提出一种用晶闸管开关装置串联变压器来改变电容端电压以调节无功的补偿方法。
This paper proposes a method for Var compensation by use a device of thyristor switch series transformer to change the capacitor voltage.
适当增大逆变器输出滤波电感，合理选择串联变压器原副方变比，或采用电压前馈控制技术为改善其滤波效果的三条有效措施。
Then, the filtering characteristic of the active power filter is analyzed. Three measures which can improve the filtering effect are gained: augmenting the filtering inductance properly;
介绍了同步变压器在IG BT串联技术中的应用及其设计方法，并给出了实验和仿真结果。
The application of synchronous transformer to IGBT serial technology and its design method are introduced. The experimental and simulating results are presented.
采用动铁心式高漏抗变压器，主电路采用单相桥式整流电路与电抗器串联结构形式。
Movable-core high leakage reactance transformer, single-phase bridges rectifying and reactor serial structure for main circuit.
介绍了一种新型无损耗电容变压器，基于电容储能和分压原理，正常情况下串联谐振运行，无磁转换过程中本身无损耗。
A new type of capacitive transformer without losses is introduced based on the principle of capacitance energy storage and voltage distribution.
在进行变压器绕组直流电阻的测量时，变压器绕组可以等效为一个由电阻、电感组成的串联电路。
During the measuring of the DC resistance of a transformer's winding, the winding is equivalent to a resistance-inductance series circuit.
介绍了变压器工频耐压试验的串联调谐装置，对其性能和特性进行了分析，给出了结论。
The series tuning device fOr the power-frequency withstand voltage test is introduced. The characteristics of the device are analyzed. The conclusion is given.
控制器驱动外部NPN晶体管的射极，并与变压器串联构成反激式拓扑，系统通过变压器和光耦实现离线式的要求。
It drives the emitter of an external NPN transistor, and series with transformer to consist a flyback topology. The system is offline through the use of transformers and optocoupler transistor.
励磁变压器的串联电抗恶化了晶闸管的换相工作条件，并在晶闸管元件导通与关断瞬间引起危及到转子励磁绕组安全运行的过电压。
In addition, equivalent series reactance of excitation transformer worsens the condition of the thyristor operation, and it can bring transient over-voltage at the moment of switching thyristor.
差功变压器的次级线圈接成反向串联，以便在平衡时输出为零。
The differential transformer secondary windings are connected in subtractive series so that the output is zero at balance.
常见的工频耐压设备大致可分为两类：传统的升压变压器系统和串联谐振系统。
The common commerical frequency voltage test apparatus are divided into two categories, namely the traditional step up transformer system and series resonance system.
分析了系统等效电阻、并联与串联以及运行变压器负载对和应涌流的影响。
Finally, the effecting parameters are investigated such as system resistance, parallel or series of transformers, and the load of connected transformer.
电流补偿型超导限流器是一种新型的限流器拓扑，它由等效电流源、限流电阻并联后通过连接变压器串联入电力系统。
Current compensation superconducting fault current limiter is a novel topology of FCL which consists of an equivalent AC current source with a limiting resistance in parallel.
通过DSP作为控制器，利用补偿变压器输出可以正负补偿的电压与电网串联，从而实现输出稳定的交流电压。
In this regulator system, a DSP controls bi-directional IGBT triggered and turn-off at zero-crossing to control different combination of secondary coil and realize AC voltage stabilization.
通过DSP作为控制器，利用补偿变压器输出可以正负补偿的电压与电网串联，从而实现输出稳定的交流电压。
In this regulator system, a DSP controls bi-directional IGBT triggered and turn-off at zero-crossing to control different combination of secondary coil and realize AC voltage stabilization.
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