What is the difference between PT for metering and PT for protection ?
Answers were Sorted based on User's Feedback
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 |
Metering PT s are more accurate ( 1, 0.5 ,0.2 )for 80% t0 120% of rated voltage .
Is This Answer Correct ? | 3 Yes | 0 No |
Answer / hardik patel
There is no difference between metering PT and protection PT. for both purposes same PT can be used.
Is This Answer Correct ? | 2 Yes | 9 No |
CFL lamp is what type of load?
what is 30-phase of transformer
what is DG synchronization panel plz explain the working!!!!!!!
12 Answers Kirloskar, Lanco, MPS Techologies, Sedemac,
What is the Maximum Power generation capacity of a Synchronus Machine ??
My switchgear busbar is rated at 2000A and just imagine the actual load on busbar is 1000A. From that busbar there are 10 outgoing feeders. Now the question is will the load be 1000A on each outgoing feeder or 100A per outgoing feeder. 2nd thing how do i calculate the load on individual feeder. Thanks for your time. Please provide some clarification on this issue.
sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"
why humming sound occured in h HT transmission line
V.c.b and a.c.b difference
what is reactive power?
what will happen if a 3 phase motor is connected to a single phase circuit and vice versa?
if we put a energy meter in 500 kvar capacitor bank ,then how much units show in energy meter per day.
what is phase to phase fault? what is line to line fault?
2 Answers Phoenix Technologies,