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- Consider a house that has a 120V mains with mains frequencyof 60hz and a service current of 100A, which follows the safety standards of theresidential facilities.(a) Calculate the maximum power capacity.(b) Within the safety limit, the following devices can all operate at the sametime? If yes, what is the total power consumed? If not, what happens if all devicesare turned on at the same time and suggest a solution to the problem?- 4800W clothes dryer.- 400W washing machine.- 1200W dishwasher.- 1000W iron.- 860W air conditioning.- 150W color television.- 110W stereo sound.- 2400W electric stove.- 1200W microwave oven.- 1800W cooler.(c) Assuming that 60% of the maximum power were used daily, what is the total costper month for a kWh value of 10 cents?(d) Sketch the waveform, determine the phase difference and calculate the rms values of thefollowing waveforms: v(t) = 60 sin(wt + 20) and i(t) = 12 sin(wt - 20).hydro-electric generating plant is supplied from a reservoir of capacity 20000000m3 with a head of 200m. The hydraulic efficiency of the plant is 0.8 and the electric efficiency is 0.9. What is the total available energy?2.) A multifamily dwelling having 59 units has a total load per dwelling of 21,300 VA. Compute for the Maximum current rating if the number of phase is 3 and nominal voltage is 400. Round off answer to four decimal places if necessary 3.) Compute the KVA basis of this school using optional method service load calculation with following details. ROUND ANSWER TO FOUR DECIMAL PLACES if necessary. Total load = 748 KVA Total area = 2,933 sqm 4.)Compute the total VA of a show window that is 5m
- The subject is: Smart Grid Please send the answer by typing ONLY. I don't want any handwritten. Q1- A 3 phase feeder having a resistance of 3 ohms and a reactance of 10ohms supplies a load of 2 MW at 0.85 pf lagging. The receiving end voltage is maintained at 11kV by means of a static condenser drawing 2.1 MVAr from the line. Calculate the sending end voltage and p.f. Also find the voltage regulation and efficiency of the feeder. Assume Delta connected.1)-Check your "residential electrical connection (your house connection)" (like electrical power input, load distribution etc.) and answer the following in detail (i) Type of supply (Single or Three phase) (ii) Main DB and its ratings. (iii) Electrical layout of your house. (iv) Total load connected.a) If the electrical power required for a house is assumed to be 5kW, the requirement of 1500xy housesA HEPP with the installed capacity to meet the needs will be established. This installed power includes 7 generators andIt will be provided from the penstock pair. Net water head 190 m and penstock calculated for the facility91% efficiency, 85% turbine efficiency, 96% generator efficiency, transformer efficiencyIt is calculated to be 93%. Calculate the required water flow for each force. (ρ: specific weight: 1000kg /m³, g: Gravitational acceleration: 9.81 m/s² ) b)In this example, if the total efficiency of the system could be increased to 85%,how is the required water flow would be affected? Show it by calculating.
- My TV says the typical power is about 60W. How much current does it require: From the 120V wall plug? From a 20 kV distribution line? From a 500 kV transmission line? If 50% of the 7 million people in DFW area turn on their TVs at the same time, what percent of ERCOTs total power capacity is this? (see ERCOT.com site for daily generating capacity)Assertion (A): One watt meter method of three-phase power measurement is used for both balanced loads and unbalanced loads. Reason (R): In one-watt meter method of three phase power measurement, the total three phase power = 3*wattmeter reading. Choose the correct answer from the following. a. Both A and R are true and R is correct explanation of A b. A is true R is false c. A is false R is true d. Both A and R are true but R is not correct explanation of A Clear my choiceThe percent values of the voltage, current, impedance, and volt-amperes for a givenpower system are 90, 30, 80, and 150 percent, respectively. The base current and baseimpedance are 60A and 40Ω, respectively. Calculate the actual values of the voltage,current, impedance, and volt-amperes.
- 1. Incremental cost fuel cost is GHC per megawatt hour for two units in a plant are given by dF1dP1=0.1P1 + 20 dF2dP2=0.12P2 + 16 The minimum and maximum load on each unit is to be 20 MW and 125MW respectively. Determine the incremental fuel cost and the allocation loads between units for this minimum cost when loads are i) 100MW ii) 150MW . Assume both units are operating.write only the option The electrical power is delivered to the users through five distribution levels. True or False? A.True B.False The average supply restoration for voltage level 11 kV is A.more than 4 hours B.between 1 and 4 hours C.less than 4 hours Tariff is the rate of charging for electrical energy supplied by the utility company to its consumer. Tariff is depends on various factors excpet: A.Type of facilities B.Type of services C.Type of consumers D.Total fixed running annual charges of the utility company Under primary distribution netwrok system, the electrical power is delivered to the users through _________ distribution levels. A.3 B.5 C.2 D.4In a house there is a three-wire system configured as follows. A refrigerator with an impedance of (10 + j 10) Ω is connected to line L1 and to neutral, and to line L2 and neutral all the lighting in the house consists of 10 luminaires of 20 W each. In addition, there is a 240 V dryer that consumes 8 kW. Calculate a) current of line L1 and line L2 and neutral b) total power consumed.