CN102338865B - Method for quickly calibrating error of three-phase intelligent electric energy meter - Google Patents

Method for quickly calibrating error of three-phase intelligent electric energy meter Download PDF

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Publication number
CN102338865B
CN102338865B CN 201110164877 CN201110164877A CN102338865B CN 102338865 B CN102338865 B CN 102338865B CN 201110164877 CN201110164877 CN 201110164877 CN 201110164877 A CN201110164877 A CN 201110164877A CN 102338865 B CN102338865 B CN 102338865B
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China
Prior art keywords
energy meter
electric energy
interval
error
phase
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CN 201110164877
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Chinese (zh)
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CN102338865A (en
Inventor
杨光
高宜华
郭援越
洪军
程凌法
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杭州炬华科技股份有限公司
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Priority to CN 201110164877 priority Critical patent/CN102338865B/en
Publication of CN102338865A publication Critical patent/CN102338865A/en
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Publication of CN102338865B publication Critical patent/CN102338865B/en

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Abstract

The invention discloses a method for quickly calibrating the error of a three-phase intelligent electric energy meter. The method comprises the following steps of: applying rated voltage and rated current to a tested electric energy meter so as to make the electric energy meter enter a meter calibrating state; transmitting an instruction by using an upper computer, and reading an actual voltage value and an actual current value of the electric energy meter; setting a calibrating power factor as 1.0, and computing an error value according to standard power of a meter calibrating table and actual power of the electric energy meter; inputting the error value into the tested electric energy meter; setting a phase segmenting factor; computing an interval error value between actual power of each interval and the standard power of the meter calibrating table; and finishing the meter calibrating process. The method for quickly calibrating the error of the three-phase intelligent electric energy meter has the advantages of high efficiency, capability of ensuring product yield and capability of calibrating the meter reliably, safely and quickly.

Description

The error quick calibration method that is used for three-phase intelligent electric-energy meter

Technical field

The present invention relates to a kind of error quick calibration method for three-phase intelligent electric-energy meter.

Technical background

In electric system, various electric energy meters need to be calibrated its electric energy metering error before networking.

All the time, product system test, calibration rest on the inefficient stage, test one by one with the measuring equipment unit, project of every test is changed different software and equipment, and efficient is extremely low, the artificial judgment test result, easily cause erroneous judgement, fail to judge, cause unstable product quality.

Summary of the invention

For the efficient that overcomes prior art is low, shortcoming that can't products quality guarantee the invention provides a kind of efficient high, can ensure product percent of pass, can realize reliable, safety, the error quick calibration method that is used for three-phase intelligent electric-energy meter of calibration fast.

Be used for the error quick calibration method of three-phase intelligent electric-energy meter, comprise the following steps:

1), load rated voltage and rated current for tested electric energy meter, make electric energy meter enter the calibration state;

2), send instructions by under host computer, the actual voltage value of reading power meters and actual current value;

3), high-ranking officers' power factor (PF) is set to 1.0, calculate error amount according to the calibration power of correction platform and the real power of electric energy meter, with the tested electric energy meter of this error amount input, described tested electric energy meter is adjusted to rated voltage and rated current according to this error amount with its actual voltage value and actual current value;

4), obtain the phase error of tested electric energy meter, phase error is divided into the multistage interval, the phase place segment factor is set for each section interval;

5), calculate the real power of tested electric energy meter in each section interval, interval error amount between the calibration power of computation interval real power and correction platform, in the tested electric energy meter of interval error amount input, described tested electric energy meter is adjusted to the standard phase place according to this error amount with its actual phase;

6), the final stage phase error is interval to judge current interval, if, think that calibration completes, withdraw from the calibration state; If not, enter next section phase error interval, repeated execution of steps 5).

The all parameter settings of the present invention all arrange by PC control correction platform and tested electric energy meter.

It is high that the present invention has efficient, can ensure product percent of pass, can realize advantage reliable, safe, quick calibration.

Description of drawings

Fig. 1 is theory diagram of the present invention.

