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when a hand crancked meggar is used to check most three phase induction motors, how many tests r rquired? Why?
1 4166when qty of cable being purchased is not sufficient according to the standard,what should the inspector do to ensure its quality according to the standard?
2124The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?
1909Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?
2325How to find Cable size? Caterpillar generator produce (Two generators) 127*2=254 amp at 11 kv . What would be the cable size (XLPE) to supply 256 amp at 11 kv? Air or surrounding Temperature is 32 degree C. Cable will go under ground at 2.5 feet depth. Group Rating Factors is 3 cables. Clearance between cables is 7 cm. Soil Temperature (Ambient) 28o C Soil Thermal Resistivity is 1.2 K.m/W I would like to use 3 separate single core instead of using 3 core cable. Some says I should use three separate single core 120RM cables. Some says 70RM .some says 95. I m totally confused. Is there ant specific rule to determine cable size? What would be the LT cable size to flow 500 Amp current? Ifte My e mail address is ifte13@yahoo.com Anyone please send me the answer to my e mail address, i will be very glad.
1 85171. What does mean of "PS" stand for Diff. CT class? 2. What is the formula of KW for 1Phase load inturms of voltag,current & P.F.?
4 13331How can we calculate the current if we have load in KVA and if the load in KW then what formula will be use for calculating the current. please give both the formula for calculating the current.
3 9465How to convert KV into MV in a Transformer?. dont say multification of 1000.pls give practical convertion factor.
2 6144Post New Electrical Engineering Questions
what is the principle of operation of CFL ??
Mention what are the different colors on wires indicates?
How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?
WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???
what are the specifications we must look at to select a relay for any capacity motor?
how to determine Sq.mm size of finolex power cables.
how ceiling fan worked?
what is the difference between the voltage of 5 volts capacitor and and 5volts battery?
how we calculate the withstansing current capacity of wires&cables?
Why Stabilising Resistor used in REF circuit ?
exolain the star delta connection
define reflection method?
how can i find cable size from current rating?
what is stper motor
How many kw will suply from one db
