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Arcing can occur in fluorescent lamp sockets due to poor connections. This is a hazardous condition that could cause damage to the socket and is a potential for fire. A circuit is developed to detect when an arc occurs in a self oscillating electronic ballast. The circuit detects the change in frequency that occurs in the resonant circuit when arcing occurs. Based around a digital counter, the developed...
In this paper, the fundamental approximation combined with a time-varying phasor transformation is applied to obtain an envelope model of a phase-controlled triple LCpCs resonant inverter. The resulting model removes the high-frequency component while keeping the useful information contained in the waveform envelopes. The method provides large and small-signal Spice compatible models in a straightforward...
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