Closed loop power factor control for power supply systems

Details Closed loop power factor control for power supply systems Closed loop power factor control for power supply systems

1984-11-09

1986-05-20

Pellinen, A. D.

Electricity: power supply or regulation systems

For reactive power control

323212, 322 20, 307 84, G05F 170

Patent

active

045904162

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: 4482857 (1984-11-01), Porche et al.
Synchronous Condensers for Steel Mill Service by Pollard Iron and Steel Engineer, Jul., 1955.
Arc-Furnace Loads on Long Transmission Lines by LeClair Electrical Engineering Transactions, 4-1940.
Negative Damping of Electrical Machinery by Concordia and Carter, Electrical Engineering Transactions, 3-1941.

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