Electric load apparatus, electric load controlling method...

Details Electric load apparatus, electric load controlling method... Electric load apparatus, electric load controlling method...

2002-10-03

2010-12-07

Ip, Paul (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Brushless motor closed-loop control

C318S400280, C318S400300, C318S801000

Reexamination Certificate

active

07847499

ABSTRACT:
An electric load apparatus (100) includes a DC power source (B), a voltage sensor (10, 20), system relays (SR1, SR2), a capacitor (11, 13), a DC/DC converter (12), an inverter (14), a current sensor (24), a rotation sensor (25), a control apparatus (30), and an AC motor (M1). The control apparatus (30) restricts an increase amount of consumed power in the AC motor (M1) in a range in which the driving operation of the electric load apparatus (100) can be maintained, when the increase amount of the consumed power in the AC motor (M1) exceeds an allowable power that can be supplied from the capacitor (13) to the inverter (14).

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