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CURRENT TRANSFORMERS
The basic application of current transformers are:
  • Lowering the very high primary current passing through bus bars, cables, or wires to 5A or 1A, a measurable quantity by measuring instruments.
  • Isolating the measuring instrument and protective devices from mains.
  • Reproducing proportionate primary current on its secondary side, as  required for extending the range of the instruments.
Basically CTS are of different types:
BAR PRIMARY CURRENT TRANSFORMER (BPCT)

For Currents of 100A and above the bus bars or cables are quite thick and it is easier to measure the currents without breaking the bus bars or cable by means of a Bar Primary current transformer which can be slipped over the bus bar or cable. These CTs are most commonly used as they are sturdy, compact and more economical.

WOUND PRIMARY CURRENT TRANSFORMER (WPCT)

For currents below 100A, it is uneconomical to achieve the desired accuracy by employing Bar primary type CTs and the solution is Wound Primary C.T., where both primary and secondary are Wound over the core.

CLAMP ON CT'S

NIPPEN clamp-on CT's enable quick and accurate current measurements on live circuits without disconnecting loads. Precision phase shift characteristics ensure accurate power or energy measurements conveniently. These are one of the accessories in our energy audit system.

Models: