| 摘要 |
An DC machine load device with a capacitive storage comprises a power converter connected to an armature circuit via a current sensor, voltage of the machine is controlled by a voltage sensor, a controlled transistor converter connected to the excitation winding of tested machine, current and rotation frequency sensors of the tested machine, a microcontroller, whose inputs are connected to outputs of analog-to-digital converter and a computing machine, and outputs are connected to the inputs of analog-to-digital and digital-to-analog converters. The capacitive storage, a controlled commutator of capacitive storage circuit, one control transistor converter in tested machine excitation winding circuit are used, the inputs of analog-to-digital converter is connected to the current and voltage sensors of power converter, armature current, rotation frequency and tested machine excitation current, the outputs of digital-to-analog converter are connected to the control input of power converter, to the input of commutator of power converter network circuit, to the control circuit of tested machine control converter, to the input of commutator of capacitive storage circuit. |
