| 摘要 |
<p>Chopper control unit for an electric car. Two first chopper devices (CH1), (CH2) control the current of the armatures (A1), (A2) in a shunt motor connected to a power supply (L) for driving an electric car, a second chopper device (FCH1) controls the current in the forward direction in the field coils (SF1), (SF2) of the shunt motor and a third chopper device (FCH3) controls the current in the reverse director in the field coil.</p> |
