Inverter circuit for converting DC power to pulse wave power

Details Inverter circuit for converting DC power to pulse wave power Inverter circuit for converting DC power to pulse wave power

1986-08-05

1987-10-20

Shoop, Jr., William M.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318439, 318293, H02K 2908

Patent

active

047016833

ABSTRACT:
A pulse wave inverter circuit having two PNP transistors and two NPN transistors which are arranged such that the transistors are connected in the form of a bridge. The transistors are turned on and off so as to produce a pulse wave power. A first transistor of the four transistors is connected to a positive terminal of a D.C. power source; a second transistor is connected to a negative terminal of the D.C. power source; a third transistor, which is PNP transistor, has its emitter connected to the positive terminal of the D.C. power source; and a fourth transistor, which is NPN transistor, has its emitter connected to the negative terminal of the D.C. power source. The four transistors are turned on and off by a single switching signal which is fed to the bases of the above-described first and second transistors. This inverter circuit is suitable for driving a brushless motor.

REFERENCES:
patent: 3229181 (1966-01-01), Evans
patent: 3402337 (1968-09-01), Malmborg et al.
patent: 4135120 (1979-01-01), Hoshimi et al.
patent: 4379984 (1983-04-01), Muller
patent: 4535275 (1985-08-01), Muller
patent: 4535276 (1985-08-01), Yokobori
patent: 4542323 (1985-09-01), Doemen
patent: 4600864 (1986-07-01), Sato

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