优点是调流范围宽，输出电压恒定，起火容易，节能。
The utility model has the advantages of wide current-adjusting range, constant output voltage, easy firing and conservation of energy.
三相电压型PWM整流器具有输出电压恒定、能实现单位功率因数运行的特点，甚至可以实现电能回馈电网。
The three-phase PWM voltage source rectifier presented in this paper owns such features as constant output voltage, running under unit power factor and feedback of the power into the power networks.
调节器的作用就是保证发电机在输出电能的电压能够保持恒定，保护设备安全运行。
The role of the regulator is to ensure that the generator output voltage to maintain a constant energy, protect the safe operation of equipment.
应用推荐