Constant current regulator for airport lighting
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United States of America Patent
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Nov 2, 2004
Issued Date -
N/A
app pub date -
Feb 27, 2003
filing date -
Aug 16, 2001
priority date (Note) -
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Abstract
A constant-current regulator for high-powered airport lighting loops combined a ferroresonant transformer and a digital programmable logic device to provide a versatile, software-modifiable current control for power transfer throughout a range of about 30 kW to 50 kW with uniformly good power factor and low harmonics without switching winding taps, and without requiring oil cooling.
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