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. . So, Cost per Day = 18 hr x $.1971/KwHr = $3.5478 or $3.55 Cost per Week = 18 hr x 7 days x $.1971/KwHr = $24.8346 or $24.83 Electric motor efficiencies range from at least 15% for shaded pole motors to as high as 98 percent for permanent magnet motors, depending on the load. Electric Outboard Motors. Rated power factor (if known). Multiply the AC line-to-line voltage by the square root of 3, the power factor and the motor current. Based on the size of eletric cars' electric motor you can calculate the horsepower of that engine. For static load of 320 Kg, your calculation of torque 219 N m is correct. Kilowatts to electrical horsepower. Here's how you can convert kW to HP: 1 kW = 1.341 HP. Electric Outboard Motor 50 HP. its necessary to calculate hp to the amp when our motor rating in hp.so by applying this formula very easily. HP = (120 x 10) / 745.7 Calculated out this gives an electric horsepower of 1.6092. Let us see how we calculate the above formula- Convert Horsepower to Watts The first step to convert HP to amps is to convert HP to watts. Re: Calculate Electric Motor HP Required For A Load. Enter the GPM and PSI (pressure) to calculate Horsepower. Where: Voltage is the average of the three voltages measured: (A-B + A-C + B-C)/3. The appropriate selection of fuses, circuit . It has a max amp draw of 45 amps at 24 volts. If your capacitors burn out quickly there are several common reasons: wrong capacitor size (too small), motor is damaged, or mis-wiring. This motor full-load amperage (FLA) calculator allows you to calculate the full-load current of the AC electric motor. As we calculated the power of our machine in Watts, we can calculate mechanical horsepower by applying the appropriate horsepower conversion: We know that 1 mechanical hp equals 745.70 W. 49.86 HP] SImply take the gallons per minute (GPM) multiplied by the pump pressure PSI then divide that number by the result of 1,714 times efficiency (we used 85% effiencey in this case). Torque can be calculated using Torque = (HorsePower x 5252) / RPM 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 Calculate Current (amps) horsepower (hp) efficiency (%) Power Factor- PF - three phase motors (0 - 1) volts (V) Convert 10W to electrical horsepower: P (hp) = 10W / 746 = 0.013405 hp . This means that a fully loaded 1 HP electric motor would consume anywhere from 0.746/0.7 - 0.746/0.9 kW, which translates to 0.829 - 1.066 kW per hour. We'll convert kW to HP for 3 examples further on: For an average 110 kW gas car . MOTOR HP RECOMMENDATIONS 900-1200 BPH 1500-2000 BPH 2500-3500 BPH 4000-5000 BPH AUGER LENGTH 3200 BPH 3200 BPH 1800 BPH 1800 BPH 1800 BPH 3200 BPH. Step 1: In general there are three types of Hp, however the most used is the electric Hp therefore to convert from electric Hp to kW you must use the formula: H.px0,746 / E and simply replace the variables in this formula. Motor Efficiency Calculator: A Key Formula for Electric Motor Performance Higher CC itself does not always mean that an engine would be better than another. This equation does not compensate for temperature, density or airflow charateristics of any particular fan or blower. This calculator is used to provide a rough estimate of an electric motors output. How to current calculation formula for 3 phase motor | convert hp to Amp | Earthbondhon Electrical formulas - electrical calculation - power calculation- hp horsepower - hp to amps - ampere unit of electric current. Calculated out this gives an input horsepower requirement of. >. Sponsored Links The calculators below can be used to calculate electric motor amps, horsepower and 3-phase kVa. Load Current = P / (1.732 x V x Pf x Eff) > (P = 3 x Vx I Cos = for three phase circuits) This is the full load current cable needs to cater in Ideal condition. 