Keywords Novel HVDC;HVDC-VSC;Voltage source converter;PWM;Instantaneous;reactive power theory;Steady-state model;Negative sequence component;Hybrid simulation;

• 新型直流输电;电压源换流器;HVDC;HVDC-VSC;PWM;瞬时无功理论;稳态模型;负序分量;等效仿真模型;混合仿真;