Electric motor hp to kw

    • [PDF File]2. ELECTRIC MOTORS

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      main reason for low power factor in electric systems. 2.4 Motor Efficiency ... kW Power Factor = Cos φ = kVA Synchronous Speed – Full Load Rated Speed ... Motor Rating Stray Losses 1 – 125 HP 1.8 % 125 – 500 HP 1.5 % 501 – 2499 HP 1.2 % 2500 and above 0.9 %

    • [PDF File]Reference Guide Low Voltage Motors Basics of IEC Motors

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      frame sizes. IEC and NEMA, KW/HP comparisons flow smoothly in smaller ratings. However, in larger sizes, they can vary enough to cause concern in some design applications. An example is the IEC 225S / NEMA 364T areas for 4-pole motors. (See Table A footnote.) In this case, NEMA calls for 75 HP in the frame size in which IEC calls for 50 HP.

    • [PDF File]IEC Frame Motors - State Motor and Control Solutions

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      0.18 thru 1.5 kW (.25 thru 2 Hp) IEC D63 thru D90L Features: IP55 weather proof enclosure, aluminum frame construction. Conforms to IEC 60072-1 and IEC 60034-1. CSA and CSAus #1282269 (LR112981). Applications: Replacement motors for equipment made in Europe requiring IEC metric frame mounting. Metric IEC Frame Motors, Three Phase, 60 Hz, 230 ...

    • [PDF File]MOTOR CURRENT - R&M Electrical Group

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      kW 200 505 440 278 255 192 MOTOR RATING HP APPROX. F.L.C. AT LINE VOLTAGE MOTOR RATING HP APPROX. F.L.C. AT LINE VOLTAGE 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. ...

    • [PDF File]Motor and Battery Primer Site - Electric Car Parts Company

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      MPH, or 1.5 HP for each 1000 pounds of vehicle on level ground. Thus a 4000 pound vehicle would require a minimum of 6 HP. 4000 x 1.5 HP = 6 HP. Aerodynamic Drag Is a function of the speed squared and the frontal area. Your drag goes up exponentially. Meaning that if you drive a very aerodynamic shaped vehicle the drag may be about .7 HP at 25 MPH.

    • [PDF File]IEC QUICK REFERENCE CHART - Electric Motor Warehouse

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      Industrial Electric Motors and Drives Key and Keyseat Dimensions FrameD G F GD Frame D G F GD 63 8.51144 1804842.5 149 71 14 115 5 20055 491610 80 15.51966 2256053 18 11 90 20248 7 2506567.5 2012 10028 248 7 28075 712214 11228 248 7 31580 762214 13238 3310 8 35585 762214 16042 37 128

    • [PDF File]Hybrid Power in Light Aircraft: Design Considerations and ...

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      • 4-stroke petrol engine power rating ~ 1 HP/kg = 0.75 kW/kg • Modern electric motors have an efficiency of ~90% and a power rating of ~ 5 kW/kg • Battery storage capacity is ~200 Whr/kg ie. only 5% of petrol !! • An 80 HP (60 kW) electric motor would save 68 kg in weight = 13.5 kWhr of batteries; this only corresponds to 3.5 kg of petrol

    • [PDF File]Sizing a Generator for a Specific Electric Motor Load, or ...

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      start this motor. Multiply 31 amps x 240 Volts = 7400 Watts or 7.5 KW generator size. Sizing a generator for three phase motor starting LRA : The formula is: Motor HP x KVA per HP x (1000 / (Volts x 1.73)) = LRA. Example: A 20 HP Code G motor connected to 460 Volts requires what LRA? Refer to Chart A and select 6.29 KVA/HP, from Chart A, for ...

    • [PDF File]Motor Current Rating Chart - Sprecher + Schuh

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      Motor Current Rating Chart for Full Load Amps The information in this chart was derived from Table 50.1 of UL standard 508A. The voltages listed are rated motor voltages. The currents listed shall be permitted for system voltage ranges of 110-120, 220-240, 380-415, 440-480 and 550-600 volts.

