CN201569736U - Watt-hour meter calibration device - Google Patents
Watt-hour meter calibration device Download PDFInfo
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- CN201569736U CN201569736U CN2009202780619U CN200920278061U CN201569736U CN 201569736 U CN201569736 U CN 201569736U CN 2009202780619 U CN2009202780619 U CN 2009202780619U CN 200920278061 U CN200920278061 U CN 200920278061U CN 201569736 U CN201569736 U CN 201569736U
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CN2009202780619U CN201569736U (en) | 2009-12-11 | 2009-12-11 | Watt-hour meter calibration device |
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CN2009202780619U CN201569736U (en) | 2009-12-11 | 2009-12-11 | Watt-hour meter calibration device |
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CN201569736U true CN201569736U (en) | 2010-09-01 |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102621514A (en) * | 2012-03-31 | 2012-08-01 | 哈尔滨工业大学 | Electronic transformer verifying device |
CN101718856B (en) * | 2009-12-11 | 2012-12-26 | 中国电力科学研究院 | Calibration system of digital quantity input type electric energy meter |
CN102944774A (en) * | 2012-10-30 | 2013-02-27 | 上海晟东电力科技有限公司 | Automatic correction device and correction method for precision of analog quantity of power distribution terminal |
CN103064053A (en) * | 2012-12-14 | 2013-04-24 | 中国电力科学研究院 | Online calibration device of digital quantity input type electric energy meter |
CN103091552A (en) * | 2011-10-31 | 2013-05-08 | 无锡华润矽科微电子有限公司 | Pre-calibrated electric energy metering circuit and calibration method |
CN103336264A (en) * | 2013-06-07 | 2013-10-02 | 国家电网公司 | Digital electric energy meter quantity value tracing system based on analog quantity detection and digital electric energy meter quantity value tracing method based analog quantity detection |
CN103901389A (en) * | 2014-04-09 | 2014-07-02 | 国家电网公司 | Verifying device and method of analog electric signal electric energy meter, analog electronic signal electric energy meter and digital signal electric energy meter |
CN105301551A (en) * | 2015-10-29 | 2016-02-03 | 国网上海市电力公司 | Watt-hour meter calibration device and method outputting current under 1mA |
CN106405479A (en) * | 2016-10-21 | 2017-02-15 | 中国电力科学研究院 | Intelligent junction box used for gateway electric energy meter field inspection and inspection method thereof |
CN108445440A (en) * | 2018-06-19 | 2018-08-24 | 国网山西省电力公司计量中心 | Dynamic distortion load power source with analog quantity and digital quantity doubleway output |
CN108877187A (en) * | 2017-12-29 | 2018-11-23 | 国网山东省电力公司嘉祥县供电公司 | A kind of intelligent electric energy meter metrical information acquisition method and system |
CN111445685A (en) * | 2020-04-29 | 2020-07-24 | 国网上海市电力公司 | Function detection device and method for electricity consumption information acquisition terminal |
CN112305487A (en) * | 2020-09-21 | 2021-02-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Laboratory error calibration system and method for digital direct current electric energy meter |
CN117110968A (en) * | 2023-10-17 | 2023-11-24 | 广东省计量科学研究院(华南国家计量测试中心) | Welding current measuring instrument calibration system based on transformer |
CN117129931A (en) * | 2023-10-17 | 2023-11-28 | 广东省计量科学研究院(华南国家计量测试中心) | Welding current measuring instrument calibration system for simulating welding electric parameters |
-
2009
- 2009-12-11 CN CN2009202780619U patent/CN201569736U/en not_active Expired - Lifetime
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101718856B (en) * | 2009-12-11 | 2012-12-26 | 中国电力科学研究院 | Calibration system of digital quantity input type electric energy meter |
CN103091552A (en) * | 2011-10-31 | 2013-05-08 | 无锡华润矽科微电子有限公司 | Pre-calibrated electric energy metering circuit and calibration method |
CN103091552B (en) * | 2011-10-31 | 2015-12-02 | 无锡华润矽科微电子有限公司 | Pre-calibrated electric energy metering circuit and calibration steps |
CN102621514A (en) * | 2012-03-31 | 2012-08-01 | 哈尔滨工业大学 | Electronic transformer verifying device |
CN102621514B (en) * | 2012-03-31 | 2014-05-07 | 哈尔滨工业大学 | Electronic transformer verifying device |
CN102944774A (en) * | 2012-10-30 | 2013-02-27 | 上海晟东电力科技有限公司 | Automatic correction device and correction method for precision of analog quantity of power distribution terminal |
CN103064053A (en) * | 2012-12-14 | 2013-04-24 | 中国电力科学研究院 | Online calibration device of digital quantity input type electric energy meter |
CN103336264A (en) * | 2013-06-07 | 2013-10-02 | 国家电网公司 | Digital electric energy meter quantity value tracing system based on analog quantity detection and digital electric energy meter quantity value tracing method based analog quantity detection |
CN103336264B (en) * | 2013-06-07 | 2015-04-01 | 国家电网公司 | Digital electric energy meter quantity value tracing system based on analog quantity detection and digital electric energy meter quantity value tracing method based analog quantity detection |
CN103901389A (en) * | 2014-04-09 | 2014-07-02 | 国家电网公司 | Verifying device and method of analog electric signal electric energy meter, analog electronic signal electric energy meter and digital signal electric energy meter |
CN105301551A (en) * | 2015-10-29 | 2016-02-03 | 国网上海市电力公司 | Watt-hour meter calibration device and method outputting current under 1mA |
CN106405479A (en) * | 2016-10-21 | 2017-02-15 | 中国电力科学研究院 | Intelligent junction box used for gateway electric energy meter field inspection and inspection method thereof |
CN108877187A (en) * | 2017-12-29 | 2018-11-23 | 国网山东省电力公司嘉祥县供电公司 | A kind of intelligent electric energy meter metrical information acquisition method and system |
CN108877187B (en) * | 2017-12-29 | 2019-12-27 | 国网山东省电力公司嘉祥县供电公司 | Intelligent electric energy meter metering information acquisition method and system |
CN108445440A (en) * | 2018-06-19 | 2018-08-24 | 国网山西省电力公司计量中心 | Dynamic distortion load power source with analog quantity and digital quantity doubleway output |
CN111445685A (en) * | 2020-04-29 | 2020-07-24 | 国网上海市电力公司 | Function detection device and method for electricity consumption information acquisition terminal |
CN111445685B (en) * | 2020-04-29 | 2024-03-22 | 国网上海市电力公司 | Power consumption information acquisition terminal function detection device and method thereof |
CN112305487A (en) * | 2020-09-21 | 2021-02-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Laboratory error calibration system and method for digital direct current electric energy meter |
CN117110968A (en) * | 2023-10-17 | 2023-11-24 | 广东省计量科学研究院(华南国家计量测试中心) | Welding current measuring instrument calibration system based on transformer |
CN117129931A (en) * | 2023-10-17 | 2023-11-28 | 广东省计量科学研究院(华南国家计量测试中心) | Welding current measuring instrument calibration system for simulating welding electric parameters |
CN117129931B (en) * | 2023-10-17 | 2023-12-19 | 广东省计量科学研究院(华南国家计量测试中心) | Welding current measuring instrument calibration system for simulating welding electric parameters |
CN117110968B (en) * | 2023-10-17 | 2024-03-19 | 广东省计量科学研究院(华南国家计量测试中心) | Welding current measuring instrument calibration system based on transformer |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140326 Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140326 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
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TR01 | Transfer of patent right |
Effective date of registration: 20140326 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100901 |