ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Excel Table :
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ParameterFormulaValue
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Input Data
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Power (P)2525 kW
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Frequency (f)5050 Hz
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Voltage (V)415415 V
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Speed (N)28802880 RPM
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Power Factor (P.F)0.870.87
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Efficiency (η)0.8888%
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Winding Factor (Kw)0.94510.9451
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Magnetic Loading (Bav)0.480.48 Wb/m²
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Electric Loading (ac)2100021000 A/m
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L/τ0.70.7
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Motor Pole22
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CalculationsFormulaValueFormula
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KVA Rating (Q)32.6532.65 KVAQ = KW / (Efficiency * Power Factor)
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Synchronous Speed (Ns)30003000 RPMSynchronous Speed = 120 * Frequency / Poles
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Synchronous Speed in RPS5050 RPS
Speed in RPS = Synchronous Speed / 60
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Output Coefficient (C0)104.37104.37C0 = 1.11 * π² * Bav * ac * Kw * 10^-3
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D²L0.00630.0063D²L = Q / (C0 * Ns)
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Rotor Diameter (D)0.17860.1786 m
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Core Length (L)0.19620.1962 mL = (π * D / P) * 0.7
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Flux per Pole (Φm)0.02640.0264 WbΦm = Bav * (π * D * L / 2)
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Stator Turns per Phase (Tph)7575Ts = Es / (4.44 * Kw * f * Φm)
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Stator Current (Is) A26.2326.22 AIs = Q / (3 * Es * 10^-3)
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Conductor Size mm²7.4947.49 mm²A = I / J
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Total Slots2424Slots = qs * 2 * 3
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Conductors per Slot1920Zs = Total Conductors / Slots
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Peripheral Speed m/s2827.948 m/sUa = π * D * n
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Slot Pitch in m0.023422 mmSlot Pitch = π * D / Slots
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