合闸

PLC控制的船舶电站准同期并网合闸控制

Switch-On Control of Automatic Synchronization in Marine Power Station Based on PLC

基于MATLAB的误同期合闸仿真

The Simulation of Fault-synchronizing Based on Matlab

基于DSP及永磁机构真空断路器的同步分合闸控制装置

A Control Device for Synchronized Switch Based on DSP and Vacuum Circuit-breakers with Magnetic Drive

基于FFT算法的交流电器选相分合闸技术

Technology of Phase Selection of AC Apparatus Based on FFT

一起SF6断路器机构合闸线圈烧毁故障的处理

A fault treatment of closing coil burning of actuator in sf_6 circuit breaker

SF6断路器分合闸时间及三相不同期超标的处理

Handling of Switching off and Switching in Time and Three-phase Un-synchronization for SF_6 Circuit Breaker

由于变压器铁磁材料的作用，磁感应强度B和磁场强度H呈非线性关系，这也是变压器空载合闸时产生较大励磁涌流的主要原因。

Because of ferromagnetic elements , magnetic induction B and magnetic field H is non-linear , which is the main cause that high inrush current occur during the transformer energisation .

最后针对DG并网后对馈线自动化中重合闸的影响，给出了一定的改进措施。

Some improvements are given out to reduce the impact of DG on feeder automation .

仿真中运用带合闸电阻的开关、RC阻容装置及其氧化锌避雷器来限制操作过电压，并取得了一定的成效。

The switch with closing resistor , RC equipment and MOA are used to limit switching overvoltages . Certain effect is obtained .

重合闸时刻对CCT的影响

The Influence of Reclosing Instant to CCT

第三，利用ADAMS软件对交流接触器操动机构进行了不同合闸相角、不同励磁电压下动态特性的可视化仿真。

Thirdly , visual simulation of actuating mechanism of AC contactor was carried out using ADAMS under different switch phase angle and excitation voltage .

合闸同期性的数值不得超过10mm。

Value of switch on synchronicity shall not exceed10mm .

借助MATLAB软件对不同相序、不同合闸相角条件下，电动机起动过程的电压及电流波形进行仿真研究，并与实验结果进行比较，找出智能化可通信无弧电动机起动器无弧起动的最佳控制方案。

Using MATLAB software , the dissertation analyzes three voltage and current waveforms under different conditions such as different closing phase angle and different phase sequence during the starting process of the motor .

10kV配电线路合闸涌流测试分析

Analysis of On-off Inrush Characteristics of 10 kV Distribution Lines

神头二电厂500kV升压站线路断路器取消合闸电阻可行性论证分析

Feasibility of 500 kV Voltage step-up Station Line Breaker Remove Switch-on Resistance

此外，研究开发的事件顺序记录（SOE）系统能快速准确地判断跳合闸顺序，分析出事故发生的原因。

In addition , SOE system is developed which can quickly distinguish the sequence of switch events , then gives the reasons of failure .

双频DC-DC变换器稳定性分析与控制研究变压器空载合闸及短路过程中绕组稳定性计算

Research on Stability Analysis and Control Technique of Double Frequency DC-DC Converter Calculation on Windings Stability in Condition of Switching No-Load and Short-Circuit for Transformer

220kV断路器液压低闭锁合闸功能的实现

Realization of Interlocking Closer Function under Abnormal Pressure for 220 kV Breaker

采用断路器同步合闸装置解决大朝山500kV系统内过电压问题

Using synchronized-closing device to solve the switching overvoltage problem of a 500 kV power system

500kV断路器合闸时间异常情况分析

Analysis for the Abnormal Phenomenon of the Closing Time in the 500 kV Circuit Breaker

10kV发电机出口开关误合闸及拒绝分闸故障分析与处理

Analysis on false switch-in and failure switch-off of 10 kV generator 's outgoing switch and treatment measures

以同步关合空载变压器为例，阐述了利用人工神经网络实现合闸时间预测、进行Matlab仿真及神经网络模型在DSP上的实现方法。

With an example of synchronous closing an unloaded transformer , the way to predict the closing time based on artificial neural network is demonstrated , and the simulation with Matlab and modeling of artificial neural network in DSP are offered .

为了消除暂态电流，本文阐述了一种基于快速傅立叶变换（FFT）的交流选相合闸技术的原理以及实现方法，保证了检测精度。

In order to eliminate the transient current and ensure the test precision , this paper introduces the principle and the method of phase selection of the AC based on FFT ( Fast Fourier Transform Algorithm ) .

取消330kV断路器合闸电阻试验研究

Field Test and Study on Eliminating Closing Resistors of 330 kV Circuit Breakers

通过对500kV变压器在不同合闸初相角及剩磁状态下空载合闸时的励磁涌流与变压器正常状态下的励磁电流的仿真分析，验证了该模型的正确性。

Simulation of the transformer magnetic inrush current under different closing phase angle , remanent magnetization and the normal current .

本文简要说明断路器取消合闸电阻的可行性，MOA保护能力及保护方式，MOA在操作过电压下吸收能量及操作过电压研究计算条件等；

This paper describes the Possibility of removing closing-resistor in EHV circuit breaker , the protective performance of MOA , the enegy dissipated by MOA during switching and overvoltage calculation .

浅谈110kV备自投合闸回路的接线方式选择

Discussion about choice of the methods of closing circuit line in the 110 kV automatic back-up power supply device

提出了解决此问题的基本思路：通过DT触点开、闭合闸脉冲达到控制合闸的目的。

It is DT contacts , which extinguish arc . The concept to solve this problem is put forward : the trip or close pulses are used to control close operation via DT contacts .

VD4型真空断路器合闸线圈烧毁的故障分析

Analysis and Fault Handling of Frequent Burn-out of Closing Coils for Type VD4 Vacuum Circuit Breaker

LW3-10型柱上断路器合闸机构改进

The Improvement of Column Breaker ′ s Closing Mechanism LW3-10