Power supply controller apparatus for detecting welding of...

Details Power supply controller apparatus for detecting welding of... Power supply controller apparatus for detecting welding of...

2007-07-10

2007-07-10

Ro, Bentsu (Department: 2837)

Electricity: measuring and testing

Electromechanical switching device

Relay

C324S418000, C324S527000

Reexamination Certificate

active

11237113

ABSTRACT:
A power supply controller apparatus is provided for use in a power supply apparatus including a battery assembly. The power supply controller apparatus includes a controller that controls supplying power to a load from said battery assembly through a capacitor connected between first and second contactors by turning on and off each of contactors. The controller detects whether or not each contactor is welded based on an output signal from one output terminal of both ends of the capacitor, when the each contactor is controlled to be turned off and an AC signal is applied to one input terminal of (a) one end of the battery assembly, (b) the other end of the battery assembly, and (c) each connection point between secondary batteries of the battery assembly.

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