Diesel locomotive consists of two sections - slave and leading sections, each of which contains internal combustion engine, traction generator, traction engines, accessory equipment and their drives connected together by electrical control circuit, which includes the master controller, the electromagnet of the frequency regulator of rotation and power, control knobs of idling of leading section and slave section and the system of connectors and terminals connected together by electric circuits. The electric circuits of control of each section contain control devices.
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