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how to measure the current by compact digital equipment with dislay which fit inside any equipment
1988hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar
1989If excitation will increase, then what will be the effect on power factor? Will it decrease or increase?
4 23809please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in
2022While testing the value of the resistance for the earthing rod, two auxillary rods are connected to the earthing tester.What is the working function of a earth tester?
1981explain why tap changer is always connected to high voltage winding side of the transformer.
10 44125Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
Bhel,
2168Need help. 3 phase system. Neutral line arced and melted upon connection of connector with 3 phase power. Why would that happen?
4 6541i have seen one 8.4 MW synchronous motor in a plant located in bellary it is fixed with brushless rotary rectifier ,anybody can explain its start up principle
1979Post New Electrical Engineering Questions
what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?
i have a 1500kVA transformer what is the kWH meter i need to use?
What are the different towers used in 132kv transmission line? what are the differences between the P,R,S towers used in 132KV and detailed explanation
Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).
Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above
What is Phase margin?
We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks
Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?
In the N-series schneider reclosers. What is the difference between current during fault time and current at tripping? This appears in the Event log in an event of a trip out.
how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.
any idea abt REVERSE METERING concept.........?
Why we are going for converter transformers for DC drives application instead of distribution transformer?
what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????
what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that
Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!
