电抗器

It is rare to see a fission reactor in series connected to the low voltage side of the transformer in a step - down substation .

作为一座降压变电站，其变压器低压侧串联一台分裂电抗器运行的情况并不多见。

By use of time-varying Fourier coefficient series of power system variables, new dynamic phasor models of thyristor-controlled reactor are developed. In this model the higher order harmonic components that have less impacts on dynamic characteristic of TCR are neglected, and through the average operation of time-domain model of TCR, a dynamic phasor state-space model of TCR is derived.

利用电力系统变量的时变傅里叶系数得到晶闸管控制电抗器(thyristor controlled reactor，TCR)的动态相量模型，该模型忽略了对TCR动态特性影响较小的谐波分量，并通过对TCR时域模型的平均运算获得动态相量状态空间模型。

This paper mainly introduces the electrical characteristics of the Robot MOSFET Arc Welding Invertor and its arc welding technological properties. Emphases are laid on the analyses of the current and voltage wavefonns of the main circuit as well as the energy loss of the MOSFETs. The different static characteristic curves and parameters of electrical reactance are also discussed.

研究了机器人场效应管式弧焊逆变器的电气性能和弧焊工艺性能，并着重对其逆变主电路电流、电压波形、管组功耗进行分析研究，以及探讨如何采用不同形状的外特性曲线与合理设计电子电抗器的电参数，从而提高弧焊机器人对不同工件开关、不同弧焊方法的适应性，实现贫飞溅的焊接。

A macro code for calculating magnetic field and reactance of neutral grounding reactor is developed.

以ANSYS/Emag电磁场计算软件为研究平台，编制了计算中性点接地电抗器磁场和电抗的专用宏命令程序。

On the ANSYS/Emag platform, a macro code which can calculate the magnetic field and reactance of shell-type air-core reactor is made. Furthermore, the outer boundary of the field and the control strategy of element size is determined.

以ANSYS/Emag为平台，编制了计算壳式空心电抗器磁场和电抗的专用宏命令程序，确定了场域模型外边界选择和剖分网格控制方法。

Water source heat pump is the use of magnetic amplifier principle of the series in the power supply and manufacture of electric motors and electric heat pump water between the reactor consisting of soft-start device.

水源热泵是利用磁放大器原理制造的串联在电源和电动机之间的水源热泵和电抗器构成的软启动装置。

When a digital control panel to start regulating magnetic amplifier control winding excitation current, to change the saturable reactor to start the electrical resistance value of adjustable voltage drop, to achieve soft-start motor.

启动时通过数字控制板调节磁放大器控制绕组的激磁电流，改变饱和电抗器的电抗值调节启动电压降，实现电动机软启动。

The voltage fluctuation and the harmonic distortion are limited within the demand of the national standard with the thyristor controlled reactor/transformer, multigroup switchable capacitor banks and hybrid active filter in the 10KV grid.

在10KV侧采用分组投切的滤波器，晶闸管控制的电抗器/变压器及混合滤波技术，使电网的电压波动及谐波电压因素限制在国家标准的范围内。

However, the series tuned filter not only has the de-tuning problem but also inject fundamental impedance into the neutral line.

针对上述问题，本文提出了基于有源电抗器的连续自动调谐型零序谐波滤波器，有效解决了失谐和基波阻抗的影响。

It is recommended that check of line overvoltage should be done before CLI is installed in transmission line.

建议在安装限流电抗器之前，对线路工频过电压进行校核，以保证运行安全。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。