Today’s heat recovery steam generators (HRSGs) are suffering reliability problems, mainly because they’re being operated in the cycling mode instead of the baseload mode for which they were designed. The…
HRSG User’s Group
The North American Electric Reliability Corp. (NERC) recently issued a regulation for all power producers to test their electrical systems for proper coordination between protective relays. This protective-relay coordination standard…
When U.S. President Jimmy Carter signed into law the Public Utility Regulatory Policies Act of 1978 (PURPA), he unintentionally ignited the worldwide deregulation of electricity markets, which in turn began…
If you look up the history of users’ groups, you’ll find that many early organizations focused on computers. While it’s hard to confirm all the details, at least one source…
The 2019 HRSG User’s Group Annual Meeting will co-locate with the 2019 ELECTRIC POWER Conference & Exhibition in Las Vegas, Nevada, offering extended conference content for both conferences and allowing…
On many combined cycle projects, the major decisions about boiler chemistry are left until after the plant has been designed, equipment is procured, and construction is well underway. However, the…
For a decade or more, heat recovery steam generator (HRSG) users have heard that Grade-91 tubing (T-91) is susceptible to microstructure damage from improper heat treatment. Now, a new damage…
A recent article in The Wall Street Journal heralded the following: “Power Plants Bloom Even as Electricity Prices Wilt.” Understandably, the WSJ editors are excited about the current spate of…
Owners and contractors can run into contractual disputes during combined cycle construction projects. Often, the disagreements snowball into lawsuits, which create a lot of activity in attorney offices, but can…
Today’s construction boom in the combined cycle/cogeneration sector is great news for suppliers of gas turbines (GTs), heat recovery steam generators (HRSGs), and engineer-procure-construct (EPC) services. But before this boom…