| General > General Technical Chat |
| Class 2 SMPS - Removing the Y capacitor - Good design solution wanted ! |
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| smile:
Thanks for all replies. So this IRM-45-24ST will not leak 80-50V AC on the negative output pin if ungrounded right? This will be fine then for automation controler. "in a sense you are dealing with crappy infrastructure in your home/buisness no?" yes. no proper grounding. What about main power for servo/stepper motors. I have Meanwell RSP-320-48 6.7A that can't use also. What to replace it with? Regarding "medical" gade nonsense with micro amps leakage see this video for RPS 200 I made years ago https://youtu.be/lea5JhNpddI Do you really think the neon lamp would light that bright on 150µA leakage current? For the amount of overpiced money they cost, they should leak none. |
| smile:
Leakage current for HDR-60-24 is not specified in data sheet? |
| smile:
Paper on Y cap leakage current http://www.epqu.agh.edu.pl/archives/journal/v15i2/Jha%5B2%5D.pdf Seems I can remove it since I do not care about EMI nonsense anyway. |
| coppercone2:
its a bad idea you would be surprised how many things can be effected by bad electronics. |
| smile:
Well I decided to put a transformer 24v https://www.tme.eu/lt/details/tmbz63_002m/transformatoriai-su-tvirtini-elementais/indel/tmbz-63-002m-65va/ then this converter to 24v https://www.aliexpress.com/item/1005004463519267.html For other more powerful PSU that drives motors these should be no issues as no direct contact betweek GND and ground. |
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