| Products > Test Equipment |
| HSPY Power Supply |
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| piguy101:
Don't mean to derail this thread, but are any of the 400 V power supplies available with US 120 V input power? I can't seem to find any. |
| Lemonizer:
I looked around for you and I didn't find any either :/. I wonder how stable those 400v supplies are. The load regulation spec states 0.02%, which is decent, if that's true. |
| piguy101:
--- Quote from: Lemonizer on April 23, 2020, 08:09:22 pm ---I looked around for you and I didn't find any either :/. --- End quote --- Aw rats. Thanks for looking as well. Now the search continues. Asking myself if I want to get a step up transformer to use the HSPY, or just find another bench supply in that higher voltage range. |
| 0x10c:
Hello everyone! I boght a 1000V 1A version of this power supply. This is really usefull, good and cheap device. But after a day of experimenting i broke it, short circuit on the hot part (see photo). As a result of a short circuit, the output diodes of MUR460 burned out, and two HV mosphets 2SK3748 too, on the "hot" part burned two mosphets 47N60C3 and one gate drive mosphet [or bipolar] transistor I unsoldered it (the inscription can't be read, see photo of backplate). So output diodes MUR460 are too weak, two diodes are connected in series (one diode is designed for 600v, a two consecutive: for 1200v), for impulse load this is not enough and i think this caused the failure. So i think full repair cost is about 100$ :-// |
| dirtcooker:
--- Quote from: piguy101 on April 22, 2020, 11:02:57 pm ---Don't mean to derail this thread, but are any of the 400 V power supplies available with US 120 V input power? I can't seem to find any. --- End quote --- I just ordered 110vac versions of the 1000v and 400v 1A supplies from here: https://www.aliexpress.com/item/1005001288362565.html I added a note to ship 110vac versions, and double-checked with the shop to confirm. This is the response, which apparently is automatically translated "Because usually this power supply is 220V, 110V we make extra, a few people will buy 110. We make it by ourselves in the factory store. Please rest assured that our quality will be sold at the lowest price." I guess that means that they buy a few 110vac versions of these. Or maybe it means they modify them? I guess I'll find out. The price is a bit higher than the 220v version. I received both power supplies. I don't see any aftermarket mods, they appear to be factory built and designed specifically for 120 vac input. Grounding is OK, but I removed some paint under screws and ground straps to be sure they are safely grounded. Digital voltage setting is spot on. The 1 kv supply has Nichicon and Rubycon electrolytics in it. Attached is windows software supplied by the vendor. It runs under wine, allows selection of the com port and power supply model (it covers a couple dozens different HSPY models). The software works, but is rather clunky. If anyone has a way to control it from a linux script or c program I would be grateful to receive it. |
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