CN106959427A - A kind of anti-DC performance hanging net operation verification experimental verification method of electric power meter - Google Patents
A kind of anti-DC performance hanging net operation verification experimental verification method of electric power meter Download PDFInfo
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- CN106959427A CN106959427A CN201710176062.1A CN201710176062A CN106959427A CN 106959427 A CN106959427 A CN 106959427A CN 201710176062 A CN201710176062 A CN 201710176062A CN 106959427 A CN106959427 A CN 106959427A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
The invention belongs to electric power meter detection technique field, a kind of anti-DC performance hanging net operation verification experimental verification method of electric power meter, using a copper-manganese resistance sampling direct access electric energy meter, a set of conventional electric power meter, a set of anti-direct current energy metering device, one error calculation and display device, it regard copper-manganese resistance sampling direct access electric energy meter as measurement criteria, checked object is used as using conventional electric power meter and anti-direct current energy metering device, the electric energy metering error of detection conventional electric power meter and anti-direct current energy metering device under loading effects containing DC component, the anti-DC performance of conventional electric power meter and anti-direct current energy metering device is contrasted with this.The present invention can be with the anti-DC performance of check and evaluation load containing DC component stoichiometric point electric power meter.
Description
Technical field
The present invention relates to a kind of anti-DC performance hanging net operation verification experimental verification method of electric power meter, belong to electric energy metrical
Device detection technique field.
Background technology
As nonlinear-load application is more and more universal, load current is also more and more containing DC component, and high straightening
Stream transmission of electricity also makes power circuit contain DC component, and load current DC component makes current transformer core magnetic saturation, causes iron
The Effective permeability of core reduces, and error will influence the accuracy of electric energy metrical, inspection is needed for this significantly to negative value reserve migration
The error characteristics of electric power meter under DC component influence are estimated in test and appraisal, referred to as anti-DC performance detection.At present, some enterprises
Anti- DC current transformer is have developed with research unit and possesses the electric energy meter of anti-DC capability, has also carried out Current Mutual Inductance
The anti-DC performance test in laboratory of device and electric energy meter, still, these possess after the measuring equipment hanging net operation of anti-DC performance
Performance still need and further to verify, but lack corresponding checking test means at present, therefore, studying a kind of electric energy metrical dress
Anti- DC performance hanging net operation checking test method is put to changing above-mentioned situation, promotes anti-direct current energy metering device scene to answer
With, it is ensured that the accurate measurement of load electric energy containing DC component, have great importance.
The content of the invention
The purpose of the present invention is, in order to solve the problems, such as the anti-DC performance hanging net operation verification experimental verification of electric power meter, this
Invention provides a kind of anti-DC performance hanging net operation verification experimental verification side based on copper-manganese resistance sampling direct access electric energy meter
Method.
To achieve the above object, the technical solution adopted in the present invention is that a kind of anti-DC performance of electric power meter is hung
Network operation verification experimental verification method, using a copper-manganese resistance sampling direct access electric energy meter, a set of conventional electric power meter,
A set of anti-direct current energy metering device, an error calculation and display device；Naturally there is the spy of anti-direct current function using copper-manganese
Property, using copper-manganese resistance sampling direct access electric energy meter as measurement criteria, with conventional electric power meter and anti-direct current energy
Metering device is as checked object, and the conventional electric power meter of detection and anti-direct current energy metering device are in load containing DC component
Under the influence of electric energy metering error, the anti-galvanic of conventional electric power meter and anti-direct current energy metering device is contrasted with this
Energy.
The A of the load containing DC component, B, C phase line successively with anti-direct current energy metering device, conventional electric power meter,
A, B, C phase current series connection of copper-manganese resistance sampling direct access electric energy meter, anti-direct current energy metering device, conventional electric energy metrical
The line of device, the voltage terminal phase sequence corresponding with load containing DC component successively of copper-manganese resistance sampling direct access electric energy meter
Road is connected, so anti-direct current energy metering device, conventional electric power meter, copper-manganese resistance sampling direct access electric energy meter three
The electric energy for covering electric power meter metering is the electric energy of same load.Error calculation and display device are measured with anti-direct current energy to be filled
Put, conventional electric power meter, the pulse delivery outlet of three sets of electric power meters of copper-manganese resistance sampling direct access electric energy meter
It is connected, it is main to complete error calculation and display.
