| 摘要 |
<p>PURPOSE:To enable use of induction voltage regulator linearly varying at its output with respect to its input for an electric motor vehicle controller by employing a field current detector having predetermined input/output characteristics when setting the command voltage of field current in a motor when controlling the motor. CONSTITUTION:The output of an induction voltage regulator 2 is applied through a transformer 3 and a rectifier 4 to a magnetic amplifier 10 as its regular input. The current of the field F of a motor MM is detected by a current transformer 22 having predetermined characteristics, and fed through a current transformer 24 and a rectifier 25 to the negative input side of the amplifier 10. When predetermined characteristics are imparted to the amplifier 10, a phase controller 11 so increases the output of a field power supply PS that the negative input becomes substantially equal to the reqular input. Accordingly, the brake force is divided at equal interval by dividing the output of the voltage regulator 2 at equal interval.</p> |
