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link 18.12.2007 8:07 |
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Subject: at twice at twice - ?instantaneous product - ? into the output capacitor is not constant but is a sine wave at twice the line frequency since power is the instantaneous product of voltage an current. This is shown in Figure 2. The top waveform shows the voltage and the current into the power factor corrector and the second waveform shows the flow of energy into and out of the output capacitor. заранее спасибо |
| с вдвое большей частотой, имхо |
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