IEVref:845-27-131ID:
Language:enStatus: Standard
Term: parallel cathode heating, <of a discharge lamp>
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Definition: type of heating of the electrodes of a discharge lamp in which the electrodes are fed by separate circuits

Note 1 to entry: Each electrode is usually connected across a low-voltage winding that can be part of the ballast and provides the heating current. In certain circuits, this low voltage is automatically decreased after the arc has struck.

Note 2 to entry: This entry was numbered 845-07-72 in IEC 60050-845:1987.


Publication date:2020-12
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