Rotary phase converters, troubleshooting modifying etc

More
06 Jun 2022 00:57 - 06 Jun 2022 00:58 #244643 by smc.collins
anybody know of any good resources for building modifying repairing rotary phase converter ? I have a spindle drive erroring out due to low input voltage on the generate leg. voltages look ok idling, but that doesn't mean shit I can spin the drive up slowly, so I know that it it a inrush current demand situation, I am open to ideas on a resolution, I need this unit to last a bit longer while I wait for permits for 3 phase to be brought onto my property. 
Last edit: 06 Jun 2022 00:58 by smc.collins.

Please Log in or Create an account to join the conversation.

More
06 Jun 2022 01:08 #244644 by spumco
RPC plans


Surplus Center has caps for tuning.
HGR Surplus has big motors for sale, assuming you're close enough that shipping isn't insane.

Hope that helps...

Please Log in or Create an account to join the conversation.

More
06 Jun 2022 14:07 #244669 by tommylight
Is it a single motor with caps or the two motor version?
How many HP or KW?
Are you in US?

Please Log in or Create an account to join the conversation.

More
06 Jun 2022 16:20 #244679 by smc.collins
I'm in the USA it's a balanced phase design with caps on l1 l2 l3 for balance on generated leg and start caps. It's a 15hp motor it's a bit undersized imho

Please Log in or Create an account to join the conversation.

More
06 Jun 2022 16:23 #244680 by spumco
My rule of thumb, based on limited experience, is that a 2:1 factor is needed.  As in - 10hp consumer equipment = 20hp RPC motor.

Please Log in or Create an account to join the conversation.

More
08 Jun 2022 10:57 #244759 by smc.collins
Decided to buy a diesel 75kw generator, problem solved and cost per kwhr is on par eith electric rates

Please Log in or Create an account to join the conversation.

Time to create page: 0.147 seconds
Powered by Kunena Forum