摘要
变压器是否经济运行,通常用视在功率这个物理量描述比较,但实际工作中并没有视在功率测量表,让变压器经济运行技术转化成效益是不容易的,可把视在功率转化为运行电流(配电柜上一般安装有电流表)这一人们很容易掌握技术。通常公式中用到的是视在功率,而实际工作中电动机容量都是给出额定输出有功功率。经过计算得到视在功率既麻烦又不准确(系数K、tgφ、K_Σ都为参考值引起,况且有的用电设备组此参考值就没有)。同样可利用运行电流可直接求出视在功率,获得视在功率迅速、准确。
Transformers' operating modes of Zhengzhou Yuanshui Sino - French corporation has been conducted and improper modes of operation of this working unit has been pointed out here. Meanwhile its economical operation model is provided. Achieving purposes of energy conservation and consumption reduction and possessed of generalizing value, this mode has unique characteristic in the calculation procedure of transformer's economical operation with high accuracy rating and availability of application to the practical production.
关键词
变压器
经济运行
空载损耗
短路损耗
空载电流
open circuit loss
short circuit loss
no - load current
impedance voltage
power without work