Transformers withstand railway shorts
An
ABB Power Technologies product story
Edited by the Engineeringtalk editorial team
Aug 12, 2004
ABB has won a GBP 600,000 contract to supply three specialist 26MVA, 132/25kV single-phase railway transformers to Central Networks.
ABB has won a GBP 600,000 contract to supply three specialist 26MVA, 132/25kV single-phase railway transformers to Central Networks (the new name for Midlands Electricity and East Midlands Electricity).
The transformers, which will supply power to Network Rail, are to be installed at trackside substations in Kidsgrove and Tamworth.
The short circuit withstand capability of ABB rail transformers was the key to winning this contract.
As David Sullivan, UK Product Marketing Manager for ABB Power Transformers, said: "Short circuits are a relatively rare occurrence for a normal grid transformer".
"But a rail transformer is effectively subjected to a short circuit current of 6 to 10kA every time a train goes past".
"This calls for a highly developed and very robust design, and ABB's track record as the UK market leader in rail transformers combined with a proven short circuit test record persuaded Central Networks and Network Rail that we could offer the optimum technical solution for this application".
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