Timeline for AC "chopping" power supply inrush current problem
Current License: CC BY-SA 4.0
8 events
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Mar 26, 2019 at 7:59 | history | edited | D.A.S. | CC BY-SA 4.0 |
added 39 characters in body; added 16 characters in body
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Mar 25, 2019 at 22:21 | comment | added | user105652 | @AltAir Back off some. It was just an observation, not my design. Yes it is a poor design in that the wrong PWM controller is being used in terms of the power source. If R4 keeps burning up, maybe the OP will get a clue. | |
Mar 25, 2019 at 20:22 | vote | accept | Tirdad Sadri Nejad | ||
Mar 25, 2019 at 20:06 | history | edited | D.A.S. | CC BY-SA 4.0 |
added 155 characters in body
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Mar 25, 2019 at 20:03 | comment | added | AltAir | @ Sparky256 Increasing the resistance and power of the resistor will increase the loss of heating. The switching circuit loses its meaning. | |
Mar 25, 2019 at 19:49 | comment | added | user105652 | The key is the value and wattage of R4. It should be the flame-proof type. | |
Mar 25, 2019 at 19:47 | history | edited | user105652 | CC BY-SA 4.0 |
Added markup for math
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Mar 25, 2019 at 19:42 | history | answered | D.A.S. | CC BY-SA 4.0 |