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JDZJ Voltage Transformer

Summary
The voltage instrument transformers JDZ1-1/JDZ2-1 are designed for electric power systems of 50/60Hz rated frequency and rated voltage 1kV. They are used for indoor mounting. The performances of the products meet standards IEC60044-2 and GB1207-2006. The products are used in metering electric energy, voltage controlling and relay protection applications.

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JDZ1-1/JDZ2-1 Voltage Transformer

Summary
The voltage instrument transformers JDZ1-1/JDZ2-1 are designed for electric power systems of 50/60Hz rated frequency and rated voltage 1kV. They are used for indoor mounting. The performances of the products meet standards IEC60044-2 and GB1207-2006. The products are used in metering electric energy, voltage controlling and relay protection applications.


Structure feature
The transformers are in casting type insulation structure. The iron core is piled of silicon steel sheets, and wounded with primary and secondary windings. The shell of the transformer is cast insulated. The secondary outlet terminals a re marked a s 'a' and 'x', while the primary terminals are marked as 'A' and 'X'.

Rated voltage ratio (V) 380,660/100 660,1140/100 750,1500/100
Frequency (Hz) 50 50 50
Rated output (VA) for accuracy class 25 25 25
Insulation level (kV) 0.66/3.6 1.14/3.6 1.5/3.6

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