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Peaking Power, Chapter Seventeen: The Long Anticipated 7EA!

Published on July 19, 2012 By dlucier

General Electric introduced the MS7001EA in the early 1990s to much fanfare, and deservedly so.  From the introduction of the first so-called Frame 7B two decades earlier, the 7EA evolved and soon proved to be a workhorse machine of the power generating industry.  It is rated about 90 MW at ISO conditions, a good size [...]

Peaking Power, Chapter Eleven: The Long-awaited Frame 7

Published on October 17, 2011 By dlucier

  In 1971, General Electric finally offered a power plant of the size that most electric utilities wanted 6 years earlier after the Northeast Blackout of 1965.  It was called the model series MS7001 package power plant.   Also known as the Frame 7, it was rated approximately 40 megawatts, making it nearly three times [...]

Peaking Power, Chapter 10: The Great Northeast Blackout

Published on September 19, 2011 By dlucier

  On November 9, 1965, the northeastern United States experienced a severe power outage.  It came to be known as The Great Northeast Blackout, as many states experienced a power blackout lasting up to twelve hours.  The term “black start” capability is common in the power generation industry.  It came into prominence this suddenly dark [...]

Peaking Power, Chapter 8: Compressor Drives for the Industrial and Gas Pipeline Industry

Published on July 2, 2011 By dlucier

  In the 1950s, General Electric designed, constructed and installed hundreds of 2-shaft gas turbines.  The units had two, mechanically-independent turbine stages.  The high-pressure (HP) turbine powered the turbine’s own 15-stage, axial-flow compressor.  The low-pressure (LP) turbine drove another manufacturer’s load compressor (Cooper-Bessemer, Nouvo Pignone, Dresser).  These turbines were used primarily in the gas pipeline [...]

Peaking Power, Chapter 7: The Fuel Regulator

Published on May 15, 2011 By dlucier

The first control system used on GE gas turbines in the late 1940s was manufactured by Young & Franklin (Y&F) of Liverpool, NY.  It was called the Fuel Regulator, although fuel does not actually flow through the device.  It is a mechanical-hydraulic control (MHC) device that has an electric governor and pneumatic temperature control element.  [...]