Gas Insulated Transformers

Toshiba’s Gas Insulated Transformer (GIT) is a breakthrough in transformer technology—engineered to meet the demands of today’s most challenging environments. Whether it’s hydroelectric power plants or underground substations, densely populated urban areas, or offshore installations, the GIT delivers unmatched reliability, safety, and performance.

Unlike conventional transformers that rely on oil insulation—posing risks of fire, explosion, and environmental contamination—Toshiba GITs utilize SF₆ gas insulation, offering a safer and more reliable alternative.

 

Overview

Key Benefits:

  • Compact Design: Reduces footprint, ideal for space-constrained environments.
  • Low Maintenance: Minimal long-term servicing requirements enhance operational efficiency.
  • Proven Reliability: With over 1,400 units installed globally since the first delivery in 1967, Toshiba has a strong track record of performance and dependability.
  • High Capacity: Available in voltage ratings up to 330 kV and power ratings up to 400 MVA.

Toshiba’s GITs continue to set the standard for non-flammable, environmentally friendly, and space-saving transformer solutions.

 

Safety Features:

  • Non-flammable
  • Non-explosive
  • No Oil to Check or Replace
  • No Oil Leakage

Insulated Bearings

  • An electric motor operating on an adjustable speed drive is at risk for premature bearing failure caused by stray currents. Experience indicates using insulated bearings on both ends of the motors is the most effective way to protect the motor from destructive currents. A high level of bearing protection is especially beneficial in applications where motor maintenance and replacement are difficult.
  • Extended Horsepower Capability

  • Extended horsepower capability allows a smaller motor to run at a higher horsepower than its baseline depending on the application requirements. This provides motor users potential cost savings while achieving the same motor performance.
  • Insulation with Wide Thermal Capability

  • Critical cooling motors utilize many Class H insulation materials in its winding designs, which provides increased thermal protection. These motors operate with a very low temperature rise at rated conditions, giving them a wide thermal margin and extended motor life.
  • Low Vibration

  • A vibration level exceeding NEMA MG1 requirements provides stability and durability by prolonging motor and bearing life and helping to reduce downtime.
  • Specifications

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