Calculating kw from amps

    • [DOC File]www.ohio.k12.ky.us

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      operated on a 115 volt circuit. How many amps of current are flowing through the circuit? I = 500 watts ÷ 115 volts = 4.35 amps of current. C. Assume that you know amps and watts, you can calculate how many volts are in the circuit. by rearranging the formula to E = P ÷ I. Assume that there is a 1200 watt coffee. pot pulling 10 amps.

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    • [DOC File]TRANSPORT CANADA Regulator Load Calculations AIRPORTS ...

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      8.5.1 The calculation obtains a value in watts or kW which is the real power. The apparent power or kVA is dependent upon the anticipated power factor of the overall system operated at 6.6 amperes. For some lighting facilities the power factor can be relatively low and should be …

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    • [DOC File]Electricity and Carbon Dioxide

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      Power = current * potential OR watts = amps * volts Measuring power is a convenient way to learn about how much electric energy a device requires. One thousand watts (w) is equal to one kilowatt (kw).

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    • [DOC File]FORMULA SHEET - Homestead

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      Volts x Amps x BTU/watt 1.08 x TD RPM2 ÷ RPM1= S.P.2 ÷ S.P.1 (RPM2 ÷ RPM1)³ = B.H.P.2 ÷ B.H.P.1 3412 BTU's = 1 KW. Calculation of Velocity and Volumes 1. A single duct/ single zone A/C roof top unit is supplying air to the conditioned space by way of a 24” by 12” supply duct. Calculate the air velocity as well as the volume (CFM).

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    • [DOC File]AP Chemistry Lab Manual

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      1 Coulomb = current (amps) * time (seconds) 1 Faraday = 96,500 coulombs = 1mol e-Nernst Equation: E = E˚ - [(0.0257V)/n]*lnQ at 25˚C Solution Practice. A 20.0 g sample of HF is dissolved in water to give 2.0 x 102 mL of solution. The concentration is? How many grams of NaCl are contained in 350. mL of a 0.250 M solution of sodium chloride?

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    • [DOC File]E-Mon D-Mon BACnet, ModBus, and LonWorks Point Maps

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      E-MON E-Mon D-Mon BACnet, ModBus, and LonWorks Point Maps CL3200, CL3400, CL5000 and IDR 6/21/2012 Contents. ModBus Point Map: Class 3200, 3400, and 5000 Meters

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    • [DOC File]Water Heater Replacement in the Weatherization Assistance ...

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      Table 7 ( Typical Water Heater Input Power Ratings Fuel Type Burner/Element Input (Pon) Natural Gas or Propane 40,000 Btu/h Electric Resistance 4.5 kW Oil 95,000 Btu/h Fuel Switching NEAT and the attached spreadsheet tool can be used to evaluate the cost-effectiveness of replacing an existing water heater with one that uses a different fuel type.

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    • [DOC File]United Illuminating

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      The average demand reduction increases by approximately 6%, changing from 0.23 kW to 0.25 kW when the bad time clocks are removed from the sample. All Sites w/ Bad Time Clocks All Sites w/o Bad Time Clocks Mean 0.23 kW 0.25 kW SD 0.19 0.18 CV 0.81 0.71 RP ±13% ±12% Table 4: Change in demand reduction with adjustment of bad time clocks

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    • [DOC File]UNIT – I

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      A 50 kW, 230V DC shunt motor when running light takes a current of 14A. If Ra = 0.15 Ω & Rf = 120 Ω, estimate the efficiency when it is drawing a current of 215A. UNIT-II - TRANSFORMERS. Part-A. State the principle of working of a transformer.

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    • [DOC File]Module B2 g.iastate.edu

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      Three loads are connected in parallel across a 660-V (rms) line as shown in Figure B3.4. Load 1 absorbs 18 kW and 10 kVAR. Load 2 absorbs 6 kVA at 0.96-pf lead. Load 3 absorbs 22.4 kW at unity power factor. Find the impedance that is equivalent to the three parallel loads. Figure B3.4. Solution. S1 = …

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