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Study and Design the High Frequency Generator of the Electrodeless Discharge Lamp

Author: TanZhongLiang
Tutor: ZhouZuo
School: Northeastern University
Course: Control Theory and Control Engineering
Keywords: High frequency induction lamp High-frequency generator Power Line Filter Power Factor Correction Half - bridge inverter circuit
CLC: TM923.4
Type: Master's thesis
Year: 2009
Downloads: 72
Quote: 0
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Abstract


Frequency electrodeless lamp as a new type of green electric light , energy saving, long life , and three environmental advantages , occupies a pivotal position in the lighting market will electrodeless lamp , both to save energy or reduce environmental pollution significance. In this paper, an enterprise of Shenyang electrodeless lamp stability is not high, to study the induction lamp high frequency generator hardware circuit . This paper first analyzes the power supply filter circuit , summed up the principle of filter design parameters . Detailed analysis of the working process of the power factor correction circuit is then proved on the basis of a constant frequency control and frequency control mechanism , variable frequency control better able to improve the power factor ; through the derivation of the expression of the steady-state parameters obtained parameter values ??of the maximum and minimum . MATLAB simulation to verify the stability of this circuit work . In order to solve the problems caused by the high - frequency half - bridge inverter circuit , the pulse transformer waveform distortion occurs in the design of the transformer with a damping factor of 1 , reducing the probability of damage to the power tube . Induction lamp high-frequency inverter circuit structure and ways of working , to come to cause failure of the power switches are two main reasons : First , the gate of the power transistor switch tube common conduction oscillation signal , this proposed in the PCB as far as the design of the power tube and pulse transformer near distributed inductance to reduce the simulation to verify the effectiveness of this approach ; power tube lack of protection measures proposed power tube plus an IGBT protection circuit . Finally, the overall circuit protection , filter components , to further improve the reliability of the induction lamp , electrodeless lamp life prediction using BP neural network has a certain economic value in use .

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CLC: > Industrial Technology > Electrotechnical > Electrification,electrical energy application > Electrical lighting > Illuminator
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