what is the frequency standard with tolerance level for India?
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how to calculate micom relay earth falt time and current sertting
Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?
Zone of protection and tripping scheme of arc protection relay.
What is different type of Electrical curve and how it protects the equipment's while up-normal situation?
what is the meaning of number in (11, 31, 61,14, etc. CDG11, CDG31, CDG61, DDT32
how we can calculate power factor in single phase & three phase ?thank u
Difference between control junction box (cjb) and power junction box(pjb)?
What are the two types of compensation?
how we findout a ignater is faulty or not?
Define what is the function of anti-pumping in circuit breaker?
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?
What are books to be referred for KPTCL exam?
If 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?
What are the advantages of the three-phase motor over single phase motor?
which connection is safer series or parallel?usually which connection we prefer at home?
