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An electric motor has specifications: voltage is 380 V, 3 phase, frequency is 50 Hz, 1500 rpm, cos phi is 0.8 and real power on the name plate is 22 kW. Convert to HP (Horse Power) and calculate, how many current of electricity will flow into the motor? Connection of 3-Phase Motor :catat: Answer: 1HP = 0.75 kW --> 22 kW / 0.75 kW x 1 HP = 29.33 HP
Solved The electric motor is a 3phase, 4pole (per phase)
The power a three-phase motor consumes while running under full load at its rated speed is given in watts or kilowatts. Watts and kilowatts are units of electrical power. Power can be calculated directly from voltage and current in a simple calculation. Find the motor voltage on the three-phase motor nameplate.
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Whereas 1 HP = 745.6 kW %Efficiency of the motor is defined as its rated efficiency and it is ration between output input. Service factor is the ratio of actual maximum power to the rated power mentioned on the plate of the motor. Example # 1: A 230 volt three phase, 1/2 HP induction motor has an efficiency rating of 88% and a power factor of 85%.
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Calculate the total power consumption of the 3 Phase 30HP motor is operating for 38 days at 70% of the full load and the motor is operated at 14 hours per day. Step1: First calculate the total number of hours. T (h) = 38 * 14 = 532 hours. Use our power calculation formula, E (kWh) = 0.746 * 30 * 532 * 0.7 = 8334 kWh.
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motor data. Typical Single Phase & Three Phase Motor Data: Provides typical FLA, SC protection, conductor size, and motor starter information. >.
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An electrical motor is an electromechanical device that converts electrical energy into mechanical energy. In the case of three-phase AC ( Alternating Current) operation, the most widely used motor is a 3 phase induction motor, as this type of motor does not require an additional starting device. These types of motors are known as self-starting.
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Three Phase Motors. If you're looking for a 3 phase motor price, we have you covered! We are specialist industrial electric motor suppliers, so you know that our range of 3 phase motors are suitable for commercial and industrial applications. We offer both Brook Crompton and TEC three phase electric motors for sale, as well as TEC single.
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3-Phase Power Formula Here's the simple formula we use to calculate power on a 1-phase AC circuit: P (kW) = I (Amps) × V (Volts) ÷ 1,000 Basically, we just multiply amp by volts. The '1,000' factor is there to convert from W to kW; we want the resulting power to be in kilowatts. 1 kW = 1,000W.
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From our cable size calculator, the full load current of the 5.5kW motor is 10A. Cable size = 1.5 x 10 =15 A. Hence, the required cable shall able to carry minimum 15A current. Look at the Cable current rating Chart, 2.5Sqmm copper has the ability to carry 18 Amps, hence 2.5sqmm is suitable for 5.5kW/7.5HP motor.
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Three phase motor loading chart. The following table shows the load current drawn by three phase motors of various power ratings and supply voltages. To read this table, look up the power of your motor in the either of the yellow columns and then read along to the appropriate voltage current. The value indicated is the full load current in amps.
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Selection Tables - Three Phase Motors AC Motors - full load current tables (1450rpm approx.) (provided as a guide to the selection of suitable MEM control gear). The tables are based on motors of approximately 1450rpm of average efficiency and power factor.
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Useful Motor Technical Information. By Steven McFadyen on March 28th, 2012. Sometimes it's useful to be able to quickly lookup a piece of technical information. This note is a collection of information related to motors, and in particular ac induction motors. Contents [ hide] Typical Motor Full Load Currents. Typical Single Phase Motor Currents.
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Look at the table of motor kW to cable size chart. The chart is prepared based on the direct online start and star-delta starting. Note that, using aluminium cable for low rating motor up to 1.5kW/2HP motor is not recommended. Here 2R indicates Two Run cables. The cable size chart is suitable for both single-phase and three-phase.
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Synchronous motors: synchronous motors are three-phase AC motors which run at fixed speed, without slip, and are generally applied for large outputs (due to their relatively high costs in smaller frame sizes). Induction motor : these motors generally run at a constant speed which changes slightly when mechanical loads are
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Whether its a 3-phase or single phase voltage supply. Rating (P). The power rating of the motor in kW or hp. Power factor (cosΦ). The rated power factor of the motor. Typically around 0.86. Efficiency (η). The efficiency of the motor. Typically around 95%. Enter 95. How do you calculate motor current for a 3 phase and single phase motor? 3.
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The starting current of a 3-phase induction motor is typically 5 to 7 times higher than the rated current. This is because the motor requires a higher current to overcome the inertia of the rotor and start rotating. The high starting current can cause voltage drops and disturbances in the power supply.
