IEVref:845-07-72ID:
Language:enStatus: Obsolete
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 these electrodes are fed by separate circuits

NOTE – Each electrode is usually connected across a low-voltage winding which may be part of the ballast and provides the heating current. In certain circuits, this low voltage is automatically decreased after the arc has struck.


Publication date:1987
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Internal notes:2015-12-01: Editorial correction: "low voltage winding" corrected to "low-voltage winding". JGO
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