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Does your PSU have a RHPZ? How to solve this problem

6.9K views · Mar 24, 2022 · Science & Technology

Biricha

30K subscribers

Comments · 11

@esoterex · 2 years ago
There are a few ways to avoid right hand plane zeros in a flyback. If your applications allows it one can use DCM (Discontinuous Mode Conduction). The other way is to use a controller that does<br>not allow a duty cycle beyond 50%. But these also have disadvantages, higher peak currents for example. Flybacks, despite their apparent simplicity are surprisingly complex circuits.<br>Maybe Dr Ali could do a video on that. Otherwise an other excellent video as all his others. Learned a great deal from him.
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@volodymyrzakolodyazhny · 3 years ago
RHPZ - Right Half-Plane Zero. Hear about this term for the first time. Thank you.
@banchanaluck · 4 years ago
Your BIG FAN from Thailand. Thank for your informative videos Dr. Ali
1
@DudleyToolwright · 4 years ago
Nicely explained. You were correct, you explanations are very easy to follow.
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@anorthernsoul153 · 2 years ago
Best explanation on rhpz. Thank you!
@luizdanielsantosbezerra3473 · 4 years ago
Big Fan! Nice explanation!
1
@thanjaipalani8294 · 1 year ago
Thanks a lot!
@AmorPsyche4711 · 4 years ago
very good explained, I have the sensation that many designers forget about the RHPz. I usually use a pole zero diagram in addition to the bode plot.
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@filips7158 · 3 years ago
Your flyback topology is wrong, the forward biased dot, being inverted, cannot deliver any power to the load. The dot is down and the diode is reversed.
@CrisKRA · 7 months ago
What do you mean the zero flattens the gain by 20 dB? Wouldn't that be a pole?