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新型发电机失磁保护加速判据研究 - A novel accelerated criterion for loss of field protection

针对现有发电机失磁保护中励磁电压不易获取和动作延时较长等主要缺陷,提出了基于同步电动势Eq的发电机失磁保护加速判据。在加速判据中使用同步电动势取代传统的励磁电压,无需获取励磁侧电气量,且加速判据性能可靠,可有效区分失磁、有励磁振荡、短路故障或其他异常运行方式,从而大大提高了发电机失磁保护的速动性和选择性,解决了失磁保护长期以来不能同时满足速动性和选择性的困扰。通过PSCAD/EMTDC仿真验证了上述结论的正确性。... Full description

Journal Title: 电力系统保护与控制 - Relay 2010, Issue 20, pp.69-73
Main Author: 隋佳音
Other Authors: 毕天妹 , 薛安成 , 杨奇逊 , SUI Jia-yin,BI Tian-shu,XUE An-cheng,YANG Qi-xun
Format: Electronic Article Electronic Article
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Quelle: 维普数据 (Chongqing VIP Information Co.)
ID: ISSN: 1674-3415
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title: 新型发电机失磁保护加速判据研究 - A novel accelerated criterion for loss of field protection
format: Article
creator:
  • 隋佳音
  • 毕天妹
  • 薛安成
  • 杨奇逊
  • SUI Jia-yin,BI Tian-shu,XUE An-cheng,YANG Qi-xun
subjects:
  • 发电机
  • 失磁保护
  • 加速判据
  • 同步电动势
  • 功角
  • Generator
  • Loss of Field Protection
  • Accelerated Criterion
  • Synchronous Electromotive Force
  • Rotor Angle
ispartof: 电力系统保护与控制 - Relay, 2010, Issue 20, pp.69-73
description: 针对现有发电机失磁保护中励磁电压不易获取和动作延时较长等主要缺陷,提出了基于同步电动势Eq的发电机失磁保护加速判据。在加速判据中使用同步电动势取代传统的励磁电压,无需获取励磁侧电气量,且加速判据性能可靠,可有效区分失磁、有励磁振荡、短路故障或其他异常运行方式,从而大大提高了发电机失磁保护的速动性和选择性,解决了失磁保护长期以来不能同时满足速动性和选择性的困扰。通过PSCAD/EMTDC仿真验证了上述结论的正确性。
language:
source: 维普数据 (Chongqing VIP Information Co.)
identifier: ISSN: 1674-3415
fulltext: no_fulltext
issn:
  • 1674-3415
  • 16743415
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title新型发电机失磁保护加速判据研究 - A novel accelerated criterion for loss of field protection
creator隋佳音 ; 毕天妹 ; 薛安成 ; 杨奇逊 ; SUI Jia-yin,BI Tian-shu,XUE An-cheng,YANG Qi-xun
ispartof电力系统保护与控制 - Relay, 2010, Issue 20, pp.69-73
identifierISSN: 1674-3415
subject发电机 ; 失磁保护 ; 加速判据 ; 同步电动势 ; 功角 ; Generator; Loss of Field Protection; Accelerated Criterion; Synchronous Electromotive Force; Rotor Angle
description
0针对现有发电机失磁保护中励磁电压不易获取和动作延时较长等主要缺陷,提出了基于同步电动势Eq的发电机失磁保护加速判据。在加速判据中使用同步电动势取代传统的励磁电压,无需获取励磁侧电气量,且加速判据性能可靠,可有效区分失磁、有励磁振荡、短路故障或其他异常运行方式,从而大大提高了发电机失磁保护的速动性和选择性,解决了失磁保护长期以来不能同时满足速动性和选择性的困扰。通过PSCAD/EMTDC仿真验证了上述结论的正确性。
1Traditional loss of field protection can not measure exciting voltage easily and causes long time delay,thus a new accelerated criterion based on the synchronous electromotive force Eq is proposed.It adopts synchronous electromotive force instead of traditional exciting voltage,dispenses with the excitation...
relation作者单位: 华北电力大学电力系统保护与动态安全监控教育部重点实验室,北京102206
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5华北电力大学电力系统保护与动态安全监控教育部重点实验室,北京102206
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0新型发电机失磁保护加速判据研究
1A novel accelerated criterion for loss of field protection
description
0针对现有发电机失磁保护中励磁电压不易获取和动作延时较长等主要缺陷,提出了基于同步电动势Eq的发电机失磁保护加速判据。在加速判据中使用同步电动势取代传统的励磁电压,无需获取励磁侧电气量,且加速判据性能可靠,可有效区分失磁、有励磁振荡、短路故障或其他异常运行方式,从而大大提高了发电机失磁保护的速动性和选择性,解决了失磁保护长期以来不能同时满足速动性和选择性的困扰。通过PSCAD/EMTDC仿真验证了上述结论的正确性。
1Traditional loss of field protection can not measure exciting voltage easily and causes long time delay,thus a new accelerated criterion based on the synchronous electromotive force Eq is proposed.It adopts synchronous electromotive force instead of traditional exciting voltage,dispenses with the excitation...
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1SUI Jia-yin,BI Tian-shu,XUE An-cheng,YANG Qi-xun(Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under Ministry of Education,North China Electric Power University,Beijing 102206,China)
citationpf 69 pt 73 issue 20
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title新型发电机失磁保护加速判据研究 - A novel accelerated criterion for loss of field protection
author隋佳音 ; 毕天妹 ; 薛安成 ; 杨奇逊 ; SUI Jia-yin,BI Tian-shu,XUE An-cheng,YANG Qi-xun
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0针对现有发电机失磁保护中励磁电压不易获取和动作延时较长等主要缺陷,提出了基于同步电动势Eq的发电机失磁保护加速判据。在加速判据中使用同步电动势取代传统的励磁电压,无需获取励磁侧电气量,且加速判据性能可靠,可有效区分失磁、有励磁振荡、短路故障或其他异常运行方式,从而大大提高了发电机失磁保护的速动性和选择性,解决了失磁保护长期以来不能同时满足速动性和选择性的困扰。通过PSCAD/EMTDC仿真验证了上述结论的正确性。
1Traditional loss of field protection can not measure exciting voltage easily and causes long time delay,thus a new accelerated criterion based on the synchronous electromotive force Eq is proposed.It adopts synchronous electromotive force instead of traditional exciting voltage,dispenses with the excitation...
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