Bengtson, Harlan H., Flow Measurement in Pipes and Ducts, An online PDH course for Professional Engineers. Click on “Calculate” to see the results. The density altitude calculation is quite complex. 1.292 P = absolute gas pressure in psia (NOTE: Absolute pressure equals pressure measured by a guage plus atmospheric pressure. While creating a shipment record CBM Calculator display occupied weight and volume percentage of packets inside a container. Leave the elevation field blank to use the provided baromter value as the uncorrected value. As an example let us calculate air density of dry air at sea level in international standard atmosphere conditions of pressure (1013.25 hPa or 101325Pa) and temperature (15 o C). Both tell us how much air weighs in an area. Thermal Diffusivity It is used as a standard against which one can compare the actual atmosphere and based on the values at … A good question indeed, because air and other gases for which you may need a density value are real gases, not ideal gases. by Skype or Calculate properties of combustion gases. Mollier diagrams included. How to calculate freight density. Found inside – Page 148The calculations are somewhat involved but if you understand high school ... psi We will now calculate the withstand . approximate density of the air post ... ... density crit. This book will appeal to engineers in the entire engineering spectrum (electronics/electrical, mechanical, chemical, and civil engineering); engineering students and students taking computer science/computer engineering graduate courses; ... (NOTE: MW of air = 29). Step 2. Using an online DA calculator here with an altitude of 9927 feet, an air temperature of 70 F°, a sea-level-referenced barometric pressure of 29.92 inches of mercury, and a humidity of 40 percent, the DA calculator tells us that the density altitude is actually 12988 feet! NOTE: If you enter both the density of the product and the specific Calculation methods for air supply design in industrial facilities 1 1. But When Can I Use the Ideal Gas Law to Calculate the Density of Air? Introduction The objectives of air distribution systems for warm air heating, ventilating, and air-conditioning are to create the proper thermal environment conditions in the occupied zone (combination of Humid Air Application Functionality. Measure to the farthest points, including skids or other packaging. The approach is explained in "Making Excel Read Graphical and Tabular Data", Calculation ReferenceProperties of fluids and gases Properties of air, US +1 617 5008224 4. Density Altitude = 7420 + 3047 Density Altitude = 10467 feet The increase from the temperature correction results from the fact that the temperature is above the ISA temperature for that altitude. Density of the product in pounds per gallon, or, if density is not provided, enter the specific gravity into the appropriate field and it will automatically be multiplied by 8.34 pounds per gallon (density of water) to calculate the density of the product. 1. Density Altitude = Pressure Altitude + Temperature Correction. Heat Load Calculation Spreadsheet – Cooling load calculations for HVAC: This database calculates the following: 1. warmth weigh down calculations 2. vessel quantities 3. So, for speeds that most of us fly at, the TAS equals the IAS divided by the square root of the density ratio of air. Rho is one of the parameters used in cycling power models, specifically when estimating aerodynamic drag forces. Calculation of thermodynamic properties in the application is based on the most exact formulations of thermodynamic properties of moist air currently available. This buoyancy calculator is a simple tool that lets you determine the buoyant force in a blink of an eye. **Local air density is a very important factor in determinimg wind turbine performance and engine horse power output. 2. Introductory Business Statistics is designed to meet the scope and sequence requirements of the one-semester statistics course for business, economics, and related majors. DO you have a correct formula to calculate correct VCF. ρo = 1.2250 kg/m3 1 m (meter) = 3.2808 ft 1 bar = 105 Pa (N/m2) = 0.1 N/mm2 = 10,197 kp/m2 = 10.20 m H2O = 0.9869 atm = 14.50 psi (lbf/in2) = 106 dyn/cm2 = 750 mmHg Using an online DA calculator here with an altitude of 9927 feet, an air temperature of 70 F°, a sea-level-referenced barometric pressure of 29.92 inches of mercury, and a humidity of 40 percent, the DA calculator tells us that the density altitude is actually 12988 feet! The HumidAir Desktop Application allows calculation of psychrometric properties and the saving and printing of calculated properties.. At standard temperature and pressure the density of air is 1.275 kilograms per meter cubed. This density as you would expect is much less than liquids or solids. A meter cubed of water weights about 1000 kilograms while a meter cubed of dirt weights about 2 to 3 times as