Motor parameter estimation method and apparatus
First Claim
1. A system comprising:
- means for obtaining electrical parameters of an electric motor based on electrical input data of the electric motor; and
means for establishing energy and monetary comparison criteria between the electric motor and an alternative motor.
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Accused Products
Abstract
A system and method for establishing estimated values of electrical parameters of a motor. The electrical parameters may be established from motor databases, measured input electrical data, measured output data, and various estimations to account for unknown motor parameters. Compensations also may be provided for stator resistance, cable resistance, and other motor parameters. Based on the foregoing data, the system and method also may be used to estimate motor operating parameters, such as torque, efficiency, output power, output speed, and other performance criteria of the motor. The system and method also may establish energy and monetary comparison data between the motor and at least one alternative motor.
56 Citations
20 Claims
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1. A system comprising:
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means for obtaining electrical parameters of an electric motor based on electrical input data of the electric motor; and
means for establishing energy and monetary comparison criteria between the electric motor and an alternative motor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 15)
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11. One or more machine-readable media having application instructions encoded thereon, the application instructions comprising:
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instructions adapted to establish estimated values of a plurality of electrical parameters of an electric motor based at least partially on measured motor parameters; and
instructions adapted to establish monetary comparison data of the electric motor versus an alternative motor. - View Dependent Claims (13, 14, 16)
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17. A method of analyzing a motor having a rotor and a stator, comprising:
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providing an instrumentation system with motor input data;
operating the instrumentation system to establish estimated values of a plurality of electrical parameters of the motor based on the motor input data; and
engaging the instrumentation system to establish performance comparison data between the motor and at least one alternative motor. - View Dependent Claims (18, 19, 20)
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Specification