CN204705708U - To the device that the measuring apparatus in distributed transformer substation is calibrated - Google Patents
To the device that the measuring apparatus in distributed transformer substation is calibrated Download PDFInfo
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- CN204705708U CN204705708U CN201520484221.0U CN201520484221U CN204705708U CN 204705708 U CN204705708 U CN 204705708U CN 201520484221 U CN201520484221 U CN 201520484221U CN 204705708 U CN204705708 U CN 204705708U
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000004907 flux Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000013307 optical fiber Substances 0.000 description 1
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Abstract
The utility model provides a kind of device calibrated the measuring apparatus in distributed transformer substation, time standard current source is connected with current signal sending module, time standard voltage source is connected with voltage signal sending module, time standard current source is connected merge cells with time standard voltage source, merge cells connects digital electricity meter, digital electricity meter connects electrical energy pulse acquisition equipment, electrical energy pulse acquisition equipment connects wireless communication module, reference power supply signal receiving module is connected with current signal sending module and the communication of voltage signal sending module, wireless communication module is connected with PC with reference power supply signal receiving module, adopt GPS/ Big Dipper time service mode, 1PPs pulse per second (PPS) is utilized to realize time synchronized, adopt wireless communication technique to carry out data transmission, overcome due to voltage, current transformer spacing distance length cannot by the defect of Data Over Cable, adopt markers standard source technology, ensure that the synchronism of data.
Description
Technical field
The utility model relates to electric-power metering calibrating field, is specifically related to a kind of device calibrated the measuring apparatus in distributed transformer substation.
Background technology
Along with the develop rapidly of the automation of transformation substations and the network communications technology, the promulgation of IEC61850 standards system and implementation, traditional transformer station is progressively to digital transformer substation transition.Digital transformer substation electric flux technology achieves analog quantity after total digitalization in collection, by the transformation that fibre circuit transmits, digital electric energy meter is transferred to by point-to-point or Ethernet mode, for in digital transformer substation, electric energy metered system provides Data Source, form digital transformer substation electric energy metered system.
But, in digital transformer substation electric energy metered system, because the error of voltage transformer (VT), current transformer, the transformed error of merge cells, the error code of transmitting procedure cause the existence being afraid of error and the digital electric energy meter error of calculation etc. link, in digital transformer substation, electric energy metered system can produce certain systematic error, therefore needs to calibrate the power/energy error of digital transformer substation.
Utility model content
The utility model provides a kind of device calibrated the measuring apparatus in distributed transformer substation according to the deficiencies in the prior art, and structure is simple, easy to operate, accurately and reliably.
The technical solution of the utility model: a kind of device that measuring apparatus in distributed transformer substation is calibrated, it is characterized in that: normalized current source be connected with current data collector and with GPS/ Big Dipper time service antenna makeup time normalized current source, standard voltage source be connected with voltage data collector and with GPS/ Big Dipper time service antenna makeup time standard voltage source, time standard current source is connected with current signal sending module, time standard voltage source is connected with voltage signal sending module, time standard current source is connected merge cells with time standard voltage source, merge cells connects digital electricity meter, digital electricity meter connects electrical energy pulse acquisition equipment, electrical energy pulse acquisition equipment connects wireless communication module, reference power supply signal receiving module is connected with current signal sending module and the communication of voltage signal sending module, wireless communication module is connected with PC with reference power supply signal receiving module.
Described electrical energy pulse acquisition equipment is also connected with GPS/ Big Dipper time service antenna.
Described merge cells and digital electricity meter pass through Fiber connection.
Time service precision≤100 nanosecond of described GPS/ Big Dipper time service antenna.
Technique effect of the present utility model: adopt GPS/ Big Dipper time service mode, utilize 1PPs pulse per second (PPS) to realize time synchronized; Adopt wireless communication technique to carry out data transmission, overcome due to voltage, current transformer spacing distance length cannot by the defect of Data Over Cable; Adopt markers standard source technology, ensure that the synchronism of data; Structure is simple, easy to operate, accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram.
Number in the figure represents respectively: 1-normalized current source, 2-current data collector, 3-time standard current source, 4-standard voltage source, 5-voltage data collector, 6-time standard voltage source, 7-current signal sending module, 8-voltage signal sending module, 9-merge cells, 10-digital electricity meter, 11-electrical energy pulse acquisition equipment, 12-wireless communication module, 13-reference power supply signal receiving module, 14-PC.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in Figure 1, a kind of device that measuring apparatus in distributed transformer substation is calibrated, it is characterized in that: normalized current source 1 be connected with current data collector 2 and with GPS/ Big Dipper time service antenna makeup time normalized current source 3, standard voltage source 4 be connected with voltage data collector 5 and with GPS/ Big Dipper time service antenna makeup time standard voltage source 6, time standard current source 3 is connected with current signal sending module 7, time standard voltage source 6 is connected with voltage signal sending module 8, time standard current source 3 is connected merge cells 9 with time standard voltage source 6, merge cells 9 connects digital electricity meter 10, digital electricity meter 10 connects electrical energy pulse acquisition equipment 11, electrical energy pulse acquisition equipment 11 connects wireless communication module 12, reference power supply signal receiving module 13 is connected with current signal sending module 7 and voltage signal sending module 8 communication, wireless communication module 12 is connected with PC 14 with reference power supply signal receiving module 13.
