Hi ,what the accurate method to set correct(In) over load to
protect the 3~ motor

Answer Posted / simon peter

Firstly u should know the correct ampere of the load which will b drawn. According to rating buy ELCB,M.C.B of that rating .....

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How we can defined theecopper cable size if we know the aluminium cable size?

1584


what is mean by PIR in circuitbreaker and give me detail of that?

3259


How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

1775


Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

1836


what is feeder bay?

1283






Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega

1577


what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

1909


I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

1548


Which Class insulation is prefered for the sandwich Busducts ? Why?

1752


how to calculate the conductor size for certain KV transmission line and distribution line?

2203


What is dielectric loss?

819


sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

1206


How do apply electrical 'c'license......pls advice

1418


If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

2060


How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

5118