gar
Senior Member
- Location
- Ann Arbor, Michigan
- Occupation
- EE
171007-1724 EDT
The photo of post 17 very clearly shows three heat sinks, and they need to be isolated from each other. One heat sink has two diodes mounted to it. Each of the other heat sinks has one diode. This is why one can conclude that the diodes are wired as a bridge.
With a 240 V RMS sine wave applied to the bridge input and a resistive and/or inductive load the bridge average DC output voltage is 240*0.636/0.707 = 215.898 V. Then one must subtract diode drops. Or approximately 214 to 215 V DC output.
If you add sufficient capacitance at the bridge output (make it a capacitor input filter), then you can make the average DC output voltage approach the peak voltage of the sine wave, or about 339V.
.
The photo of post 17 very clearly shows three heat sinks, and they need to be isolated from each other. One heat sink has two diodes mounted to it. Each of the other heat sinks has one diode. This is why one can conclude that the diodes are wired as a bridge.
With a 240 V RMS sine wave applied to the bridge input and a resistive and/or inductive load the bridge average DC output voltage is 240*0.636/0.707 = 215.898 V. Then one must subtract diode drops. Or approximately 214 to 215 V DC output.
If you add sufficient capacitance at the bridge output (make it a capacitor input filter), then you can make the average DC output voltage approach the peak voltage of the sine wave, or about 339V.
.