The conventional electric power meter is made up of 3 conventional current transformers, 1 three-phase electric energy meter, three-phase electric energy meter
Connect 3 conventional current transformers.
The anti-direct current energy metering device is made up of 3 anti-DC current transformers, 1 three-phase electric energy meter, three-phase electricity
Can table 3 anti-DC current transformers of connection.
In the present invention, the load containing DC component, usual direct-current component ratio is not more than 10%, can be selected from
The right load containing direct-current component, can also choose so-called " economize on electricity " equipment using DC component stealing.
Error calculation principle：Error calculation and display device are used as standard using copper-manganese resistance sampling direct access electric energy meter
Electric power meter, is filled using anti-direct current energy metering device and conventional electric power meter as tested electric energy metrical respectively
Put, error measure is all continuously being run using the preset method of high-frequency impulse number, i.e. electric energy metrical standard and tested electric power meter
In the case of, meter reads the high-frequency impulse number M exported when tested electric power meter exports m low-frequency pulse, then with it is predetermined
High-frequency impulse number M0It is compared, the electric energy metering error e of tested electric power meter is calculated with formula (1)：
C in formula0For the low-frequency pulse that the high-frequency impulse constant of standard electric power meter, C are tested electric power meter
Constant.
The beneficial effects of the invention are as follows there is provided a kind of anti-DC performance hanging net operation verification method of electric power meter,
Can be with the anti-DC performance of check and evaluation load containing DC component stoichiometric point electric power meter.The present invention have method it is succinct,
Economy, science, practicality, workable, low cost and other advantages.
The present invention is applied to electric power meter detection technique field.
Brief description of the drawings
Fig. 1 is the anti-DC performance hanging net operation checking test schematic diagram of three-phase and four-line electric power meter；
Fig. 2 is the anti-DC performance hanging net operation checking test schematic diagram of three-phase-three-wire energy measurement device；
Fig. 3 is three-phase and four-line electrical burglary load theory diagram；
Fig. 4 is phase three-wire three electrical burglary load theory diagram.
Symbol in figure：
The anti-direct current energy metering devices of 100----；
200---- routine electric power meters；
300---- copper-manganese resistance sampling direct access electric energy meters；
400---- loads containing DC component；
500---- error calculations and display device；
TA1、TA2、TA3----the be respectively anti-DC current transformer of A phase, B phase, C phase；
TA4、TA5、TA6----be respectively A phase, B phase, C phase conventional current transformer；
D---- commutation diodes；
R---- is equivalent electric resistance type load.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
A kind of anti-DC performance hanging net operation verification experimental verification method of electric power meter is straight using a copper-manganese resistance sampling
Connect access electric energy meter 300, a set of conventional electric power meter 200, a set of anti-direct current energy metering device 100, an error
Calculate and display device 500；Naturally there is the characteristic of anti-direct current function using copper-manganese, by copper-manganese resistance sampling direct access electricity
Energy table 300 is as measurement criteria, using conventional electric power meter 200 and anti-direct current energy metering device 100 as checked object,
The electric energy meter of detection conventional electric power meter 200 and anti-direct current energy metering device 100 under loading effects containing DC component
Error is measured, the anti-DC performance of conventional electric power meter 200 and anti-direct current energy metering device 100 is contrasted with this.Containing direct current
A, B, C phase line of component load 400 successively with anti-direct current energy metering device 100, conventional electric power meter 200, copper-manganese
A, B, C phase current series connection of resistance sampling direct access electric energy meter 300, anti-direct current energy metering device 100, conventional electric energy meter
Measure device 200, copper-manganese resistance sampling direct access electric energy meter 300 voltage terminal successively with load containing DC component 400
The connection of correspondence phase sequence, so anti-direct current energy metering device 100, conventional electric power meter 200, copper-manganese resistance sampling
The electric energy of 300 3 sets of electric power meter meterings of direct access electric energy meter is the electric energy of same load.Error calculation and display
Device 500 and anti-direct current energy metering device 100, conventional electric power meter 200, copper-manganese resistance sampling direct access electric energy
The pulse delivery outlet of 300 3 sets of electric power meters of table is connected, main to complete error calculation and display.
