A voltage measuring transformer decreases voltage from 330 kV to 100 kV for protective circuit.
电压测量变压器将电压从300千伏降低到100千伏以保护电路。
Introduces the constitutes of low voltage protection system of distributing transformer, analyzes the failure reason, puts forward concrete measures of improving low voltage protective reliability.
介绍了配电变压器低压保护的组成，对故障原因进行了分析，提出了提高低压保护可靠性的具体措施。
This paper describes design of a transformer and relevant protective measures of electric power running, and suggests some opinions on transformer protection.
本文叙述变压器设计，电力运行的有关保护措施，提出变压器保护的一些看法。
The transient performance of small power protective current transformer(CT) is described, the improved method of transient performance is analyzed and the transient dimensioning factor is discussed.
阐述了保护用小功率电流互感器的暂态特性，分析了暂态特性改进的方法，讨论了暂态面积系数。
A zero-sequence differential protection for transformer is discussed in scheme design and protective logic.
从保护方案设计和保护逻辑两方面详细论述了一种新型的变压器零序差动保护方案。
Main transformer protective device, detective device etc, all self-protective device commissioning method and commissioning contact shall comply with technology information provided by manufacturer.
主变压器保护装置、测控装置等各种类型的自动保护装置的调试方法和调试接线，按厂商提供的产品技术资料进行调试。
The feature and configuration are introduced for the new generation of electrification railway transformer protection. Its main protective principle and criterion are analyzed.
介绍一种新型电铁主变保护装置的特点及保护配置，对主要的保护原理及判据进行分析。
In this paper, a protective circuit for power supply of lasers without the use of low-voltage transformer and relay is presented.
本文介绍了一种不用低压变压器和继电器激光电源保护电路。
The protective relay setting calculation is the safe operation foundation of the electrical equipments in the power plants and transformer substations.
继电保护整定计算是发电厂、变电站电气设备安全运行的基础工作。
Ct (Current transformer) Current transformers are instrument transformers used in conjunction with ammeters, control circuits and protective relaying. They usually have5 ampere secondaries.
电流互感器电流互感器是一种仪表变压器，通常与电流表、制电路、护继电器配套使用。
The abnormal reasons and its hazard of metal-polluted transformer oil caused by oil pump fault are analysed. The protective measure and an effective on-site treatment method are presented.
分析了由于油泵事故导致金属污染的变压器油油质异常的原因及其危害，提出了防止扩大污染影响的措施，并总结出了一套有效的变压器油现场再生处理的方法。
Usually, power nanocrystalline current transformer cores are used in high voltage, high current generator factory, safe-quick measurement and protective relaying in power station.
通常，它们应用于高压、大电流发电厂和变电站安全快捷的测量和继电保护。
Usually, power nanocrystalline current transformer cores are used in high voltage, high current generator factory, safe-quick measurement and protective relaying in power station.
通常，它们应用于高压、大电流发电厂和变电站安全快捷的测量和继电保护。
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