Arc furnace is a typical unbalanced impact load. It pours a great deal of negative sequence component to power system, so measures shou ld be taken to compensate the arc furnace load.
电弧炉是一种严重的不对称冲击负载，它将产生大量的负序分量而污染电网，所以需要对其进行平衡化补偿。
The characteristics of arc furnace are low voltage, big current and nonlinear load. Much negative sequence current is produced during running. As a result, the power net is unstable.
电弧炉具有低电压、大电流而且负荷非线性的特点，在其运行过程中产生大量的负序电流，导致电网不稳定。
This control principle can improve the control of power quality and effectively compensate the harmonic currents at load side, reactive power and negative sequence current.
该控制方法能改善系统电能质量的调节，有效地补偿负荷侧谐波电流、无功功率和负序电流。
The unbalanced degrees of current in primary winding under different load conditions are discussed, which are based on the general expressions of negative phase sequence current.
结合负序电流的通用表达式，讨论了在不同负荷条件下的原边电流不平衡度。
The unbalanced degrees of current in primary winding under different load conditions are discussed, which are based on the general expressions of negative phase sequence current.
结合负序电流的通用表达式，讨论了在不同负荷条件下的原边电流不平衡度。
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