CN100444492C - 微机型电流互感器保护装置 - Google Patents
微机型电流互感器保护装置 Download PDFInfo
- Publication number
- CN100444492C CN100444492C CNB2006100383432A CN200610038343A CN100444492C CN 100444492 C CN100444492 C CN 100444492C CN B2006100383432 A CNB2006100383432 A CN B2006100383432A CN 200610038343 A CN200610038343 A CN 200610038343A CN 100444492 C CN100444492 C CN 100444492C
- Authority
- CN
- China
- Prior art keywords
- circuit
- voltage
- mutual inductor
- output
- primary side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100383432A CN100444492C (zh) | 2006-02-17 | 2006-02-17 | 微机型电流互感器保护装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100383432A CN100444492C (zh) | 2006-02-17 | 2006-02-17 | 微机型电流互感器保护装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1819388A CN1819388A (zh) | 2006-08-16 |
CN100444492C true CN100444492C (zh) | 2008-12-17 |
Family
ID=36919143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100383432A Active CN100444492C (zh) | 2006-02-17 | 2006-02-17 | 微机型电流互感器保护装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100444492C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103036200B (zh) * | 2011-09-29 | 2016-07-06 | 深圳市华力特电气股份有限公司 | 一种非电量保护重动继电器的控制电路及控制方法 |
CN102709901B (zh) * | 2012-06-14 | 2016-06-01 | 北京恒源利通电力技术有限公司 | 电流互感器过压保护方法和装置 |
CN102751714B (zh) * | 2012-07-06 | 2015-03-18 | 三一重工股份有限公司 | 过压保护电路及电流采样装置 |
CN103399181B (zh) * | 2013-08-02 | 2016-03-16 | 甘肃电器科学研究院 | 微机保护装置 |
CN104332951B (zh) * | 2014-11-11 | 2018-04-03 | 国家电网公司 | 电流互感器二次侧开路保护*** |
CN104614569B (zh) * | 2015-01-05 | 2017-05-24 | 湖南工业大学 | 一种自适应变送器电流平均值装置和实现方法 |
CN105186679A (zh) * | 2015-09-06 | 2015-12-23 | 国家电网公司 | 一种多回路备用电源自动投切装置 |
CN107809108A (zh) * | 2017-12-12 | 2018-03-16 | 福建星海通信科技有限公司 | 一种车载终端的保护电路 |
CN112730974A (zh) * | 2020-12-28 | 2021-04-30 | 无锡尼尔维斯电气***有限公司 | 多回路电能监测***及安装该电能监测***的采集箱 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10164748A (ja) * | 1996-11-26 | 1998-06-19 | Sansha Electric Mfg Co Ltd | 変流器の過電圧保護回路 |
JPH11205998A (ja) * | 1998-01-06 | 1999-07-30 | Mitsubishi Electric Corp | 変流器二次側回路の開路保護装置 |
CN2602531Y (zh) * | 2000-05-11 | 2004-02-04 | 铁道部第四勘测设计院 | 电流互感器二次侧开路保护器 |
CN2667764Y (zh) * | 2003-11-21 | 2004-12-29 | 温成维 | 电流互感器过电压保护器 |
CN1617408A (zh) * | 2003-11-12 | 2005-05-18 | 长春华瑞电力自动化设备有限公司 | 防止互感器二次回路开路的装置 |
US20050201033A1 (en) * | 2004-03-09 | 2005-09-15 | Samsung Measuring Instruments Co., Ltd. | Apparatus for monitoring open state of the secondary terminals of a current transformer |
-
2006
- 2006-02-17 CN CNB2006100383432A patent/CN100444492C/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10164748A (ja) * | 1996-11-26 | 1998-06-19 | Sansha Electric Mfg Co Ltd | 変流器の過電圧保護回路 |
JPH11205998A (ja) * | 1998-01-06 | 1999-07-30 | Mitsubishi Electric Corp | 変流器二次側回路の開路保護装置 |
CN2602531Y (zh) * | 2000-05-11 | 2004-02-04 | 铁道部第四勘测设计院 | 电流互感器二次侧开路保护器 |
CN1617408A (zh) * | 2003-11-12 | 2005-05-18 | 长春华瑞电力自动化设备有限公司 | 防止互感器二次回路开路的装置 |
CN2667764Y (zh) * | 2003-11-21 | 2004-12-29 | 温成维 | 电流互感器过电压保护器 |
US20050201033A1 (en) * | 2004-03-09 | 2005-09-15 | Samsung Measuring Instruments Co., Ltd. | Apparatus for monitoring open state of the secondary terminals of a current transformer |
Also Published As
Publication number | Publication date |
---|---|
CN1819388A (zh) | 2006-08-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100444492C (zh) | 微机型电流互感器保护装置 | |
CN101957413B (zh) | 一种继电保护装置检测电路 | |
CN102403694A (zh) | 带励磁涌流抑制及开关参数检测的变压器保护方法及装置 | |
CN103501046A (zh) | 一种基于变电站测控装置的在线防误操作语音报警*** | |
CN202856607U (zh) | 控制电路和开关变换器 | |
CN205862575U (zh) | 一种用于多表集抄的通讯装置 | |
CN103576544B (zh) | 一种具有otg功能的终端 | |
CN102148529B (zh) | 向断路器控制单元智能供电的控制装置及其控制方法 | |
CN108306254A (zh) | 一种隔离保护电路及包含该电路的开关电源 | |
CN115825638B (zh) | 一种配电网单相接地故障综合判断***及方法 | |
CN201812008U (zh) | 一种继电保护装置检测电路 | |
CN106953297A (zh) | 一种保护电路 | |
CN215728409U (zh) | 一种带隔离过滤的宽电压输入信号监测电路 | |
CN102590591A (zh) | 监测电流互感器状态的检测电路 | |
CN102496909B (zh) | 保护值和动作时间多档可调的简易漏电保护装置 | |
CN220525920U (zh) | 一种无源隔离式开关量检测电路 | |
CN202486236U (zh) | 监测电流互感器状态的检测电路 | |
CN209356592U (zh) | 用于电力自动化设备的工频抗扰度测试仪 | |
CN208272608U (zh) | 过流保护继电器电路及过流保护继电器 | |
CN207399162U (zh) | 智能开关 | |
CN208571589U (zh) | 开关电源轻载短路保护电路 | |
CN209308939U (zh) | 一种智能消防泵控制器 | |
CN209642308U (zh) | 一种开关电源短路保护电路 | |
CN211880086U (zh) | 一种小型电机保护器 | |
CN218102557U (zh) | 一种抗干扰继电保护装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: JIANGSU NENGJIAN ELECTRICAL AND INDUSTRIAL GROUP C Free format text: FORMER NAME: NENGJIAN ELECTROMECHANIC INDUSTRY CO., LTD., JIANGSU |
|
CP01 | Change in the name or title of a patent holder |
Address after: 225327 No. 8 South Yongan Road, high port area, Jiangsu, Taizhou Patentee after: JIANGSU NENGJIAN ELECTROMECHANICAL INDUSTRIAL CO., LTD. Address before: 225327 No. 8 South Yongan Road, high port area, Jiangsu, Taizhou Patentee before: Nengjian Electromechanic Industry Co., Ltd., Jiangsu |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20060816 Assignee: Xinjiang Zijing Optical-Electrical Technology Co., Ltd. Assignor: JIANGSU NENGJIAN ELECTROMECHANICAL INDUSTRIAL CO., LTD. Contract record no.: 2014650000029 Denomination of invention: Microcomputer protector of current mutual inductor Granted publication date: 20081217 License type: Exclusive License Record date: 20140827 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |