Study to investigate the basic switching impulse insulation level requirements for a 1200 kV CGIT cable system
A study was performed to determine the switching surge voltages a prototype 1200 kV CGIT cable may be exposed to under service conditions. The results of this study were used to establish the system's basic switching impulse insulation level requirements. An investigation was made of a suitable CGIT model to be employed for use on the Westinghouse transient network analyzer. The model chosen was applicable for the cable when its sheaths are solidly grounded. This model was employed for each of the four cable lengths investigated. Cable lengths of 600 ft, 2 miles, 10 miles and 50 miles were investigated in four general system configurations, in all 47 systems were studied.
- Research Organization:
- Department of Energy, Washington, DC (USA). Div. of Electric Energy Systems
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 5857543
- Report Number(s):
- DOE/ET-2061-2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
200300* -- Electric Power Engineering-- Power Transmission & Distribution-- (-1989)
24 POWER TRANSMISSION AND DISTRIBUTION
AC SYSTEMS
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATION
EQUIPMENT
POWER SYSTEMS
POWER TRANSMISSION
POWER TRANSMISSION LINES
SWITCHES
UHV AC SYSTEMS
UNDERGROUND POWER TRANSMISSION
24 POWER TRANSMISSION AND DISTRIBUTION
AC SYSTEMS
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATION
EQUIPMENT
POWER SYSTEMS
POWER TRANSMISSION
POWER TRANSMISSION LINES
SWITCHES
UHV AC SYSTEMS
UNDERGROUND POWER TRANSMISSION