage sample unit is for the voltage signal that gathers the substation transformer high-pressure side;
Current sampling unit is for the current signal that gathers the substation transformer high-pressure side;
The electric energy metrical unit is used at described substation transformer high-pressure side voltage signal and the current signal that gathers being measured processing formation voltage data and current data;
The electric energy processing unit is for storing described voltage data and current data at described substation transformer high-pressure side and wireless transmit after described voltage data and the current data packing being exported.
3. a high-tension electricity measuring apparatus is characterized in that, described device comprises:
Voltage transformer (VT) is for the voltage signal that gathers the substation transformer high-pressure side;
Current transformer is for the current signal that gathers the substation transformer high-pressure side;
The single-phase electric energy gauging table, be arranged on described substation transformer high-pressure side and be connected with described voltage transformer (VT) summation current transformer respectively by optical fiber, be used for the voltage signal that gathers and current signal measured and process formation voltage data and current data;
The electric energy processing unit, be arranged on described substation transformer high-pressure side and be connected with described single-phase electric energy gauging table by optical fiber, be used for storing described voltage data and current data and with wireless transmit output after described voltage data and the current data packing.
4. high-tension electricity measuring apparatus according to claim 3 is characterized in that, described electric energy processing unit comprises: central processing unit, and be connected with described central processing unit,
The voltage signal optical fiber interface is connected with described single-phase electric energy gauging table by optical fiber, receives described voltage data;
The current signal optical fiber interface is connected with described single-phase electric energy gauging table by optical fiber, receives described current data;
Storer is used for storing described voltage data and current data;
Wireless communication module is used for wireless transmit output after described voltage data and the current data packing.
5. high-tension electricity measuring apparatus according to claim 3, it is characterized in that, described electric energy processing unit, be arranged on the B phase high-voltage of described substation transformer high-pressure side, and be connected with described single-phase electric energy gauging table by optical fiber, be used for storing described voltage data and current data and with wireless transmit output after described voltage data and the current data packing.
6. a high-tension electricity metering system is characterized in that, described system comprises: high-tension electricity measuring apparatus and far-end high-tension electricity metering server;
Described high-tension electricity measuring apparatus comprises:
Voltage transformer (VT) is for the voltage signal that gathers the substation transformer high-pressure side;
Current transformer is for the current signal that gathers the substation transformer high-pressure side;
The single-phase electric energy gauging table, be arranged on described substation transformer high-pressure side and be connected with described voltage transformer (VT) summation current transformer respectively by optical fiber, be used for the voltage signal that gathers and current signal measured and process formation voltage data and current data;
The electric energy processing unit, be arranged on described substation transformer high-pressure side and be connected with described single-phase electric energy gauging table by optical fiber, be used for storing described voltage data and current data and will described voltage data and the current data packing after send described far-end high-tension electricity metering server to by wireless Operation Network.
7. high-tension electricity metering system according to claim 6 is characterized in that, described electric energy processing unit comprises: central processing unit, and be connected with described central processing unit,
The voltage signal optical fiber interface is connected with described single-phase electric energy gauging table by optical fiber, receives described voltage data;
The current signal optical fiber interface is connected with described single-phase electric energy gauging table by optical fiber, receives described current data;
Storer is used for storing described voltage data and current data;
Wireless communication module is used for and will sends described far-end high-tension electricity metering server to by wireless Operation Network after described voltage data and the current data packing.
8. high-tension electricity metering system according to claim 6, it is characterized in that, described electric energy processing unit, be arranged on the B phase high-voltage of described substation transformer high-pressure side, and be connected with described single-phase electric energy gauging table by optical fiber, be used for storing described voltage data and current data and with wireless transmit output after described voltage data and the current data packing.
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Cited By (1)
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| CN104330618A (en) * | 2014-10-28 | 2015-02-04 | 哈尔滨电工仪表研究所 | Household power distribution monitor |
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Application publication date: 20130313 |