US 7,462,952 B2
	Electrical power control system
David Bailey, 280 Leslie Rd., Tampa, Fla. 33634 (US)
Filed on Oct. 23, 2006, as Appl. No. 11/585,552.
Application 11/585552 is a continuation of application No. 10/675378, filed on Sep. 30, 2003, granted, now 7,138,729.
Prior Publication US 2007/0069579 A1, Mar. 29, 2007
Int. Cl. B60L 1/00 (2006.01); B60L 3/00 (2006.01); H02J 3/00 (2006.01); H02J 5/00 (2006.01); H02H 7/06 (2006.01)

U.S. Cl. 307—9.1  [307/45; 361/21]

20 Claims

5. An electrical power control system for use with a recreational vehicle or similar load to selectively control power thereto from either a utility power source or a generator power source comprising a power control stage coupled to the utility power source and the generator power source by a power supply stage wherein said power supply stage includes a low-voltage direct current power supply to operate the electrical power control stage and a utility/generator switch arrangement to selectively direct the power from either the utility power source or the generator power source to the recreational vehicle and wherein said power control stage includes a control processor section to monitor polarity, phase and voltage levels, and a load management section to control the operation of the electrical power control system to control the utility/generator switch arrangement to selectively feed power from either the utility power source or the generator power source to the recreational vehicle under a predetermined plurality of operating parameters or conditions and fault conditions, wherein said power control stage generates a control signal to activate the other of said first power control switch or said second power control switch to said first state to supply power to the operating load from the corresponding power source when a malfunction signal is received from said first power control switch or said second power control switch to be deactivated.