A kind of medium voltageAC variable frequency control system, which consists of voltage source inverter, sinuous filter and stepup transformer with variable frequency, is introduced.
介绍一种采用低压电压型变频器、正弦波滤波器和变频升压变压器构成的低-高式中压变频控制系统。
2
T3 on sampling signal panel is sampling transformer, which can convert primary voltage (0 ~ 380v) of primary transformer into 0 ~ 10v ACvoltage.
取样信号板上T3为取样变压器,将整流变压器一次电压(0 ~ 380v)变为0 ~ 10v交流电压。
3
In this paper a new voltage compensator in electric distribution system is discussed, the design employs a PWM AC-AC converter (4, IGBTs per-phase) along with an auto-transformer.
介绍在配电系统中一种新型的电压补偿器,即在自耦变压器中集成pwm AC - AC变换器(每相4个IGBT元件)。