CN202424133U - 大功率电动机差动保护系统 - Google Patents
大功率电动机差动保护系统 Download PDFInfo
- Publication number
- CN202424133U CN202424133U CN 201220024172 CN201220024172U CN202424133U CN 202424133 U CN202424133 U CN 202424133U CN 201220024172 CN201220024172 CN 201220024172 CN 201220024172 U CN201220024172 U CN 201220024172U CN 202424133 U CN202424133 U CN 202424133U
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- CN
- China
- Prior art keywords
- current
- motor
- high power
- power motor
- reactive power
- 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.)
- Withdrawn - After Issue
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Protection Of Generators And Motors (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220024172 CN202424133U (zh) | 2012-01-17 | 2012-01-17 | 大功率电动机差动保护系统 |
Applications Claiming Priority (1)
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CN 201220024172 CN202424133U (zh) | 2012-01-17 | 2012-01-17 | 大功率电动机差动保护系统 |
Publications (1)
Publication Number | Publication Date |
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CN202424133U true CN202424133U (zh) | 2012-09-05 |
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Family Applications (1)
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CN 201220024172 Withdrawn - After Issue CN202424133U (zh) | 2012-01-17 | 2012-01-17 | 大功率电动机差动保护系统 |
Country Status (1)
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CN (1) | CN202424133U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103208779A (zh) * | 2012-01-17 | 2013-07-17 | 湖北追日电气股份有限公司 | 大功率电动机差动保护系统及其差动保护方法 |
CN104901278A (zh) * | 2015-05-29 | 2015-09-09 | 中国石油化工股份有限公司 | 差动保护误动作控制方法及系统 |
-
2012
- 2012-01-17 CN CN 201220024172 patent/CN202424133U/zh not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103208779A (zh) * | 2012-01-17 | 2013-07-17 | 湖北追日电气股份有限公司 | 大功率电动机差动保护系统及其差动保护方法 |
CN103208779B (zh) * | 2012-01-17 | 2015-07-08 | 湖北追日电气股份有限公司 | 大功率电动机差动保护系统及其差动保护方法 |
CN104901278A (zh) * | 2015-05-29 | 2015-09-09 | 中国石油化工股份有限公司 | 差动保护误动作控制方法及系统 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
Denomination of utility model: Differential protection system of large-power motor and differential protection method thereof Effective date of registration: 20140325 Granted publication date: 20120905 Pledgee: Bank of Hankou, Limited by Share Ltd, Xiangyang branch Pledgor: Hubei Zhuiri Electrical Co.,Ltd. Registration number: 2014990000198 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150423 Granted publication date: 20120905 Pledgee: Bank of Hankou, Limited by Share Ltd, Xiangyang branch Pledgor: Hubei Zhuiri Electrical Co.,Ltd. Registration number: 2014990000198 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20150708 |
|
RGAV | Abandon patent right to avoid regrant |