这种换流器是矩形波控制。
一个循环换流器将用于调节设备的电力供应。
A cycloconverter will be used to regulate the electrical supply to the equipment.
分接头控制是换流器控制系统中重要组成部分。
The tap changer control system is important component of converter control system.
换流器单元产生的谐波会流过交流和直流线路。
The converter units generate harmonics which flow in the AC and DC lines.
换流器触发控制系统中最复杂和最重要的部分。
The firing control is the most complex and important part in converter firing control system.
同时还考虑了换流器换流时换流阀内电压振荡特性。
At the same time, the voltage oscillation characteristics in the converter valve are considered while the converter is in service.
对直流系统开发了计及换相电压不对称的QSS换流器模型。
The QSS converter model in account of unsymmetric commutating voltages is developed for DC system.
这些换流器使用在输入一边接通到可控直流换流器的交流电。
These inverters use an AC to controlled DC converter on the input side.
本发明涉及一种用于高压和大功率范围的换流器的脉冲电阻器。
The invention relates to a pulse resistor for a frequency converter in the higher voltage and capacity range.
文章主要对柔性直流输电换流器的换流阀进行可靠性建模与分析。
The reliability model and analysis method of the converter valves in VSC-HVDC system is mainly concerned.
该模型考虑了换流器开关电路的动态特性，适用于高频动态特性分析。
The model considers the dynamics of converter switch circuit and can be applied in the analysis for high frequency dynamic characteristics.
本文推导了适合于多谐波源谐波潮流计算的HVDC换流器谐波模型。
The harmonic model of HVDC converter suitable for the computation of harmonic power flow with multi-harmonic sources is worked out.
本文还从技术及经济角度出发给出了几点电容换相换流器数值选取的建议。
Moreover, several recommendations on the selection of commutated capacitor's size were presented considering the technological and commercial factors.
晶闸管换流阀的采用已将高压直流换流器的可靠性提高到相当惊人的水平。
The use of thyristor valves has increased the reliability of HVDC converters to impressive levels.
换流器控制系统对过电压的第一个峰值没有影响，但对以后的峰值有控制作用。
The Converter Control system has no effect on the first crest overvoltage but may have effect on the following crest overvoltage.
作为新一代高压直流换流器的电压控制型换流器，使得小容量电力传输经济可行。
Voltage source converter as a new generation of HVDC makes the small power transmission economically feasible.
HVDC直流侧谐波计算中经典换流器模型不能完整再现换流器直流侧的谐波某些特性。
The classical converter model has been proved to be insufficient in representing the characteristics of the DC side harmonics in HVDC system.
文中提出了基于开关函数理论的HVDC换流器直流等值阻抗和交流等值阻抗计算方法。
The paper presents a method to determine equivalent DC impedance and equivalent AC impedance of HVDC converter viewed respectively from DC side and AC side based on switching function theory.
多电平换流器是解决这些问题的有效方法，是今后高压大功率系统中换流器选择的主要方案。
Multilevel converter is an effective way to solve these problems above. And it will be the main program in the high-voltage and high-power system.
轻型高压直流输电是在电压源换流器和绝缘栅双极晶体管基础上开发出来的一种新型输电技术。
The light HVDC transmission is a new power transmission technology based on the voltage source converters(VSCs) and IGBT power semiconductors.
在许多的电路中，二极管反向电流不会影响换流器特性，因此在关断过程中仍然可以视为理想的。
In many circuit this reverse current does not affect the convert characteristic and so the diode can also be considered as ideal during the turn-off transient.
直流换流器熄弧角是直流输电系统的重要电气量，常被用于判断直流输电系统逆变器的换相失败。
The extinction angle of the DC converter, which is usually used to study the commutation failure of the DC inverter, is an important parameter in the DC transmittal system.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡（SSO）模态阻尼的影响。
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
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.
高压直流（HVDC）输电换流器两侧的谐波阻抗对确定地磁感应电流（GIC）引发的谐波有重要意义。
The harmonic impedance on two sides of converters in HVDC transmission system is important in determinating the harmonics due to GIC (geomagnetic induced currents).
对基于电压源换流器(vsc)的直流输电(VSC - HVDC)系统的起动过程控制策略进行了研究。
The control strategy of start-up process of HVDC based on voltage source converter (VSC-HVDC) is discussed.
柔性直流输电利用电压源换流器的自换向特性使其具有诸多优点，研究其在城市电网中的应用具有重要意义。
Flexible DC power transmission has many advantages due to the use of voltage source converter's self-commutated characteristics.
柔性直流输电利用电压源换流器的自换向特性使其具有诸多优点，研究其在城市电网中的应用具有重要意义。
Flexible DC power transmission has many advantages due to the use of voltage source converter's self-commutated characteristics.
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