CN109687384B - 一种基于计算无功功率的大功率切除保护和复位方法 - Google Patents
一种基于计算无功功率的大功率切除保护和复位方法 Download PDFInfo
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- CN109687384B CN109687384B CN201811637565.5A CN201811637565A CN109687384B CN 109687384 B CN109687384 B CN 109687384B CN 201811637565 A CN201811637565 A CN 201811637565A CN 109687384 B CN109687384 B CN 109687384B
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- power
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- power factor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/42—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to product of voltage and current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electrical Variables (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
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CN201811637565.5A CN109687384B (zh) | 2018-12-29 | 2018-12-29 | 一种基于计算无功功率的大功率切除保护和复位方法 |
Applications Claiming Priority (1)
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CN201811637565.5A CN109687384B (zh) | 2018-12-29 | 2018-12-29 | 一种基于计算无功功率的大功率切除保护和复位方法 |
Publications (2)
Publication Number | Publication Date |
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CN109687384A CN109687384A (zh) | 2019-04-26 |
CN109687384B true CN109687384B (zh) | 2020-05-08 |
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CN201811637565.5A Active CN109687384B (zh) | 2018-12-29 | 2018-12-29 | 一种基于计算无功功率的大功率切除保护和复位方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3859984B1 (en) * | 2020-01-30 | 2023-05-17 | Nokia Solutions and Networks Oy | Melt with reverse power feed |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100452632C (zh) * | 2005-07-15 | 2009-01-14 | 崇贸科技股份有限公司 | 具有过低电压保护系统的电源供应器及过低电压保护方法 |
CN101232188A (zh) * | 2007-01-26 | 2008-07-30 | 陈劲游 | 一种能在线检测与控制无功补偿电容器的方法及其无功补偿控制器 |
CN101783512A (zh) * | 2009-01-21 | 2010-07-21 | 戴超波 | 数字式功率因数及无功功率测控装置 |
CN102074963B (zh) * | 2011-01-17 | 2013-01-02 | 北京清电华力电气自动化科技有限公司 | 智能无功补偿综合控制装置 |
CN102646984B (zh) * | 2012-05-18 | 2014-12-24 | 重庆市电力公司綦南供电局 | 实现变电站电压及无功功率实时自动补偿的方法 |
CN102723699B (zh) * | 2012-06-15 | 2016-06-08 | 北京鼎汉技术股份有限公司 | 一种直流电源模块保护方法和装置 |
CN103606932B (zh) * | 2013-08-23 | 2015-09-02 | 华南理工大学 | 负荷相关的低压动态无功补偿电容器自动控制方法 |
CN203607859U (zh) * | 2013-12-19 | 2014-05-21 | 哈尔滨同为电气股份有限公司 | 一种动态无功补偿控制器 |
CN104578110B (zh) * | 2015-01-15 | 2017-01-04 | 浙江大学 | 分布式无功补偿系统的无功补偿控制方法 |
JP6413880B2 (ja) * | 2015-03-27 | 2018-10-31 | サンケン電気株式会社 | 力率改善回路 |
CN105203887A (zh) * | 2015-10-20 | 2015-12-30 | 国家电网公司 | 一种变压器过负荷预警的方法、装置及系统 |
US10177554B2 (en) * | 2016-02-19 | 2019-01-08 | Dell Products, Lp | Inrush current limitation circuit and method |
JP2017169253A (ja) * | 2016-03-14 | 2017-09-21 | 日立マクセル株式会社 | 力率改善装置、及びそれを備えた蓄電装置 |
CN105811431B (zh) * | 2016-03-17 | 2018-07-27 | 国网浙江省电力公司湖州供电公司 | 一种自动无功补偿投切控制方法 |
CN106786644A (zh) * | 2016-12-20 | 2017-05-31 | 北京金风科创风电设备有限公司 | 无功功率的控制方法、装置和系统 |
CN107591818B (zh) * | 2017-08-11 | 2020-06-26 | 烟台海珐电气科技有限公司 | 一种解决低负载无功过补、欠补问题的无功补偿方法 |
CN108011388B (zh) * | 2017-12-27 | 2019-08-13 | 阳光电源股份有限公司 | 一种储能系统及其控制方法和控制装置 |
CN108599546A (zh) * | 2018-02-13 | 2018-09-28 | 康舒电子(东莞)有限公司 | 具有自恢复保护功能的电源供应装置 |
CN108649588A (zh) * | 2018-06-25 | 2018-10-12 | 湖北工业大学 | 一种通讯式智能无功补偿综合治理装置 |
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Application publication date: 20190426 Assignee: Jiangsu Baohan Leasing Co.,Ltd. Assignor: SUZHOU LZY TECHNOLOGY Co.,Ltd. Contract record no.: X2023980035386 Denomination of invention: A High Power Cutoff Protection and Reset Method Based on Calculating Reactive Power Granted publication date: 20200508 License type: Exclusive License Record date: 20230511 |
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Denomination of invention: A High Power Cutoff Protection and Reset Method Based on Calculating Reactive Power Effective date of registration: 20230512 Granted publication date: 20200508 Pledgee: Jiangsu Baohan Leasing Co.,Ltd. Pledgor: SUZHOU LZY TECHNOLOGY Co.,Ltd. Registration number: Y2023980040471 |
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