Methods and apparatus for current sensing in mutually...

Details Methods and apparatus for current sensing in mutually... Methods and apparatus for current sensing in mutually...

2008-12-11

2011-10-25

Patel, Rajnikant (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S283000, C323S272000

Reexamination Certificate

active

08044650

ABSTRACT:
Methods and apparatus for current sensing in mutually coupled inductors according to various aspects of the present invention may operate in conjunction with a control system adapted to control current through the inductors and multiple current sensors connected to the control system. Each current sensor may comprise a series combination comprising a capacitor and a resistor. The series combination may be connected in parallel with one of the inductors, and may be adapted to generate branch inductor current signals according to a sensed current in the connected inductor. In addition, a coupling capacitor may be coupled between at least two of the current sensors to compensate a time constant of the current sensor for mutual coupling inductance between the inductors.

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patent: 6912144 (2005-06-01), Clavette
patent: 7002325 (2006-02-01), Harris et al.
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