05-25-2011, 06:21 PM #2 Dr.phil Professional Member* Join Date Mar 2011 Location Edna Bay, Alaska Highest concentration of black bears in the US Posts 623 Post Likes Use this formula to estimate motor horsepower. (1HP=746 W) b) If the apparent power, S, drawn by the motor is 10 KVA, what . After entering the required data, click on the "Calculate" button to find out the required fuse rating, Circuit Breaker rating, contactor current rating, and overload setting. Watts to metric horsepower. Then click the Convert Me button. Electric Motor Calculator. Step 3: Use this equation to help figure out what electric motor horsepower (HP) is required to drive a hydraulic pump. A single-phase blower motor has the following data plate information: 5 hp, 230 volts, FLA 20.72, Percent Efficiency 0.86, PF 0.91, SF 1.15. Thus, the horsepower of this motor is 480 volts 50 amps a 92% rated efficiency 746, which = 29.59 hp. ASK AN EXPERT. Watts = Horsepower 746 as we know all motors are not 100 % efficient efficiency usually from 70 % to 99 %. BATTERY : - Select an Item from the Dropdown-List or select "Custom" to enter your own data -. If the effective circuit resistance is 0.20 ohm, calculate the HP output of the motor when the current drops to 90 A. assuming that the flux is reduced by 20 %. Let's take the 74 lbs of thrust trolling motor from Minn Kota as an example. Kilowatt to horsepower conversion is one of the most common ones. motor efficiency = bhp/Power .65=bhp/736 Watts bhp = 0.65*736 Watts *1 hp/746 Watts bhp = .641287 hp Where 1 hp = 746 Watts as the conversion. But in practical situation, there are several derating factors which need to be considered. 03/15/2012 12:08 AM. What do you guys think??? The resulting power equals 0.088 hp. To calculate the horsepower of an electric motor, use this formula: volts amps rated efficiency 746 watts. Electrical Motor Power, Velocity and Torque Equations Torque in Imperial units can be calculated as Tinlb = Php 63025 / n (1) where Tinlb = torque (in lbf) Php = horsepower delivered by the electric motor (hp) n = revolution per minute (rpm) Alternatively Tftlb = Php 5252 / n (1b) where Tftlb = torque (lbf ft) 1 ft lbf = 1.356 Nm Engineering Electrical Engineering A 600 V series motor takes 120 A and operates at 900 rpm when the load is 80 HP. Cable Size Calculation of 125 Kw LT Motor. d.n.F = 2pi x Fd x n = 2pi x torque x rotations per second. Here's the 3-phase power equation: P (kW) = (I (Amps) V (Volts) PF 1.732) 1,000 Your value gets instantly converted to all other units on . Read the GUIDELINES to help you choose your Plane's Power System - Last updated: January, 15 - 2018. Electric Motor Calculator Calculate amps, hp and kVA for electrical motors. So the power conversion of kilowatts to . Calculate the full load current of AC induction motors with this Free Online Motor Current Calculator. So the power conversion of kilowatts to horsepower is given by: P (hp) = P (kW) / 0.745699872. Watch out: these are only "ballpark guesstimates" - check with the manufacturer of your specific motor and application. You can also go to the universal conversion page. After entering the required data, click on the "Calculate" button to find out the full load torque of the motor. It's generally, four times of running current. Definition & Formulas Torque - Horsepower (hp) conversion is a method of converting one unit from other and vice versa. Example: The input horsepower required for a pump that needs to. Electric Outboard Motor 20 HP. Flow = Gallons Per Minute. Contact Us. Estimate Electric Motor & Prop Combo. HD Switch, Nema 1 Enclosed. For this load and torque we can calculate power as below: Power = force x velocity = 2pi. Example: The above motor is operated 18 hours per day. HP = 0.00134 x 400 x 215 = 115 Hp The motor HP rating is 115 Hp. Convert 10kW to mechanic horsepower: P (hp) = 10kW / 0.745699872 = 13.41 hp . Example. Calculate Hydraulic Motor Horsepower. Equation: P = (Q x p)/ (229 x ) or P = (Q x PF)/ (33,000 x ) or 1. For example among the motor type "pool pump" horsepower range may mean different capacitor values. Read on to learn more and find the right VS pump for you. Horsepower (hp) = Voltage x Amperage x % EFF x power factor x 1.73/746. All applications should be reviewed by an engineer before implementation. Motor voltage (V) Phase Motor power rating (kW, hp) PF Motor efficiency (%) Cable sizing calculator AS/NZS3008 Maximum demand calculator