Patent ID: 6137256
Filing Date: 2000-10-24
Classification: H02P

Abstract:
A controller for controlling the flow of current in a switched reluctance machine comprising:first and second controller circuits, each said first and second controller circuits including:a phase winding associated with a phase of the switched reluctance machine,a commutation switch and a chopping switch for initiating modifications in the flow of current in the phase winding, andfirst and second freewheeling diodes associated with the phase winding;a capacitive circuit connected with said first and second controller circuits including:a capacitor having a first terminal and a second terminal,a first diode for carrying current to charge said capacitor, anda second diode for carrying current to discharge said capacitor; anda DC power supply for providing a supply voltage to the first and second controller circuits, the DC power supply having a first DC potential and a second DC potential.