Combined CTPT Metering Unit

Combined CTPT metering units that are available up to 33kV class are manufactured specifically to meet the needs of electricity supply and captive generating units. These are precisely developed, with the help of advanced technology machines to make accurate assessment of the energy transferred. These metering units are manufactures in accordance with the set standards of quality thus assuring optimum functionality.

 

Technical Specifications
TypeOutdoor Oil-cooled / Dry Type
Rated Voltage33kV or 11kV
Highest System Voltage36kV or 12kV
                                  Current Transformers
Reference StandardIS-2705 / IS-3156
Rated Primary Current1A to 1800A
Rated Secondary Current1A or 5A
Short time Current for 1secupto 27.7KA for 33kV
upto 21.65KA for 11kV
Class of Accuracy0.2s to 1.0
Rated Burden5VA to 15VA
                                 Potential Transformers
Reference StandardIS-3156 / IEC-60044-2
Rated Secondary Voltage110V
Primary NeutralFloating or Earthed
Rated Burden10VA to 100VA
Class of accuracy0.2 to 1.0