Transcription of Surge Arresters Application and Selection
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Surge Arresters Application and Selection
Surge ArrestersApplication and SelectionAdria JonesPage 2 May 2012 2009 Siemens Energy, Inc. All rights reserved Mounted in parallel to the transformer/equipment Handle over voltage Surge , clamp it down Absorb energy from the Surge Discharge the Surge current to the ground Protect the transformer / equipment Dissipate the energy and remain thermally stable Provide reliable & predictable service, safe performance Mounted in parallel to the transformer/equipment Handle over voltage Surge , clamp it down Absorb energy from the Surge Discharge the Surge current to the ground Protect the transformer / equipment Dissipate the energy and remain thermally stable Provide reliable & predictable service, safe performanceFunctions of Surge ArrestersPage 3 May 2012 2009 Siemens Energy, Inc. All rights reservedSources of Surges Lightning Switching System generated TOV Lightning Switching System generated TOVPage 4 May 2012 2009 Siemens Energy, Inc.
Mounted in parallel to the transformer/equipment Handle over voltage surge, clamp it down ... Tube Design SR Hollow Core SR Tube Design SR WORKING 446,000 35,000 168,000 ... Line charging voltage 2) 2.6 2 2.6 Max rms L - G voltage i.e. MCOV 0.021 kJ/kV of MCOV
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