简要分析了新型换流变压器谐波屏蔽原理。
Then, the principle of shielding harmonic current in the transformer is briefly analyzed.
高压直流试验是换流变压器的例行试验之一。
HVDC test is one of routine tests on the converter transformer.
并通过高压换流变压器试验，说明如材料、环境等条件对直流工作的影响。
And through the tests of HVDC converter transformer, the influence of material and environment, etc. on operation of HVDC was explained.
换流变压器绝缘最关键的部位是由套管及纸板围屏系统组成的阀侧出线装置。
The most important part of converter transformer insulation is the valve side outlet device, which consists of bushing and surrounding barrier system.
本论文就采用新型换流变压器的新型直流输电换流控制系统进行了研究与设计。
The control system of new type DC transmission system adopting novel transformer and its filter device are mainly studied and designed in this thesis.
与传统的换流变压器相比，自耦补偿与谐波屏蔽换流变压器具有独特的绕组联结方式。
Compared with the traditional converter transformer, the auto compensator and harmonics shade converter transformer has a unique connection.
新型换流变压器建模和故障计算是新型换流变压器运行特性研究及继电保护、故障诊断的基础。
Modeling and faults calculation in the new converter transformer are the bases of research on operating characteristics, relay protection and fault diagnosis of the new converter transformer.
基于所建立的数学模型，采用拓扑描述串和故障等效处理技术来计算新型换流变压器的各种故障。
Based on the mathematical model, we adopted topological description series and the technique of fault equivalence disposal to calculate all kinds of faults of the new converter transformer.
计算了换流变压器阀侧绕组在极性反转试验电压下端部电场的分布情况，并对计算结果进行了分析。
The end electrical field distribution under polarity reverse test voltage of valve winding in converter transformer is calculated. The results are analyzed.
介绍了一种实际测量换流变压器谐波损耗频率特性的方法，给出了在一台换流变压器上的实际测量结果。
The measuring method of the frequency characteristic of harmonic losses in convertor transformers is presented. The measuring results in a convertor transformer are given and are analyzed.
基于所建立的数学模型，采用多态相分量法处理纵向故障的方法来计算新型换流变压器的纵向不对称故障。
Based on the mathematical model, the polymorphic phase-coordinate method is adopted to calculate the longitudinal and asymmetric faults for new-type converter transformer.
高压直流换流器和换流变压器的饱和特性之间的相互作用可以导致换流变压器铁心饱和不稳定现象的发生。
The interaction of HVDC converter with the saturation characteristic of converter transformer can lead to core saturation instability of converter transformer.
针对新型高压直流输电模拟系统12脉波整流器与逆变器产生的谐波，设计了基于新型换流变压器的无源滤波器系统。
In view of harmonic which generated from the new-type HVDC analog system 12-pulse wave rectifiers and the inverter, designed passive filters system based on the new-type converter transformer.
在此基础上确定了溪洛渡—株洲特高压直流输电工程换流变压器的额定功率、电压、电流和分接头的变化范围等参数。
After illustrating the operation theory of six pulse converter, author gives the calculating method of UHVDC transmission parameters such as operating power, voltage, current and tap changer range.
末端加压法对高压直流输电系统所用换流变压器阀侧套管预防性试验，特别是将来特高压直流换流变压器阀侧套管预防性试验具有较高的实用价值。
Applying voltage into the bushing tap method for preventive test of converter transformer value side bushing in HVDC, especially in the future for UHV, will have better practical value.
通过一个有解析解的双层有损同轴绝缘结构模型，验证了方法的有效性。最后，分析了一个换流变压器阀侧绕组典型绝缘结构的极性反转电场变化过程。
The proposed method was verified by a simple model, which has analytical solutions, and used to analyze the pr process of a typical oil-paper insulation structure of converter transformer.
另外宣布的是，ABB还被选中为两座换流站提供800千伏特高压直流变压器设备。
As separately announced, ABB has also been selected to supply the 800 kilovolt (kV) UHVDC transformers for both converter stations.
另外宣布的是，ABB还被选中为两座换流站提供800千伏特高压直流变压器设备。
As separately announced, ABB has also been selected to supply the 800 kilovolt (kV) UHVDC transformers for both converter stations.
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