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Capacitor Voltage Transformer TYD (126 - 550 kV)

World-class CVT for long term performance and reliability

Capacitor Voltage Transformer TYD is designed for revenue metering and protection in high voltage networks.

It is of single-phase design and intended for connection between phase and ground in networks with insulated or direct-grounded neutral points. The high quality, state of the art, automated manufacturing of the capacitor elements provides consistent quality to ensure long term reliability and performance. Due to the optimized proportions of the mixed dielectric, the capacitor elements are subject to low electrical stress with high stability under extreme temperature variations.

The TYD is available from 126 kV up to 550 kV. It can withstand a wide range of shifting conditions including polar and desert climates.

Applications

  • Revenue metering
  • Protective relaying
  • System control and indication of power flow

Why Hitachi ABB Power Grids?

  • Reliable
    • The low voltage stresses within the capacitor elements ensure a safe and reliable product. 
    • Hitachi ABB Power Grids provides most efficient ferroresonance damping systems available in the market. Hitachi ABB Power Grids' damping technology guarantees a safe and stable elimination of ferroresonance at all frequencies and voltages up to rated voltage factor.
  • Accurate
    • Good accuracy under all service conditions, independent of variations in temperature, frequency, voltage and burden.
    • Mixed dielectric (polypropylene and paper) in unique proportions, which is far more stable to temperature variations than other mixed dielectrics, and gives the TYD superior accuracy stability.
  • Flexible
    • TYD is designed and adjusted at factory for the burden and accuracy class  according to specifications.
    • Hitachi ABB Power Grids' wide experience and expertise helps find an optimum solution.

Brief performance data

TYD    
Installation   Outdoor
Design   Capacitor type, complies with IEC
Insulation
    CVD
    EMU
  Aluminum-foil / paper / polypropylene-film, synthetic oil
Paper - mineral oil
Highest voltage for equipment kV 126 - 550
Voltage factor (Vf)   Up to 1.9/8 hrs
Insulators   Porcelain / Silicon rubber
Creepage distance mm/kV > 25 
Longer on request
Ambient temperature ºC -40 to +40 
Others on request
Design altitude m Maximum 1000
Others on request
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