Voltage Transformer Cabinet (500/220/110/35kV)

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The voltage transformer cabinet is used for organizing voltage circuits for measurement, protection, metering, automation, monitoring and signaling of voltage transformers. The cabinet is designed for operation in industrial atmospheric conditions.

Technical Specifications:
 
Parameter Value
Current type (frequency)
 AC, 50Hz
Rated current
 5А
Rated measurement circuit voltage
 100V AC
Rated auxiliary circuit voltage
 220V AC
Measurement circuit insulation voltage
 500V
Auxiliary circuit insulation voltage
 500V
Protection rating (IP)
 IP31
Earthing system
 TN-C
Internal separation type
 Type 1
Functional block connection type FFF

 Functional Composition: 

  • Voltage monitoring and energy metering circuits;
  • Broken delta monitoring circuits.

Overall dimensions of the device:

  • Height 2130 mm; 
  • Width 800 mm;
  • Depth 650 mm;
  • Weight ≤150 kg.

Design and Operation:

       The cabinet features a Type 1 separated metal frame with bottom cable entry. Terminal rows for external control/signaling connections are installed on side panels. The front panel contains control elements and measuring instruments. Complies with ST RK GOST R 51321.1-2010 (IEC 60439-1-92).