Electrical energy pulse acquisition equipment 11 is also connected with GPS/ Big Dipper time service antenna.
Merge cells 9 and digital electricity meter 10 pass through Fiber connection.
Time service precision≤100 nanosecond of GPS/ Big Dipper time service antenna.
The utility model realizes in the following manner:
1) voltage signal collector, in time standard voltage source gathers analog voltage mutual inductor and outputs signal and be transferred to merge cells; Current signal collector in time standard current source gathers analog current mutual inductor and outputs signal and be transferred to merge cells;
2), voltage, current transformer simulating signal are converted to digital signal by Optical Fiber Transmission to digital electricity meter by merge cells;
3), digital electricity meter calculates electric flux and is electrical energy pulse by electric energy conversion; Electrical energy pulse caught by electrical energy pulse acquisition equipment, and is transferred to PC by wireless communication module;
4) the electric current and voltage data sent by wireless communication module time of reception voltage standard source and time standard current source of PC, calculate electric flux, the electric flux sent with electrical energy pulse acquisition equipment is compared, the error of calculation, thus realize the object of the measuring apparatus in distributed transformer substation being carried out to power/energy calibration.
A kind of device calibrated the measuring apparatus in distributed transformer substation of the present utility model, adopts GPS/ Big Dipper time service mode, utilizes 1PPs pulse per second (PPS) to realize time synchronized; Adopt wireless communication technique to carry out data transmission, overcome due to voltage, current transformer spacing distance length cannot by the defect of Data Over Cable; Adopt markers standard source technology, ensure that the synchronism of data; Structure is simple, easy to operate, accurately and reliably.
Claims (4)
1. the device that the measuring apparatus in distributed transformer substation is calibrated, it is characterized in that: normalized current source (1) be connected with current data collector (2) and with GPS/ Big Dipper time service antenna makeup time normalized current source (3), standard voltage source (4) be connected with voltage data collector (5) and with GPS/ Big Dipper time service antenna makeup time standard voltage source (6), time standard current source (3) is connected with current signal sending module (7), time standard voltage source (6) is connected with voltage signal sending module (8), time standard current source (3) is connected merge cells (9) with time standard voltage source (6), merge cells (9) connects digital electricity meter (10), digital electricity meter (10) connects electrical energy pulse acquisition equipment (11), electrical energy pulse acquisition equipment (11) connects wireless communication module (12), reference power supply signal receiving module (13) is connected with current signal sending module (7) and voltage signal sending module (8) communication, wireless communication module (12) is connected with PC (14) with reference power supply signal receiving module (13).
2. the device calibrated the measuring apparatus in distributed transformer substation according to claim 1, is characterized in that: described electrical energy pulse acquisition equipment (11) is also connected with GPS/ Big Dipper time service antenna.
3. the device calibrated the measuring apparatus in distributed transformer substation according to claim 1, is characterized in that: described merge cells (9) and digital electricity meter (10) pass through Fiber connection.
4. the device calibrated the measuring apparatus in distributed transformer substation according to claim 1, is characterized in that: time service precision≤100 nanosecond of described GPS/ Big Dipper time service antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484221.0U CN204705708U (en) | 2015-07-07 | 2015-07-07 | To the device that the measuring apparatus in distributed transformer substation is calibrated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484221.0U CN204705708U (en) | 2015-07-07 | 2015-07-07 | To the device that the measuring apparatus in distributed transformer substation is calibrated |
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| CN204705708U true CN204705708U (en) | 2015-10-14 |
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| CN201520484221.0U Active CN204705708U (en) | 2015-07-07 | 2015-07-07 | To the device that the measuring apparatus in distributed transformer substation is calibrated |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991221A (en) * | 2015-07-07 | 2015-10-21 | 国家电网公司 | Device and detection method for calibrating metering device in distributed substation |
| CN106066465A (en) * | 2016-07-07 | 2016-11-02 | 国网江苏省电力公司宿迁供电公司 | A kind of Watt-hour meter's field test remote impulse module and method of calibration thereof |
| CN113049932A (en) * | 2021-03-25 | 2021-06-29 | 国网陕西省电力公司电力科学研究院 | Device and method for calibrating time and phase synchronization performance |
-
2015
- 2015-07-07 CN CN201520484221.0U patent/CN204705708U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991221A (en) * | 2015-07-07 | 2015-10-21 | 国家电网公司 | Device and detection method for calibrating metering device in distributed substation |
| CN104991221B (en) * | 2015-07-07 | 2018-01-30 | 国家电网公司 | The device and detection method calibrated to the metering device in distributed transformer substation |
| CN106066465A (en) * | 2016-07-07 | 2016-11-02 | 国网江苏省电力公司宿迁供电公司 | A kind of Watt-hour meter's field test remote impulse module and method of calibration thereof |
| CN113049932A (en) * | 2021-03-25 | 2021-06-29 | 国网陕西省电力公司电力科学研究院 | Device and method for calibrating time and phase synchronization performance |
| CN113049932B (en) * | 2021-03-25 | 2023-11-24 | 国网陕西省电力公司电力科学研究院 | Device and method for calibrating time and phase synchronization performance |
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