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L-L and L-N voltage calculator
In three-phase systems, L-L and L-N voltage calculations ensure proper equipment selection and safe installations.They influence load balance, transformer connections, and protection setup—this guide explains formulas, values, and real applications. kW ↔ Amps Calculator kW → Amps Amps → kW Power (kW): System: Single-phase ACTwo-phase ACThree-phase ACDirect Current (DC) Voltage: Other voltage: Power factor: 0.70.750.80.850.90.951Other … Read more
Typical common efficiencies of electric motor ODP and TEFC
NEMA Design B Electrical Motors Efficiency Electrical motors constructed according NEMA Design B must meet the efficiencies below. Power (hp) Minimum Nominal Efficiency1) 1 – 4 78.8 5 – 9 84.0 10 – 19 85.5 20 – 49 88.5 50 – 99 90.2 100 – 124 91.7 > 125 92.4 1) NEMA Design B, Single Speed 1200, … Read more