United States Profilo elettrico nazionale | VOLTFORMER
United States: 60 Hz; MV 34.5/24.94/13.8/13.2/12.47/4.16 kV; HV 765/500/345/230/138/115/69 kV; IEEE C57.12.00, IEEE C57.12.26, ANSI C84.1, DOE 2016 10 CFR 43...
United States Profilo elettrico nazionale
United States: 60 Hz; MV 34.5/24.94/13.8/13.2/12.47/4.16 kV; HV 765/500/345/230/138/115/69 kV; IEEE C57.12.00, IEEE C57.12.26, ANSI C84.1, DOE 2016 10 CFR 431, NEMA.
United States Profilo elettrico nazionale
United States
- Grid frequency
- 60 Hz
- Distribution voltages
- 34.5, 24.94, 13.8, 13.2, 12.47, 4.16 kV
- Transmission voltages
- 765, 500, 345, 230, 138, 115, 69 kV
- Low-voltage levels
- 480, 277, 208, 120 V
- MV Lightning Impulse Withstand (BIL)
- 200 kVp
- MV Power Frequency Withstand (1 min)
- 70 kV RMS
- Typical MV Fault Rating
- 25 kA RMS
- MV Neutral Grounding Regime
- solid
- Specific Creepage Distance
- 20 mm/kV
- Design Seismic Acceleration (PGA)
- 0.15 g
- Energy Efficiency Regulation
- DOE 2016 (10 CFR Part 431, Subpart K)