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in DG synchronization system can i short R,Y,B- phase(DG-1) to R,Y,B Phase (DG-2), HOW IT WORK . WHAY WE NEED TO SYNCHRONIZATION.
1 4101Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?
1741If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?
1841We are preparing another project which involves Waste heat recovery from a 1 MW GE Engine. The Engine in particular gives out flue gas at 487Deg C with a flow rate of 5650 kg/hour and this can be cooled to 180 Deg C. This gives a thermal output of ~ 594 KW that is available for input to VAM via heat exchanger / boiler. Additionally 581 KW will be available from engine jacket water (temperature profile 80/ 80 Deg C and a flow rate of 50m3/hr) Our estimation is that 300 TR of cooling is possible with a suitable VAM machine(s). Please advise what is the most suitable arrangement with maximum TR and min Capital expenditure. plz reply me as early as possible
1946Post New Electrical Engineering Questions
What is block diagram?
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
explain the mode of metal iranafer in Co,welding
We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's
Wt is the function of reactive power? How it generates & consume though resultant is zero?
draw the full wave and half wave circuit of 3 phase system and inverter circuit used in ups
In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases
Instrument connected to a single phase supply
WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?
How much weight an electrical engine can pull??
WHAT IS MEANING OF Gg & Gg IN hrc FUSE
Is it posible to instal one more SMDB from the existing SMDB and is it practical.
For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation
What is MSL designation of a motor and same may be provided in details.
earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?
