CN109116291A - A kind of high voltage electric energy calibrating installation that can integrally trace to the source and calibration method - Google Patents
A kind of high voltage electric energy calibrating installation that can integrally trace to the source and calibration method Download PDFInfo
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- CN109116291A CN109116291A CN201811233970.0A CN201811233970A CN109116291A CN 109116291 A CN109116291 A CN 109116291A CN 201811233970 A CN201811233970 A CN 201811233970A CN 109116291 A CN109116291 A CN 109116291A
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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
Abstract
The high voltage electric energy calibrating installation and calibration method, the calibrating installation that can integrally trace to the source the invention discloses one kind include calibrating installation control module and three-phase calibration power source；The calibrating installation control module includes industrial personal computer, pulse input output board, digital quantity signal change-over panel and the first optical transmitter and receiver；Three-phase calibration power source includes the second optical transmitter and receiver and three single-phase calibration power sources being connected respectively with second optical transmitter and receiver.The present invention so that high-pressure and low-pressure two sides fully achieve electrically separated, substantially increases the security performance of equipment using optical transmitter and receiver connection industry control detection part and power source section.Temperature detecting module is additionally used simultaneously, and the gauging error that the gauging error under its different temperatures can be converted under 20 degrees Celsius enhances the comparability of verification result.
Description
Technical field
The present invention relates to a kind of high voltage electric energy calibrating installations, further relate to a kind of high voltage electric energy calibration method.
Background technique
With economic rapid development, power demand is increasing, digitlization, information-based, networking be electrical energy measurement with
The direction of electric network measuring and controlling technology development.The income of the electricity charge is the main business income of electric power enterprise, the foundation calculated to it
It is mainly realized by electric energy tariffing device, wherein high voltage electric energy meter apparatus is exactly important electric energy tariffing instrument.Due to
High-voltage electric energy meter metering units are in high-pressure side, and conventional low voltage electricity filching means are difficult to carry out, therefore the device has the anti-of brilliance
Stealing performance.High-voltage electric energy meter is as measurement instrument, it is necessary to by the metering and calibrating device assay approval that profession is objective and accurate
Afterwards, it can just come into operation.
For traditional high-voltage electric-energy meter, internal voltage transformer, current transformer are mainly examined and determine respectively
And electric energy meter reuses the method for error synthesis when they reach certain accuracy requirement to assess high-voltage electric energy measurement
The accuracy of device entirety.This method is first is that not meet national standard substantially former as defined in electric energy meter and calibrator for watt-hour meter
Then: " error of all instrument and measuring device must all carry out actual measurement, without measurement, be fallen into a trap with other measurements
Error calculate and reference voltage, electric current and power factor combination, cannot function as the foundation of evaluating apparatus elementary error "；
Second is that not being suitable for the Whole verification of novel all-in-one high-voltage electric energy meter.
Current existing some high-voltage electric energy meter Integral calibrating apparatus are added high pressure mutually using standard scale, low-voltage signal source
Sensor scheme, it is mutually indepedent between each component part, between be connected using conducting wire.Although this scheme may be implemented to high-voltage electric energy meter
Whole verification, but the entirety that calibrating installation cannot achieve precision is traced to the source, typical magnitude trace to the source be by each grade standard step by step
It is traceable to national electric energy benchmark (3 × 10-5).Under current state, conducting wire internal resistance loss can not be ignored, when each connecting wire
Contact resistance be also not quite similar, these can all change calibrating installation itself precision, to directly affect calibrating high-voltage electric energy meter
The accuracy and legitimacy of precision result.Claimed apparatus is examined for the first time in " JJG 597-2005 AC electrical energy meter calibration " simultaneously
The subsequent calibrating for the first time of progress in 1 year after fixed, hereafter the re-testing periods of subsequent calibrating are 2 years.Existing calibrating installation itself designs
Not small and exquisite enough, mobile difficult, be not easy to the later period regular examines and determine to testing agency.
