69KV CURRENT TRANSFORMER SAMPLE TECHNICAL SPECIFICATION Sample specification of a 69kv Current Transformer. Description: For Oil-Filled Type: The unit shall be hermetically sealed and of the minimum oil-filed type and compact design. All sealing shall be located below the oil level. The expansion room shall be of a gas cushion type filled with nitrogen. Oil level should be of the reflection type and without moving parts. Primary terminals shall be suitable for connection of copper or aluminum connectors. The external ferrous parts shall be of hair pin type insulation consisting of oil-impregnated paper and capacitor layers for voltage grading. It should be preferably provided with a capacitance voltage tap throughout thru an insulated, factory grounded, bushing for checking the condition of its primary insulation. It should have a high seismic withstand capability of 0.5G. The unit must be able to be tilted to 60 deg. C. For Gas Type: The primary and secondary winding of the SF6
Understanding Loss in Electrical System