11 KV 3 Ph resin cast PT




Design of standard instruments, relays or equipments normally does not permit them to be considered directly to the high voltage systems. Potential transformer therefore play a key role hereby performing the following functions:

  • For electrically isolating the instruments and relays from the high voltage side.
  • For transferring voltage from higher values to proportional lower values upto 63.5V, 100V and 110V as per the standard of equipment.

Types of PTs :-

  • Indoor Epoxy Resin cast.
  • Outdoor Oil cooled Type.

Accuracy
The class of accuracy for metering PTs are 0.1, 0.2, 0.5 and 1.0 and protection of PT is 3P.


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