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近几年来,试验车监测设备的装备程度已经提高。这些设备需要足够容量的电源。不是每辆试验车都有柴油发电机组,另外,柴油发电机运用繁难、外形尺寸大,增加了发生火灾的危险性。因此,试验车最有前途的电源是静态电压变换器。为向“”监测系统供电,设计了一种可控硅电压变换器,它将试验车的蓄电池的直流电压变为220伏单相交流电。变换器输出的额定功率为1千瓦,频率50赫,电压波形接近于梯形。输入端供电电压40～60伏。变换器原理如图。它由两个稳压器、触
In recent years, the degree of equipment testing equipment has increased. These devices require ample power. Not every test car has a diesel generator set. In addition, the diesel generator is complicated to use and has a large size. This increases the risk of fire. Therefore, the most promising power supply for the test car is a static voltage converter. To supply power to the monitoring system, a thyristor voltage converter was designed to convert the dc voltage of the test vehicle battery to 220 volts single-phase AC. The converter output rated power of 1 kW, frequency of 50 Hz, the voltage waveform close to the trapezoid. Input supply voltage 40 ~ 60 volts. Converter principle shown in Figure. It consists of two regulators, touch