Closed loop power factor control for drilling rigs

Details Closed loop power factor control for drilling rigs Closed loop power factor control for drilling rigs

1983-08-08

1984-11-13

Pellinen, A. D.

Electricity: power supply or regulation systems

For reactive power control

323212, 322 20, 307 84, H02J 318

Patent

active

044828578

ABSTRACT:
A power factor controller for alternating current/direct current drilling rigs is provided which utilizes a uniquely controlled, unloaded, over-excited generator to provide reactive power to maintain the rig's power factor within prescribed limits during peak demand operations.

REFERENCES:
patent: 3949291 (1976-04-01), Kanngiesser et al.
patent: 4292580 (1981-09-01), Ott et al.

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