Main Stop Control Valve and Bucket Replacements
MD&A performed a major inspection and scheduled repairs of a Toshiba® 130 MW steam turbine. During this planned outage, along with a LP turbine inspection,…
Tag: controls
Gas Turbine Exhaust Temperature Spreads
What is an exhaust temperature spread, and why is it so important to monitor and take appropriate action when an exhaust temperature spread develops? An…
Recommissioning Legacy Turbine Control Systems for Enhanced Reliability
Increases in renewable energy on the power grid have increased the need for reliable peaking power. In many cases, these assets are available but less…
Co-Gen Turbine Controls Retrofit
Mechanical Dynamics & Analysis’ Turbine and Generator Controls Division replaced an industrial co-gen turbine’s original mechanical-hydraulic (MHC) controls with an electronic governor, electro-hydraulic trip system…
Global Multiyear Major Outages
Mechanical Dynamics & Analysis (MD&A) recently performed multiyear outages for a customer on several different units in Colombia. First unit: This was a major outage…
Gas Turbine Major and Generator Test & Balance
Mechanical Dynamics and Analysis (MD&A) was contracted after a forced outage to perform a major overhaul on a cogeneration unit’s MS5001PA gas turbine, and to…
HPU Pump Motors Are Continuously Running
PROBLEM DEFINITION The Hydraulic Power Unit (HPU) pump motors are continuously running at excessive current levels. DETAIL Many Hydraulic Power Unit (HPU) pump motors have…
