Electric lamp and discharge devices: systems – Discharge device and/or rectifier in the supply circuit – Plural discharge devices and/or rectifiers in the supply...
Patent
1992-05-12
1994-05-10
Mis, David
Electric lamp and discharge devices: systems
Discharge device and/or rectifier in the supply circuit
Plural discharge devices and/or rectifiers in the supply...
315209R, 315224, 315226, 315307, 315DIG2, 315DIG5, H05B 4129, H05B 4136
Patent
active
053111028
ABSTRACT:
The present invention relates to a power supply unit for discharge lamps, comprising a rectifier (3); an oscillator output portion (5); an inductor (1); capacitor (2, 4, 7, 8). And further comprising a sampling resistor (9) and a module (10). It is used to reduce the capacitive impedance at the input end of the circuit, minimizing the components of high-order harmonics produced in the circuit, weakening the high-order harmonics of source current to the degree that they no longer impact the power network.
REFERENCES:
patent: 4808887 (1989-02-01), Fahnrich et al.
patent: 4949016 (1990-08-01), DeBijl et al.
Mis David
Wei Hai Bei Yang Electric Group Corp.
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