AS/NZS3000 Wire size calculator NEC Motor current calculator parameters Voltage (V). Since 1 HP is equal to 746 W simply multiply the horsepower by 746 for this conversion. This calculator provides an estimate of the horsepower of an electric motor. Compared to this, the 3-phase power formula is a bit more complex. Watts to electrical horsepower. Calculating Ampers (when known you know kVA) Phase 1 Gen kVA Volts Required = Ampers Converting kW to kVA kW = kVA Converting kVA to kW kVA = kW Converting HP to kW HP = kW Converting kW to HP kW = HP Genset size calculator HP of Motor = kVA required* (genset needed to start a 3 phase electric motor Direct on Line (DOL) start) Hayward variable-speed pumps are the most energy efficient pumps on the market and deliver huge energy savings from one season to the nextjust two reasons we've been named EPA ENERGY STAR Partner of the Year. This Motor full load current calculator provides a full load current of the motor by selecting rated voltage and load (hp/kW) Formula used in Motor full load current calculator Single Phase AC Motor FLA (Amperes) = (P [kW] 1000) / (V cos ) AC Electric Motor FLA to HP Calculator. Idling current of a 20 HP motor is about half the full . AC Single Phase Amps to HP conversion Formula By example, you have an electric motor of 40Hp, with an efficiency of 88.5%, to know the equivalence in kW, you must . Typical Single Phase & Three Phase Motor Data: Provides typical FLA, SC protection, conductor size, and motor starter information. Power factor is the ratio of true power (kW) to apparent power (kVA). DC Horsepower P (HP) is equal to 0.00134 times of dc voltage V (V) in volts and dc current I (A). As a rule of thumb, the estimated efficiency of many electric engines falls into the range of 70% - 90%. Internal Bearings used at 10' intervals on units run at low capacity or with intermediate drops. Electric cars have electric motors. Electric Outboard Motor 14 HP. Motor Power is the Horsepower of the motor. Understanding the power output of an electric motor Is a higher CC always better? Custom A123 - 2300 LiNP 15/20C AnyRc Lipo 1700 Apogee 830 Apogee 1050 Apogee 1570 Apogee 2480 BlackLine 1700 35C . (Mandatory) The rated power and rated speed of the motor can be found on the nameplate of the motor. This applies to three-phase AC motors. Unfortunately, no hard number can be universally used for efficiency since . 2: Enter the value you want to convert (horsepower, electric). P out =Output power (hp) t=Torque (lbf.ft) N=Rotational speed (rpm) Engineers can also utilize the electric motor horsepower calculators on manufacturers' websites for their motor power calculation needs. [Ans. 40 = (HP x 746) / 220 (40 x 220 ) = HP x 746 (40 x 220) / 746 = Horsepower 11.8 = Horsepower So this is a 12 horsepower motor based on its LRA or FLA rating. Instructions: Select the number of phases from the drop-down list; Enter the motor rated voltage in volts (V) Enter the motor power rating and select the appropriate unit (HP or kW) Enter the power factor and efficiency of the . This is only an experiment and if it slows down app development then we will revert this and enable ES5 builds during dev. Enabling ES5 builds during development: npm run dev --es5 Rearrange the formula of hp to amps for the three-phase line-to-line system P = I 3 V PF / 746. For example, we will convert the horsepower of the average car to watts (150hp). Notes to the tables above. The Equations These formulas calculate the brake horse power and total power. Choose either Brushed or Brushless motor to get the most accurate result. For three-phase motor according to inputs (Voltage and Horse Power) following motor data is calculated: Full Load Amps (FLA) Wire Size. Some small engines with little CC can produce . Brake horse power is the power that a brake would have to absorb to stop a motor output and is how most motors (power output) and also pumps (required power in) are specified. Starting Current, sometimes abbreviated as I start in electrical engineering, is a measure or rating of how much current required for a single or three phase AC motor to get started. The current rating given for the cables is . We can also rewrite the outcome using scientific notation, P = 8.810 hp. Most electric motors develop their mechanical torque by the interaction of conductors carrying current in a direction at right angles to a magnetic field. One electrical horsepower is equal to 0.746 kilowatts: 1 hp(E) = 746 W = 0.746 kW. Voltage: Full Load Amps: Efficiency: True continuous Watts: True continuous HP rating: (rounded to 3 decimal places) Note: Most motors are rated using "Peak HP consumed" which is much higher than "true continuous HP". 