Lorentz Ps600 using external power

Justinholbrook1
Justinholbrook1 Registered Users Posts: 5 ✭✭
in Advanced Solar Electric Technical Forum #1
Afternoon, 

I'm a newbie in the solar game here and need some advice. 

Purchased a ranch with Lorentz Ps600 pump and controller with x2 solar panels LC175-24M.

Built a pond and need to run the pump off my generator as solar only provides a few good hours of pumping on a good day. 

Any recommendations on how to connect. Generator to the pump controller?

Thanks in advance for any input. 
Justin 
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  • mcgivor
    mcgivor Solar Expert Posts: 3,854 ✭✭✭✭✭✭
    #2
    Assuming the pump works with the two panels feeding into a controller, an AC to DC power supply which matches the voltage and current required could be used in lieu of the panels. Without knowing the specifications it's hard for anyone to make suggestions, can you provide some more information?  
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery with Battery Bodyguard BMS 
    Second system 1890W  3 × 300W No name brand poly, 3×330 Sunsolar Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah LFP 24V nominal battery with Daly BMS, used for water pumping and day time air conditioning.  
    5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergency charging and welding.
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  • Justinholbrook1
    Justinholbrook1 Registered Users Posts: 5 ✭✭
    #3

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  • Justinholbrook1
    Justinholbrook1 Registered Users Posts: 5 ✭✭
    #4
    Here is the technical specs on the controller if it provides any assistance. 
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  • mcgivor
    mcgivor Solar Expert Posts: 3,854 ✭✭✭✭✭✭
    #5
    What voltage is the generator? 
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery with Battery Bodyguard BMS 
    Second system 1890W  3 × 300W No name brand poly, 3×330 Sunsolar Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah LFP 24V nominal battery with Daly BMS, used for water pumping and day time air conditioning.  
    5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergency charging and welding.
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  • Justinholbrook1
    Justinholbrook1 Registered Users Posts: 5 ✭✭
    #6
    It's a Yamaha 6.5 hp generator with a standard outlet pushing 110 ac. I would think this would be powerful enough if solar can run it. 

    Sorry, as you can tell I'm no electrical engineer!

    Appreciate you taking a look
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  • mcgivor
    mcgivor Solar Expert Posts: 3,854 ✭✭✭✭✭✭
    #7
    What you could do is use a bridge rectifier to provide 110VDC and use that as an input to the controller, the maximum input voltage allowable is 150V DC so it would be within this limitation.

    Even with AC frequency drives the AC is rectified to DC then back to AC 3 phase, I'm unsure if the quality of the DC would be smooth enough but this would be something Lorentz could answer.  
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery with Battery Bodyguard BMS 
    Second system 1890W  3 × 300W No name brand poly, 3×330 Sunsolar Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah LFP 24V nominal battery with Daly BMS, used for water pumping and day time air conditioning.  
    5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergency charging and welding.
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  • Justinholbrook1
    Justinholbrook1 Registered Users Posts: 5 ✭✭
    #8
    Much appreciated. Any specific bridge rectifier you recommend? 
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  • mcgivor
    mcgivor Solar Expert Posts: 3,854 ✭✭✭✭✭✭
    #9
    Something like this https://www.amazon.com/Pieces-Chanzon-KBPC5010-Rectifier-Electronic/dp/B079KDL8Y5?ref_=fsclp_pl_dp_5 mounted on a heatsink would work, again ask Lorentz if a simple bridge rectifier is sufficient or if smoothing capacitors would be required.
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery with Battery Bodyguard BMS 
    Second system 1890W  3 × 300W No name brand poly, 3×330 Sunsolar Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah LFP 24V nominal battery with Daly BMS, used for water pumping and day time air conditioning.  
    5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergency charging and welding.
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  • mike95490
    mike95490 Solar Expert Posts: 9,583 ✭✭✭✭✭
    #10
    Bridge rectifiers have a voltage and amperage spec.   You want the bridge to be at least 2x both volts and amps.

    Standard 120vac has nearly 180V excursions, or about 360V P-P  So a 400V bridge might barely work for a short while, many generators do not produce a nice clean wavefrom, and spikes can be expected.   I'd choose at least 600V PP spec





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  • Dave Angelini
    Dave Angelini Solar Expert Posts: 6,908 ✭✭✭✭✭✭
    #11
    Just to prevent another internet disaster, as mentioned before, ask Lorentz about this and maybe advice on how to do what you want safely.
    "we go where power lines don't" Sierra Nevada mountain area
       htps://offgridsolar1.com/
    E-mail offgridsolar@sti.net

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