Hi Mac, A PWM charge controller, such as the C35, will work in this application, because it will act like a switch that connects the panel to the battery. While the bulk voltage will likely be slightly higher than Vmp, once the controller transitions to float, which is approx 27V for most battery types, it should allow the module to operate very close to Vmp. Typically, MPPT controllers require a higher Vmp than the target charge voltage.
Eric Bentsen _____________________________________________________________________________________ Eric Bentsen | Schneider Electric | Solar Business | UNITED STATES | Technical Support Representative Phone: +(650) 351-8237 ext. 001# | Email: [email protected] | Site: www.schneider-electric.com/solar | Address: 250 South Vasco Rd., Livermore, CA 94551 *** Please consider the environment before printing this e-mail From: Mac Lewis <[email protected]> To: RE-wrenches <[email protected]> Date: 06/04/2013 08:05 AM Subject: [RE-wrenches] 24V charging with 60 cell modules Sent by: [email protected] Hello wrenches, Is there a good method to charge 24V battery bank with single 60 cell modules? Ideally, I'd like to charge a 24 V bank with a Kyocera 245GX-LFB. However, at NOTC the Vmp is 26.8V. Any good way to do this? Thanks in advance. -- Mac Lewis "Yo solo sé que no sé nada." -Sócrates ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. ______________________________________________________________________ _______________________________________________ List sponsored by Home Power magazine List Address: [email protected] Change email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
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