Connection control device for controlling the connection of smal

Details Connection control device for controlling the connection of smal Connection control device for controlling the connection of smal

1990-08-13

1992-11-10

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Generator protective circuits

361 79, 361 21, H02H 706

Patent

active

051629640

ABSTRACT:
A connection control device for controlling the connection of a small generator unit, which is installed at the consumer's location, to an electric power system. The connection control device detects variations in frequency components which result from interruptions in the distribution of electric power to the consumer from the electric power system. When a significant variation in a frequency component is present, the connection control device disconnects the consumer from the electric power system in order to prevent injury to line workers.

REFERENCES:
patent: 4752697 (1988-06-01), Lyons et al.
patent: 4851782 (1989-07-01), Jeerings et al.
Abstract of Japanese Patent JP-A-63 287 328.
Abstract of Japanese Patent JP-A-63 294 222.
Ranade, Satish J. et al., "A Study of Islanding in Utility-Connected Residential Photovoltaic Systems", IEEE Transactions on Energy Conversion, Sep. 1989, No. 3, pp. 436-445, N.Y.

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