1. A hydroelectric station generate power from a reservoir of capacity 4 x 10° m at a head of 50 m with the overall efficiency of the plant is 70%. If the annual load factor is 40%. What is the kW rating of generators installed?
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- 1. A power plant has the following given data: load factor of 0.48; installed capacity 35 MW; reserve over peak 3 MW; hours out of service per year 410. Find the plant use factor.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?A hydro-electrie station is operated with a mean head (h) of 30 m and consume (discharge water) 218.75 * 10 6 m3 of water in one ycar for the average load. The expected load factor for the station is 80 %. Calculate the power in Kw for which the station should be designed (max.load). Assume that the mechanical efficiency of the turbine is 90% and the efficiency of the generator is 95%,
- Compare and contrast diesel power plant with one of the existing power plant in the country in terms of: a. EfficiencyA 5 hp motor (mechanical power), wye connected with a 208V line:a. What is the apparent power drawn by the motor?b. How much line current will it draw if the motor is 90% efficient?c. What is the apparent power drawn by the motor?d. The Power Factor is 90%, what is the real power that is drawn by the motor.e. How much heat is lost by the motor?Pls answer thank you! A hydro power plant is to be used as peak load plant at an annual load factor of 30%. The electrical energy obtained during the year is 750 x 105 kWh. Determine the maximum demand. If the plant capacity factor is 24% find reserve capacity of the plant in KW.
- A generating station has a maximum demand of 20 MW, a load factor of 60%, a plant capacity factor of 48% and a plant use factor of 80% Find: 1)the daily energy produced (2) the reserve capacity of the plant. (3) The maximum energy that could be produced daily if the plant was ruinining all the time.(4).Maximum energy that could be produced daily if the plant was running fully loaded and according to an operating schedule.A power plant has a capacity factor of 40.9% and a plant use factor of 45.2%. How many hours per year was the plant not operating?An industrial assembly hall is continuously lightedby one hundred 40-W mercury vapor lamps suppliedby a 120-V and 60-Hz source with a power factor of0.65. Due to the low power factor, a 25 percent penaltyis applied at billing. If the average price of 1 kWh is$0.01 and the capacitor’s average price is $50 permillifarad, compute after how many days of operationthe penalty billing covers the price of the power factorcorrection capacitor. (To avoid penalty, the powerfactor must be greater than 0.85.)
- A generating plant has a maximum capacity of 100 kW and costs Rs 1,60,000. The annual fixed charges are 12 %. If the load factor is 50 %, the fixed charges per kWh will be ?A) An equalizer is a jumper used to parallel the series field of two compound DC generators when the two generators are being run in parallel to share an electrical load. a) true b) false B) The ohmic value of an equalizer is not important as long as it is made out of copper. a) true b) false C) How is the efficiency usually expressed?a) in watts b) in kilowatt-hours c) in percentage d) none of the aboveGiven:1. 3800 kVA , load of manufacturing plant2. 0.6815, lagging power factor3. 500 horse power, synchronous motor4. 87.4 percent motor efficiency 5. 0.9226 over-all power factor Calculate the power factor at which it must operate. Please show the formula and solution.