Dynamic high energy switch
First Claim
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1. An AC power load controlling device comprising:
- a processor;
a pair of power feed lines connected to a load;
a sensor adapted to measure complex load voltage and current of the load and communicate a value representative of the complex load voltage and current to the processor;
the sensor comprising an opto-coupler, resistor and at least one triac adapted to shunt a controlled amount of current from the power feed line through the opto-coupler;
the sensor also including a thermistor that senses temperature of the triac adapted to feed temperature information to the processor;
a controller receiving a signal from the processor related to the complex load voltage and current;
a switch in communication with the controller adapted to electrically connect and disconnect reactive load control elements to and from the connected load upon receiving a signal from the controller thereby correcting load imbalance and harmonic distortion.
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Abstract
A dynamic high-energy switch used for correcting load imbalance through connecting and disconnecting capacitance in a power feed circuit.
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Citations
10 Claims
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1. An AC power load controlling device comprising:
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a processor; a pair of power feed lines connected to a load; a sensor adapted to measure complex load voltage and current of the load and communicate a value representative of the complex load voltage and current to the processor; the sensor comprising an opto-coupler, resistor and at least one triac adapted to shunt a controlled amount of current from the power feed line through the opto-coupler; the sensor also including a thermistor that senses temperature of the triac adapted to feed temperature information to the processor; a controller receiving a signal from the processor related to the complex load voltage and current; a switch in communication with the controller adapted to electrically connect and disconnect reactive load control elements to and from the connected load upon receiving a signal from the controller thereby correcting load imbalance and harmonic distortion. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An AC power load controlling device comprising:
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a processor driving a power transistor, the power transistor causing a relay to close when said power transistor conducts; a surge protection device connected across said relay; a capacitor also connected across said relay; the relay, surge protection device and capacitor connected across a AC power line that is connected to a load circuit; a sensing circuit adapted to sample a portion of current flowing through said load, the sensing circuit providing a signal to the processor indicative of phase and harmonic distortion of said current; wherein, the processor causes the relay to open and close switching the capacitor in and out of the load circuit controlling phase and harmonic distortion of said current. - View Dependent Claims (9, 10)
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Specification