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Main Lead Bushing

One of our newest products is a hydrogen-cooled main lead bushing for generator leads of 25kV/20kA. The product is an innovative offer directed to customers from Polish and global power engineering.
The Main Lead Bushing 25 kV / 20 kA is prepared to lead out power from hydrogen-cooled generators. This product meets all Polish and international requirements and technical standards as well as Siemens specifications.

Advantages of the Main Lead Bushing

  • Very high quality of used materials
  • Very good electrical, heat and mechanical parameters
  • Very high resistance to mechanical vibration

The most important technical data of the Main Lead Bushing

Nominal voltage 25 kV
Rated current 20 kA
Mass 202 kg
Cooling gas flow 150 cm3
Nominal overpressure 60 psig
Temperature of inlet gas 600C
Type of operation continuous
Cooling agent hydrogen
Type of cooling inner
Temperature of operation 25 do 1000C (77 do 2120F)
Temperature of storing and transportation -55 do 650 (-67 do 1490F)
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