CN101800414A - 变压器短路故障中判别低电压及其保护方法 - Google Patents
变压器短路故障中判别低电压及其保护方法 Download PDFInfo
- Publication number
- CN101800414A CN101800414A CN 201010130328 CN201010130328A CN101800414A CN 101800414 A CN101800414 A CN 101800414A CN 201010130328 CN201010130328 CN 201010130328 CN 201010130328 A CN201010130328 A CN 201010130328A CN 101800414 A CN101800414 A CN 101800414A
- Authority
- CN
- China
- Prior art keywords
- voltage
- low
- transformer
- criterion
- phase
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000001012 protector Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 abstract description 23
- 230000007935 neutral effect Effects 0.000 abstract description 8
- 230000016507 interphase Effects 0.000 abstract 1
- 230000007257 malfunction Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010130328 CN101800414B (zh) | 2010-03-23 | 2010-03-23 | 变压器短路故障中判别低电压及其保护方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010130328 CN101800414B (zh) | 2010-03-23 | 2010-03-23 | 变压器短路故障中判别低电压及其保护方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101800414A true CN101800414A (zh) | 2010-08-11 |
CN101800414B CN101800414B (zh) | 2012-08-15 |
Family
ID=42595966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201010130328 Expired - Fee Related CN101800414B (zh) | 2010-03-23 | 2010-03-23 | 变压器短路故障中判别低电压及其保护方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101800414B (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103872645A (zh) * | 2014-03-27 | 2014-06-18 | 天津大学 | 六相输电系统中的变压器后备保护方法 |
CN103926451A (zh) * | 2014-04-29 | 2014-07-16 | 武汉大学 | 中性点不接地系统中动态电压恢复器参考电压提取方法 |
CN104852361A (zh) * | 2015-04-20 | 2015-08-19 | 平高集团有限公司 | 配电网故障切除加速方法和继电保护装置 |
CN105826905A (zh) * | 2016-04-22 | 2016-08-03 | 国网北京市电力公司 | 电动汽车充电站的过电流保护方法和装置 |
CN115313365A (zh) * | 2022-08-04 | 2022-11-08 | 国网湖北省电力有限公司电力科学研究院 | 一种配电网后备保护方法及装置 |
US11728639B2 (en) | 2020-11-12 | 2023-08-15 | Delta Electronics (Shanghai) Co., Ltd. | Transformer short-circuit protection method and transformer short-circuit protection device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5010462A (zh) * | 1973-06-04 | 1975-02-03 | ||
CN2689555Y (zh) * | 2004-02-13 | 2005-03-30 | 浙江大学 | 防止多分支变压器差动保护误动的分相制动装置 |
-
2010
- 2010-03-23 CN CN 201010130328 patent/CN101800414B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5010462A (zh) * | 1973-06-04 | 1975-02-03 | ||
CN2689555Y (zh) * | 2004-02-13 | 2005-03-30 | 浙江大学 | 防止多分支变压器差动保护误动的分相制动装置 |
Non-Patent Citations (1)
Title |
---|
《吉林电力》 20041031 郭淼 相间短路时双绕组变压器后备保护动作的分析 31-33,36 1-8 , 第5期 2 * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103872645A (zh) * | 2014-03-27 | 2014-06-18 | 天津大学 | 六相输电系统中的变压器后备保护方法 |
CN103872645B (zh) * | 2014-03-27 | 2016-07-06 | 天津大学 | 六相输电系统中的变压器后备保护方法 |
CN103926451A (zh) * | 2014-04-29 | 2014-07-16 | 武汉大学 | 中性点不接地系统中动态电压恢复器参考电压提取方法 |
CN103926451B (zh) * | 2014-04-29 | 2016-03-16 | 武汉大学 | 中性点不接地系统中动态电压恢复器参考电压提取方法 |
CN104852361A (zh) * | 2015-04-20 | 2015-08-19 | 平高集团有限公司 | 配电网故障切除加速方法和继电保护装置 |
CN104852361B (zh) * | 2015-04-20 | 2018-07-20 | 平高集团有限公司 | 配电网故障切除加速方法和继电保护装置 |
CN105826905A (zh) * | 2016-04-22 | 2016-08-03 | 国网北京市电力公司 | 电动汽车充电站的过电流保护方法和装置 |
CN105826905B (zh) * | 2016-04-22 | 2018-11-09 | 国网北京市电力公司 | 电动汽车充电站的过电流保护方法和装置 |
US11728639B2 (en) | 2020-11-12 | 2023-08-15 | Delta Electronics (Shanghai) Co., Ltd. | Transformer short-circuit protection method and transformer short-circuit protection device |
CN115313365A (zh) * | 2022-08-04 | 2022-11-08 | 国网湖北省电力有限公司电力科学研究院 | 一种配电网后备保护方法及装置 |
CN115313365B (zh) * | 2022-08-04 | 2024-04-26 | 国网湖北省电力有限公司电力科学研究院 | 一种配电网后备保护方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101800414B (zh) | 2012-08-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Walling et al. | Summary of distributed resources impact on power delivery systems | |
