Title:
SECONDARY ARC EXTINGUISHING POWER SYSTEM
Document Type and Number:
Japanese Patent JPS5822521
Kind Code:
A
Abstract:
A secondary arc extinction device is disclosed for an electrical power system which includes a bus bar, an electrical power line connected to the bus bar and a protective relay device. A first reactance is provided with each phase so that one terminal of the first reactance is connected to a respective phase of the power line. A transformer which has a primary winding connected between the second terminal of the first reactance and ground is further provided and a second reactance is connected to the secondary winding of the transformer. A control device provides for control of the second reactance in response to a signal from the protective relay.
Inventors:
OGAWA YASUHIRO
FUKUI ISAO
FUKUI ISAO
Application Number:
JP11976281A
Publication Date:
February 09, 1983
Filing Date:
July 30, 1981
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H02H9/08; H02H3/06; (IPC1-7): H02H3/06
Attorney, Agent or Firm:
Takehiko Suzue