transformer

Scheme of measuring temperature of high voltage electronic potential transformer vessel;

一种高压电子式互感器腔体内温度测量方法

Calibration method and development trend of high voltage transformer;

高电压等级电压互感器的校验方法

Comprehensive query and management system for checkout and demarcation record of watt-hour meter and transformer;

电能表、互感器检定记录综合查询管理系统

Application of UG technology in mould design of instrument transformers;

UG技术在互感器模具设计中的应用

Digital instrument transformer test setbased on wave analysis;

基于波形分析的数字式互感器校验仪

Research on Wide-Band Transfer Characteristics of Instrument Transformers and Transient Characteristics of Grounding Grids in Substations;

变电站互感器宽频传输特性与接地网瞬态特性的研究

Application of UG software in design of mould for mutual inductor;

UG在互感器模具设计中的应用

The characteristics and selection of the mutual inductor,the development of the non-conventional mutual inductor,the working principle of various relay protections,the configuration of UHV protection are analyzed,as well as the influences of time delay,data and clock synchronization,IEC61850 and communication technology development on the protection system based on t.

基于互感器技术、保护原理以及通信技术,分析了互感器的特性、选型和非传统互感器的发展;各种继电保护原理特点和特高压保护的配置;通道延时、数据同步、时钟同步以及IEC61850和通信技术的发展对保护系统的影响,提出了在大电网继电保护技术应用中要注意的若干问题。

The wattmeter connects with measured circuit direct when the power is low,then connects with measured circuit though mutual inductor when the rating of wattmeter of the voltage or current is overrun.

当被测电路的功率比较小时,采用直接和功率表相接方法;当被测电路的电压和电流超过仪表电压和电流的最大额定值时,就要用互感器和仪表相接。

Therefore,substitution of high-voltage electronic transducers for conventional transformers is a trend.

随着电力系统朝着自动化、智能化和数字化方向的发展,传统的电磁式电流互感器因自身传感机理限制很难满足电力系统发展要求。

Air-core coil current transducer is not in magnetic saturation,but its voltage signal is weak and vulnerable to outside magnetic interference.

空心线圈电流互感器无磁饱和,但感应信号小,易受外界电磁干扰。

Based on the equivalent circuit,the element concept of the secondary loop of transducer is introduced,and the physical meanings that no electrical connection exists among all transducers by simulation and emulation are explained.

利用等效电路简单介绍了互感器二次回路保安性接地的基本概念,并通过模拟仿真方式较形象地解释了各互感器之间没有电联系的物理含义,指出了实际没有电联系的各互感器在各自接线端子箱就地接地可以简化二次回路接线,提高电网稳定运行水平的建议。

Errors analysis of the current transformer and application technology;

电流互感器的误差分析及其应用技术

Analysing and assessing the uncertainty in detecting the transformers;

互感器检测结果的不确定度分析与评定

This paper analyzed the methods for testing the error of transformers quickly,thus the measurement could be more efficient.

分析了互感器误差快速测试的测量方法,使批量互感器的测试过程更加有效率。

Pressure changes in the gas space of sealed transformers were discussed and analysed.

本文对高压互感器内压力变化进行了实际测量与分析，从理论上推导出了气室中温度与压力之间的关系，并且通过实际模拟实验验证了理论推导的正确性。

Voltage transformers

GB1207-1997电压互感器

Combined transformers

GB17201-1997组合互感器

auxiliary current transformer

辅电流互感器辅助电流互感器

dual purpose voltage transformer

双重用途电压互感器

high voltage current transformer & potential transformer

高压电流电压互感器

rated transformation ratio (of a voltage transformer)

（电压互感器的）额定变比

rated transformation ratio of voltage transformer

电压互感器的额定变比

unearthed voltage transformer

不接地型电压互感器

actual transformation ratio of voltage transformer

电压互感器的实际变化

gle of a voltage transformer

电压互感器的相角差

burden(of a instrument transformer)

（仪用互感器的）负载

bushing type instrument transformer

套管式仪表用互感器

summation [totalizing] current transformer

总和[总加] 电流互感器

summation /totalizing current transformer

总和/总加电流互感器

phaseangle of a current transformer

电流互感器的相角差

rated transformation ratio of current transformer

电流互感器的额定变比

rated transformation ratio (of a current transformer)

（电流互感器的）额定变比

primary current (of a current transformer)

（电流互感器的）一次电流