Summary of the invention
The high voltage electric energy calibrating installation and calibration method that can integrally trace to the source the invention proposes one kind, the purpose is to: (1) make
The precision of calibrating installation can integrally trace to the source；(2) mobility for improving calibrating installation, facilitates the later period to examine and determine.
Technical scheme is as follows:
A kind of high voltage electric energy calibrating installation that can integrally trace to the source, including calibrating installation control module and three-phase calibration power source；
The calibrating installation control module includes industrial personal computer, pulse input output board, digital quantity signal change-over panel and the first light end
Machine；The pulse input output board and digital quantity signal transducer are connected with industrial personal computer respectively, first optical transmitter and receiver and institute
It states digital quantity signal change-over panel to be connected, the pulse input output board with tested high-voltage electric energy meter for being connected；
Three-phase calibration power source includes the second optical transmitter and receiver and three single-phase marks being connected respectively with second optical transmitter and receiver
Quasi- power source；
The single-phase calibration power source includes low-voltage signal source, standard scale, power amplifier, booster, voltage transformer, up-flow
Device and current transformer；The standard scale is connected with second optical transmitter and receiver；The current output terminal and low pressure of the standard scale
Normalized current source in signal source is connected, voltage output end and the standard voltage source phase in low-voltage signal source of the standard scale
Connection, the normalized current source are connected by power amplifier with current lifting device, and the standard voltage source passes through power amplifier
It is connected with booster；The output end of the current lifting device be used for tested high-voltage electric energy meter outputting standard electric current, and with it is described
The current feedback terminal of standard scale is connected；The output end of the booster is used for tested high-voltage electric energy meter outputting standard voltage,
And it is connected with the pressure feedback port of the standard scale；
First optical transmitter and receiver is connected with the second optical transmitter and receiver.
As a further improvement of the present invention: the single-phase calibration power source further includes temperature sensor, and the temperature passes
Sensor is connected with the standard scale.
As a further improvement of the present invention: the single-phase calibration power source further includes cabinet, the low-voltage signal source, mark
Quasi- table, power amplifier, booster, voltage transformer, current lifting device and current transformer are placed in the cabinet, the cabinet
Bottom is equipped with universal wheel.
As a further improvement of the present invention: the calibrating installation control module further includes being connected with the industrial personal computer
User interface.
As a further improvement of the present invention: the order that the digital quantity signal change-over panel issues industrial personal computer passes through light end
Machine issues calibration power source, to realize the control to calibration power source, while the data that calibration power source is transmitted is parsed into number
Word amount signal is sent into industrial personal computer.
As a further improvement of the present invention: between the industrial personal computer measurement and locking normalized current source and standard voltage source
Phase；
The output process of normal voltage are as follows: the standard voltage source in low-voltage signal source exports small signal, through power amplifier and boosting
Device exports high pressure, while the high-voltage signal exported is converted into small signal further through voltage transformer and feeds back to standard scale, standard scale
It is exported by pid algorithm dynamic regulation low-voltage signal source, to guarantee the output accuracy of normal voltage；
As a further improvement of the present invention: the normalized current source in low-voltage signal source exports small signal, through power amplifier and liter
It flows device and exports high current, while the high current signal exported is converted into small signal further through current transformer and feeds back to standard scale,
Standard scale is exported by pid algorithm dynamic regulation low-voltage signal source, to guarantee the output accuracy of normalized current.
As a further improvement of the present invention: the pulse input output board acquires the arteries and veins of tested high-voltage electric energy meter output
Punching, is then delivered in industrial personal computer, the pulse compared with the calibration pulse that calibration power source exports, is calculated tested industrial personal computer
The error of high-voltage electric energy meter.
