Apparatus and method for staged power load transfer
First Claim
1. An apparatus for isolating electrical loads during a power supply transfer interruption event, comprising an electrical circuit interposed between an electrical power source and a load, and comprising:
- (a) a voltage detector for continuously detecting voltage supplied to the load from the power source, comparing the detected voltage against a predetermined desired voltage and outputting a signal indicative of an out-of-limits voltage condition from the power source to the load;
(b) an interrupt switch for receiving the output from the voltage detector and interrupting the supply of power to the load during an interval of no more than 1 cycle of the power supply after detecting the out-of-limits voltage condition; and
(c) an automatic reset switch for restoring the power supply to the load.
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Abstract
An apparatus for isolating electrical loads during a power supply transfer interruption event, including an electrical circuit interposed between an electrical power source and a load which has a voltage detector for continuously detecting voltage supplied to the load from the power source, comparing the detected voltage against a predetermined desired voltage and outputting a signal indicative of an out-of-limits voltage condition from the power source to the load, an interrupt switch for receiving the output from the voltage detector and interrupting the supply of power to the load during an interval of no more than 1 cycle of the power supply, and a reset switch for restoring the power supply to the load.
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Citations
15 Claims
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1. An apparatus for isolating electrical loads during a power supply transfer interruption event, comprising an electrical circuit interposed between an electrical power source and a load, and comprising:
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(a) a voltage detector for continuously detecting voltage supplied to the load from the power source, comparing the detected voltage against a predetermined desired voltage and outputting a signal indicative of an out-of-limits voltage condition from the power source to the load;
(b) an interrupt switch for receiving the output from the voltage detector and interrupting the supply of power to the load during an interval of no more than 1 cycle of the power supply after detecting the out-of-limits voltage condition; and
(c) an automatic reset switch for restoring the power supply to the load. - View Dependent Claims (2, 3, 4)
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5. An apparatus for isolating electrical loads during a power supply transfer interruption event, comprising an electrical circuit interposed between an electrical power source and a plurality of loads, and comprising:
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(a) a plurality of voltage detectors for continuously detecting voltage supplied to the plurality of loads from the power source, comparing the detected voltage against a predetermined desired voltage and outputting a signal indicative of an out-of-limits voltage condition from the power source to any one of the plurality of loads;
(b) an interrupt switch for receiving an output from the voltage detectors and interrupting the supply of power to the loads in no more than 1 cycle of the power supply after detecting an out-of-limit voltage condition; and
(c) an automatic reset switch for restoring the power supply to the loads. - View Dependent Claims (6, 7, 8)
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9. A method for isolating electrical loads during a power supply transfer interruption event, comprising the steps of:
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(a) continuously detecting a voltage supplied to the load from a power source;
(b) comparing the detected voltage against a predetermined desired voltage;
(c) outputting a signal indicative of an out-of-limits voltage condition from the power source to the load;
(d) interrupting the supply of power to the load during an interval of no more than 1 cycle of the power supply after detecting an out-of-limits voltage condition; and
(e) restoring the power supply to the load upon termination of the out-of-limits voltage condition. - View Dependent Claims (10, 11, 12)
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13. A method for isolating a plurality of loads during a power supply transfer interruption event, comprising the steps of:
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(a) continuously detecting voltage supplied to the plurality of loads from the power source;
(b) comparing the detected voltage against a predetermined desired voltage;
(c) outputting a signal indicative of an out-of-limits voltage condition from the power source to any one of the plurality of loads;
(d) interrupting the supply of power to the loads in no more than 1 cycle of the power supply; and
(e) restoring the power supply to the loads upon termination of the out-of limits voltage condition. - View Dependent Claims (14, 15)
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Specification