I imraneesa Member Joined 2016 2019-11-14 5:21 pm #1 2019-11-14 5:21 pm #1 Power supply gate waveform not good. Changed 3525 IC and still waveform is not good. Attaching the picture. Driver transistors are good and main rectifiers out of board. Attachments 20191114_131702.jpg 719.6 KB · Views: 64 P Perry Babin Member Joined 2003 bcae1.com 2019-11-14 5:31 pm #2 2019-11-14 5:31 pm #2 The frequency is too high. I imraneesa Member Joined 2016 2019-11-14 5:34 pm #3 2019-11-14 5:34 pm #3 Perry Babin said: The frequency is too high. Click to expand... What will cause that and how to decrease it. P Perry Babin Member Joined 2003 bcae1.com 2019-11-14 5:49 pm #4 2019-11-14 5:49 pm #4 The timing capacitor and resistor and possibly the deadtime resistor control the frequency. J jkrokenberger Member Joined 2018 2019-11-14 5:50 pm #5 2019-11-14 5:50 pm #5 Check Rt and Ct are in tolerance. I imraneesa Member Joined 2016 2019-11-14 6:02 pm #6 2019-11-14 6:02 pm #6 Yes It was the timing capacitor. Thank you. You must log in or register to reply here. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
Power supply gate waveform not good. Changed 3525 IC and still waveform is not good. Attaching the picture. Driver transistors are good and main rectifiers out of board.
P Perry Babin Member Joined 2003 bcae1.com 2019-11-14 5:31 pm #2 2019-11-14 5:31 pm #2 The frequency is too high. I imraneesa Member Joined 2016 2019-11-14 5:34 pm #3 2019-11-14 5:34 pm #3 Perry Babin said: The frequency is too high. Click to expand... What will cause that and how to decrease it. P Perry Babin Member Joined 2003 bcae1.com 2019-11-14 5:49 pm #4 2019-11-14 5:49 pm #4 The timing capacitor and resistor and possibly the deadtime resistor control the frequency. J jkrokenberger Member Joined 2018 2019-11-14 5:50 pm #5 2019-11-14 5:50 pm #5 Check Rt and Ct are in tolerance. I imraneesa Member Joined 2016 2019-11-14 6:02 pm #6 2019-11-14 6:02 pm #6 Yes It was the timing capacitor. Thank you. You must log in or register to reply here. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
I imraneesa Member Joined 2016 2019-11-14 5:34 pm #3 2019-11-14 5:34 pm #3 Perry Babin said: The frequency is too high. Click to expand... What will cause that and how to decrease it. P Perry Babin Member Joined 2003 bcae1.com 2019-11-14 5:49 pm #4 2019-11-14 5:49 pm #4 The timing capacitor and resistor and possibly the deadtime resistor control the frequency. J jkrokenberger Member Joined 2018 2019-11-14 5:50 pm #5 2019-11-14 5:50 pm #5 Check Rt and Ct are in tolerance. I imraneesa Member Joined 2016 2019-11-14 6:02 pm #6 2019-11-14 6:02 pm #6 Yes It was the timing capacitor. Thank you. You must log in or register to reply here. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
Perry Babin said: The frequency is too high. Click to expand... What will cause that and how to decrease it.
P Perry Babin Member Joined 2003 bcae1.com 2019-11-14 5:49 pm #4 2019-11-14 5:49 pm #4 The timing capacitor and resistor and possibly the deadtime resistor control the frequency. J jkrokenberger Member Joined 2018 2019-11-14 5:50 pm #5 2019-11-14 5:50 pm #5 Check Rt and Ct are in tolerance. I imraneesa Member Joined 2016 2019-11-14 6:02 pm #6 2019-11-14 6:02 pm #6 Yes It was the timing capacitor. Thank you. You must log in or register to reply here. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
J jkrokenberger Member Joined 2018 2019-11-14 5:50 pm #5 2019-11-14 5:50 pm #5 Check Rt and Ct are in tolerance. I imraneesa Member Joined 2016 2019-11-14 6:02 pm #6 2019-11-14 6:02 pm #6 Yes It was the timing capacitor. Thank you. You must log in or register to reply here.
I imraneesa Member Joined 2016 2019-11-14 6:02 pm #6 2019-11-14 6:02 pm #6 Yes It was the timing capacitor. Thank you.
