Control device for variable speed electric motor

Details Control device for variable speed electric motor Control device for variable speed electric motor

1985-05-10

1986-10-28

Shoop, Jr., William M.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318333, 136291, 136293, 323906, G05F 167, G05F 1625

Patent

active

046201408

ABSTRACT:
A control device for a variable speed electric motor determines a quantity of light received from a short-circuit current of a solar battery, and also determines a cell temperature of the solar battery from an open circuit voltage, thereby producing a current command signal permitting an optimum load current for an output condition of said solar battery.

REFERENCES:
patent: 4580090 (1986-04-01), Bailey et al.
I. C. Franx, "A New Approach to Solar Pump System Using Submersible Motors", Commission of the European Communities, 2nd E.C. Photovoltaic Solar Energy Conference, Berlin, West Germany, 23-26, Apr. 1979, pp. 1038-1046.

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