Embodiment

With reference to accompanying drawing, further illustrate the present invention:

Be used for the error quick calibration method of three-phase intelligent electric-energy meter, comprise the following steps:

1), load rated voltage and rated current for tested electric energy meter, make electric energy meter enter the calibration state;

2), send instructions by under host computer, the actual voltage value of reading power meters and actual current value;

3), high-ranking officers' power factor (PF) is set to 1.0, calculate error amount according to the calibration power of correction platform and the real power of electric energy meter, with the tested electric energy meter of this error amount input, described tested electric energy meter is adjusted to rated voltage and rated current according to this error amount with its actual voltage value and actual current value;

4), obtain the phase error of tested electric energy meter, phase error is divided into the multistage interval, the phase place segment factor is set for each section interval;

5), calculate the real power of tested electric energy meter in each section interval, interval error amount between the calibration power of computation interval real power and correction platform, in the tested electric energy meter of interval error amount input, described tested electric energy meter is adjusted to the standard phase place according to this error amount with its actual phase;

6), the final stage phase error is interval to judge current interval, if, think that calibration completes, withdraw from the calibration state; If not, enter next section phase error interval, repeated execution of steps 5).

The all parameter settings of the present invention all arrange by PC control correction platform and tested electric energy meter.

It is high that the present invention has efficient, can ensure product percent of pass, can realize advantage reliable, safe, quick calibration.

The described content of this instructions embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention also reaches conceives the equivalent technologies means that can expect according to the present invention in those skilled in the art.

Claims (1)

1. be used for the error quick calibration method of three-phase intelligent electric-energy meter, comprise the following steps:
1), load rated voltage and rated current for tested electric energy meter, make electric energy meter enter the calibration state;
2), send instructions by under host computer, the actual voltage value of reading power meters and actual current value;
3), high-ranking officers' power factor (PF) is set to 1.0, calculate error amount according to the calibration power of correction platform and the real power of electric energy meter, with the tested electric energy meter of this error amount input, described tested electric energy meter is adjusted to rated voltage and rated current according to this error amount with its actual voltage value and actual current value;
4), obtain the phase error of tested electric energy meter, phase error is divided into the multistage interval, the phase place segment factor is set for each section interval;
5), calculate the real power of tested electric energy meter in each section interval, interval error amount between the calibration power of computation interval real power and correction platform, in the tested electric energy meter of interval error amount input, described tested electric energy meter is adjusted to the standard phase place according to this error amount with its actual phase;
6), the final stage phase error is interval to judge current interval, if, think that calibration completes, withdraw from the calibration state; If not, enter next section phase error interval, repeated execution of steps 5).
CN 201110164877 2011-06-17 2011-06-17 Method for quickly calibrating error of three-phase intelligent electric energy meter CN102338865B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110164877 CN102338865B (en) 2011-06-17 2011-06-17 Method for quickly calibrating error of three-phase intelligent electric energy meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110164877 CN102338865B (en) 2011-06-17 2011-06-17 Method for quickly calibrating error of three-phase intelligent electric energy meter

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CN102338865A CN102338865A (en) 2012-02-01
CN102338865B true CN102338865B (en) 2013-11-06

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102736055B (en) * 2012-06-15 2016-07-13 宁波三星医疗电气股份有限公司 The online test method of the three-phase intelligent ammeter accuracy of measuring
CN103809148B (en) * 2012-11-12 2016-12-21 深圳供电局有限公司 A kind of method and system measuring electric energy meter dynamic characteristic
CN103424728A (en) * 2013-01-10 2013-12-04 万高(杭州)科技有限公司 Method for performing single point correction on electric energy meter gain errors and phase errors
CN103885026B (en) * 2014-03-13 2016-07-13 威胜集团有限公司 Electric energy meter calibrating method
CN103969614B (en) * 2014-04-24 2016-06-22 电子科技大学 A kind of calibration steps of digital multimeter
CN104330764B (en) * 2014-10-16 2017-04-26 深圳供电局有限公司 Electric meter electricity consumption detection device and operation method thereof
CN104297717A (en) * 2014-11-03 2015-01-21 青岛世泽电子仪表有限公司 Electric energy meter correction method and system and electric energy meter
CN105093160B (en) * 2015-07-28 2018-03-20 宁波三星医疗电气股份有限公司 A kind of electric energy meter error segmented compensation method
CN105911505A (en) * 2016-04-12 2016-08-31 广东工业大学 Smart meter testing method
CN106154206A (en) * 2016-06-20 2016-11-23 华立科技股份有限公司 Electric energy meter error bearing calibration
CN107422292A (en) * 2017-04-10 2017-12-01 华立科技股份有限公司 Correction method for intelligent electric meter

