transformer loss

Dielectric Loss Test of Current Transformer LCWD_2-110 with Electric Field Interference

电场干扰下LCWD2-110电流互感器介损测量

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The overproof reasons of no load loss and current in distribution transformer are analyzed. The measures to solve the problem are presented.

对配电变压器空载损耗和空载电流超标原因进行了分析，提出了解决问题的措施。

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By analyzing the difficulties on the course of transforming urban and rural electric network, puts forward loss-reduction and capacity-increase transformation for 66 kV high loss non-excitation regulating transformer is the only way to accomplish successfully the transformation of electric network.

通过分析在城乡电网改造中所遇到的困难，指出对66kV电压级高损耗无励磁调压变压器进行降损增容改造，是顺利完成电网改造任务的必由之路。

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On idle, using the voltage-feedback control makes PWM modulator output the pulse disjointedly with blocking-oscillation frequency lowered and the pulse width narrowed. Accordingly not only the no-load loss is less, but also the transformer is not easy to saturate.

系统在空载时由于采用电压反馈控制使PWM调制器间断地输出脉冲，间歇振荡的频率低而脉冲宽度窄，不但空载损耗小，而且使变压器不易饱和；

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Study on temperature rise and loss of life of traction transformer

牵引变压器温升与寿命损失研究

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Study on Field Testing High Voltage Dielectric Loss of Current Transformer

电流互感器高压介损现场测量方法的研究

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The different results of dielectric loss test of current transformer LCWD_2-110 between the positive wiring and negative wring are analyzed in this paper.

通过在电场干扰下对LCWD2-110电流互感器分别采用正接线和反接线测量其介损（tgδ）的结果进行比较，选出较好的测量方法。

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Based on the aging loss calculation, the limited value of temperature rise for F class insulation transformer on rated operating condition is derived. This value is satisfied with the desire of standard load system of duty class ⅴ and ⅵ.

通过寿命损耗计算，得出了F级绝缘变压器在Ⅴ级和Ⅵ级负载标准工作制条件下额定运行的温升限值。

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How to decrease the cost and the loss of power transformer paid great attention to.

如何在满足性能要求的前提下尽量减少变压器的造价和损耗逐渐受到变压器设计人员的重视.

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