    • [PDF File]5.0 METRIC IEC STANDARD MOTORS

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      0.37 up to 500 kW - 3000 rpm 0.185 up to 500 kW - 1500 rpm 0.12 up to 400 kW - 1000 rpm 0.09 up to 315 kW - 750 rpm For either higher output and larger size motors and/or other speeds or voltages, please contact our Special Products Department. 5.2 STANDARDS †DIMENSIONAL STANDARDS The main dimensions of our BF series TEFC motors are

    • [PDF File]Motor Sizing Principles

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      Conversion Factor: 1 Hp = 746 W For reference: A 2 Litre petrol Engine at full throttle can produce around 90 kW ... An electric motor is delivering 1kW of mechanical power and consuming 1200W ... The RMS load power should ideally be between 75% and 100% of Rated Motor Power. kW t t t t Pt Pt Pt Pt RMSLoadpower n n n 4.16 5 5 10 4 5 6 5 2 10 ...

    • [PDF File]Energy Efficient 3 Phase - Havells

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      Energy Efficient Electric Motors 6 HAVELLS- MOTORS STANDARD PRODUCT SPECIFICATIONS Motor Type AC Three Phase Squirrel Cage Induction Motor Reference Standard IS:12615: 2014 (IEC 60034-1) Voltage ± Variation 415 Volts ± 10% Frequency ± Variation 50 Hz ± 5% Combined Variation 10% (Absolute Sum) Enclosure TEFC

    • [PDF File]Standard Motor Catalogue - TECO

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      1987 Started Joint venture with Westinghouse Motor Company, USA, one of the leading motor manufacturers in North America 1991 Foundation of TECO Perai, Penang Provence, Malaysia, to serve the local market with low voltage motors 1995 100% take over of Westinghouse motor business by TECO 1995 Foundation of TECO Westinghouse Motor Company

    • [PDF File]Guide to Electric Motor Bearing Lubrication

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      ExxonMobil Guide to Electric Motor Bearing Lubrication The proper lubrication of electric motor bearings is essential to maintaining them in peak operating condition and, ultimately, in reducing unnecessary downtime. This bulletin, for ExxonMobil customers, is intended to serve as a practical guide to the proper lubrication of electric motor

    • [PDF File]Motor Terminology and Electrical Performance Characteristics

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      Motor Starts • Every time a motor starts its components are subjected to mechanical and thermal stress. o Rotors o Winding insulation • Number of starts per time should not be exceeded. o 2 starts loaded with motor at ambient temperature o 1 start loaded with motor at operating temperature o Followed by required cooling time

    • [PDF File]Motor Efficiency and Power Factor

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      An electric motor’s nameplate or rated power is its output power, not its electric input power. Electric power consumption is rated power ... kW = 0.746 kW/hp*100 hp/0.94 = 79.4 kW Calculate present kVA kVA old = 79.4/0.82 = 96.8 kVA Calculate present (system) kVAR: kVAR

    • [PDF File]Electric Motor sizing chart - Elco Motor Yachts

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      ELECTRIC MOTOR SIZING CHART up to 25’ 6 hp 12 hp 20 hp 40 hp 70 hp 100 hp 2.5 kW 5.1 kW 8.5 kW 17 kW 29.75 kW 42.5 kW 70 amps 106 amps 118 amps 167 amps 275 amps 295 amps

    • [PDF File]Determining Electric Motor Load and Efficiency

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      Reasons to Determine Motor Loading Most electric motors are designed to run at 50% to 100% of rated load. Maximum efficiency is usually near 75% of rated load. Thus, a 10-horsepower (hp) motor has an acceptable load range of 5 to 10 hp; peak efficiency is at 7.5 hp. A motor ’s efficiency tends to decrease dramatically below about 50% load.

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