FIELD: transport.
SUBSTANCE: controller power section comprises power switches connected to control device. Note here that power components of said switches and their load are connected to controller power output terminals. Switch control device and power section are provided with separate overvoltage protection devices and/or those of protection against feeding reverse polarity supply voltage to controller. Controller feed circuit incorporates choke, or polyswitch, or thermistor, or low-value resistor, or fuse, or Schottky diode, or rectifier, or field transistor, or normally-open contacts of electromechanical relay.
EFFECT: higher reliability.
16 cl, 2 dwg
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