Friday, September 13, 2013
Wednesday, August 14, 2013
VESDA VLF
VESDA system is a very early smoke detection and alarm system.
The system is supplied by m/s Tyco.
The system is installed in IT server room. In the same room, other two systems are also installed called novec for fire fighting and WLD Water Leak Detection.
IMPULSE TURBINE AND REACTION TURBINE
The difference between impulse turbine and reaction turbine is clearly depicted in below figure.
It also shows graph for steam velocity and pressure drop.
SSS Clutch Instruments JB arrangements
The picture below shows Junction Box Arrangement for SSS Clutch Instrumentation.
SSS clutch is used in Siemens single shaft combine cycle power plant.
Siemens has modified these JBs arrangement somewhat to rectify Oil leakage problems from these JBs.
Rexroth make positioner
This is a Rexroth make position controller and it is used in HP Steam Bypass Control valve and HP Steam bypass water injection control valve.
Used in HRSG Area.