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GE Grid leakage

GE Grid leakage

Jul 15, 2007 · For a General Electric combined HP-IP steam turbine, the design (heat balance) leakage from the HP to IP turbine, through the N2 packing, is typically 2% of hot reheat flow.

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    The combination of its material properties, together with the gasket design, allows gas-insulated substations to be reliably gas-tight during their entire lifetime and meet the maximum allowed leakage rate of 0.5% per compartment and per year, as specified in IEC 62271-203.

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    If BGEassessment of the reported natural gas odor determines the leak is on customer-owned equipment, such as piping and gas-fed appliances located after the gas meter, BGE may need to interrupt gas service to make the area safe. The customer is responsible for necessary inspection and repairs of their equipment. Repairing natural gas leaks

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    GE will supply the two conventional power islands for Hinkley Point C, UK, which includes the Arabelle steam turbine, generator, and other critical equipment. Already the biggest steam turbine in operation in China, HPC’s Arabelle turbines will be the largest ever built—longer than an Airbus 380—and capable of producing 1,770 MW each.

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  • Finding and fixing leakage within combined HP-IP steam

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