Voltage regulating circuit for uninterruptible power supply

Details Voltage regulating circuit for uninterruptible power supply Voltage regulating circuit for uninterruptible power supply

2008-07-29

2008-07-29

Patel, Rajnikant B (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a transformer or inductor as the final control device

C323S255000, C363S137000, C363S133000, C363S142000, C361S008000, C361S013000

Reexamination Certificate

active

07405544

ABSTRACT:
A voltage regulating circuit has a first switch, a transformer and a second switch. The first switch has an input node, a first node and a second node. The transformer is connected to the switches has a first coil and a second coil. The first coil and the second coil respectively have an end, and the second coil is connected to the first coil in series at a node. The node between the first and second coils is connected to the second node of the first switch. The second switch is connected to the transformer and has a first node, a second node and an output node. The first node is connected to the end of the first coil. The second node is connected to the first node of the first switch. The transformer will not heat up when the transformer needs not to be used.

REFERENCES:
patent: 4717889 (1988-01-01), Engelmann
patent: 4745352 (1988-05-01), McGuire
patent: 4791348 (1988-12-01), McGuire et al.
patent: 5383109 (1995-01-01), Maksimovic et al.
patent: 5883503 (1999-03-01), Lace

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