Traditional TCRs compensate reactive power from high voltage side of transformer, so it demands highly of thyristor and its protection and measurement, thus the cost ofequipment is higher.
传统的TCR 型静止无功补偿装置都是在高压侧直接补偿无功，对串联晶闸管的特性以及绝缘、保护和测量都有较高的要求，装置的成本较高。
This paper proposes a method for Var compensation by use a device of thyristor switch series transformer to change the capacitor voltage.
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。
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.
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。
MW DC arc furnace uses the current 2-transformer rectifier bridge thyristor controlled by adjusting the angle trigger to compose 24 pulse wave rectifier circuit.
MW直流电弧的电流控制采用2台整流变压器控制，通过调节晶闸管桥触发角构成24脉波整流电路。
Therefore, application of the single-direction thyristor in AC electric transformer circuit becomes of simplification and standardization.
从而使单向可控硅在交流电力变压电路中使用简单化、标准化。
Therefore, application of the single-direction thyristor in AC electric transformer circuit becomes of simplification and standardization.
从而使单向可控硅在交流电力变压电路中使用简单化、标准化。
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