Abstract: : the substation is in power system voltage conversion, accept and electric power distribution, control and adjustment to the current voltage power facilities.
摘要:变电站是电力系统中转换电压、接受和分配电能、控制电流走向和调整电压的电力设施。
So reactive power and voltage control in modern power system is a very important problem that need to solve well.
所以,现代电力系统中的无功功率与电压控制是一个非常重要的问题,需要很好地解决。
SVC is used in power system for the purpose of reactive power support and voltage control. Wide area measurement system (WAMS) has been widely used in modern power systems.
SVC已经广泛应用于电力系统的无功支持和电压控制,广域测量系统在国内外也已有许多工程应用。
The power switches is able to control the direction of power flow as long as the capacitor voltage is kept higher than the system voltage.
只要电容电压比系统电压高,则电能开关就能控制能流方向。
The numerical simulation for proposed secondary voltage control system on classical New England power system is executed, and simulation results show that the proposed design scheme is effective.
最后用经典的新英格兰系统进行了数字仿真,仿真结果表明了文中所提设计方案的有效性。
Secondary Voltage Control is a new way of voltage control, firstly the power system is divided into many control areas whose electric distance is remote.
二级电压控制是一种新型的电压控制方式,它首先是将整个电力系统分成若干彼此电气距离较远且相互近似解耦的控制区域。
In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
该系统以80c 196MC为控制核心,采用IPM智能功率模块为功率元件,组成了交直交电压型逆变器主回路。
This paper finds a method which can indirectly control the load side voltage of the contact-less power transfer system.
本文研究了非接触电能传输系统中一种间接控制负载侧电压的方法。
Through analyzing the topology, control system and protection system of large power high voltage converter equipped with integrated gate commutated thyristor (IGCT), a set of 7.
通过对大功率集成门极换向晶闸管(IGCT)高压变流器的结构、控制系统、保护系统的研究,设计出一套7。
The text expatiate the content of power system reactive optimization and voltage control, laying stress on the study of reactive sources allocation and voltage control partition.
本文对电力系统无功优化和电压控制的内容进行了系统的阐述,并着重对电力系统无功源配置和电压控制分区进行了较为深入的研究。
A scheme of implementing the intelligent regional voltage and reactive power control (VQC) system in the control center is presented to solve the limitations of VQC system in substations.
针对目前变电站电压无功控制系统存在的缺陷,提出了在调度端实现智能区域电压无功控制的系统设计。
The voltage and inactive power control of substations have become necessary measures to ensure the voltage quality and inactive power balance and improve the reliability and economy of power system.
变电站电压、无功控制已成为保证电压质量和无功平衡,提高电力系统可靠性和经济性必不可少的措施。
The concept of hybrid power control system is introduced to the power systems voltage control, and the static hybrid automatic voltage control (HAVC) system is established in the paper.
将混成控制系统理念引入电力系统的静态电压控制,提出了静态混成自动电压控制系统。
The automatic control system is put forward, which is about reactive voltage centralized optimization of county class power network.
提出了县级电网无功电压集中优化自动控制系统,其优化目标是各变电站电压合格率及网损优化。
The concept of Hybrid power control system is introduced to the power systems' voltage control, and the static Hybrid Automatic voltage control (HAVC) system has been established in the paper.
本文将混成控制系统理念引入电力系统的静态电压控制,提出了静态混成自动电压控制系统。
Automatic voltage control soft system of local power net gets real-time data from SCADA system to analyze power net mathematically.
地区电网自动电压控制系统主要通过调度自动化scada系统采集实时遥测遥信数据进行在线分析计算。
Based on the balance of the instantaneous power of the distribution static synchronous compensator (DSTATCOM) system the direct output voltage control strategy for voltage control is proposed.
为寻求性能优良、容易实现的配电静止同步补偿器(DSTATCOM)的电压控制策略,根据DSTATCOM系统中的瞬时功率平衡理论,推导出了DSTATCOM用于控制电压时的直接电压控制策略。
The AC-DCAC voltage source inverter composes the main circuit of this variable frequency system and CPLD is the logic control device of the power device (IPM).
该变频调速系统主电路采用交-直-交形式,以(CPLD)作为调速系统逆变电路功率开关器件(IPM)的逻辑控制器件。
This article has discussed the system structure and the control strategy of the voltage and reactive power coordinated control system.
本文对电压无功协调控制系统的结构和控制策略进行了研究。
A distributed coordinated voltage control strategy used in power system urgent state is proposed.
提出了一种多控制手段的协调分布式电压紧急控制方法。
To make full use of the WAMS/PMU in the security monitoring, protection and control of power system, PDSR in phase angle-voltage space was studied.
为充分发挥含PMU的广域量测系统(W AM S/PMU)在电力系统安全预警、保护与控制中的作用,研究了节点相角-电压空间上保证暂态稳定的动态安全域的边界性质。
DC power supply is mainly provide constant voltage power supply for control circuit, driver circuit and a variety of protection circuits and allows the system to work properly.
直流稳压电源主要是用于对系统中的控制电路、驱动电路以及各种保护电路提供恒压电源,使得系统能够正常工作。
An intelligent control system of high current low voltage pulse power supply is introduced in this paper.
介绍了针对大电流、低电压的脉冲电源的智能控制系统。
Digital control of VSCF power system, which USES DSP as its control core, realizes the control of inverter and voltage regulator, as well as the system protection.
变速恒频电源数字控制技术以dsp作为控制核心,主要实现对变换器的控制和发电系统电压调节,同时也实现了系统保护功能。
Increases both the steady state and transient stability limits of the generator with respect to the power system by continuous, fast control of the exciter voltage to match the generator requirements.
通过连续、快速控制励磁机电压以与发电机的要求相匹配来提高发电机对于电力系统的稳态和暂态稳定性限度。
An expert system of voltage and reactive power control for substation is presented.
提出了一个变电站电压无功综合控制专家系统。
An algorithm for voltage and reactive power control device based on expert system is proposed.
提出了一种基于专家系统的变电站电压无功控制装置设计方案。
Voltage control and reactive power optimization are effective means to increase rate of qualified voltage, reduce grid losses, and improve the system stability.
电网的电压控制和无功优化是提高电压合格率,降低网损,提高系统稳定性的有效手段。
The experimental results of proposed power quality control system in restraining harmonic voltage and of its synchronous operation with a power system are presented.
通过电能质量控制系统与电网间同步运行试验和谐波电压抑制试验,实现了逆变器与电网的同步运行控制以及负载谐波抑制控制。
A neighbourhood topology based particle swarm algorithm (NTPSO) is proposed for optimal reactive power dispatch and voltage control of power system.
提出了一种基于邻域拓扑粒子群优化算法(NTPSO)的大规模电力系统无功优化新算法。
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