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101086511A (en) * 2007-06-12 2007-12-12 北京中星微电子有限公司 Power revision circuit in electrical energy metering and power revision method
CN101149425A (en) * 2007-10-29 2008-03-26 哈尔滨电工仪表研究所 Electronic electric energy meter debugging, checkout automated system
CN101153900A (en) * 2006-09-30 2008-04-02 深圳市科陆电子科技股份有限公司 Calibration method and system for electric energy meter
CN101251585A (en) * 2008-03-26 2008-08-27 武汉国测科技股份有限公司 Method and apparatus for checking global error of high voltage energy metering installation
CN101592717A (en) * 2009-06-30 2009-12-02 深圳市科陆电子科技股份有限公司 The method of automatically calibrating electrical instrument and system thereof
CN101634695A (en) * 2009-06-12 2010-01-27 深圳市科陆电子科技股份有限公司 Method and device for calibrating power source
CN201444193U (en) * 2009-05-27 2010-04-28 辽宁省电力有限公司鞍山供电公司 Comprehensive error detection device used for digital electric energy measuring device
CN101718819A (en) * 2009-11-06 2010-06-02 深圳市科陆电子科技股份有限公司 Batch automatic terminal event testing method and system thereof
CN101876693A (en) * 2010-06-09 2010-11-03 合肥工业大学 Electric energy metering chip-based terminal calibration system
CN101907696A (en) * 2010-06-08 2010-12-08 华立仪表集团股份有限公司 Electric energy meter production detecting system and method
CN101915903A (en) * 2010-09-08 2010-12-15 珠海中慧微电子有限公司 Power meter calibrating system and power meter calibrating method for intelligent electric meter

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101153900A (en) * 2006-09-30 2008-04-02 深圳市科陆电子科技股份有限公司 Calibration method and system for electric energy meter
CN101086511A (en) * 2007-06-12 2007-12-12 北京中星微电子有限公司 Power revision circuit in electrical energy metering and power revision method
CN101149425A (en) * 2007-10-29 2008-03-26 哈尔滨电工仪表研究所 Electronic electric energy meter debugging, checkout automated system
CN101251585A (en) * 2008-03-26 2008-08-27 武汉国测科技股份有限公司 Method and apparatus for checking global error of high voltage energy metering installation
CN201444193U (en) * 2009-05-27 2010-04-28 辽宁省电力有限公司鞍山供电公司 Comprehensive error detection device used for digital electric energy measuring device
CN101634695A (en) * 2009-06-12 2010-01-27 深圳市科陆电子科技股份有限公司 Method and device for calibrating power source
CN101592717A (en) * 2009-06-30 2009-12-02 深圳市科陆电子科技股份有限公司 The method of automatically calibrating electrical instrument and system thereof
CN101718819A (en) * 2009-11-06 2010-06-02 深圳市科陆电子科技股份有限公司 Batch automatic terminal event testing method and system thereof
CN101907696A (en) * 2010-06-08 2010-12-08 华立仪表集团股份有限公司 Electric energy meter production detecting system and method
CN101876693A (en) * 2010-06-09 2010-11-03 合肥工业大学 Electric energy metering chip-based terminal calibration system
CN101915903A (en) * 2010-09-08 2010-12-15 珠海中慧微电子有限公司 Power meter calibrating system and power meter calibrating method for intelligent electric meter

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Address after: 310030 No. 9 Longtan Road, front street, Yuhang District, Zhejiang, Hangzhou

Patentee after: Hangzhou Sunrise Technology Co., Ltd.

Address before: Hangzhou City, Zhejiang province 310030 West Lake science and Technology Park West eight road No. 2 Yinjiang Software Park building C

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