1 kW = 1,000W. Dual Elem Time Delay Fuse Amps. One metric horsepower is equal to 735.49875 watts: 1 hp . Similarly, Running Current, sometimes abbreviated as I run is the current required for an AC induction motor to run . When torque is expressed in lb-ft and speed is expressed in RPM, the following formula can be used to calculate horsepower (HP) The electrical power supplied to an electric motor is converted into mechanical power for powering various loads such as pumps. Horsepower (hp) = current draw (amps) x voltage x efficiency x power factor/764 Assume 85% efficiency for the electric motor and 0.9 power factor (typical value). Pressure = Pounds per Square Inch. Input supply voltage. Many countries' regulatory agencies have introduced and implemented regulations to encourage the development and use of higher-efficiency electric motors. The output value can be divded by 60 to determine a rough 0 to 60 time. PowerPact Breaker Cat No. Let's calculate the mechanical horsepower of a machine with a 150 N.m torque value and 1500 rpm speed: Power (W) = 150 N.m * 1500 rpm = 225,000 Watts. The above tool requires the following data for calculation: Motor-rated power in HP or kW. 1hp = 745.67 W. Once we know the value of one horsepower, you can convert horsepower to watts using the following formula: Watts = hp (I) 745.699872. Fans and Blower Horsepower Equation The following is a generic equation to determine the required horsepower to drive the fan or blower element . This is a conversion chart for horsepower, electric (Common Units). What size genset is needed to start a 3 phase electric motor Direct on Line (DOL) start: HP of . Enter GPM (inch) Enter PSI (inch) Horsepower (@ 65% Motor Efficiency) Reset Calculate. getcalc.com's Torque - Horsepower (hp) Converter is an online electrical engineering tool to perform conversion between electrical rotational moment of force (in-lb, ft-lb or Nm) & horsepower (watts). NEMA Motor Data Calculator - Schneider Electric. Apply the values (we can approximate the square root of 3 as 1.73 ), P = 0.5 1.73 100 0.8 95% / 746. Electric Outboard Motor 5 HP. The various types of electric motor differ in the ways in which the conductors and the field are . Power Calculators for quick electrical generator power consumption, sizing, and unit conversion. One mechanical or hydraulic horsepower is equal to 745.67 Watts. Electric Outboard Motor 9.9 HP. electric motor, any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena. provide 10 GPM at 2000 psi is: HP= (10 x 2000) / 1714. Engineering Electrical Engineering A 10 HP, 240 volt single-phase motor is 84% efficient and turns a 10HP mechanical load. Bass Pro Shops is your trusted source for quality fishing, hunting, boating and outdoor sporting goods. Cost per Hour = 2.19 Kw x $.09/KwHr equals = $.1971 Cost per day, week, month, year, etc then depends on how many hours the motor is operated in that timeframe. Using a 20 HP motor on a system which requires only 10 HP, for example, will give good results for running the pump but will consume more electricity than a 10 HP motor and will cause the power factor of the plant electric system to be poorer, especially during periods the motor is idling. Answers and Replies Jul 18, 2010 #2 xxChrisxx 2,051 85 Amperage is the average current of the three phase measured: (A+B+C)/3 % EFF is motor efficiency per motor nameplate. When testing browsers it is recommended to always test in production mode, and ES5 builds should always be enabled during production builds.
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