What is the difference between PT for metering and PT for protection ?
Answer Posted / maqbul
Metering PT used for measuring purpose and it is design to operate on knee point of flux v/s I curve..
Metering PT has less volume of core...
While protecting PT is used for protection purpose and it is design to operate on ankle point of flux v/s I curve.
Protecting PT has more volume of core..
| Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
difference between main metering kiosk and check metering kiosk
What are the types of piano switches?
how to test reverse power trip?
what is the prinsiple of dc motor and construction and working ,application of dc motor.
Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?
Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??
i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper
What is meant by bus bar protection?
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.
what types of cable used in underground coal mining?
how can you calculate fault level ?
Do you need any help with FEWA Electrical Supervisor exams?
What will be the diameter of pipe between conservation tank and transformer
What is the difference between type1 and type2 relay protection co-ordination for motor feeders