1) power-frequency varying vector method
工频变向量法
1.
Based on power-frequency varying vector method and parallel compensatory voltage lift technology, a new approach to measure transmission-line parameters, that can resist interference voltage comprehensively, is proposed.
文章提出一种综合抗干扰电压的线路参数测量新方法,该方法基于工频变向量法和并联补偿加压技术,采用单端测量π模型,计及线路分布参数特性,仅用单端测量数据就可得出线路阻抗和容抗间的相互影响。
2) delta variable
工频突变量方向保护
3) phase-to-phase fundamental current variation comparison method
相间工频变化量比较法
4) power frequency variation
工频突变量
1.
Research on steady-state overreach of power frequency variation distance relay;
工频突变量距离继电器稳态超越的研究
5) power frequency variation
工频变化量
1.
Application of the power frequency variation principle in single source and short distance transmission line;
工频变化量原理在单电源系统中的应用
2.
The paper discusses the advantage and the disadvantage of the microcomputer distance protection device based on the power frequency variation principle which will be applied in the background of 110kV short distance transmission line with single source.
论述了在 1 1 0kV单侧电源短距离重要输电线路这一特殊应用背景下 ,微机距离保护装置采用工频变化量距离保护原理的优越性和不足之处。
3.
According the special application background of the single source and the short line in the 110kV power system , the author proposed a feasible protective scheme ,in which the power frequency variation distance protect theory with combination to the four- lateral distance relay is used as quick and mainly theory.
本人针对110KV单电源短线路这一特殊应用背景，提出了以工频变化量距离保护为快速主保护，结合四边形三段式相间和接地距离保护的保护原理方案。
6) DPFC
工频变化量
1.
Setting verification of DPFC distance relay;
工频变化量距离继电器的定值校验
2.
This paper summarizes the research and application progress of NARI-RELAYS in protection based on DPFC, and introduces the key technology employed in line, busbar, transformer and generator protection.
文章总结了南京南瑞继保电气有限公司在以工频变化量为理论基础的系列保护元件方面的研究与应用成果,介绍了线路保护、母线保护、变压器保护、发电机保护方面所采用的关键技术,阐明了微机保护装置采用主后综合,双套配置的合理性和优势。
补充资料：工频突变量方向比较式纵联保护
工频突变量方向比较式纵联保护
direction comparison pilot protection system using sudden change of power frequency component
gongPIntub一an}一ong fongx一angb一]loosh一Zongl一an boohu工颇突变t方向比较式纵联保护(d ireetioneomParison pilot protection system using suddeneharge of power fr阅ueney eomponent)见方向比校式纵联保护。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条