Re: [RE-wrenches] Low Frequency transformer off-grid inverter options

2023-01-13 Thread bzp via RE-wrenches
Larry. Hera's an idea. Put a 1:1 isolation transformer of suitable power rating between the inverter and load. The iron core will act as a energy storage element allowing for a cleaner ac waveform during start. Frank BZP On 1/13/2023 12:54 PM, Starlight via RE-wrenches wrote: Any n

Re: [RE-wrenches] Well siphon?

2022-01-30 Thread bzp
Having worked whit industrial plumbing for 10 years. We would us a check valve with a damper to eliminate this problem. A damper being key. frank On 1/29/2022 7:39 PM, Hilton Dier wrote: You have 300’ of head on one side of the crest and 700’ on the other. That’s 129 psi on one side and 301 ps

Re: [RE-wrenches] Large Off Grid Inverter?

2018-04-26 Thread bzp
Try a three phase soft starter. Programmable start ramp time with relay bypass. Not as expensive as a full blown VFD. Frank BZP. On 4/26/2018 9:17 AM, Dave Angelini Offgrid Solar wrote: Agree with Daryl here at the end. You have to solve the motor surge with variable frequency drive and go