what is the safety of ACB & VCB and how can this work and
how can the service the ACB & VCB parts name with picture
Answers were Sorted based on User's Feedback
Answer / sanjay srivastav
Earth fault relay
Under voltage
Single phase preventer
Short circuit relay
Is This Answer Correct ? | 3 Yes | 2 No |
Answer / raj kumar
1-under voltes 2-over load 3-reverse power 4-earth fault 5-single Phasing 6-Proper working triping coil.etc.
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / anil bhatti
1.Short circuit
2.Overload
3.Earth fault
4. Undervoltage release
5. Closing release
6.Shunt release
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / dhananjay kumar yadav
Under voltage
Shunt coil
Closing coil
Erth fault
Over current
Release ( instenius )
Vcb safety-
Erth fault
Over current
No moisture
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / shailendra singh
Over voltage
Sant really
ground fault
Over current
Under voltage
short circuit
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / aman bhardwaj
ACB safety
Over load really
Under voltage
Earth fault
Shunt really
Reverse power
Closing really
VCB Safety
High &Low voltage
Master really
Moisture
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / madhuranjan tiwari
1. under voltage
2.over voltage
3.over load
4.short circuit
5.earth fault
6.reverse power
7. Instantaneous (All are safety in ACB)
In VCB
Over current
Earth fault
Over Voltage
Short circuit
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / arul
Under voltage
Earth fault
Short circuit
Instantaneous
Over current
Restricted earth fault
Reverse power relay
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / roman raj
Under Voltage
Over voltage
Earth fault
Closing Coil
Triping Coil
Shunt Realy
Is This Answer Correct ? | 0 Yes | 0 No |
HOW DISTANCE PROTECTION IS DONE IN EHV TRANSMISSION LINES? WHAT IS THE BASIC TECHNIQ OR FUNDA USED BEHIND THIS ? SPECIALLY EXPLAIN?IMPEDANCE METHOD.
what is NANO TECHNOLOGY?
difference between ac motor and dc motor
what is ballast
why DC is not generated instead of AC?
why some transformer without breather.
What are IP protections used for electrical panels, JB, equipments installed in explosive zones like Petrochemicals, Oil & gas
how to check the LRS resistance .......................
If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.
16 Answers BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,
present we are having 0.8pf but I want increase it up to 0.99 so what is the formula for it and how can i calculate?
low voltage distribution is done by a)3 phase 3 wire b)3 phase 4 wire c)single phase
Pure inductive ckt takes power from AC when 1. Applied voltage and Current increases 2. applied voltage and current decreses 3. voltage decreases and current decreases please justify