CN105425199B - 一种电能表直流偶次谐波影响实验的装置及方法 - Google Patents
一种电能表直流偶次谐波影响实验的装置及方法 Download PDFInfo
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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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CN110187298A (zh) * | 2019-05-30 | 2019-08-30 | 海盐星创电子有限公司 | 一种电流回路的电子负载自动匹配系统及其匹配方法 |
CN111289943A (zh) * | 2020-02-28 | 2020-06-16 | 深圳市科陆精密仪器有限公司 | 一种电能表的检定方法和系统 |
Citations (6)
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---|---|---|---|---|
US4843306A (en) * | 1987-09-21 | 1989-06-27 | Landis & Gyr Metering, Inc. | Replaceable resistors for calibrating a watthour meter |
CN102156273A (zh) * | 2011-04-20 | 2011-08-17 | 郑州万特电气有限公司 | 用于误差试验及直流和偶次谐波试验的电能表检定电路 |
CN103439543A (zh) * | 2013-08-30 | 2013-12-11 | 郑州三晖电气股份有限公司 | 实现电流直流偶次谐波、次谐波、奇次谐波的装置和方法 |
CN103675749A (zh) * | 2013-11-14 | 2014-03-26 | 国家电网公司 | 电能表直流与偶次谐波状态下性能检测装置 |
CN204228946U (zh) * | 2014-10-31 | 2015-03-25 | 国家电网公司 | 一种电能表误差检定装置 |
CN104569904A (zh) * | 2014-12-19 | 2015-04-29 | 浙江万胜电力仪表有限公司 | 一种测试电能表的直流及偶次谐波影响量的试验装置 |
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- 2015-11-27 CN CN201510856097.0A patent/CN105425199B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4843306A (en) * | 1987-09-21 | 1989-06-27 | Landis & Gyr Metering, Inc. | Replaceable resistors for calibrating a watthour meter |
CN102156273A (zh) * | 2011-04-20 | 2011-08-17 | 郑州万特电气有限公司 | 用于误差试验及直流和偶次谐波试验的电能表检定电路 |
CN103439543A (zh) * | 2013-08-30 | 2013-12-11 | 郑州三晖电气股份有限公司 | 实现电流直流偶次谐波、次谐波、奇次谐波的装置和方法 |
CN103675749A (zh) * | 2013-11-14 | 2014-03-26 | 国家电网公司 | 电能表直流与偶次谐波状态下性能检测装置 |
CN204228946U (zh) * | 2014-10-31 | 2015-03-25 | 国家电网公司 | 一种电能表误差检定装置 |
CN104569904A (zh) * | 2014-12-19 | 2015-04-29 | 浙江万胜电力仪表有限公司 | 一种测试电能表的直流及偶次谐波影响量的试验装置 |
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