电压源换流器,voltage source converter
1)voltage source converter电压源换流器
1.HVDC transmission technology based onvoltage source converters;基于电压源换流器的HVDC输电技术
2.Based onvoltage source converter(VSC) and pulse width modulation(PWM) technology,the VSC-based HVDC transmission system not only possess the capability of controlling active power fast,but also possess the capability of controlling reactive power quickly.基于电压源换流器(voltage source converter VSC)和脉宽调制(pulse width modulation PWM)技术的新型高压直流输电(VSC-HVDC)系统,不仅具有有功功率快速调节能力,而且具有无功功率快速调节能力。
3.By use of complex torque analysis method,the electromagnetic torque ofvoltage source converter based HVDC(VSC-HVDC) system is approximately derived,the phenomena of electric damping decreasing or negative damping in AC/DC transmission system caused by fast power control of VSC-HVDC are quantitatively analyzed.利用复数力矩分析方法近似推导了基于电压源换流器高压直流输电(voltage source converter HVDC,VSC-HVDC)系统的电磁力矩,定性分析了VSC-HVDC的快速功率控制可能会导致系统出现电气阻尼变弱或负阻尼现象。
英文短句/例句
1.Multi-Pulse Voltage Source Converter Based on DC Voltage Injection基于直流电压注入的多脉动电压源换流器
2.Start-up Control of VSC Based on HVDC System电压源换流器型直流输电系统的启动控制
3.Over-current Failure Mechanism of IGBT Within Voltage Source Converter Based High Voltage Direct Current电压源换流器高压直流输电装置中IGBT的过电流失效机制
4.VSC-HVDC for Enhancing the Power System Frequency and Voltage Stability in the Same Time电压源换流器直流输电提高系统频率和电压稳定
5.Discretization Modeling and Simulation Study of HVDC Power Transmission System Based on Voltage Source Converters基于电压源换流器的高压直流输电系统离散化建模与仿真研究
6.Mathematical Modeling and Simulation Analysis for Voltage Source Converter Based HVDC;基于电压源换流器的高压直流输电系统数学建模与仿真分析
7.Research on the Control Strategies of Voltage Source Converter Based HVDC基于电压源换流器的高压直流输电系统控制策略研究
8.VSC for renewable energy generation integration一种适用于新能源发电接入电网的电压源换流器
9.Topology Mechanism and Modulation Scheme of a New Multilevel Voltage Source Converter Modular新型多电平电压源换流器模块的拓扑机制与调制策略
10.Application of Voltage Source Converter Based HVDC to Grid Integration of Wind Farm;基于电压源换流器的高压直流输电技术在风电场并网中的应用研究
11.A new converter integrated multi-function with constant-voltage, constant-current and welding power source具有恒电压源、恒电流源和焊接电源功能的变换器设计
12.Power Exchange Control of Back-to-Back Four-Quadrant Voltage Source Converter;背靠背四象限电压源型变流器功率交换控制
13.Research on DC/DC Converter for HVDC Power System;高压直流电源系统中DC/DC变换器的研究
14.Design of Single Phase Regulated Power Supply Based on Dual PWM Converters基于双PWM变换器的单相交流稳压电源的设计
15.frequency-DC voltage converter频率-直流电压变换器
16.Power-transformers, choke coils, communication standby transformers.电源转换用变压器及扼流圈，通讯设备用变压器等。
17.In this paper, a creative converter topology-parallel resonant dual voltage converter was introduced. The circuit is apt to high voltage and low current switch power supply.文章介绍了一种新型的变换器拓扑———并联谐振倍压变换器,该电路适用于高压小电流开关电源。
18.Design of High Efficiency Peak-Current-Mode Boost DC-DC Converter XD1620 IC;高效率峰值电流模升压型开关电源转换器XD1620集成电路设计
相关短句/例句
VSC电压源换流器
1.Review and Applications ofVSC HVDC;电压源换流器型直流输电技术综述
2.AsVSC(Voltage Source Converter) is the core of HVDC(High Voltage Direct Current transmission),CPLD and DSP are used to build up the converting controller ofVSC for a HVDC-Light simulation lab.直流输电的核心是自换相电压源换流器,采用复杂可编程逻辑器(CPLD)和数字信号处理器(DSP)构成一个轻型直流输电动模室换流控制器。