Based on the calibration method of the above-mentioned high voltage electric energy calibrating installation that can integrally trace to the source, include the following steps:
1) a qualified high-voltage electric energy meter is connected to the calibration power source of calibrating installation；
2) the second optical transmitter and receiver, qualified high-voltage electric energy meter and the calibration power source being connected with the qualified high-voltage electric energy meter are put
Enter temperature-controlling chamber；
3) electric energy meter detection parameters are set on industrial personal computer, and a temperature sequence is set, by the first temperature value in temperature sequence
The temperature of temperature-controlling chamber is set, temperature control room temperature is waited to stablize；
4) start electric energy meter calibration program on industrial personal computer, control command is sent to calibration power source, with qualified high-voltage electric energy meter
The standard scale in the single-phase calibration power source being connected is by the voltage and current output valve in calibration power source and the detection of temperature sensor
Data are sent to industrial personal computer；
5) it the data of the tested qualified high-voltage electric energy meter output of pulse input output board acquisition and is sent in industrial personal computer, industrial personal computer will be by
The data of qualified high-voltage electric energy meter output are examined compared with the data that calibration power source is sent, high-voltage electric energy meter mistake is calculated
Difference；
6) temperature of temperature-controlling chamber is successively set by the temperature value of temperature sequence, repeats to hold after waiting the temperature of temperature-controlling chamber to stablize every time
Row step 4) and step 5)；
7) ratio of the electric energy meter error obtained at electric energy meter error and 20 DEG C under different temperatures: C is calculatedT=RT/R20；R in formulaT
For the electric energy meter error under temperature T, R20For the electric energy meter error at 20 DEG C；
8) another high-voltage electric energy meter to be measured is detected outside temperature-controlling chamber using calibrating installation, obtain the tested high-voltage electric energy meter in temperature
TIt is realUnder error RIt is real；
9) convert tested error of the high-voltage electric energy meter at 20 DEG C:
R=RIt is real/CIt is real；C in formulaIt is realFor in temperature sequence with TIt is realError ratio corresponding to immediate temperature value.
Compared with the existing technology, the present invention has following good effect: (1) present invention is using optical transmitter and receiver connection industry control detection
Part and power source section substantially increase the security performance of equipment so that high-pressure and low-pressure two sides fully achieve electrically separated；(2)
Temperature detecting module is set in standard detection part, can detecte the operating temperature in calibration power source, and at different temperatures
The error of electric energy meter to be measured is detected, the gauging error under different temperatures is uniformly finally converted into the calibrating under 20 degrees Celsius and is missed
Difference enhances the comparability of verification result；(3) signal source, mutual inductor and standard scale etc. are incorporated into a cabinet, essence
Degree can integrally trace to the source；(4) it by electric current output and 10kV high pressure equipotential, simulates under high-voltage fence state, to high voltage electric energy
Meter accuracy is examined and determine；(5) each single-phase calibration power source is separately positioned in cabinet, compact, and design has universal wheel, is moved
It is dynamic convenient.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is connection schematic diagram of the present invention in calibrating implementation process.
Specific embodiment
The following detailed description of technical solution of the present invention:
Such as Fig. 1, a kind of high voltage electric energy calibrating installation that can integrally trace to the source, including calibrating installation control module 1 and three-phase standard function
Rate source 14.
The calibrating installation control module 1 includes industrial personal computer 3, pulse input output board 4,5 and of digital quantity signal change-over panel
First optical transmitter and receiver；The pulse input output board 4 and digital quantity signal transducer 5 are connected with industrial personal computer 3 respectively, and described first
Optical transmitter and receiver is connected with the digital quantity signal change-over panel 5, and the pulse input output board 4 is used for and tested high-voltage electric energy meter phase
Connection.
The calibrating installation control module 1 further includes the user interface 2 being connected with the industrial personal computer 3.
Three-phase calibration power source 14 includes that the second optical transmitter and receiver and three are connected with second optical transmitter and receiver respectively
Single-phase calibration power source 6；
Each single-phase calibration power source 6 is a unit, and structure is identical and mutually independent, can work in single-phase, phase three-wire three or
Under the mode of connection of three-phase and four-line, the phase in each phase calibration power source is locked by industrial personal computer 3.