much as water. This leads to the ideal gas law written as: PV = (m/MW)RT. Rev. units. P = absolute gas pressure in psia (NOTE: Absolute pressure equals pressure measured by a guage plus atmospheric pressure. This introduction covers a broad range of environmental topics including issues related to air and water pollution, hazardous waste and risk assessment, waste treatment technologies and global climate change. As an aircraft moves through the air, the air molecules near the aircraft are disturbed and move around the aircraft. lower limit for calculation: -150 C, 1 bar upper limit: 1000 C, 1000 bar. Found insideCovered in this book are: preventive maintenance procedures, methods for evaluation of mechanical components and accepted methods for cleaning, adjusting and lubricating various components to assure continued operation and speed performance ... = (47.25in x 63in x 45.28in) x 2. This has been corrected. Specific Heat Capacity at constant volume Dynamic Viscosity Thermal Conductivity Thermal Diffusivity Kinematic Viscosity Density Third order polynomial formulae are developed so that any property can be calculated for a given temperature. This video walks you through the process for making a simple mass vs. volume plot in excel that would give the density of a liquid. Excel formulas use the ideal gas law to calculate the density of a gas for known gas molecular weight, temperature and pressure. Elevation is required only if you do not have the uncorrected baromter value. It is fortunate, however, that many real gases behave almost exactly like an ideal gas over a wide range of temperatures and pressures. The formula for how to calculate power is: Where: P = Power output, kilowatts. Air receivers volume calculation.ods (This file presents the calculation of an air receiver, and shows several references related to this theme. Wind Loading Analysis Roofing Components and Cladding Excel Calculator Spreadsheet, Per ASCE 7-05 Code for Bldgs. Online calculator, figures and tables showing density, specific weight and thermal expansion coefficient of air at temperatures ranging -100 to 1600 °C (-140 to 2900 °F) at atmospheric and higher pressure - Imperial and SI Units Density is the ratio of the mass to the volume of a substance: ρ = m/V In my formula I have a factor 613,97226. Enter the pressure and temperature of air to get the viscosity, specific heat capacities, thermal conductivity, and density of air. This calculation program on Excel makes it possible to dimension and carry out the calculation of the pressure losses on the ductworks and air distribution systems. Air freight calculator is based on volume measured weight also known as volumetric weight. Formula: m 3 x 167 = chargeable weight Calculators. Calculate online thermodynamic properties of moist (humid) air based on Hyland and Wexler formulation approved by American Society of Heating, Refrigeration and Air-conditioning Engineers. International Standard Atmosphere properties like pressure, temperature, density, viscosity, thermal conductivity and velocity of sound are indicated below. Found inside – Page 37... factor 1 1 1 1 234 235 Air density 1.20479 1.20479 1.20479 1.20479 1.20479 1.20479 ... diameter on a long - log scale using the Excel chart capability . You can compute them with our air density calculator with an assumption that relative humidity is relatively small (dry air). Implements the latest mathematical models to simulate the physics of water, water vapor, humid air, dry air and ice. The ideal gas law works best for high temperatures (relative to the critical temperature of the gas) and low pressures (relative to the critical pressure of the gas). Engineering Calculator. 60 or -213.15 [ K or C] Air at normconditions, t norm = 0 o C, p norm = 1013,25 mbar: density. The air density calculator excel spreadsheet template shown in the screenshot below will calculate the density of a gas for specified molecular weight, pressure and temperature. Enter the air temperature and choose a unit: Density Altitude in feet: Fahrenheit Celsius Kelvin: ft: Enter the actual station pressure (not the altimeter setting) and choose a unit: Density Altitude in meters: in of mercury mm of mercury millibars (hPA) m: Enter the dewpoint and choose a … For many practical, real situations, the ideal gas law gives quite accurate values for the density of air (and many other gases) at different pressures and temperatures. Leakage Measurement Tool. Then we can use these values in the equation above. The lab manual provides students with an overview of ten different fluid mechanics laboratory experiments and their practical applications. To convert cubic inches into cubic meters, follow this formula: 61,024 cubic inches = 1 cbm. The key rule to remember is: You will always be charged by whatever is higher, your chargeable weight or your cubic meters or KGs. But is very good at ordinary temperatures and pressures. Draw