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looking at this crossword definition, it has 14 letters.
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Possible Answers:
ACELA.
Last seen on: Eugene Sheffer – King Feature Syndicate Crossword – Dec 28 2022
Random information on the term “ACELA”:
Railway electrification systems using alternating current (AC) at 25 kilovolts (kV) are used worldwide, especially for high-speed rail. It is usually supplied at the standard utility frequency (typically 50 or 60Hz), which simplifies traction substations. The development of 25 kV AC electrification is closely connected with that of successfully using utility frequency.
This electrification is ideal for railways that cover long distances or carry heavy traffic. After some experimentation before World War II in Hungary and in the Black Forest in Germany, it came into widespread use in the 1950s.
One of the reasons why it was not introduced earlier was the lack of suitable small and lightweight control and rectification equipment before the development of solid-state rectifiers and related technology. Another reason was the increased clearance distances required where it ran under bridges and in tunnels, which would have required major civil engineering in order to provide the increased clearance to live parts.