Answer / ravi raj

the condenser defect

Answer / ....

capacitor is week

Answer / guest

In 3ph motor three winding are 120°electrical apart but in case of capactor motor. 1) phase spliti 90°by capacitor ie. 3/4 of NS. 2) generdly Poles are more than 3ph motor. these are may why capacitor fan run siow.

Answer / simon

Assumed CAUSES R=>

1.Weak Capacitor
2.Raise its value to 3.15Mfd (Oil type)
3.Use Magger to check insulation
4.Conduct series testing.
5.Make new rewinding.

* The R.P.M will not exceed 1500*

can we use breather in a SEALED power or distribution transfomer instead of injecting nitrogen.

1 Answers  

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what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?

0 Answers  

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what is the voltage between earth & neutral in 3 phase electrical connection.

0 Answers   Megatron Solutions, SIPL,

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Here iam a question with SYNCHRONIZATION PANNEL related issue, as i want to design a SYNC.pannel board iam giving the 2 nos of 1MVA Generators to sync pannel , then what wil be the out put of the sync pannel, whether it wil be one cable coems from the sync panel or two cables.. as iam using two transformers to meet my load demand, so pls clear me whether two cables comes from sync panel to connect to transformers or only one cable

3 Answers  

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what are upstream faults and downstream faults in power system

2 Answers   Sreetech,

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i need to connect fact device(any one from following upsc,sssc,svc,statcom and tcsc)in 14 bus system....by using MATLAB psat software....if i connect these fact devices,i will get some error as "virtual error"...i cnt rectify this error.if anybody know that how to work in psat,pls help me to rectify this error.... or send mail me to, viki0607@yahoo.co.in

1 Answers  

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Wghat is D-curve MCBs

3 Answers   Indeco,

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In a ordinary plug can we hold the earth in hane and connect the circuit to supply?will we get a shock?

5 Answers  

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

0 Answers  

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What is RCBO? hw it works

2 Answers  

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What should be value of Circuit breaker operating time and tripping time?

5 Answers  

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"What is the difference between voltage and potential differnce?"

15 Answers  

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