D11 Issues - Cracks in the HP/IP Shell

At STUG 2015, 50% of users of the GE D11 Steam Turbine reported…

Why Valve Freedom Testing is Critical

At STUG 2015, a survey revealed that 43% of D11 combined cycle…

Why is a Clean Generator a Happy Generator?

A generator is susceptible to four categories of aging factors…

How 0.002” Can Ruin a Turbine

Steam turbines can reliably run for 30, 40 years or more. However…

Why Use Hydrogen to Cool a Generator?

A generator is a device that converts mechanical energy into…

Safely Check for Gas Turbine Fuel/Air Leaks

Traditionally operations and maintenance personnel have used…

Why is a Stator Core Made of Laminated Steel?

A turbogenerator stator is comprised of two major components:…

Overlooked Gland Seal Can Be Big Trouble

The steam turbine gland steam seal system is designed to keep…

Compressor Failures - Stator Vane Lock-up

Some compressor failures have been attributed to “lock-up”…

Safety and Hand Grenades

Ever heard the adage "Close is only good in horseshoes and hand…