CN104616931B - 一种耐低温数字式sf6继电器 - Google Patents
一种耐低温数字式sf6继电器 Download PDFInfo
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- CN104616931B CN104616931B CN201510058436.0A CN201510058436A CN104616931B CN 104616931 B CN104616931 B CN 104616931B CN 201510058436 A CN201510058436 A CN 201510058436A CN 104616931 B CN104616931 B CN 104616931B
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- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 9
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
Claims (6)
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CN201510058436.0A CN104616931B (zh) | 2015-02-02 | 2015-02-02 | 一种耐低温数字式sf6继电器 |
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CN201510058436.0A CN104616931B (zh) | 2015-02-02 | 2015-02-02 | 一种耐低温数字式sf6继电器 |
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CN104616931A CN104616931A (zh) | 2015-05-13 |
CN104616931B true CN104616931B (zh) | 2016-04-13 |
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CN201510058436.0A Active CN104616931B (zh) | 2015-02-02 | 2015-02-02 | 一种耐低温数字式sf6继电器 |
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Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109213214B (zh) * | 2017-07-03 | 2024-04-02 | 国网安徽省电力公司电力科学研究院 | 一种混合气体密度控制器 |
CN108801853B (zh) * | 2018-06-26 | 2021-04-16 | 南方电网科学研究院有限责任公司 | 一种气体密度测量装置 |
CN108801854B (zh) * | 2018-06-26 | 2021-04-20 | 南方电网科学研究院有限责任公司 | 一种气体密度测量装置 |
CN109060020A (zh) * | 2018-08-03 | 2018-12-21 | 南方电网科学研究院有限责任公司 | 一种信息集中处理装置 |
CN109148216B (zh) * | 2018-08-07 | 2024-01-30 | 云南电网有限责任公司德宏供电局 | 一种可拆卸调节式六氟化硫密度继电器 |
CN110534377A (zh) * | 2019-09-04 | 2019-12-03 | 上海乐研电气有限公司 | 一种免维护的气体密度继电器 |
CN110411892A (zh) * | 2019-09-04 | 2019-11-05 | 上海乐研电气有限公司 | 一种现场在线校验气体密度继电器用的接点信号采集电路 |
BR112022004053A2 (pt) * | 2019-09-04 | 2022-05-24 | Shanghai Roye Electric Co Ltd | Método de modificação para relés de densidade de gás, um relé de densidade de gás com função de auto-calibração online e o respectivo método de calibração. |
CN110444442B (zh) * | 2019-09-04 | 2023-09-26 | 上海乐研电气有限公司 | 一种远传气体密度继电器系统及其校验方法 |
CN110412460A (zh) * | 2019-09-04 | 2019-11-05 | 上海乐研电气有限公司 | 一种气体密度继电器校验装置及其校验方法 |
EP4027155A4 (en) * | 2019-09-04 | 2023-10-11 | Shanghai Roye Electric Co., Ltd. | TRANSFORMATION METHOD FOR GAS TIGHT RELAYS AND GAS TIGHT RELAYS WITH ONLINE SELF-CHECKING FUNCTION AND CONTROL METHOD THEREOF |
CN110456266A (zh) * | 2019-09-04 | 2019-11-15 | 上海乐研电气有限公司 | 具有在线采样校验功能的电气系统及其校验方法 |
CN110535058B (zh) * | 2019-09-04 | 2024-05-03 | 上海乐研电气有限公司 | 具有在线采样校验功能的电气系统及其校验方法 |
CN110411890A (zh) * | 2019-09-04 | 2019-11-05 | 上海乐研电气有限公司 | 实现气体密度继电器免维护的现场检测装置、系统及方法 |
CN110567840A (zh) * | 2019-09-04 | 2019-12-13 | 上海乐研电气有限公司 | 一种抗过电压的气体密度变送器及监测系统 |
CN113758653A (zh) * | 2021-09-09 | 2021-12-07 | 河南平高电气股份有限公司 | 一种对sf6密度继电器实时监测并预判断漏气的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201708085U (zh) * | 2010-06-09 | 2011-01-12 | 朗松珂利(上海)仪器仪表有限公司 | 一种可供远程监测的sf6气体密度继电器 |
CN203339056U (zh) * | 2013-03-08 | 2013-12-11 | 云南电网公司昆明供电局 | 一种具有sf6气体密度、微水在线监测功能的密度继电器 |
CN104299845A (zh) * | 2014-10-21 | 2015-01-21 | 上海乐研电气科技有限公司 | 一种不用拆卸就能直接校验的气体密度继电器 |
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2015
- 2015-02-02 CN CN201510058436.0A patent/CN104616931B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201708085U (zh) * | 2010-06-09 | 2011-01-12 | 朗松珂利(上海)仪器仪表有限公司 | 一种可供远程监测的sf6气体密度继电器 |
CN203339056U (zh) * | 2013-03-08 | 2013-12-11 | 云南电网公司昆明供电局 | 一种具有sf6气体密度、微水在线监测功能的密度继电器 |
CN104299845A (zh) * | 2014-10-21 | 2015-01-21 | 上海乐研电气科技有限公司 | 一种不用拆卸就能直接校验的气体密度继电器 |
Non-Patent Citations (1)
Title |
---|
数字式SF6密度继电器UP908的原理及应用;周骁威,陈振生;《电气技术》;20050831(第8期);全文 * |
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