The conventional electric power meter 200 is made up of 3 conventional current transformers, 1 three-phase electric energy meter, three-phase electric energy
Table connects 3 conventional current transformers.The anti-direct current energy metering device 300 by 3 anti-DC current transformers, 1 three
Phase power meter group is into three-phase electric energy meter connects 3 anti-DC current transformers.
In the present invention, the load containing DC component 400, usual direct-current component ratio is not more than 10%, Ke Yixuan
The right load containing direct-current component is derived from, so-called " economize on electricity " equipment using DC component stealing can also be chosen.
Error calculation principle：Error calculation and display device 500 are made with copper-manganese resistance sampling direct access electric energy meter 300
For standard electric power meter, respectively using anti-direct current energy metering device 100 and conventional electric power meter 200 as being tested
Electric power meter, error measure uses the preset method of high-frequency impulse number, i.e. electric energy metrical standard and tested electric power meter all
In the case of continuous operation, meter reads the high-frequency impulse number M exported when tested electric power meter exports m low-frequency pulse,
Again with predetermined high-frequency impulse number M0It is compared, the electric energy metering error e of tested electric power meter is calculated with formula (1)：
C in formula0For the low-frequency pulse that the high-frequency impulse constant of standard electric power meter, C are tested electric power meter
Constant.
According to way of energy measuring, electric power meter hanging net operation checking test is divided into three-phase and four-line electric power meter
Anti- DC performance hanging net operation checking test and the anti-DC performance hanging net operation checking test of three-phase-three-wire energy measurement device, with
The present invention is described in detail for lower combination accompanying drawing.
Embodiment 1
Fig. 1 is the anti-DC performance hanging net operation checking test schematic diagram of three-phase and four-line electric power meter, it is adaptable to three-phase
The anti-DC performance hanging net operation checking test of four line electric power meters, the copper-manganese resistance sampling using a three-phase and four-line is direct
Access electric energy meter 300, the conventional electric power meter 200 of a set of three-phase and four-line, the anti-direct current energy meter of a set of three-phase and four-line
Measure device 100, an error calculation and display device 500.A, B, C, N phase line of load containing DC component 400 are successively with three
The anti-direct current energy metering device 100 of the line of phase four, the conventional electric power meter 200 of three-phase and four-line, the copper-manganese electricity of three-phase and four-line
A, B, C, N phase line series connection of resistance sampling direct access electric energy meter 300, the anti-direct current energy metering device 100 of three-phase and four-line,
The voltage of the conventional electric power meter 200 of three-phase and four-line, the copper-manganese resistance sampling direct access electric energy meter 300 of three-phase and four-line
A, B, C, N phase line of terminals A, B, C, N successively with load containing DC component 400 are connected；The anti-direct current energy of three-phase and four-line
The anti-DC current transformer TA of A phases of metering device 1001, the anti-DC current transformer TA of B phases2, the anti-DC current transformer of C phases
TA3On A, B, C, N phase line for being separately mounted to load containing DC component 400；The conventional electric power meter 200 of three-phase and four-line
A phase conventional current transformers TA4, B phase conventional current transformers TA5, C phase conventional current transformers TA6It is separately mounted to containing straight
On A, B, C, N phase line of flow component load 400.Fig. 3 is the common utilization direct-current component stealing principle exploitation of in the market
Three-phase and four-line " electricity-saving appliance ", using three diode D to three-phase sine wave voltage carry out rectification, installed in resistor-type load R
Mains side electric current can be made to contain abundant direct-current component when preceding, the above three-phase and four-line electric power meter resists galvanic
Energy hanging net operation checking test is applied to be provided with the load stoichiometric point of such device.
