Dear All
Recently while stopping a 55 MW Generator Drive Steam Turbine, as per normal shutdown procedure given by Turbine OEM, Turbine load was feduced to 4 MW and Generator Breaker Opened. However Turbine Speed reached Overspeed Trip limit but unfortunately Turbine couldn't be tripped due to...
Dear All
We are facing problem of Coupling Failure on an Electric Motor Drive Centrifugal Compressor Train. The layout is as follows
Motor - Gear Box - LP Compressor - HP Compressor
The Motor is Squirrel Cage type 3 Phase Induction Motor (2 Pole, 2967 RPM, 50 Hz) started Direct On Line. As per...
Dear All
We are facing problem of repeated Coupling Failures on a Centrifugal Compressor Train driven by a 2967 RPM, 2 pole, 3 phase, 50 Hz Squirrel Cage Induction Motor.
Attached is the Screenshot of Motor Curves showing Motor can develop up to 2.5 times full load torque during startup which is...
Dear All
Recently during planned outage of a Steam Turbine, we have observed cracks on the Roots of some Blades in 1st Wheel. The Blade Roots are dovetail design. Turbine is Multi Stage (08 Stages) Extraction/Condensing Impulse Turbine (Rateau Turbine.) Live Steam conditions are 61 barg & 430...
Dear All
We are facing problem of repeated premature Mechanical Seal Failures on 03 Multi Stage Centrifugal Pumps in our Refinery. The Problem is since commissioning and Seal manufacturer has done some modifications but problem has not been resolved.
While comparing Seal Arrangement on all...
We are facing problem of High Exhaust Manifold Temperature problem on Caterpillar 3616 Diesel Engine
The Engine is rated for 5.3 MW at site Conditions (max Inlet Air temp of 49 Deg celsius. However in summer season with ambient temperature in range of 35-40 Deg celsius, the Right Exhaust...