Specifically, the single-phase calibration power source 6 includes low-voltage signal source 8, standard scale 7, power amplifier 10, booster
12, voltage transformer 13, current lifting device 11 and current transformer 9；The standard scale 7 is connected with second optical transmitter and receiver；It is described
The current output terminal of standard scale 7 is connected with the normalized current source in low-voltage signal source 8, the voltage output end of the standard scale 7
It is connected with the standard voltage source in low-voltage signal source 8, the normalized current source passes through power amplifier 10 and 11 phase of current lifting device
Connection, the standard voltage source are connected by power amplifier 10 with booster 12；The output end of the current lifting device 11 is used for
It is connected to tested high-voltage electric energy meter outputting standard electric current, and with the current feedback terminal of the standard scale 7；The booster 12
Output end for being connected to tested high-voltage electric energy meter outputting standard voltage, and with the pressure feedback port of the standard scale 7.
First optical transmitter and receiver is connected with the second optical transmitter and receiver by optical fiber.
The single-phase calibration power source 6 further includes cabinet, and the low-voltage signal source 8, power amplifier 10, rises standard scale 7
Depressor 12, voltage transformer 13, current lifting device 11 and current transformer 9 are placed in the cabinet, thus become an entirety,
Precision can integrally trace to the source.The chassis bottom is equipped with universal wheel, facilitates the movement during late detection.
The single-phase calibration power source 6 further includes temperature sensor, and the temperature sensor is connected with the standard scale 7
It connects, for detecting environment temperature.
Industrial personal computer 3 in the calibrating installation control module 1 is the control core of calibrating installation, and control calibration power source is defeated
Out, error information processing is carried out, report is generated.The user interface 2 can intuitively show various measurement data and waveform, provide people
Property interactive controlling window, realize parameter setting, 8 start and stop of low-voltage signal source, the operation such as verifying process flow start and stop.The pulse input
Output board 4 and digital quantity signal change-over panel 5 are inserted in the pci card slot of industrial personal computer 3, for receive the output of tested equipment high frequency or
Person's low-frequency pulse, and send high and low frequency pulse.The setting command that digital quantity signal change-over panel 5 issues industrial personal computer 3 is sealed
Packet issues calibration power source by optical transmitter and receiver, controls power source start and stop, while the data that calibration power source is transmitted are parsed into number
Word amount signal is sent into industrial personal computer 3 by optical transmitter and receiver.
Phase between the measurement of industrial personal computer 3 and locking normalized current source and standard voltage source.
The output process of normal voltage are as follows: the standard voltage source in low-voltage signal source 8 exports small signal, through power amplifier 10
High pressure is exported with booster 12, while the high-voltage signal exported is converted into small signal further through voltage transformer 13 and feeds back to standard
Table 7, standard scale 7 is exported by pid algorithm dynamic regulation low-voltage signal source 8, to guarantee the output accuracy of normal voltage；
The output process of normalized current are as follows: the normalized current source in low-voltage signal source 8 exports small signal, through power amplifier 10 and rises
It flows device 11 and exports high current, while the high current signal exported is converted into small signal further through current transformer 9 and feeds back to standard
Table 7, standard scale 7 is exported by pid algorithm dynamic regulation low-voltage signal source 8, to guarantee the output accuracy of normalized current.
Such as Fig. 2, verification process is as follows, and calibrating installation control module 1 controls three-phase standard according to user both regular inspection table scheme
The point-by-point outputting standard voltage and current of power source 14.Tested high-voltage electric energy meter sets output drive in three-phase calibration power source 14
Under, export high-frequency impulse.Pulse input output board 4 collects tested high-voltage electric energy meter output by a wireless receiving module
High-frequency impulse, and be sent into industrial personal computer 3, compared with this pulse is originated from the calibration pulse that body exports with calibration power by industrial personal computer 3, meter
Calculation obtains high-voltage electric energy meter global error, which refers to the difference of pulse and the pulse of calibration power source of tested high-voltage electric energy meter again
Divided by the percent value obtained after the pulse of calibration power source.
