HOW TO CONNECT THREE PHASE OVER LOAD RELAY FOR SINGLE PHASE

Question Posted / erharisheee51

2 Answers
4724 Views
Quest, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

HOW TO CONNECT THREE PHASE OVER LOAD RELAY FOR SINGLE PHASE..

Answer / meka sekhar

three phase over laod relay can also be used for single
phase also. In this case, three overload relays shall be
wired in series with single phase circuit. The current
flowing through this relays will be detected whenver over
current flows and trip the breaker.

Is This Answer Correct ?

6 Yes

0 No

HOW TO CONNECT THREE PHASE OVER LOAD RELAY FOR SINGLE PHASE..

Answer / karna

In Three Phase relay Three terminals are there , use two
terminals in series with phase and one terminal for
Netural . Why we are connecting like these because balance
current will flow in the relay, then only if any fault(
O/L, E/L) occur it will trip

Is This Answer Correct ?

4 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

What is meant by SPS Aluminium pipe in substations? Anyone knows whats this?

1 Answers Amec,

how load of a turbo generator can be increased

0 Answers

Is pure capacitor load and pure inductor load is an linear load? pls justify

2 Answers

What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

0 Answers

how much load should be given on 5 mva transformer

7 Answers NTPC, OHPC, Power Grid,

Why we called L-G fault as line to ground fault why ground? suppose if a line falls on building roof then can we called these fault as line to roof fault? please explain why ground term is used here?

3 Answers Bhel,

How to calculate the CFM to TR? What is the Formula

12 Answers Carrier, Voltas,

How much depth n width required for laying of 1X70 Sqmm Cable in Desert???

0 Answers Alka Electromech, Aramco,

How much width of the land shall have to be left below the EHT line of 440 kv as per the rule. i am told that a corridor of 35 M width is to be left free below 220 kv line. please confirm

1 Answers

What is the selection & Designing procedure for DG/Transformer

4 Answers Crompton Greaves, Sterling, TATA,

what is armature reaction?explain in simple words?and what is its infleunce on dc motor

16 Answers

WHAT IS DIFFERENCE BETWEEN POTENTIAL DIFFERENCE AND E.M.F?

2 Answers

For more Electrical Engineering Interview Questions Click Here