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.
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.
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.
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.
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.
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.
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.
DBVSC既可以改善换流器输出电流波形质量，又可以减小系统损耗，提高功率等级，特别适合于大功率应用。
DBVSC can improve the output waveform of converters and reduce the losses of system, so the system can improve the level of power and thus is fit for the application of bulk power.
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.
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.
利用三脉动换流器模型对三峡-广东直流输电系统直流侧谐波进行了计算，并对三脉动换流器模型进行了分析。
The three pulse converter model is analyzed, and using this model the harmonics at the DC side of three GorgesGuangdong DC power transmission system is calculated.
提出了一种适用于基于电压源换流器的直流输电系统的混合调制方式，可满足输电系统的暂态响应和稳态特性的需求。
A hybrid modulation method is proposed for the HVDC system using voltage sourced converter (VSC) technology, which performs satisfactorily both in steady state and in dynamic state.
在基于电压源换流器的高压直流输电(VSC -HVDC)交直流混合风电场并网系统中，控制VSC - HVDC送端站注入到PC C点的无功功率可以抑制电压波动。
In hybrid wind farm integration system based on HVDC of voltage source converter (VSC-HVDC), the voltage fluctuation can be alleviated by compensating reactive power to PCC from VSC-HVDC sending end.
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.
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.
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.
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.
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.
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.
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.
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.
它采用了绝缘栅极双极型二极管和电压型换流器，控制和运行方式简单，输出波形好，具有广阔的应用范围和良好的发展前景。
It can be widely used for its easy and simple control and operation as well as for its good output waveforms.
本文针对传统轻型高压直流输电系统所存在的缺点，采用一种新的模块化多电平换流器作为轻型高压直流输电系统的换流器。
In this paper, a new modular multilevel converter is used as a converter of HVDC Light, which avoids those disadvantages above effectively.
这种换流器是矩形波控制。
建立了基于电压源换流器（VSC）的高压直流（HVDC）（VSC-HVDC）输电系统的标幺值数学模型。
The HVDC light is a new DC transmission technology based on voltage source converter(VSC)and pulse width modulation(PWM)technology.
本文给出了一种高压直流换流器的暂态数学模型——等值电路法(ecm)。这种方法以简单、明晰的方式描述了换流器阀的所有可能的导通模式。
This paper presents a transient mathematical model of the HVDC converters-Equivalent Circuit Method (ECM), which can describe all possible states of converter valves in a simple and explicit way.
本文分析了超级电容器储能系统的运行原理，并将超级电容器储能系统的电路结构分为换流器，双向直流变直流变换器和双电层电容器组三个部分。
This paper analyzes the operating principle of super capacitor system, and divides into three parts of inverter, bi-directional dc-dc converter and Electric Double Layer Capacitors.
本文分析了超级电容器储能系统的运行原理，并将超级电容器储能系统的电路结构分为换流器，双向直流变直流变换器和双电层电容器组三个部分。
This paper analyzes the operating principle of super capacitor system, and divides into three parts of inverter, bi-directional dc-dc converter and Electric Double Layer Capacitors.
应用推荐