Hydraulic trip shut-off module TSM 2-o-o-3

• Steam turbines of all power classes
• New systems or retrofits
  

Features

• Reliable actuation of the trip valve in combination with prevention of erroneous actuations
• High-availability redundancy system with 2-out-of-3 voting logic,
  MTBF > 100,000 years
• Compact electro-hydraulic unit
• Supports testing and maintenance during operation
• Optional explosion protection available (ATEX, CSA etc.)
  

Benefits

• Logical continuation of triple modular redundancy (TMR) right down to the hydraulic actuator technology
• Ideal addition to support electronic overspeed detection
• No outage in the case of isolated errors
• Rapid closing of the trip valve (generally in under 300 ms)
• Supports replacement of electronic components during operation without stopping the turbines
• Supports testing of each TSM module during operation
• Entire system offers high availability