CPC H02B 1/202 (2013.01) [H02J 3/381 (2013.01); H02J 7/00 (2013.01); H02J 9/06 (2013.01); H02J 2300/24 (2020.01); H02J 2300/28 (2020.01)] | 20 Claims |
1. An apparatus for isolation of electrical loads to be powered by a back-up system, from standard electrical loads during a utility power outage, comprising:
an electrical panel comprising:
a first panel section configured to supply power to a first set of electrical loads, and
a second panel section configured to supply power to a second set of electrical loads by a back-up system;
a first circuit breaker in the first panel section connected to a first bus bar and a second bus bar of the first panel section, the first bus bar and second bus bar connected to a utility power source configured to conduct utility power from the first bus bar and the second bus bar of the first panel section to a relay;
a second circuit breaker in the second panel section connected to a first bus bar and a second bus bar of the second panel section, the second circuit breaker connected to the relay, configured to conduct the utility power from the relay to the first bus bar and the second bus bar of the second panel section when there is no utility power outage, and to be isolated by the relay from the first panel section when there is a utility power outage;
a third circuit breaker in the second panel section connected to the first bus bar and the second bus bar of the second panel section, connected to a first power source of the back-up system, and configured to conduct power to the first bus bar and the second bus bar of the second panel section; and
a fourth circuit breaker in the second panel section connected to the first bus bar and the second bus bar of the second panel section, connected to a second power source of the back-up system, and configured to conduct power to the first bus bar and the second bus bar of the second panel section to supplement the first power source.
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