a line straight up until you reach the diagonal line that corresponds to the current pressure altitude. Fortunately, the ideal gas law provides a means of doing this for many gases over ranges of temperature and pressure that are of interest. From that spot on the line, draw a line directly left and read the density … It also changes with variation in temperature or humidity. A common form for the ideal gas law equation is PV = nRT, giving the relationship among T, the absolute temperature of the gas; P, its absolute pressure; V, the volume occupied by n moles of the gas; and R, the ideal gas law constant. Why use an online calculator or look in tables, when you can get an air density calculator excel spreadsheet to use as an air density calculator here? Found inside – Page 49TRANSPORTATION EMISSIONS CALCULATORS Most people are unaware of the amount of CO2 they cause to be emitted into the atmosphere as a result of their ... The easiest way to calculate the density of dry air is by applying the ideal gas law. But When Can I Use the Ideal Gas Law to Calculate the Density of Air? Enter Information to get air density, density altitude, grains and dew point. Found inside – Page 49... annual throughput Air Emission Partition Relative Risk Calculator Calculator Index Calculator I 12 In Emission Rate Report IL IL Chemical A В с MS Excel ... To effectively calculate your volumetric ratios, you can use the formula below. Note, that n ⁄ V is the density (ρ), then the ideal gas law can be re-written as follows: P = ρRT, and the formula for density … Applied Thermodynamics ebook, http://www.taftan.com/thermodynamics/. Found inside – Page 30Use the Redlich-Kwong equation of state to justify your answer. ... Using the barometric formula, calculate the expected air pressure in Colorado Springs, ... ASHRAE schedule 5 – Shading Coefficients and U-Factors for housing Windows This heating routine sizing calculator is based on the ASHRAE standards. Note, that n ⁄ V is the density (ρ), then the ideal gas law can be re-written as follows: P = ρRT, and the formula for density … Step 1: Calculate the volume of the air freight shipment. DO you have a correct formula to calculate correct VCF. The Ideal Gas Law for use in an Air Density Calculator Excel Spreadsheet A common form for the ideal gas law equation is PV = nRT , giving the relationship among T , the absolute temperature of the gas; P , its absolute pressure; V , the volume occupied by n moles of the gas; and R , the ideal gas law constant. Includes 50+ different calculations. Excel can be used to facilitate and document engineering calculations. 3. Thermal Conductivity A = Rotor swept area, ft2 or π D2/4 (D is the rotor diameter in ft, π = 3.1416) 3. Found inside – Page 57at the air electrode can also hinder mass transport at high currents — it ... by equation (2.9), Chapter 2 ○ in is the sum current density equivalent of ... Altitude is a major contributor and every 1000ft you ascend there is a drop of close to 4% in density. Weather systems also have an effect and pressure can change very quickly during the day, particularly as a … 3. I have crue oil density 0,9616 and 42, 25 degC and VCF should be 0,98214 but my formula gives much less. Specific Heat Capacity at constant pressure. More than 400 User Defined Functions (UDF) to be used as an add-in library in Excel to generate calculation tables or plots. If we want to estimate the density at 53 degrees Celsius, we need Excel to find the values x1 = 40, y1 = 1.127, x2 = 60, and y2 = 1.067 in the table. Before calculating the density altitude, the virtual temperature must be calculated first. A good question indeed, because air and other gases for which you may need a density value are real gases, not ideal gases. Application example and derivation of equation to determine the receiver volume. Bunker calculation example: Consider 285MT of HFO is planning to take on No.1 HFO port tank having capacity of 400m3 at trim of 0.50m. Why use an online calculator or look in tables, when you can get an air density calculator excel spreadsheet to use as an air density calculator here? Dynamic Viscosity Density Altitude = Pressure Altitude + (Standard Temperature / Standard Lapse Rate) * (1- (Standard Temperature / Actual Temperature)^0.2349690) Standard Temperature and Actual Temperature are in degrees Kelvin and the Standard Lapse Rate is .0019812°C/ft below the tropopause. The calculator uses the perfect gas equation for density calculation. See table at the left for values of critical temperature and critical pressure for several common gases. Specific Heat Capacity at constant volume Found inside – Page 87Calculate the relative humidity if the partial pressure, ea, ... The density of water in the atmosphere at sea level is 0.018 kg/m3, atmospheric pressure is ... Example 1: at 5050 feet elevation, 95 deg F air temp, 29.45 inches-Hg barometric pressure and a dew point of 67 deg