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I have 12MW gas engine based power plant its running parallel with grid. my problem is When cpp run in island mode(without geb) that time geb transformer power factor is 0.2 lagging. When cpp run with parallel that time power factor is 0.94 lagging So how can i maintain power factor ofgeb transformer in island mode 0.9 lagging?
SPCL,
1 2853hi can you give any body fault level calculation, generator fault level calculation,transformer fault level calculation for system fault level with equation? i have 3.3kv generation voltage three gas gen sets, one is 1.9MW,2nd is 2.5MW,& 3rd is 3.8MW & i have 11 kv generation voltage one gas gen sets is 3.8MW, we are step up to 22kv by transformer
3 8122How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.
2218dear sir i m anshul kumar from dehradun i want to last five year railway chandigarh and allahabd entrance exam papers pls send it on my id my id is anshuldhiman83@gmail.com or anshuldhiman@rediffmail.com i shall be very greatful to u thank u
2418dear sir i want also last five year rrb chandigarh and allahabad aptitude test question and their answered my id is anshuldhiman83@gmail.com
1865how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???
1913Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer
1 6423What is the minimum insulation value required for a cable between phase to phase and phase to earth of 380 Vac 50Hz circuit, having load arround 800 amps.
2 9323what is the maximum current carrying capacity of a 95 sqmm cupper under ground cable laid partialy in land and partialy in ground?
4 7434when we megger is not damaged when we are measuring very low resistance? high d.c. voltage is produced in megger so according to i=V/R. current will be high so what is the reason ?
1 3923
What will happen if the d.c. Machine is operated below rated speed?
While testing a ZCT what parameters have to check or measure?
what things to be considered when designing UPS
what is meant by the phrase 'static load' in case of shorting in a generator excitation system?
A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.
What are the causes of troubles in boiler during operations?
What are the effects of oils on the properties of Polyolefins?
what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group
high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...
What is a tensile strength? What is the tensile strength of wood?
What are advantages of dc supply over ac supply?
Identification of ss fittings, pilot valves, relief valve.
What is the function of the generator exciter?
how much the percentile as a good percentile in elitmus.
Draw the flow of F.O. diagram from service tank to Main Engine?
