For the rapidity and traffic density of trains on high-speed railway, larger traction power is needed, so the electric power supply is adopted.
高速铁路列车速度快、行车密度大，要求牵引功率高，电力牵引成为高速铁路动力牵引的必然选择。
2
Article 44 the competent department in charge of electricpower shall guarantee the power supply for railway traction and critical loads arising in railway operation.
第四十四条电力主管部门应当保证铁路牵引用电以及铁路运营用电中重要负荷的电力供应。
3
High power GTO inverter is used for railwayelectric traction. Its PWM control is significantly different from variable frequency drive system in conventional industrial area.