Novosel et al. | IEEE PSRC report on performance of relaying during wide-area stressed conditions | |
EP2602893B1 (en) | Power system protection | |
US10333291B2 (en) | Multiple generator ground fault detection | |
Shi et al. | The comparison and analysis for loss of excitation protection schemes in generator protection | |
CN101800414B (zh) | 变压器短路故障中判别低电压及其保护方法 | |
US20130250458A1 (en) | Leveraging inherent redundancy in a multifunction ied | |
CN103762554B (zh) | 三相三绕组变压器分侧绕组故障检测方法 | |
Lee et al. | A study on wind-turbine generator system sizing considering overcurrent relay coordination with SFCL | |
CN106340863B (zh) | 一种自适应瞬时电流速断的保护方法 | |
CN101227085A (zh) | 确保距离保护后备段不受过负荷影响的方法 | |
Valdes et al. | Advances in protective device interlocking for improved protection and selectivity | |
Nagpal et al. | Dispersed generation interconnection-utility perspective | |
CN104852361A (zh) | 配电网故障切除加速方法和继电保护装置 | |
CN108631264B (zh) | 可变速抽水发电系统以及可变速抽水发电方法 | |
Aaqib et al. | Protection schemes for low voltage DC networks | |
EP2744062B1 (en) | A subsea system with ride-through protection | |
RU2513032C1 (ru) | Способ защиты ячеек комплексных распределительных устройств от дуговых замыканий | |
CN105098736A (zh) | 一种带出线电抗器的母联保护方法 | |
Malmedal et al. | Application of out-of-step relaying for small generators in distributed generation | |
KR101648512B1 (ko) | 저항성 지락 전류 검출 모터 보호계전기 | |
CN102916402B (zh) | 一种适用于高压电动机过流保护的判据 | |
Rook et al. | Application of protective relays on a large industrial-utility tie with industrial cogeneration | |
Miller et al. | Fault contribution considerations for wind plant system design and power system protection issues | |
EP3547476B1 (en) | Overvoltage protection device of variable speed power generation system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Ruisheng Inventor after: Yao Qinglin Inventor after: Liu Zhiyuan Inventor after: Li Bo Inventor after: Fan Zhanfeng Inventor after: Liu Xing Inventor before: Li Ruisheng Inventor before: Yao Qinglin Inventor before: Liu Zhiyuan Inventor before: Fan Zhanfeng Inventor before: Liu Xing |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI RUISHENG YAO QINGLIN LIU ZHIYUAN FAN ZHANFENG LIU XING TO: LI RUISHENG YAO QINGLIN LIU ZHIYUAN LI BO FAN ZHANFENG LIU XING |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: XUJI ELECTRIC CO., LTD. XUCHANG XUJI SOFTWARE TECH Free format text: FORMER OWNER: XUJI ELECTRIC CO., LTD. XUCHANG XUJI SOFTWARE TECHNOLOGY CO., LTD. Effective date: 20121129 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121129 Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: Xuji Group Co., Ltd. Patentee after: Xuji Electric Co., Ltd. Patentee after: Xuchang Xuji Software Technology Co., Ltd. Patentee after: State Grid Corporation of China Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: Xuji Group Co., Ltd. Patentee before: Xuji Electric Co., Ltd. Patentee before: Xuchang Xuji Software Technology Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: XUJI ELECTRIC CO., LTD. Free format text: FORMER OWNER: XUJI GROUP CO., LTD. Effective date: 20131202 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20131202 Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: Xuji Electric Co., Ltd. Patentee after: Xuchang Xuji Software Technology Co., Ltd. Patentee after: State Grid Corporation of China Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: Xuji Group Co., Ltd. Patentee before: Xuji Electric Co., Ltd. Patentee before: Xuchang Xuji Software Technology Co., Ltd. Patentee before: State Grid Corporation of China |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20160323 |
|
CF01 | Termination of patent right due to non-payment of annual fee |