A.C. induction devices having compound resistive coupling of tun

Details A.C. induction devices having compound resistive coupling of tun A.C. induction devices having compound resistive coupling of tun

1993-12-07

1995-07-18

Dougherty, Thomas M.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

323205, G05F 124

Patent

active

054344964

ABSTRACT:
Single and polyphase a.c. induction devices, such as: motors, generators, transformers, welders, ballasts, etc. are so wound as to maximize performance and efficiency. For each phase of such device this invention utilizes a combined pair of windings which are conductively and inductively dependent. An energy supply winding of each combined pair is electrically connected to a corresponding input/output phase, while the remaining, or reflux, winding of each pair is electrically connected in series with a tunable capacitive element and to neutral or electrical ground by means of a linear and non-linear resistive means. The energy and reflux windings of each combined pair are positioned within the device in tight-to-critically coupled transformer relationship with a third inductive input/output component and the capacitive reactance adjusted to reduce to a minimum the net reactive factor of the coupled inductive elements and the net reflected impedance of the input/output circuitry, thus facilitating maximum energy transfer and efficiency.

REFERENCES:
patent: 3895275 (1975-07-01), Rostad
patent: 4473817 (1984-09-01), Perkins
patent: 4672298 (1987-06-01), Rohatyn
patent: 5105327 (1992-04-01), Wohlforth

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