| 摘要 |
The electrical power supply according to the invention receives a first DC voltage (Vs) from the outside and delivers a high DC voltage to a plasma display panel. The power supply connects (T4) the DC input voltage to the positive polarity side of a first capacitor (C1) of a plurality of N capacitors (C1, C2, C3) connected in series with one another, and connects the positive polarity side of the first capacitor to earth (operation 1); it connects (T1, T2) the DC input voltage to the positive polarity side of a Mth capacitor (C2) of the N capacitors, and connects the negative polarity side of the Mth capacitor to earth (operation 2); it repeats operation 2 for M varying from 2 to N (operation 3); and it delivers the voltage from the positive polarity side of the first capacitor to the plasma display panel (operation 4). <IMAGE>
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