Watts = Voltage (root-mean-squared) x Amps (root-mean-squared) x Power Factor (PF) (a three-phase circuit would multiply the voltage by the square root of 3 or approximately 1.732).Some Useful Conversion Factors and Formulas The resulting real power is 450 kilowatts. Most Uninterruptible Power Supply (UPS) units will list the average power factor and real-time load capacity of the UPS, in addition to the KVA.Įxample: You own a 500 KVA UPS unit (apparent power) with a 0.9 power factor. In the case of a 0.5 power factor, real power is approximately half that of the apparent power.ĭeploying systems that have higher power factors result in less electrical loss and can help improve your Power Usage Effectiveness (PUE). In the case of a 1.0 power factor, the real power equals the apparent power. The power factor is a ratio (a number from 0 to 1) of real power and apparent power. The resulting inefficiency of electrical transmission can be measured and expressed as a ratio called the power factor. Differences between real and apparent power, and thus watts and volt amps, arise because of inefficiencies in electrical transmission. However, as waves of current and voltage coincide less, less real power is transferred, even though the circuit is still carrying current. When the voltage and current of a circuit coincide, the real power is equal to the apparent power. Real power is the amount of actual power that can be drawn from a circuit. On the other hand, a watt (W) is a measurement of real power. A term called apparent power (the absolute value of complex power, S) is equal to the product of the volts and amps. The VA rating is used for sizing wiring and circuit breakers.Have you ever wondered why some power ratings are expressed in WATTS, some in AMPERES or AMPS, some in VOLTS, and some in KVA? This page will explain in simple terms the difference between the power ratings and describe when each should be used in your data center and network architecture planning.Ī KVA is simply 1,000 volt amps. The Watt rating determines the actual power purchased from the utility company and the heat loading generated by the equipment. Both Watt and VA ratings have a use and purpose. Volt-Amps are called the “apparent power” and are the product of the voltage applied to the equipment times the current drawn by the equipment. The power in Watts is the real power drawn by the equipment. The power drawn by computing equipment is expressed in Watts or Volt-Amps (VA). Power Solutions is an independent supplier of power quality products offering the best-in-class solutions. Convert from dBV Convert from dBmV Convert from dBV Convert from dBA.
#Convert va to watts free
Please feel free to email us at so that we may assist you in selecting the correct equipment. If you have arrived at this site in an attempt to be a more informed buyer of UPS or other power equipment, congratulations. Many manufacturers of UPS and load equipment add to this confusion by failing to distinguish between these measures. VA or watts number of the equipment to be protected ), the shorter the. Many people are confused about the distinction between the Watt and Volt-Amp (VA) measures for UPS load sizing. watts route, remember to convert watts to VAS after you come up with the. This tech note helps answer, “How do I properly size my UPS?” by explaining the differences between Watts and VA and how the terms are correctly and incorrectly used in properly sizing UPS systems. TAA Compliant Power and Cooling Products.Substation Power Systems and Switchgear.This conversion calculator has two text fields which require you to enter the real power in watts and the power factor in volt-amps before clicking the ‘Calculate' button. It is simple to use and can be accessed at any time since it is readily available. Vertiv VRC-S Edge-Ready Micro Data Center It is a converter which calculates the real power in watts (W) to volt in amps (VA).Schneider Electric Prefabricated Data Center Modules.Vertiv Liebert Cooling and Thermal Management.Battery Replacement Services and Maintenance.Alpha AMPS HP2 Modular Inverter Systems.Cabinet Solutions for Outdoor Applications.OmniOn Power Express Shelf/Power Express Combiner.Small Cell and Distributed Antenna Systems (DAS).UST Power Conditioners and Voltage Regulators.TSI Power Voltage Regulators and Power Conditioners.Power Conditioners and Voltage Regulators.NetBotz Security and Environmental Monitoring.Device Monitoring with PowerChute Business Edition.
#Convert va to watts series
ABB/GE Industrial Power LP11 924 Series UPS.Eaton Visual Capacity Optimization Manager (VCOM).ASCO PowerQuest CPMS Maintenance Services.Battery Replacement, Testing, and Maintenance.Digitization of One Line Electrical Diagrams.
#Convert va to watts how to
soraya study Convert Wh to W (Watthours to Watts) - Convert formula How to convert volt-amps (VA) to.
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