Such as Fig. 1 and 2, examined and determine based on above-mentioned calibrating installation, steps are as follows:
1) a qualified high-voltage electric energy meter is connected to the calibration power source of calibrating installation；
2) the second optical transmitter and receiver, qualified high-voltage electric energy meter and the calibration power source being connected with the qualified high-voltage electric energy meter are put
Enter temperature-controlling chamber；
3) electric energy meter detection parameters are set on industrial personal computer 3, and a temperature sequence is set, by the first temperature value in temperature sequence
The temperature of temperature-controlling chamber is set, temperature control room temperature is waited to stablize；Preferably, from -50 DEG C to 50 DEG C, with 10 DEG C for interval, institute is constructed
State temperature sequence；
4) start electric energy meter calibration program on industrial personal computer 3, digital quantity signal change-over panel 5 exports control command, and control command is logical
It crosses the first optical transmitter and receiver and the second optical transmitter and receiver is sent to three single-phase calibration power sources 6, the list being connected with qualified high-voltage electric energy meter
The standard scale 7 in phase calibration power source 6 passes through the detection data of the voltage and current output valve in calibration power source and temperature sensor
Second optical transmitter and receiver, the first optical transmitter and receiver and digital quantity signal transducer 5 are sent to industrial personal computer 3；
5) acquisition of pulse input output board 4 is detected the data of qualified high-voltage electric energy meter output and is sent to industrial personal computer by communication interface
In 3, industrial personal computer 3 compares the data that tested qualified high-voltage electric energy meter exports with the data that calibration power source is sent, and calculates
To high voltage electric energy Watch Error；
6) temperature of temperature-controlling chamber is successively set by the temperature value of temperature sequence, repeats to hold after waiting the temperature of temperature-controlling chamber to stablize every time
Row step 4) and step 5)；
7) ratio of the electric energy meter error obtained at electric energy meter error and 20 DEG C under different temperatures: C is calculatedT=RT/R20；R in formulaT
For the electric energy meter error under temperature T, R20For the electric energy meter error at 20 DEG C；
8) another high-voltage electric energy meter to be measured is detected outside temperature-controlling chamber using calibrating installation, start electric energy meter calibration on industrial personal computer 3
Program, digital quantity signal change-over panel 5 export control command, and control command is sent to three by the first optical transmitter and receiver, the second optical transmitter and receiver
A single-phase calibration power source 6, three single-phase calibration power sources 6 are by the inspection of the wherein detection data of standard scale 7 and temperature sensor
Measured data is sent to industrial personal computer 3 by the second optical transmitter and receiver, the first optical transmitter and receiver, digital quantity signal change-over panel 5；
Pulse input output board 4 acquires the data for being detected high-voltage electric energy meter output to be measured, is then sent to industry control by communication interface
In machine 3, which compared with the normal data that the calibration power source exports, is obtained the tested high voltage electric energy by industrial personal computer 3
Table is in temperature TIt is realUnder error RIt is real；
9) convert tested error of the high-voltage electric energy meter at 20 DEG C:
R=RIt is real/CIt is real；C in formulaIt is realFor in temperature sequence with TIt is realError ratio corresponding to immediate temperature value.
Claims (8)
1. the high voltage electric energy calibrating installation that one kind can integrally trace to the source, it is characterised in that: including calibrating installation control module (1) and three
Phase calibration power source (14)；
The calibrating installation control module (1) includes industrial personal computer (3), pulse input output board (4), digital quantity signal change-over panel
(5) and the first optical transmitter and receiver；The pulse input output board (4) and digital quantity signal transducer (5) are connected with industrial personal computer (3) respectively
Connect, first optical transmitter and receiver is connected with the digital quantity signal change-over panel (5), the pulse input output board (4) be used for
Tested high-voltage electric energy meter is connected；
Three-phase calibration power source (14) includes the second optical transmitter and receiver and three lists being connected respectively with second optical transmitter and receiver
Phase calibration power source (6)；
The single-phase calibration power source (6) includes low-voltage signal source (8), standard scale (7), power amplifier (10), booster
(12), voltage transformer (13), current lifting device (11) and current transformer (9)；The standard scale (7) and the second optical transmitter and receiver phase
Connection；The current output terminal of the standard scale (7) is connected with the normalized current source in low-voltage signal source (8), the standard scale
(7) voltage output end is connected with the standard voltage source in low-voltage signal source (8), and the normalized current source passes through power amplification
Device (10) is connected with current lifting device (11), and the standard voltage source is connected by power amplifier (10) with booster (12)；
The output end of the current lifting device (11) be used for tested high-voltage electric energy meter outputting standard electric current, and with the standard scale (7)
Current feedback terminal is connected；The output end of the booster (12) is used for tested high-voltage electric energy meter outputting standard voltage, and
It is connected with the pressure feedback port of the standard scale (7)；
First optical transmitter and receiver is connected with the second optical transmitter and receiver.
