自然功率

提高异步电动机自然功率因数为主的节能降损

Enhancing Natural Power Factor of Asynchronous Motor and Falling Energy Loss

晶闸管变流装置的应用，使电力系统的自然功率因数下降。

Because of application of rectifier set , the natural power factors were decreased .

结果表明：FACTS装置的潮流控制能力不仅取决于装置的类型，而且还同线路的初始自然功率分布相关。

The results demonstrate the power flow control range is dependent on not only the type of FACTS elements , but also the original power flow distribution on the transmission line .

以中国上都电厂二期送出的实际情况为背景，采用特征值分析法对问题进行分析，考虑了常规输电线路、紧凑型输电线路和高自然功率紧凑型输电线路参数条件下的SSR问题。

With the transmission scheme of Shangdu Plant Project ⅱ as our background and adopting the method of eigenvalue analysis , an investigation is made on the SSR in the compact transmission lines , conventional transmission lines and high surge-impedance-loading compact transmission lines .

高自然功率紧凑型输电线路电容效应探讨

Technology Research for Large Surge-impedance Loading Power Compact Type Transmission with Capacitance Application

介绍了提高煤矿供电网络自然功率因数的方法，实践证明方法可行，效果显著。

The practice showed that the method was feasible .

增加架空线路输电能力&高自然功率技术

Increasing the Transmission Capacity of Overhead Lines & High Surge Impedance Loading Technique

高自然功率的紧凑型线路

Compact line with High Surge Impedance Loading

提高煤矿供电网络的自然功率因数减少电能损耗

Reduce the loss of electric energy by improving the natural power actor of supply network in coal mine

介绍了异步电动机相关能量损耗和以提高其自然功率因数为主的几种节能降损方法。

This paper introduces several methods of reducing energy loss based on enhancing natural power factor of asynchronous motor .

本文针对高自然功率紧凑型的特点，结合电工理论分析高自然功率紧凑型线路能提高输电传输容量的机理。

Based on the electrical theory , this paper introduces the principle of improving the transmission capacity with the compact line of large surge-impedance loading power .

在高自然功率紧凑型线路中，金属杆塔会导致近旁导线表面场强的升高和分布不均匀。

In the compact line of large surge-impedance loading , the existance of metal towers will lead to field strength increment on the surface of near sub-conduCtors and its uneven distribution .

在未加补偿装置的整流系统平均自然功率因数≥0.9的情况下，整流效率≥99%。

When the average natural power factor of the rectifying system without equipped with compensators was not less than 0.9 , the efficiency of rectification was not less than 99 % .

电气化铁路自然功率因数低，现有的并联电容补偿方式难以使系统达到标准要求，影响了企业的经济效益。

Natural power factor in electric railway system is low and the mode of compensation with parallel capacitor can 't make the factor satisfy the standards , which affect the economic benefit .

探讨采用降低用户的自然功率因数和增设无功功率补偿装置以及合理组织电网运行方式、改造旧电网等技术措施，以达到降低电网线损的目的。

Analyses to reduce consumer nature power factor , to increase reactive power compensation device , and to organize power network operating mode , discusses the technique measure of rebuilding old power network and reducing lines wastage .

介绍了一种以电磁感应为基础的液体加热装置，采用电压源型、负载串联谐振高频逆变器，并且能够自然实现功率因数校正。

This paper introduces a kind of fluid heating device based on electromagnetic induction . The high-frequency inverter uses voltage source type of series load resonance and realizes natural power factor correction .

自然实现了功率转换级同控制级的电气隔离；

Second , electrical isolation between the power conversion stage and the control stage can be achieved inherently .

该方案通过实时调整矢量合成顺序，使原本不处于自然换相的功率管处于自然换相状态，从而降低了三相CSR功率管的电压应力。

By exchanging the sequence of the vectors composition , the power switches , could operate in natural commutation state , so the voltage-stresses of power switches are reduced greatly .