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Patent Searching and Data


Title:
METHOD OF PREVENTING BREAK IN INSULATED WIRE AND INSTANTANEOUS POWER FAILURE
Document Type and Number:
WIPO Patent Application WO/1999/059230
Kind Code:
A1
Abstract:
An aerial distribution cable consisting of insulated wire (1) is laid in parallel with an insulated wire (7) for field relaxation of double the length that causes creepage flashover but does not cause AC dynamic current in the event of lightning surege. The insulated wire (7) for field relaxation is supported in the middle by a support insulator (3) for the insulated wire (1) and is connected with the conductor of the insulated wire (1) at both ends (8). The connections between the two wires are provided with insulating covers (9). This provides preventions against breaks in the insulated wire and instantaneous power failure.

Inventors:
MOROOKA YASUNARI (JP)
Application Number:
PCT/JP1999/002418
Publication Date:
November 18, 1999
Filing Date:
May 11, 1999
Export Citation:
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Assignee:
KYUSHU ELECTRIC POWER (JP)
MOROOKA YASUNARI (JP)
International Classes:
H01T4/14; H01B17/46; H02G7/00; H02G13/00; (IPC1-7): H02G13/00; H02H9/04
Foreign References:
JPS4745791B11972-01-18
JPS5622518A1981-03-03
JPS60160414U1985-10-25
JPH04347534A1992-12-02
JPH09331630A1997-12-22
Other References:
See also references of EP 0998001A4
Attorney, Agent or Firm:
Kohori, Susumu (Room 401 1-1, Hakataekimae 1-chome Hakata-ku Fukuoka Fukuoka, JP)
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