The Apple Grove 750-kV Project-775-kV Radio Influence and Corona Loss Investigations

Abstract
This paper gives the results to date of radio influence and corona loss tests performed at a voltage of 775 kV at the extra-high-voltage test project at Apple Grove, W. Va., a joint research project sponsored by the American Electric Power Service Corporation and Westinghouse Electric Corporation with six other participating companies. Effects of line radio-influence terminations and larger centerphase conductors are discussed. Radio influence and corona loss results are given for there test lines utilizing 4-conductor bundles with subconductor diameters of 1.0, 1.196, and 1.382 inches.

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