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This paper discusses three projects in which low ripple three-phase power supplies (TPPS) were used as part of the solution in reducing the ESP PM emissions. TPPS have been used on coalfired boiler ESPs in Europe for many years, and in the past three years, Babcock & Wilcox (B&W) has more than 800 installations in China on cement kiln ESPs. Previous to this writing, there had been no installations of the TPPS in the United States (U.S.). 1. The Babcock & Wilcox Company, Barberton, Ohio, 2. Dynegy Wood River Generating Station, Alton, Illinois, 3. Duke Energy, Crystal River Generating Station, Crystal River, Florida. John A. Knapik, 1, Jia (Erick) Ma, 1, Steve Burgund, 2, Morgan Beveridge, 3, Steve Marchigiano, 3, and Michael Williams, 3;
Revision Date: 7/16/2019
Tags: Babcock & Wilcox, Dynegy, Duke Energy, Europe, China
Duke must decide on excavating all its NC ash ponds by Aug 1
North Carolina officials have ordered Duke Energy to excavate all its coal ash storage ponds in the state, saying the utility’s current plan for its coal ash sites does not sufficiently protect groundwater.
Revision Date: 6/25/2019
Tags: 221112 - Fossil Fuel 化石燃料, Duke Energy, Coal Ash Ponds, Closures, Ruling, Excavate, USA
Duke will need to excavate or cap ponds at Wabash River Generating Station
Duke Energy will need to create a corrective action plan for its coal ash ponds in Indiana after mandatory groundwater testing found the ponds have contaminants at levels higher than groundwater protection standards.
Revision Date: 6/20/2019
Tags: 221112 - Fossil Fuel 化石燃料, Duke Energy, Coal Ash Ponds, Cap, Regulatory Process, USA