CN202083792U - 台损校对仪 - Google Patents

台损校对仪 Download PDF

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Publication number
CN202083792U
CN202083792U CN201120189292XU CN201120189292U CN202083792U CN 202083792 U CN202083792 U CN 202083792U CN 201120189292X U CN201120189292X U CN 201120189292XU CN 201120189292 U CN201120189292 U CN 201120189292U CN 202083792 U CN202083792 U CN 202083792U
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China
Prior art keywords
energy meter
calibration instrument
electric energy
unit loss
loss calibration
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Expired - Fee Related
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CN201120189292XU
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English (en)
Inventor
徐梅根
刘伟平
朱志荣
张娉娉
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State Grid Corp of China SGCC
State Grid Jiangxi Electric Power Co Ltd
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Jiangxi Ganxi Power Supply Co
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Abstract

本实用新型提供一种台损校对仪,其特征在于,它由三台钳形电流互感器和一台三相有功电能表组成,三台钳形电流互感器分别与三相有功电能表的三个电流接点连接。它的效果在于:1、不需停电作业;2、操作方便、快捷、作业效率高;3、通过本装置可很快确定分路中的非正常损耗;4、装置制作简单,携带方便,经济实用。

Description

台损校对仪
技术领域:本实用新型涉及一种对配电变压器中电能表及电路损耗校验的装置,特别是一种台损校对仪。
背景技术:现有对配电变压器中电能表及电路损耗进行校验,主要是采用对整条线路进行停电并将电能表拆下送到检测部门进行检测校验或采用专门仪器到现场进行对电能表拆开后进行检测校验。该种对配电变压器电能表及电路损耗进行校验的方式在使用中存在的不足是:1、需停电作业,这不仅会使受电单位、企业或居民区的作业、生产、生活等受到影响,而且对输电单位本身的生产效益也产生负面影响;2、工作量大、作业时间长、校验作业效率低;3、有些线路的非正常损耗(如他人窃电)无法通过校验电能表的准确与否来确定。
发明内容:本实用新型的目的在于,针对现有对配电变压器中电能表及电路损耗进行校验的方式在使用中存在的不足,而提出一种在检测中配电变压器不需停电,可方便、快捷对配电变压器中电能表及电路损耗进行检测的台损校对仪。
通过下述技术方案可实现本实用新型的目的,一种台损校对仪,其特征在于,它由三台钳形电流互感器和一台三相有功电能表组成,三台钳形电流互感器分别与三相有功电能表的三个电流接点连接。
钳形电流互感器的变比参数为100-500/5。
有功三相电能表中电流互感器的变比参数为5/5或5/2.5。
本实用新型的效果在于:1、不需停电作业,这不仅使受电单位、企业或居民区的作业、生产、生活等不会受到影响,而且对输电单位本身的生产效益也不产生负面影响,这主要在于,本装置中设了三台钳形电流互感器,它们分别卡在线路上,在配电变压器带电的情况下即可对其电能表及电路进行台损检测;2、操作方便、快捷、作业效率高,作业时,仅需将三台钳形电流互感器分别卡在线路上,并将三相有功电能表中的读数与所检测电能表的读数对比,即可校验;3、若线路中的某一支路有非正常损耗(如他人窃电),通过本装置也可很快确定;4、装置制作简单,携带方便,经济实用。
下面结合实施例及附图对本实用新型进一步阐述:
附图说明:
附图1为本实用新型的简易电路结构示意图。
具体实施方式:
参见附图1、一种台损校对仪,它由三台钳形电流互感器1和一台三相有功电能表2组成,三台钳形电流互感器1分别与三相有功电能表2的三个电流接点连接。三相有功电能表2的三个电压接点分别引出三根导线。钳形电流互感器的变比参数为100-500/5。有功三相电能表中电流互感器的变比参数为5/5或5/2.5。

Claims (3)

1.一种台损校对仪,其特征在于,它由三台钳形电流互感器和一台三相有功电能表组成,三台钳形电流互感器分别与三相有功电能表的三个电流接点连接。
2.按权利要求1所述的台损校对仪,其特征在于,钳形电流互感器的变比参数为100-500/5。
3.按权利要求1或2所述的台损校对仪,其特征在于,有功三相电能表中电流互感器的变比参数为5/5或5/2.5。
CN201120189292XU 2011-06-03 2011-06-03 台损校对仪 Expired - Fee Related CN202083792U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120189292XU CN202083792U (zh) 2011-06-03 2011-06-03 台损校对仪

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120189292XU CN202083792U (zh) 2011-06-03 2011-06-03 台损校对仪

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CN202083792U true CN202083792U (zh) 2011-12-21

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Owner name: STATE GRID CORPORATION OF CHINA

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Effective date: 20141023

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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

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Patentee after: GANXI POWER SUPPLY BRANCH, STATE GRID JIANGXI ELECTRIC POWER CO., LTD.

Address before: 338000 No. 279 Shengli North Road, Jiangxi, Xinyu

Patentee before: JIANGXI GANXI POWER SUPPLY COMPANY

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Granted publication date: 20111221

Termination date: 20180603

CF01 Termination of patent right due to non-payment of annual fee