Electronic motor starter

Details Electronic motor starter Electronic motor starter

1989-08-15

1990-10-30

Shoop, Jr., William M.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318785, 318789, 318729, H02P 164

Patent

active

049671316

ABSTRACT:
An electronic motor starter for use with a single-phase induction motor in which the hysterisis width can be adjusted in the range of 75 volts by providing for the control of a positive feedback characteristic of NAND gates and a strength of input signal. The motor starter according to the present invention utilizes an induced voltage across the starting winding of a motor to start the motor and maintains a steady operation thereof.

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patent: 4683413 (1987-07-01), Bax
patent: 4804901 (1989-02-01), Pertessis et al.
patent: 4806838 (1989-02-01), Weber
patent: 4862053 (1989-08-01), Jordan et al.

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