3.The light HVDC transmission is a new power transmission technology based on the voltage source converters(VSCs) and IGBT power semiconductors.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。
3)voltage source converter (VSC)电压源换流器
1.The operational characteristics of voltage source converter (VSC) in flexible HVDC power transmission system are analyzed from AC side and DC side respectively, and from the viewpoint of steady state and transient state the mathematical expressions of DC current and DC voltage are analyzed.分别从交流侧和直流侧分析柔性直流输电系统中电压源换流器的运行特性,并从稳态和瞬态角度分析直流电流和直流电压的数学表达。
2.Based on a set of properly selected base values,a per-unit model for voltage source converter (VSC) based high voltage direct current (HVDC) (VSC-HVDC) is developed.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。
3.Through the analysis on the model of voltage source converter (VSC) in dq0 coordinate system, the state space equation of the augmented controlled object of VSC is obtained.通过对dq0坐标系下电压源换流器模型的分析,得到了电压源换流器增广被控对象的状态空间方程。
4)voltage source converter(VSC)电压源换流器
1.Through the analysis of voltage source converter(VSC) equations in the dq0 coordinate system,it is learned that the active power and reactive power in the flexible HVDC system can be independently controlled by the d-axis current component and the q-axis current component.通过分析dq0坐标系下电压源换流器(VSC)模型,获知基于VSC的柔性直流输电系统(Flexible HVDC)可以通过对d轴电流分量和q轴电流分量的解耦控制,获得有功功率和无功功率的独立控制;并基于此设计了柔性直流输电系统换流站的控制器,利用电网电压的前馈控制获得了对功率传输的灵活、准确调节;实验结果表明了方案的正确性,整个系统具有良好的动静态特性。
5)voltage source converter电压源型换流器
1.The HVDC Light system is a new DC transmission technology based onvoltage source converters and insulated gate bipolar transistors(IGBT).轻型直流输电系统(HVDC Light)作为一种新型的直流输电技术,采用电压源型换流器,功率开关由绝缘栅双极晶体管组成,克服了传统直流输电系统中的一些缺点,具有良好的应用前景。
2.The HVDC light is a new DC transmission technology based onvoltage source converter(VSC)and pulse width modulation(PWM)technology.轻型直流输电是一种基于电压源型换流器(VSC)和脉宽调制技术(PWM)的新型直流输电技术,与传统直流输电系统相比较,轻型直流输电的控制更加方便,运行更加稳定。
3.Thevoltage source converter (VSC) based multiterminal VSC-HVDC power transmission system (VSC-MTDC) is an ideal approach to connect wind farm with power grid.基于电压源型换流器(voltage source converter,VSC)的多端直流输电系统(VSC-MTDC)是理想的风力发电与电网联接的输电方式。
6)voltage source converter(VSC)电压源型换流器
延伸阅读
电容换相换流器电容换相换流器capacitor commutated converters, CCCd一onrong huonx一ong huonlluq{电容换相换流器(eapacitor。ommutatedeonverters，CCC)在常规换流器的交流侧申人电容器构成换相电路的换流器。电容器一般申接在换流桥和换流变压器之间(如图1所示)。电容换相换流器可以减少换流器的无功消耗，且无功消耗基本不随直流输送有功的变化而变化，减少了换流站无功补偿设备和相应的投切开关;可以显著提高交直流系统运行的稳定性，增加抗扰动能力，减少换相失败的机率，对于连接弱交流系统其作用更加明显，还可以抑制换流阀的短路电流。由于电容参加换相，使阀尖峰电压和谐波有所增加。┌──┬──┐│5 12│凡32│├──┤││││├──┼──┤│542 │562 │└──┴──┘图1电容换相换流器原理图无功平衡在常规换流器中，换流器消耗的无功随直流输送有功的变化而变化。当直流输送额定功率时，换流器无功的消耗近似于输送有功的一半。这需要安装相应的无功补偿设备并通过不断投切无功补偿分组来保持换流母线的电压水平以及与交流系统的无功交换量，见图2(a)。无功补偿装置投切时，对交流系统产生扰动;当直流系统因故障停运时，会在换流站交流母线上产生较高的暂时过电压。 口‘p、呈之!一丝塑生乙限流器不平衡t()叨川，)瓜、亏:乍()图2人犯《P .uj滤波器为印.u》常规换流器和电容换相换流器的无功消耗(a)常规换流界，(b)电容换相换流器采用电容换相换流器后，换流站无功补偿容t可降至小于输送有功功率的15%，并且当直流抽送功率发生变化时，换流器消耗的无功变化缓慢，不偏要安装随有功变化而投切的无功补偿装皿，见图2(b).通过适当选择申联电容的容量，可以使所需的无功由几组高性能、低容量的交流滤波器来补偿，如采用连续可调交流滤波器(见换流站连续可调交流滤波装里).动态德定性能电容换相换流器可以明显改善直流输电的动态稳定性能.电容器的申人直接影响了换相电压，使逆变侧的定关断角运行特性成为正斜率直线。而常规换流器的运行特性为负斜率直线，它和整流侧最小口角特性的交点不是一个稳定运行点(见直流堵电系统运行特性)。而电容换相换流器不存在不稳定工作点，特别是当逆变侧为弱交流系统时，其稳定性显著优于常规换流器。在电容换相换流器中，除了交流母线电压以外，电容器提供了一个附加的换相电压。
