Voltage Transformer, also called Potential Transformer (PT) includes Outdoor and Indoor type. Usually, outdoor voltage transformer is an epoxy resin casting and silicone rubber composite insulation, fully enclosed post structure. It’s applied to rated voltage of power system up to 10kV, 40.5kV for measuring current, electric energy and relay protection
Indoor voltage transformer is the epoxy resin casting, fully enclosed post structure. It’s rated frequency 50Hz or 60Hz, rated voltage of power system up to 6kV, 10(12) kV, for measuring current, electric energy and relay protection. It conforms to IEC60044-2 standard.
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