2. the high voltage electric energy calibrating installation that can integrally trace to the source as described in claim 1, it is characterised in that: the single-phase standard function
Rate source (6) further includes temperature sensor, and the temperature sensor is connected with the standard scale (7).
3. the high voltage electric energy calibrating installation that can integrally trace to the source as described in claim 1, it is characterised in that: the single-phase standard function
Rate source (6) further includes cabinet, the low-voltage signal source (8), standard scale (7), power amplifier (10), booster (12), voltage
Mutual inductor (13), current lifting device (11) and current transformer (9) are placed in the cabinet, and the chassis bottom is equipped with universal
Wheel.
4. the high voltage electric energy calibrating installation that can integrally trace to the source as described in claim 1, it is characterised in that: the calibrating installation control
Molding block (1) further includes the user interface (2) being connected with the industrial personal computer (3).
5. the high voltage electric energy calibrating installation that can integrally trace to the source as described in claim 1, it is characterised in that: the digital quantity signal
The order that industrial personal computer (3) issues is issued calibration power source by optical transmitter and receiver by change-over panel (5), to realize the control to calibration power source
System, while the data that calibration power source is transmitted are parsed into digital quantity signal and are sent into industrial personal computer (3).
6. the high voltage electric energy calibrating installation that can integrally trace to the source as described in claim 1, it is characterised in that: the industrial personal computer (3)
Phase between measurement and locking normalized current source and standard voltage source；
The output process of normal voltage are as follows: the standard voltage source of low-voltage signal source (8) exports small signal, through power amplifier (10)
High pressure is exported with booster (12), while the high-voltage signal exported is converted into small signal further through voltage transformer (13) and feeds back to
Standard scale (7), standard scale (7) is exported by pid algorithm dynamic regulation low-voltage signal source (8), to guarantee the output of normal voltage
Precision；
The output process of normalized current are as follows: the normalized current source of low-voltage signal source (8) exports small signal, through power amplifier (10)
High current is exported with current lifting device (11), while further through current transformer (9) to be converted into small signal anti-for the high current signal exported
It is fed back to standard scale (7), standard scale (7) is exported by pid algorithm dynamic regulation low-voltage signal source (8), to guarantee normalized current
Output accuracy.
7. the high voltage electric energy calibrating installation that can integrally trace to the source as described in claim 1, it is characterised in that: the pulse input is defeated
Ejecting plate (4) acquires the pulse of tested high-voltage electric energy meter output, is then delivered in industrial personal computer (3), and industrial personal computer (3) is by the pulse and marks
The calibration pulse of quasi- power source output is compared, and the error of tested high-voltage electric energy meter is calculated.
