DC system是什么意思

网络释义

用法例句

Causes analysis about one point earthing leading to breaker tripping in DC system;

直流系统负极一点接地致开关跳闸原因分析

Grounding fault detection based on wavelet entropy and neural network for loop net of DC system;

基于小波熵神经网络的直流系统环网接地故障检测

Research of embedded system based on ARM in DC system grounding fault detection;

基于ARM的嵌入式系统在直流系统接地故障定位中的研究

Earth fault analysis of direct current system;

直流系统接地故障的分析

Discussion about mixed use of different direct currents in double direct current system

双重化直流系统中直流混用现象探讨

The paper presents the status of and the operation method take by the accumulator as well as the direct current system one by one to ensure the reliable and steady-going operation of the whole system.

本文针对茂名电厂蓄电池和直流系统的概况,运行方式,运行操作等,做一一介绍,以确保系统可靠稳定的运行。

A new segment solution for solving load margin of AC/DC power system is proposed in this paper based on continuation method and interior point algorithm.

基于连续潮流法和原始-对偶内点法,提出了一种新的分段求解交直流系统负荷裕度方法。

In load flow calculation of AC/DC power system the adjustment of converter transformer’s tap changer is taken into account, the mathematical model and method to adjust the position of taps are proposed and their simulation results for two-terminal and three-terminal HVDC transmission systems are given.

分析了直流输电系统中换流变压器的作用,在交直流系统潮流计算中考虑了换流变压器分接头的调整,提出了调整分接头档位的方法,并通过两个算例系统进行了仿真。

The assumption of the AC commutating voltages being unchanged during the fast HVDC simulation can affect the results of the two-time-step transient stability simulation of the AC/DC power system.

分析在直流小步长仿真过程中假设换流母线的交流电压不变对交直流系统双时步暂态稳定性仿真结果产生的影响及原因:该假设可能会延迟直流系统中一些具有开关特性的控制器的动作时间,造成仿真结果不准确;对于多馈入直流系统甚至可能引起直流开关特性控制的误动作,从而使仿真结果失真。

Considering the variable constraints of DC system,the adjustment of operation mode and convergence during assessing the voltage stability of AC/DC power systems,this paper proposes a new segment method for solving load margin of AC/DC power system based on the primal-dual interior point algorithm.

针对交直流系统稳定分析时直流变量约束、运行方式调整以及计算收敛性问题,基于原始-对偶内点法提出分段求解交直流系统负荷裕度的新算法。

Voltage weak stability zone calculation of AC/DC system using eigenvalue method;

运用特征值法确定交直流系统电压失稳区

By scanning the AC/DC system in low frequency band,the frequency domain characteristics of controller were derived,which should satisfy the desired performance and stabilize the system.

通过对交直流系统进行低频范围内的频率扫描,可以得到满足系统稳定性要求的控制器频域特性,并以此为约束条件确定控制器的结构和参数。

Based on the reliability model of a bipolar HVDC system, one DC line is equivalent to two AC lines, so that an AC/DC system can be transformed to an equivalent pure AC system, and the failure of DC systems with monopolar total outage or bipolar total outage can be analyzed with the equivalent of being failure AC lines, and evaluated with suitable AC transmission reliability assessment software.

基于双极直流系统的可靠性模型,用两条交流线路来等效一条直流线路,将交直流系统等效为纯交流系统,利用交流线路的故障来模拟直流系统的单极停运和双极停运,然后可基于适合于交流输电网可靠性评估的软件来对交直流系统进行可靠性评估。

Discussion about mixed use of different direct currents in double direct current system

双重化直流系统中直流混用现象探讨

Characteristics of HVDC System

高压直流系统的特点

Modification of the DC Leakage Method for DC System Insulation Monitoring

直流系统绝缘监测的直流漏电流法改进方案

The Research on Differential Protection of the Converter Transformer in DC System

直流系统换流变压器差动保护的研究

Research on the Influence of Sharing Earth Electrode on ±800kV UHVDC Transmission Systems;

±800kV直流输电系统共用接地极对直流系统的影响研究

automatic electric DC drives

直流自动电力传动系统

multiterminal HVDC transmission system

多端高压直流输电系统

two-terminal HVDC transmission system

二端高压直流输电系统

Study on HVDC Transmission System with Parallel Large Capacitor Connected in the DC Side of the Rectifier;

整流器直流侧并联大电容的直流输电系统研究

Active Filter Technique on AC-side of HVDC Transmission Systems

直流输电系统交流侧的有源滤波技术

Measures of Restrictive Electric Current in the Closed-circle and Regulated-speed System of DC MOTOR;

直流电动机闭环调速系统的限流措施

Transient Simulation of Short-Circuit Currents in DC Traction Power Supply System

直流牵引供电系统短路电流暂态仿真

Electro-dynamic of HVDC Valve Mathematical Analysis

直流输电换流阀系统电动力计算分析

Integrated Optimization Designs of the Filtering Systems at the DC Side of UHVDC Transmission Project;

特高压直流输电直流滤波系统综合优化设计

Optimizing Design of Filtering Equipments at DC Side of HVDC Transmission System;

高压直流输电系统直流滤波装置的优化设计

THE STUDY OF POWER MODULATION FOR AC/DC PARALLEL SYSTEMS;

交直流并联输电系统直流功率调制的研究

Selection of DC control protection component in DC power supply system

直流电源系统中直流控制保护电器的选择

Development of DC Filter Capacitor for HVDC Transmission System

高压直流输电系统用直流滤波电容器的研制