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- Whale and Kanmuro are two islands located at the Chimera archipelago. These two are separated by a distance of 16 miles. A power link is to be established between them. The power link delivers a maximum power of 584 megawatts at full capacity with an operating voltage of 580 kilovolts. Note that 1 mile is 1.6 kilometers. Solve for the resistivity (in ohm-micrometers) of the cable asusming a conductor diameter of 1.55 centimeters.TOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM:A coal-fired Power Plant with a 3000 kW rated capacity costs $15000 per kW installed. Annual operating cost is $12M, annual maintenance cost is $8M, annual depreciation is $15M, interest on investment per year is 8%, and cost of coal is $800 per ton. If one pound of coal is needed to generate 1 kWhr, find the total annual cost to operate the plant. The plant capacity factor is 50%. $46.45M $43.38M $40.28M $42.32MTOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM: A generating station has two 50 MW units each running for 8,500 hours in a year and one 30 MW unit running for 1,250 hours in one year. The station output is 650 x 106 kWh per year. Calculate the utilization factor. 0.732 0.653 0.811 0.795
- An energy service company agreed to convert all 18 constant volume air-handling units (AHUs) within a commercial building into variable-air-volume systems by installing variable frequency drives (VFDs) and VAV terminal boxes. To verify fan energy savings, it was agreed to meter only two AHU. Metering all 18 AHUs was determined to be economically infeasible. The metering of AHUs revealed the following: (a) the supply fan 1 is rated at kW(e,fan1) =40 kW and is operated for 5,800 hours/year, and (b) the supply fan 2 is rated at kW(e,fan2) =38 kW and is operated for 6,100 hours/year, and (c) the VFD operates according to the following load profile: % of Speed Fan 1, hours Fan2, hours 100 350 480 90 485 750 80 1080 980 70 1350 1240 60 1940 2010 50 210 320 40 265 210 30 120 110 It was agreed that the energy use of one motor is proportional to its speed squared. Determine the fan energy and cost savings for the CV to VAV conversion for all the AHUs as…a) If the cost of electricity consumption in Oman is OR 0.020/unit (where, 1 unit = 1 kWH), Calculate the monthly electricity bill for a load usage of 11 lamps (5 watts each), 11 fans (89 watts each) and 1 TV (341 watts) for 8hrs a day. (b) Calculate the efficiency of a solar PV module whose length is 159 cm and width is 105 cm and produces a 256 W maximum power when exposed to 920 W/m2 solar irradiance?A barangay power station supplies 60kW to a load over 2,500ft, 100 mm², two conductors copper feeder. The resistance of which is 0.0078 ohm per 1,000 ft the bus bar voltage is maintained constant at 600V. determine the load current. Answer = 108 A
- TOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM:A substation supplies power by four feeders to its consumers. Feeder No. 1 supplies six consumers whose individual daily maximum demands are 70 kW, 90 kW, 20 kW, 50 kW, 10 kW, and 20 kW, while the maximum demand on the feeder is 200 kW. Feeder No. 2 supplies four consumers, whose daily max. demands are 60 kW, 40 kW, 70 kW, and 30 KW, while the maximum demand on feeder No. 2 is 160 kW. Feeders Nos. 3 and 4 have a daily maximum demand of 150 kW and 200 kW respectively, while the maximum demand on the station is 600 kW. Determine the diversity factor for the four feeders. 1.18 1.25 1.30 1.36a) A 380V, 7.5kW electric water pump of power factor 0.8 lagging and efficiency of 85% will be wired by an armoured XLPE insulated copper cable. The circuit will be run on cable tray with three other similar circuits at an ambient temperature of 40℃. MCCB will be used as the overcurrent protective device for the circuit. The estimated length of the circuit for the machine is 50m. i) Determine the minimum rating of MCCB for the circuit, available MCCB rating are 25A, 30A, 40A, 50A ii) Determine the minimum cable size of the circuit if the allowable voltage drop of the circuit is 1.5% of the nominal supply voltage?TOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM:A factory space of 33 m x 13 m is to be illuminated with an average illumination of 72 Im/m² by 200 W lamps. The coefficient of utilization is 0.4 and the depreciation factor is 1.4. Calculate the number of lamps required. The lumen output of a 200-W lamp is 2,7301m. 30 35 45 40
- The equipment required for the apartment are listed below: No. Equipment Description Equipment Name 1. 1 Refrigerator Samsung RF60N91H3SL French Door with Triple Cooling, 595L 2. 4 Air purifiers AX40M3030WM Air Purifier with intensive triple air purification, 40m² 3. 1 Washing machine Samsung 8 kg Fully-Automatic Front Loading Washing Machine (WW80J4213KW/TL, White) 4. 1. Dishwasher DW60M6050FS, Freestanding Full Size Dishwasher with 14 Place Settings 5. 3 TVs Samsung 50" Class TU7000 Crystal UHD 4K Smart TV (2020) 6. 1 Microwave Samsung 1.9 cu. ft. Countertop Microwave for Built-In Application in Fingerprint Resistant Black Stainless Steel 7. 1 electrical oven BOSH Serie | 8 built-in oven60 x 60 cm Stainless steel HBG656RS1M 8. 1 dryer Siemens Dryer White 8 kg WT43N200GC 9. 1 IRON Wansa 40-inch Steam Press (SYP-8810XXL) 10. 8 Lamps 75 watts each 11. 6 Ac units AR24TVFCKWK/GU RAC,…TOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM:It is required to provide illumination of 150 meter-candle in a factory hall 45m x 15m. Assume that the depreciation factor is 0.80, the coefficient of utilization is 0.40 and the efficiency of the lamp is 20 lumens per watt. Calculate the number of 250-W lamps. 63 62 61 60A single family dwelling with a floor area of 80 square meters has the following receptacles and outlets load: a. Lighting 7 pcs – 40 watts fluorescent lamp 2 pcs – 20 watts LED lamp b. Convenience outlet 1 – Electric Iron ; 1,000 watts 1 – Portable Stereo; 100 watts1 – Electric Stove ; 1,100 watts 1 – Electric Fan ; 500 watts 7 cu. ft. Refrigerator; 175 watts Required: Circuit 1 – Lighting Load by the Area Method a. Determine the wattage required per square area. b. Determine the current load (230 volts) c. Compute the actual lighting load d. Solve the actual current load