F, the Density Altitude is calculated as The book focuses on fuel consumption-the amount of fuel consumed in a given driving distance-because energy savings are directly related to the amount of fuel used. Author aerotoolbox Posted on June 18, 2017 June 30, 2020 Categories Aeronautical Calculators Tags barometric pressure , calculator , density altitude , standard atmosphere Air density, like air pressure, decreases with increasing altitude. Temperature of fuel oil at the time of pumping. Bengtson, Harlan H., “Gas Property Calculator Spreadsheet,” an Amazon Kindle e-book. The Ideal Gas Law for use in an Air Density Calculator Excel Spreadsheet. Munson, B. R., Young, D. F., & Okiishi, T. H., Fundamentals of Fluid Mechanics, 4th Ed., New York: John Wiley and Sons, Inc, 2002. Installation. W/ m*C Actual Q / Ideal Q (K*A*n) Isentropic Flow Relations Perfect Gas, Gamma = , angles in degrees. For SI units the ideal gas law parameters are as follows: P = absolute gas pressure in pascals (N/m2), T = absolute temperature in oK (NOTE: oK = oC + 273.15), R = ideal gas constant in Joules/kgmole-K, 1. Munson, B. R., Young, D. F., & Okiishi, T. H., Fundamentals of Fluid Mechanics, 4th Ed., New York: John Wiley and Sons, Inc, 2002. Atmospheric temperature, pressure and density as function of the height above sea level.xls Found insideComplimentary to this book is PVT correlation calculator software. Many of the techniques discussed in this book are available with the software. DA Calculator. The density of air calculation makes use of the ideal gas law: PV = nRT, where P, V and T is the pressure, volume and temperature respectively; n is the amount of substance, and R is the ideal gas constant. For conditions under which air can be treated as an ideal gas (see the next section), the ideal gas law in this form can be used to calculate the density of air at different pressures and temperatures. Select a Pollutant. Found inside – Page iiRevised and significantly expanded, the fifth edition of this classic work offers both new and substantially updated information. Found inside – Page xviSOLUTION given is (Ans) Also the density is 0.001756 slug/ft3. p 1 1456 ... However, by repeating the calculations for various values of the speed, V1, ... This Excel spreadsheet is available at a very reasonable price in our spreadsheet store and can be used with either U.S. or S.I. The density of air, ρ (Greek: rho) (air density), is the mass per unit volume of Earth's atmosphere. density altitude calculator. The properties of dry air at various temperatures. Pressure and temperature have significant effects on the density of gases, so some means of determining the density of air and other gases at specified temperatures and pressures is needed for a variety of fluid mechanics applications. It is also a useful reference tool for civil engineering practitioners. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version. Air-Breaithing Propulsion Calculator. Pressure Drop Calculator. (NOTE: MW of air = 29). Equations displayed for easy reference. Solving this equation for m/V (which is equal to the gas density, ρ) gives the following equation for gas density as a function of its MW, pressure and temperature: ρ = (MW)P/RT. You can use the calculator for hot water boilers, water and air heat exchangers, hot water radiators, water chillers, air heaters, and other heat power generation and consumption units. The ideal gas law is a dimensionally consistent equation, so it can be used with any consistent set of units. The ideal gas law expresses density as a function of temperature and pressure. Just copy and paste the below code to your webpage where you want to display this calculator. The text has been developed to meet the scope and sequence of most university physics courses and provides a foundation for a career in mathematics, science, or engineering. These spreadsheets also contain tables of critical temperature and critical pressure for several common gases. The properties of dry air at various temperatures. Found inside – Page 53Hot summer's day: outside air temperature = 25°C, inside slmles Mass l-QIIEU'I ... Second, use the spreadsheet to calculate the volume in m3 and density in ... The values for the dynamic viscosity and thermal conductivity are high by 10^5 due to a typographical error reported by Joel Pierce. Each chapter contains unworked examples to help the student gain a grasp of the subject, and although primarily intended for the student food technologist or process engineer, this book will also be useful to technical workers in the food ... You can resolve basic heat power requirement tasks in a few seconds. CO2Tables Excel Add-In - Sample calculations in Excel. Fluid Properties Calculator Instructions. To use the calculator, just click the type of units that you will be entering, then enter the altitude, temperature, altimeter setting and dew point. Hi Rajeev. Calculates 50 