Embodiment 2
Fig. 2 is the anti-DC performance hanging net operation checking test schematic diagram of three-phase-three-wire energy measurement device, it is adaptable to three-phase
The anti-DC performance hanging net operation checking test of three line electric power meters, the copper-manganese resistance sampling using a phase three-wire three is direct
Access electric energy meter 300, the conventional electric power meter 200 of a set of phase three-wire three, the anti-direct current energy meter of a set of phase three-wire three
Measure device 100, an error calculation and display device 500.A, B, C phase line of load containing DC component 400 successively with three-phase
The anti-direct current energy metering device 100 of three lines, the conventional electric power meter 200 of phase three-wire three, the copper-manganese resistance of phase three-wire three
A, B, C phase line series connection of sampling direct access electric energy meter 300, the anti-direct current energy metering device 100 of phase three-wire three, three-phase
The voltage link of the conventional electric power meter 200 of three lines, the copper-manganese resistance sampling direct access electric energy meter 300 of phase three-wire three
A, B, C are connected with A, B, C phase line of load successively at end；The anti-direct current of A phases of the anti-direct current energy metering device 100 of phase three-wire three
Current transformer TA1, the anti-DC current transformer TA of C phases3On A, C phase line for being separately mounted to load containing DC component 400；
The A phase conventional current transformers TA of the conventional electric power meter 200 of phase three-wire three4, C phase conventional current transformers TA6Pacify respectively
On A, C phase line of load containing DC component 400.Fig. 4 is the common utilization direct-current component stealing principle of in the market
The phase three-wire three " electricity-saving appliance " of exploitation, rectification is carried out using three diode D to three-phase sine wave voltage, negative installed in resistor-type
Mains side electric current can be made to contain abundant direct-current component when before lotus R, the above three-phase-three-wire energy measurement device is anti-straight
Fluidity energy hanging net operation checking test is applied to be provided with the load stoichiometric point of such device.
Claims (7)
1. a kind of anti-DC performance hanging net operation verification experimental verification method of electric power meter, it is characterized in that：Using a copper-manganese electricity
Resistance sampling direct access electric energy meter, a set of conventional electric power meter, a set of anti-direct current energy metering device, an error meter
Calculate and display device；Using copper-manganese resistance sampling direct access electric energy meter as measurement criteria, with conventional electric power meter and
Anti- direct current energy metering device is as checked object, and the conventional electric power meter of detection and anti-direct current energy metering device are containing straight
Electric energy metering error under flow component loading effects, conventional electric power meter and anti-direct current energy metering device are contrasted with this
Anti- DC performance.
2. the anti-DC performance hanging net operation verification experimental verification method of electric power meter according to claim 1, it is characterized in that：
The A of the load containing DC component, B, C phase line successively with anti-direct current energy metering device, conventional electric power meter, copper-manganese resistance
A, B, C phase current series connection of sampling direct access electric energy meter, anti-direct current energy metering device, conventional electric power meter, manganese
The connection of the voltage terminal phase sequence corresponding with load containing DC component successively of copper resistance sampling direct access electric energy meter,
So anti-direct current energy metering device, conventional electric power meter, three sets of electric energy of copper-manganese resistance sampling direct access electric energy meter
The electric energy of metering device metering is the electric energy of same load；Error calculation and display device with anti-direct current energy metering device, often
Advise electric power meter, the pulse delivery outlet of three sets of electric power meters of copper-manganese resistance sampling direct access electric energy meter is connected,
Complete error calculation and display.
3. the anti-DC performance hanging net operation verification experimental verification method of electric power meter according to claim 2, it is characterized in that：
Error calculation and display device are using copper-manganese resistance sampling direct access electric energy meter as standard electric power meter, respectively with anti-
Direct current energy metering device and conventional electric power meter are as tested electric power meter, and error measure uses high-frequency impulse
The preset method of number, i.e. electric energy metrical standard and tested electric power meter are all in the case of continuous operation, and meter is read in tested electric energy
The high-frequency impulse number M that exports when metering device exports m low-frequency pulse, then with predetermined high-frequency impulse number M0It is compared, uses
Formula (1) calculates the electric energy metering error e of tested electric power meter：
C in formula0For the low-frequency pulse constant that the high-frequency impulse constant of standard electric power meter, C are tested electric power meter.
