H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 41/28 (2006.01) H02M 7/5383 (2006.01)
Patent
CA 2067320
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, minimising 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. -1-
Du Rong Jiu
Sim & Mcburney
LandOfFree
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