Physics · Power Transmission Systems
At high transmission voltages such as 132 kV, 220 kV, or 500 kV, which AC transmission system is standard for delivering bulk power to primary substations?
- 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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