Operation control of internally conductor cooled cable system

Author

Ogawa, Katsunori ; Kurata, Mamoru ; Suzuki, Hiroshi ; Osawa, Susumu ; Kato, Haruhisa ; Ichiyanagi, Naotaka ; Kawasaki, Katsutoshi

Author_Institution

Tokyo Electr. Power Co. Inc., Japan

Volume

4

Issue

1

fYear

1989

fDate

1/1/1989 12:00:00 AM

Firstpage

50

Lastpage

57

Abstract

The development of 275 kV internally-conductor-cooled cable systems is under way for application to long-distance large-capacity (1500 MVA/cct) underground transmission systems. From the viewpoint of the reliability and the energy economy of these systems, the operational control system for the cooling facilities is especially important, because the facilities require large cooling capacity due to the large heat loss of the cable conductor. The cooling device characteristics are described, and the effects of operation control on energy savings are examined. A long-term field test has shown that the computer-controlled operation system is very useful. Simulation results for the operational control system confirm that calculated values are in good agreement with measurement results

Keywords

computerised control; cooling; power cables; temperature control; underground transmission systems; 1500 MVA; 275 kV; computerised control; cooling; heat loss; power cables; reliability; underground transmission systems; Conductors; Control systems; Coolants; Heat engines; Heat transfer; Oil filled cables; Pi control; Pressure control; Proportional control; Temperature control;

fLanguage

English

Journal_Title

Power Delivery, IEEE Transactions on

Publisher

ieee

ISSN

0885-8977

Type

jour

DOI

10.1109/61.19187

Filename

19187