8. the calibration method based on the high voltage electric energy calibrating installation that can integrally trace to the source as claimed in claim 2, it is characterised in that
Include the following steps:
1) a qualified high-voltage electric energy meter is connected to the calibration power source of calibrating installation；
2) the second optical transmitter and receiver, qualified high-voltage electric energy meter and the calibration power source being connected with the qualified high-voltage electric energy meter are put
Enter temperature-controlling chamber；
3) electric energy meter detection parameters are set on industrial personal computer (3), and a temperature sequence is set, by the first temperature in temperature sequence
The temperature of value setting temperature-controlling chamber, waits temperature control room temperature to stablize；
4) start electric energy meter calibration program on industrial personal computer (3), control command is sent to calibration power source, with qualified high voltage electric energy
The standard scale (7) for the single-phase calibration power source (6) that table is connected is by the voltage and current output valve and temperature sensing in calibration power source
The detection data of device is sent to industrial personal computer (3)；
5) pulse input output board (4) acquisition is detected the data of qualified high-voltage electric energy meter output and is sent in industrial personal computer (3), industry control
Machine (3) compares the data of tested qualified high-voltage electric energy meter output with the data that calibration power source is sent, and high pressure is calculated
Electric energy meter error；
6) temperature of temperature-controlling chamber is successively set by the temperature value of temperature sequence, repeats to hold after waiting the temperature of temperature-controlling chamber to stablize every time
Row step 4) and step 5)；
7) ratio of the electric energy meter error obtained at electric energy meter error and 20 DEG C under different temperatures: C is calculatedT=RT/R20；R in formulaTFor
Electric energy meter error under temperature T, R20For the electric energy meter error at 20 DEG C；
8) another high-voltage electric energy meter to be measured is detected outside temperature-controlling chamber using calibrating installation, obtain the tested high-voltage electric energy meter in temperature
TIt is realUnder error RIt is real；
9) convert tested error of the high-voltage electric energy meter at 20 DEG C:
R=RIt is real/CIt is real；C in formulaIt is realFor in temperature sequence with TIt is realError ratio corresponding to immediate temperature value.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062651A (en) * | 2009-11-18 | 2011-05-18 | 杨明忠 | Dynamic detection method for temperature of heat meter |
| CN102903223A (en) * | 2012-08-09 | 2013-01-30 | 中国电力科学研究院 | High-speed transmission system of extra-high voltage wide band domain corona current signal |
| CN103389484A (en) * | 2013-07-17 | 2013-11-13 | 国家电网公司 | Electric energy meter verification system |
| CN203673061U (en) * | 2013-12-31 | 2014-06-25 | 国家电网公司 | Onsite detecting system for electric energy meter |
| CN105607027A (en) * | 2015-12-17 | 2016-05-25 | 郑州三晖电气股份有限公司 | High-low temperature weather effect testing device for electric energy meter |
| CN107748348A (en) * | 2017-11-30 | 2018-03-02 | 国网安徽省电力公司淮南供电公司 | The high-voltage electric energy meter calibrating installation that can integrally trace to the source |
-
2018
- 2018-10-23 CN CN201811233970.0A patent/CN109116291B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062651A (en) * | 2009-11-18 | 2011-05-18 | 杨明忠 | Dynamic detection method for temperature of heat meter |
| CN102903223A (en) * | 2012-08-09 | 2013-01-30 | 中国电力科学研究院 | High-speed transmission system of extra-high voltage wide band domain corona current signal |
| CN103389484A (en) * | 2013-07-17 | 2013-11-13 | 国家电网公司 | Electric energy meter verification system |
| CN203673061U (en) * | 2013-12-31 | 2014-06-25 | 国家电网公司 | Onsite detecting system for electric energy meter |
| CN105607027A (en) * | 2015-12-17 | 2016-05-25 | 郑州三晖电气股份有限公司 | High-low temperature weather effect testing device for electric energy meter |
| CN107748348A (en) * | 2017-11-30 | 2018-03-02 | 国网安徽省电力公司淮南供电公司 | The high-voltage electric energy meter calibrating installation that can integrally trace to the source |
Non-Patent Citations (2)
| Title |
|---|
| 孟耕;张浩;: "保证标准电能表(0.02级)技术指标的有效措施", 电测与仪表, vol. 43, no. 09, pages 43 - 45 * |
| 张朝军;尧冬梅;智新国;钟国林;: "电能表检验装置的误差测量与不确定度评定", 中国测试技术, vol. 32, no. 03, pages 16 - 19 * |
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