psychrometric and thermodynamic properties of humid air, dry air, water, water vapor and ice. A commonly used set of U.S. units for this equation is as follows: MW = molecular weight of the gas in slugs/slugmole (or kg/kgmole, etc.) To use this page, you need to provide the calculator with three parameters: air temperature, air pressure, and dew point. ACSM's Body Composition Assessment provides practicing fitness, health, and medical professionals with information about various body composition measurement methods in clinical and field settings--evidence-based protocols, advantages, ... Put the values into the formula below: ρ = (pd / (Rd x T)) + (pv / (Rv x T)) pd = dry air pressure (in hPa) pv = water vapor pressure (in hPa) T = air temperature (in Kelvins) Rd = specific gas constant for dry air (equal to 287.058 J/(kg.K) Rv = specific gas content for water vapor (equal to 461.495 J/(kg.K) Air density is like regular density. Found insideThis handbook serves as a guide to deploying battery energy storage technologies, specifically for distributed energy resources and flexibility resources. ), T = absolute temperature of the gas in oR (NOTE: oR = oF + 459.67). Is this correct? This is very important when finding out from Table 54, since the density provided there is in Air and hence same must be used. density altitude calculator. So, in the example above: ADVERTISEMENT. Trusted, irreplaceable, and expert-authored, this is the only book that includes a critical analysis of existing methods as well as hands-on practical recommendations. Concentration to AQI Calculator. Found inside – Page 45217.10 Ancient air, continued. Do the data of Exercise 17.7 give good ... Texas Instruments Graphing Calculator Excel Minitab Session One-Sample T: Rate. Each has built in Excel formulas to calculate unknowns like the … A compilation of the calculation procedures needed every day on the job by chemical engineers. To find an air density calculator Excel spreadsheet to use as an air density calculator, click here to visit our spreadsheet store. Density = 101325 / (287.05 * (15 + 273.15)) = 1.225 kg/m 3 C. Corrected density … = 269574.48 cubic inches. The chemical-specific parameter values used in the VISL calculator follow the same hierarchy as used in the EPA's Regional Screening Levels for Chemical Contaminants at Superfund Sites calculator. The air density calculator excel spreadsheet template shown in the screenshot below will calculate the density of a gas for specified molecular weight, pressure and temperature. This Excel spreadsheet is available at a very reasonable price in our spreadsheet store and can be used with either U.S. or S.I. Found insidePVT (pressure-volume-temperature) reports are one way to achieve better parameters, and Equations of State and PVT Analysis, Second Edition, helps engineers to fine tune their reservoir problem-solving skills and achieve better modeling and ... Aerodynamic forces directly depend on the air density. Fortunately, the ideal gas law provides a means of doing this for many gases over ranges of temperature and pressure that are of interest. Open: Air Density and Specific Weight Equations and Calculator. These formulations are approved by ASHRAE (American Society of Heating, Refrigeration and Air-conditioning Engineers) as documented in the 1997 ASHRAE Handbook "Fundamentals". For thermodynamic properties the library uses new industrial formulation for carbon dioxide, formulated in Helmholtz energy. mm/mm in or mm h = Gravitational constant, g = Boundary layer volume coefficient of expansion, β = Prandtl number, Pr = Air density, ρ = Air conductivity, k = Ideal heat transfer occurs when the entire fin is at its base temperature. 1) One way is to use the 1/2*rho*A*V^3*cp formula to calculate the wind power based on the wind speed (V), air density (rho), rotor area (A), Betz limit (cp) of the turbine. Specific Heat Capacity at constant pressure. "University Physics is a three-volume collection that meets the scope and sequence requirements for two- and three-semester calculus-based physics courses. I bought a Davis Perception II weather station which gives me Temp, Barometer, and Relative Humidity. A commonly used set of U.S. units for this equation is as follows: MW = molecular weight of the gas in slugs/slugmole (or kg/kgmole, etc.) Calculate the air density: Now armed with those equations and the actual air pressure, the vapor pressure and the temperature, the density of the air can be calculated. To prove the point, he took standard air temperature, pressure and relative humidity measurements to calculate the air density at a wind farm in Hungary over a period from 2004 to 2006. The ideal gas law is a dimensionally consistent equation, so it can be used with any consistent set of units. Calculating the density proportion and other freight parameters is uncomplicated operating our freight calculator: Enter the dimensions and weight