transformer-secondary voltage

This paper introduces the new method of measuring the UHV system harmonic voltage using the test tapping of a current transformer.

本文介绍了利用电流互感器的末屏来测量超高压系统谐波电压的新方法。

For substations, reactive voltage control is to guarantee volage quality and reduce active power loss of power system by adjusting the tap changer of transformer and devoting or removing some compensators of reactive power, which can make the powe system operate economically and safely.

对于变电站来说电压无功控制就是通过调节可调变压器的分接头和投切一定量的无功补偿设备以保证电网电压质量和降低电网的有功损耗，达到电网安全经济运行的目的。

: In this article, the operating principle of the test instrumentation based on microcomputer for testing the transformer dielectric oil breakdown voltage is introduced. The hardware construction and software design of the instrumentation are explained. The errors and the measures of reducing the errors are discussed.

介绍了采用MCS－8031单片机的变压器绝缘油击穿电压测试仪的工作原理、硬件组成和软件设计，分析了测量误差和减少误差的措施。

A unified pattern to transform three kinds of control variables, i.e., reactive power compensation, transformer tap and nodal voltage of generator, into integer variables is also presented.

提出了将无功补偿容量、变压器主变抽头和发电机节点电压3种类型的控制变量采用统一模式转化成整型变量的方法。

Application Prospect of High Voltage Transformer in Technical Renovation for Big-Scale Equipment in Coal Mine

高压变频器在煤矿大型机电设备技术改造中的应用前景