CN103762557B - 电流互感器的防开路保护方法 - Google Patents
电流互感器的防开路保护方法 Download PDFInfo
- Publication number
- CN103762557B CN103762557B CN201410001294.XA CN201410001294A CN103762557B CN 103762557 B CN103762557 B CN 103762557B CN 201410001294 A CN201410001294 A CN 201410001294A CN 103762557 B CN103762557 B CN 103762557B
- Authority
- CN
- China
- Prior art keywords
- circuit
- chip
- current
- control
- open
- 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
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 40
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 230000001012 protector Effects 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410001294.XA CN103762557B (zh) | 2014-01-03 | 2014-01-03 | 电流互感器的防开路保护方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410001294.XA CN103762557B (zh) | 2014-01-03 | 2014-01-03 | 电流互感器的防开路保护方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103762557A CN103762557A (zh) | 2014-04-30 |
CN103762557B true CN103762557B (zh) | 2016-08-17 |
Family
ID=50529747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410001294.XA Active CN103762557B (zh) | 2014-01-03 | 2014-01-03 | 电流互感器的防开路保护方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103762557B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3047084B1 (fr) * | 2016-01-22 | 2018-02-16 | Safran Electrical & Power | Dispositif de mesure du courant protege contre les surtensions en cas d'ouverture du circuit |
CN110262297B (zh) * | 2018-09-21 | 2020-10-02 | 宁德时代新能源科技股份有限公司 | 继电器控制装置及供电系统 |
CN112134254A (zh) * | 2020-09-17 | 2020-12-25 | 许继电源有限公司 | 支持热插拔防开路采样保护回路、方法及谐波补偿装置 |
CN112946552A (zh) * | 2021-01-29 | 2021-06-11 | 许继集团有限公司 | 一种电流互感器二次侧断线检测方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4521822A (en) * | 1981-03-03 | 1985-06-04 | Hydro-Quebec | Current transformer protection device |
CN201966586U (zh) * | 2011-03-22 | 2011-09-07 | 山东电科四维电气股份有限公司 | 一种电流互感器过电压保护电路 |
CN202616758U (zh) * | 2012-06-14 | 2012-12-19 | 北京恒源利通电力技术有限公司 | 电流互感器过压保护装置 |
-
2014
- 2014-01-03 CN CN201410001294.XA patent/CN103762557B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4521822A (en) * | 1981-03-03 | 1985-06-04 | Hydro-Quebec | Current transformer protection device |
CN201966586U (zh) * | 2011-03-22 | 2011-09-07 | 山东电科四维电气股份有限公司 | 一种电流互感器过电压保护电路 |
CN202616758U (zh) * | 2012-06-14 | 2012-12-19 | 北京恒源利通电力技术有限公司 | 电流互感器过压保护装置 |
Non-Patent Citations (1)
Title |
---|
利用钳形电流表检查电流互感器二次开路;柴建昌;《农村电工》;19960531(第5期);37 * |
Also Published As
Publication number | Publication date |
---|---|
CN103762557A (zh) | 2014-04-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103475271B (zh) | 一种光伏发电系统及其控制方法 | |
CN103124068B (zh) | 一种分布式发电并网系统防孤岛保护系统及其保护方法 | |
CN104251959A (zh) | 一种用于检测和定位配电网单相接地故障的方法及装置 | |
CN103762557B (zh) | 电流互感器的防开路保护方法 | |
CN202940564U (zh) | 三相漏电断路器 | |
CN201210614Y (zh) | 剩余电流控制监测保护器 | |
CN103887660B (zh) | 三极与二极可相互切换的漏电保护插头 | |
CN201178294Y (zh) | 复合型配网自动化装置 | |
CN203774759U (zh) | 变压器中性点直流电流抑制装置 | |
CN203826704U (zh) | 三极与二极可相互切换的漏电保护插头 | |
CN205141289U (zh) | 可转换地线保护模式的漏电保护插头 | |
CN202190057U (zh) | 发电机接地保护装置 | |
CN201243193Y (zh) | 低压电网剩余电流控制监测式保护器 | |
CN106026017B (zh) | 一种具有过电压保护和欠电压保护的漏电断路器 | |
CN204927704U (zh) | 一种可转换地线保护模式的漏电保护插头 | |
CN204177865U (zh) | 一种具有漏电检测功能的计量电度表 | |
CN203911463U (zh) | 中性点经消弧线圈接地系统配电网单相接地线路保护装置 | |
CN204068225U (zh) | 智能配电网自愈控制系统 | |
CN105277854A (zh) | 一种避雷器接地指示器及避雷器接地指示方法 | |
CN102654572A (zh) | 智能电能表信号控制端子延迟输出时间测试方法 | |
CN2924779Y (zh) | 具有过压欠压保护功能的断路开关 | |
CN205141288U (zh) | 一种可转换地线保护模式的漏电保护插头 | |
CN201877795U (zh) | 定时限流保护电路 | |
CN205141287U (zh) | 一种能转换地线保护模式的漏电保护插头 | |
CN205195233U (zh) | 一种漏电保护装置 |
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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Open circuit protection method of current transformer Effective date of registration: 20220518 Granted publication date: 20160817 Pledgee: Leshang Bank Co.,Ltd. Rizhao Branch Pledgor: SHANDONG HUAXIN ELECTRIC Co.,Ltd. Registration number: Y2022980005902 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220823 Granted publication date: 20160817 Pledgee: Leshang Bank Co.,Ltd. Rizhao Branch Pledgor: SHANDONG HUAXIN ELECTRIC Co.,Ltd. Registration number: Y2022980005902 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Anti open circuit protection method for current transformers Granted publication date: 20160817 Pledgee: Rizhao Bank Co.,Ltd. Rizhao High tech Sub branch Pledgor: SHANDONG HUAXIN ELECTRIC Co.,Ltd. Registration number: Y2024980013085 |