CN2907023Y - 一种抑制交流变压器直流偏磁电流的装置 - Google Patents
一种抑制交流变压器直流偏磁电流的装置 Download PDFInfo
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- CN2907023Y CN2907023Y CN 200620022986 CN200620022986U CN2907023Y CN 2907023 Y CN2907023 Y CN 2907023Y CN 200620022986 CN200620022986 CN 200620022986 CN 200620022986 U CN200620022986 U CN 200620022986U CN 2907023 Y CN2907023 Y CN 2907023Y
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- 230000007935 neutral effect Effects 0.000 claims abstract description 18
- 230000001012 protector Effects 0.000 claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000452 restraining effect Effects 0.000 abstract description 3
- 230000005764 inhibitory process Effects 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Application Number | Priority Date | Filing Date | Title |
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CN 200620022986 CN2907023Y (zh) | 2006-05-19 | 2006-05-19 | 一种抑制交流变压器直流偏磁电流的装置 |
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CN 200620022986 CN2907023Y (zh) | 2006-05-19 | 2006-05-19 | 一种抑制交流变压器直流偏磁电流的装置 |
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CN2907023Y true CN2907023Y (zh) | 2007-05-30 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100521434C (zh) * | 2006-05-19 | 2009-07-29 | 南方电网技术研究中心 | 一种抑制交流变压器直流偏磁电流的装置 |
CN103439565A (zh) * | 2013-09-04 | 2013-12-11 | 博爱县电业公司 | 高压直流输电系统流入变压器中的直流偏磁电流的计算方法 |
WO2014166130A1 (zh) * | 2013-04-09 | 2014-10-16 | 国家电网公司 | 用于柔性直流输电系统交流侧过电压保护装置及保护方法 |
CN104319733A (zh) * | 2014-08-01 | 2015-01-28 | 国家电网公司 | 变压器中性点接阻抗装置及其多用途直流偏磁防护方法 |
CN105048431A (zh) * | 2015-08-10 | 2015-11-11 | 中国南方电网有限责任公司电网技术研究中心 | 一种变压器的直流偏磁电流抑制装置 |
WO2020064112A1 (de) * | 2018-09-27 | 2020-04-02 | Siemens Aktiengesellschaft | Sternpunkterdung mit überspannungsbegrenzung für einen mehrphasigen transformator |
-
2006
- 2006-05-19 CN CN 200620022986 patent/CN2907023Y/zh not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100521434C (zh) * | 2006-05-19 | 2009-07-29 | 南方电网技术研究中心 | 一种抑制交流变压器直流偏磁电流的装置 |
WO2014166130A1 (zh) * | 2013-04-09 | 2014-10-16 | 国家电网公司 | 用于柔性直流输电系统交流侧过电压保护装置及保护方法 |
CN103439565A (zh) * | 2013-09-04 | 2013-12-11 | 博爱县电业公司 | 高压直流输电系统流入变压器中的直流偏磁电流的计算方法 |
CN104319733A (zh) * | 2014-08-01 | 2015-01-28 | 国家电网公司 | 变压器中性点接阻抗装置及其多用途直流偏磁防护方法 |
CN105048431A (zh) * | 2015-08-10 | 2015-11-11 | 中国南方电网有限责任公司电网技术研究中心 | 一种变压器的直流偏磁电流抑制装置 |
CN105048431B (zh) * | 2015-08-10 | 2018-09-18 | 中国南方电网有限责任公司电网技术研究中心 | 一种变压器的直流偏磁电流抑制装置 |
WO2020064112A1 (de) * | 2018-09-27 | 2020-04-02 | Siemens Aktiengesellschaft | Sternpunkterdung mit überspannungsbegrenzung für einen mehrphasigen transformator |
US11476662B2 (en) | 2018-09-27 | 2022-10-18 | Siemens Energy Global GmbH & Co. KG | Star point grounding with overvoltage limitation for a polyphase transformer |
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C14 | Grant of patent or utility model | ||
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Owner name: CSG ELECTRIC POWER RESEARCH INSTITUTE CO., LTD. Free format text: FORMER OWNER: SOUTHERN POWER GRID TECHNOLOGY RESEARCH CENTER Effective date: 20111009 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 510623 GUANGZHOU, GUANGDONG PROVINCE TO: 510080 GUANGZHOU, GUANGDONG PROVINCE |
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Effective date of registration: 20111009 Address after: Guangzhou City, Guangdong province Yuexiu District 510080 Dongfeng East Road, No. 6-8 building water Kong Guangdong West Building 13-20 Co-patentee after: TSINGHUA University Patentee after: China South Power Grid International Co.,Ltd. Address before: 510623 Guangdong city of Guangzhou province Tianhe District Pearl River Metro Chinese Sui Road No. 6 Co-patentee before: Tsinghua University Patentee before: Southern Power Grid Technology Research Center |
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CX01 | Expiry of patent term |
Granted publication date: 20070530 |
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EXPY | Termination of patent right or utility model |