for each part of your cargo. Once you have the pressure you can plug it into the ideal gas equation (PV = nRT) and solve for density (= 1/V) as a function of temperature. This book was written to familiarize beginners with general theoretical principles, requirements, applications, and processing steps of the Eddy Covariance method. Find the value of x1 with the following formula: I gave cell C2 the name “x” … density altitude = 5,470 + [120 x (35 - 5)] Working out the math, our density altitude is 9,070 feet. From the user, an air temperature (T ), a station pressure (P st a), and a dewpoint temperature (T d). The ideal gas law works best for high temperatures (relative to the critical temperature of the gas) and low pressures (relative to the critical pressure of the gas). The Freight Density and Dimensions Calculator is designed to calculate freight shipment metrics including piece and shipment level volume, cubic metres and density factor. The relations used, should be accurate between 200 and 3000 K. For information on Sutherland’s law, see the post on the topic. Remember that to convert o C to o K you need to add 273.15. HumidAir App BONUS. Equation of state was presented in: But for higher speeds, some of the energy of the aircraft goes into compressing the air and locally changing the density of the air. The density of the air at sea level is approximately 1.225 kg/m 3 .Use the air density calculator to find the density of air by providing the absolute temperature and pressure. mm/mm in or mm h = Gravitational constant, g = Boundary layer volume coefficient of expansion, β = Prandtl number, Pr = Air density, ρ = Air conductivity, k = Ideal heat transfer occurs when the entire fin is at its base temperature. Information you will get from bunker advice form, Density at 15°C =0.9909. The HumidAir is a standard win32 application. But, Can I Use The Ideal Gas Law to Calculate The Density of Air? Code to add this calci to your website. =50 Deg. The essential part of the book is the outcome of investigations carried out by the author.The present edition of this Handbook should assist in increasing the quality and efficiency of the design and usage of indutrial power engineering and ... Property and Equilibrium calculation functionality is now available to Excel just as any other add-in function. By using this calculator, you as the user expressly agree to the terms of this disclaimer in full. - Hs = Specific moisture in kg/kg of dry air - MassVol = Density in kg/m3 of humid air - TempVap = Temperature of injection of the water vapor - Z = Altitude en m Fonction =Psy_th2(Ts, Hr, Hs, MassVol, TempVap, Z) ..... (iterative Calculation) Cp = Maximum power coefficient, ranging from 0.25 to 0.45, dimension less (theoretical maximum = 0.59) ρ = Air density, lb/ft3. This leads to the ideal gas law written as: PV = (m/MW)RT. Measure the height, width, and depth of the shipment in inches. Its seems to very hard to get correct excel formula to calculate correct VCF ASTM Tab 54A. Payback Estimator. R = ideal gas constant in psia-ft3/slugmole-oR. (Density at 15C in Air = Density at 15C in Vacuum – 0.0011: PROCEDURE OF CALCULATIONS: Working with Density at 15 o C in air: Multiply the three measurements (height x width x depth). The air freight will always be charged per kilogram against the greater weight whether it is the actual or volumetric weight. Read on for information about Excel spreadsheets that can be used to calculate the density of air (and other gases) at different pressures and temperatures with the ideal gas law. The density ratio of air is the ratio between the density of the air at a given pressure altitude and temperature divided by the density of the air at sea level with standard temperature and pressure. On shipments with multiple pieces, repeat Step 1 for each piece. Psych is an Excel-Plugin or function that will calculate properties of moist air. 4. To help aircraft designers, it is useful to define a standard atmosphere model of the variation of properties through the atmosphere. Bengtson, Harlan H., Flow Measurement in Pipes and Ducts, An online PDH course for Professional Engineers. See table at the left for values of critical temperature and critical pressure for several common gases. For Steam, Water, Air and Gas Systems. In case that there are numerous parts with same weight and dimensions, multiply the piece count. It is very ease to use, after selection of units (SI or English are supported) and completed calculation for entered parameters, results are displayed in the output table. If the aircraft passes at a low speed, typically less than 250 mph, the density of the air remains constant. Found inside – Page 1135.11 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 SUGGESTED PROBLEMS Using Excel or a ... 50%, and the rated load (100%) Calculate the power injected by your IG into ... 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