Figure 3 Relationships Between Power, Current, Power Factor and Motor Load Example: Input Power Calculation An existing motor is identified as a 40-hp, 1800 rpm
in determining the power required for product grinding (kW): N 1 Dp F 1 M / 3600 1000 ; (4) when determining the power required to overcome friction in the details of
Get PriceJul 18, 2020 If the motor P (kW) is rated in kW means, the power consumption calculation become,. E (kWh) = P (kW) * X * t (h). If the motor power P (W) is rated in Watt
Get PriceThe motor full load current calculator calculates the motor full load current from the following parameters: Voltage (V). The phase-to-phase voltage for a 3-phase
Get PriceJun 19, 2015 Ball Mill Grinding Capacity Calculator; Ball Mill Motor/Power Sizing Calculation; Ball Mill Design/Sizing Calculator; The power required to grind a material
Get PricekW to amps calculator * Use e for scientific notation. E.g: 5e3, 4e-8, 1.45e12. DC amps to kilowatts calculation. The power P in kilowatts (kW) is equal to the
Get PriceGrinding – Ex. 1-1 • You are grinding a steel, which has a specific grinding energy (u) of 35 W-s/mm3. • The grinding wheel rotates at 3600 rpm, has a diameter
Get PriceAmps to kW calculator * Use e for scientific notation. E.g: 5e3, 4e-8, 1.45e12. DC kilowatts to amps calculation. The current I in amps (A) is equal to 1000
Get Price= 0.027 kW. Shaft Pump Power. The shaft power - the power required transferred from the motor to the shaft of the pump - depends on the efficiency of the pump and
Get PriceThe grinding trials were carried out with a pilot-scale grinder at the Metso Paper Fiber Technology Center (MFTC). This single pocket PGW grinder is equipped with a 600-kW motor and its grinding area in the pocket is 0.3 m 2. The grinder was equipped with a Norton A601 N7VG pulp stone, which was dressed with #10/28 spiral burr. The pulp
Get PriceJul 24, 2012 Electrical motor loads are calculated from power in kW and full rated load in kW.Following is the formula how to calculate Motor loads. Example : We have 1 unit Induction Motor with 30 horsepower (hp),running with 34.9 amps for amperage load and 460 volts 3 phase and power factor value is 0.75 and motor efficiency is 85%
Get PriceSelect flow sheet, grinding mills, aspect ratios, diameters, lengths and motor kW, report calculations, mill specifications and recommendations for expansion (if applicable). When requested, provide equipment specifications for all equipment items in a commercial grinding circuit including the SAG mill(s), ball mill(s), trommels, screen(s
Get PriceMotor Load Calculator. What does it cost each year to operate an electric motor? With the motor load calculator you can quickly estimate annual energy use and cost for any electric motor. The calculator is a versatile energy management tool which accepts measured current, full load amps or
Get PriceP is the output power required fr om the motor in kW. m is the averag e mass per passeng er in kg (usua lly 75 kg). g is the accelera tion due to gravity (9.81 m/s
Get PriceELATECH’s ELADRIVE is a drive calculation program allowing efficient and time saving drive calculation with improved performances. Always up to date ELADRIVE online version is always up to date. RELIABLE SOLUTIONS! Fast and easy ELADRIVE offers a step by step drive calculation by an easy to follow menu with improved screen layouts for quicker
Get PriceDec 10, 2003 For a 45 kW motor, the output is 45 kW.If the efficiency is app. 82%, the input is 50 kW. 5 kW is the loss. For identifying the actual value of the following losses , testing and calculation is requred. Windage & friction losses No load magnetic & copper loss Laod copper loss (stator & rotor)
Get PriceElectric motor horsepower: this article explains how to calculate the horsepower of an electric motor if we know its wattage or current draw in amps. We include wiring tables showing the circuit ampacity and wire sizes needed for electric motor circuits including for long wiring runs. The article gives a simple formulat to convert electrical amps to horsepower and explains what data are
Get PriceAs told above that Now by Equation (2) time is time taken by induction motor to reach at rated speed & rated torque at rated voltage. Now if 49∗741 Tst = = 1.474 sec the mean acceleration torque Ʈα and moment of 9.55∗2578 .93 inertia are known we can easily calculate the value of starting time
Get PriceJul 20, 2011 First we must convert from hp to kW using this formula : 1 Hp = 0.746 kW. After that use the formula kW to ampere : For 3 phase power supply ; kW = I x V x 1.732 x pf. For 1 phase power supply ; kW = I x V x pf. Example :-. 1 unit induction motor power rated 25 hp,200 VAC,3 phase,90 % power factor,calculated the full load ampere. Calculation :
Get PriceElectric Motor - Speed vs. Power and Torque. power (kW) torque (Nm) Example - Torque from an Electrical Motor. The torque delivered from an electrical motor producing 0.75 kW (750 W) at speed 2000 rpm can be calculated as. T = (750 W) 9.549 / (2000 rpm) = 3.6 (Nm) Example - Torque from an Electrical Motor
Get PriceKw = (m3/sec x Pressure mmH2O) /102 = 16 x 500 /102 = 78.4 Kw. 2. Using the formula given by Ted as Watt = m3/sec x pressure (pa) 500 mmH2O = 500 x 9.8 = 4900 pascal. so Watt = 16 x 4900 = 78400 = 78400/1000 = 78.4Kw. In both the cases the power is same , I dont think there is any confusions now
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