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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 4101when 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?
2090The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?
1870Metal 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?
2283How 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 84411. 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 13214How 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 9312How to convert KV into MV in a Transformer?. dont say multification of 1000.pls give practical convertion factor.
2 6059Post New Electrical Engineering Questions
what is the meaning of vcc
How CFL &T5 tube light glows?
Define phase cross over?
How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.
i need some project topics along with circuit diagram in the electrical adnd electronics engg and also give ome website regarding projects.my mail id is thenmozhi2k7@gmail.com .please help me.
harmonics filter
why voltage form factor of PT are increase , when it is ecpected heigher spikes in system. how it is calculated.
Why does the radius of armature is less than the radius of pole shoe?
aternator every parts and its working
What is the meaning of floating point earthing in battery backed systems ?
What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?
Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.
Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?
what is booster? and how it is connected in a circuit?
Why auxiliary transformers are not connected in parallel in primary stations?
