Physics · Power Transmission and Distribution
At high voltages such as 132 kV, 220 kV, or 400 kV, which AC transmission system is commonly used to deliver electrical power to substations?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Single-phase two-wire system
- 2Three-phase four-wire system
- 3Three-phase three-wire system✓
- 4Three-phase two-wire system
Correct answer
Three-phase three-wire system
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