Electricity: power supply or regulation systems – External or operator controlled – Using a transformer or inductor as the final control device
Patent
1986-04-24
1987-07-07
Beha, Jr., William H.
Electricity: power supply or regulation systems
External or operator controlled
Using a transformer or inductor as the final control device
323345, 323361, 336144, 336147, G05F 300
Patent
active
046789863
ABSTRACT:
An electric transformer for supplying an adjustable electric magnitude, especially for regulating purposes, includes several modules having therebetween a binary progression relationship with respect to their power handling capabilities. Each module has a switching network for selectively rendering it operative or inoperative and, each module has at least one primary circuit input coil, the primary coils of each of the modules cooperating with one single secondary output circuit which is common to all of the modules. The switching network of each module being so connected as to allow the neutralization of the effect of the electronic induction of its respective primary coil or coils on the common secondary circuit, while maintaining the magnetic activity of the primary circuits.
REFERENCES:
patent: 3195038 (1965-07-01), Fry
patent: 3711747 (1973-01-01), Sahara et al.
patent: 3825925 (1974-07-01), Drusch
patent: 3995137 (1976-11-01), Okada et al.
patent: 4011499 (1977-03-01), Betsill et al.
Weichert, "Adjustable Magnetic-Coupled Transformer", IBM Tech. Discl. Bul., vol. 11, No. 4, p. 409, Sep. 1968.
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