At the same time torque pulsation in circuitcommutation is analyzed and researched chiefly, and overlapping commutation technology is offered in order to reduce this torque pulsation.
同时，着重对电流换相时所引起的转矩脉动进行了研究，发现采用重叠换相技术可减小这种转矩脉动。
2
Based on electrical circuit theory, the formulation of the relation between mutual admittance and converter commutation voltage of the multi-infeed HVDC system was given.
基于电路基本理论知识，推导出多馈入交、直流并联的高压直流输电系统耦合导纳和换相电压关系表达式。
3
The three phase half-wave controlled rectifying circuit is taken as the example in this paper to inllustrate the commutation overlap probelm.