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what is OLTC and difference between RTCC and OLTC
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Answer Posted / ukansara
litc means on load tap changer
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how to determine motor size for a fan application?
What is voltage ratio of a transformer?
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)
How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.
how to check ac servo motor
What the main causes of transient interruptions on Over-Head Distribution Lines?
sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan
what happen when increase or decrease size of lamp,light.glass.
how many joints are allowed in underground HT cable of 1 KM
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.
what is effect of 5amp fuse on 2mva pry protection of transformer
In a power conditoining unit (inverter) of a solar plant when we measure the d.c. current fed by different strings of solar plates to inverter, the current in the negative wire is less almost by 1 ampere to the current in its positive wire say current in positive wire 5 A , then current in negative wire of the same string is 4 A. Since the current entering should be equal to current leaving then why the current is noticably less in negative wire.
what is 30-phase of transformer