4. the anti-DC performance hanging net operation verification experimental verification method of electric power meter according to claim 2, it is characterized in that：
The load containing DC component, direct-current component ratio is not more than 10%.
5. the anti-DC performance hanging net operation verification experimental verification method of electric power meter according to claim 4, it is characterized in that：
Load containing DC component chooses load of the nature containing direct-current component, or selection is set using the economize on electricity of DC component stealing
It is standby.
6. the anti-DC performance hanging net operation verification experimental verification method of electric power meter according to claim 1, it is characterized in that：
The conventional electric power meter is made up of 3 conventional current transformers, 1 three-phase electric energy meter, and three-phase electric energy meter connects 3 often
Advise current transformer.
7. the anti-DC performance hanging net operation verification experimental verification method of electric power meter according to claim 1, it is characterized in that：
The anti-direct current energy metering device is made up of 3 anti-DC current transformers, 1 three-phase electric energy meter, three-phase electric energy meter connection 3
Individual anti-DC current transformer.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589391A (en) * | 2017-07-27 | 2018-01-16 | 武汉尤瑞卡节能科技有限公司 | A kind of methods, devices and systems for detecting electric power meter global error |
| CN107748346A (en) * | 2017-10-11 | 2018-03-02 | 国网江西省电力公司电力科学研究院 | A kind of high voltage electric energy error detection method under load containing DC component |
| CN113035032A (en) * | 2021-03-09 | 2021-06-25 | 山东电力高等专科学校 | Serial half-wave rectification type electricity stealing simulation device and simulation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05188089A (en) * | 1992-01-13 | 1993-07-27 | Tokyo Denshi Kk | Direct current transformer |
| JP2005204415A (en) * | 2004-01-15 | 2005-07-28 | Teikoku Electric Mfg Co Ltd | Detector and motor bearing abrasion detector |
| CN202563077U (en) * | 2012-04-27 | 2012-11-28 | 江苏省电力公司宿迁供电公司 | Detector for electric energy metering apparatus |
| CN104316896A (en) * | 2014-10-28 | 2015-01-28 | 国家电网公司 | Method for calibrating errors of electric energy meter under influence of direct currents and even-order harmonic |
| CN204228946U (en) * | 2014-10-31 | 2015-03-25 | 国家电网公司 | A kind of electric energy meter error calibrating installation |
-
2017
- 2017-03-22 CN CN201710176062.1A patent/CN106959427A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05188089A (en) * | 1992-01-13 | 1993-07-27 | Tokyo Denshi Kk | Direct current transformer |
| JP2005204415A (en) * | 2004-01-15 | 2005-07-28 | Teikoku Electric Mfg Co Ltd | Detector and motor bearing abrasion detector |
| CN202563077U (en) * | 2012-04-27 | 2012-11-28 | 江苏省电力公司宿迁供电公司 | Detector for electric energy metering apparatus |
| CN104316896A (en) * | 2014-10-28 | 2015-01-28 | 国家电网公司 | Method for calibrating errors of electric energy meter under influence of direct currents and even-order harmonic |
| CN204228946U (en) * | 2014-10-31 | 2015-03-25 | 国家电网公司 | A kind of electric energy meter error calibrating installation |
Non-Patent Citations (2)
| Title |
|---|
| 童远明: "浅谈导致电能计量装置误差原因及其改善措施", 《电力与资源》 * |
| 靳绍平 等: "低压抗直流电流互感器及检测装置研究", 《电测与仪表》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589391A (en) * | 2017-07-27 | 2018-01-16 | 武汉尤瑞卡节能科技有限公司 | A kind of methods, devices and systems for detecting electric power meter global error |
| CN107748346A (en) * | 2017-10-11 | 2018-03-02 | 国网江西省电力公司电力科学研究院 | A kind of high voltage electric energy error detection method under load containing DC component |
| CN113035032A (en) * | 2021-03-09 | 2021-06-25 | 山东电力高等专科学校 | Serial half-wave rectification type electricity stealing simulation device and simulation method |
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