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Building Blocks of Solar Part 5 – Solar Charge Controllers

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Manage episode 215088726 series 2421205
Inhoud geleverd door The Hack My Solar Podcast. Alle podcastinhoud, inclusief afleveringen, afbeeldingen en podcastbeschrijvingen, wordt rechtstreeks geüpload en geleverd door The Hack My Solar Podcast of hun podcastplatformpartner. Als u denkt dat iemand uw auteursrechtelijk beschermde werk zonder uw toestemming gebruikt, kunt u het hier beschreven proces https://nl.player.fm/legal volgen.
Charge Controllers, what are they? OK so we have covered what solar panels are, and how to design a solar array, but what happens once your panels are generating power? Well you obviously want to get them into your battery bank, but other than some very specific situations, you will charge your batteries through a charge controller. So what is a charge controller...in essence, it is the device that regulates the amount of energy, both in terms of voltage and amperage, that goes from your solar array to your battery bank. Charge controllers come in two primary modes, Pulse width modulation(PWM) and Maximum Power Point Tracking(MPPT). Pulse Width Modulation Solar Charge Controllers reduce the amount of voltage applied to the batteries in an inverse relationship to the charge level of the batteries. So as the state of charge goes up, the voltage is reduced so as not to damage the batteries. MPPT Solar Charge Controllers match the incoming power from the PV array to the most efficient use of that power in terms of charging the battery. This allows the array and the battery bank to be vastly different voltages. The ability to step up the voltage and therefore reduce amps(because watts always equals amps x volts), especially if the array is sited a long distance from the charge controller, can allow a person to pay for the charge controller in wire savings. This is because higher voltage/low amp power can run through thinner wires from the PV array to the Charge Controller. To give you an example, using 6 gauge wire vs. using 2/0 gauge wire can save you nearly 70% in wiring costs. We will dig into MPPT chargers in more depth at a later date. Feel free to ask questions in the comment section below.
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Artwork
iconDelen
 

Gearchiveerde serie ("Inactieve feed" status)

When? This feed was archived on May 04, 2022 03:57 (2y ago). Last successful fetch was on July 30, 2019 03:48 (4+ y ago)

Why? Inactieve feed status. Onze servers konden geen geldige podcast feed ononderbroken ophalen.

What now? You might be able to find a more up-to-date version using the search function. This series will no longer be checked for updates. If you believe this to be in error, please check if the publisher's feed link below is valid and contact support to request the feed be restored or if you have any other concerns about this.

Manage episode 215088726 series 2421205
Inhoud geleverd door The Hack My Solar Podcast. Alle podcastinhoud, inclusief afleveringen, afbeeldingen en podcastbeschrijvingen, wordt rechtstreeks geüpload en geleverd door The Hack My Solar Podcast of hun podcastplatformpartner. Als u denkt dat iemand uw auteursrechtelijk beschermde werk zonder uw toestemming gebruikt, kunt u het hier beschreven proces https://nl.player.fm/legal volgen.
Charge Controllers, what are they? OK so we have covered what solar panels are, and how to design a solar array, but what happens once your panels are generating power? Well you obviously want to get them into your battery bank, but other than some very specific situations, you will charge your batteries through a charge controller. So what is a charge controller...in essence, it is the device that regulates the amount of energy, both in terms of voltage and amperage, that goes from your solar array to your battery bank. Charge controllers come in two primary modes, Pulse width modulation(PWM) and Maximum Power Point Tracking(MPPT). Pulse Width Modulation Solar Charge Controllers reduce the amount of voltage applied to the batteries in an inverse relationship to the charge level of the batteries. So as the state of charge goes up, the voltage is reduced so as not to damage the batteries. MPPT Solar Charge Controllers match the incoming power from the PV array to the most efficient use of that power in terms of charging the battery. This allows the array and the battery bank to be vastly different voltages. The ability to step up the voltage and therefore reduce amps(because watts always equals amps x volts), especially if the array is sited a long distance from the charge controller, can allow a person to pay for the charge controller in wire savings. This is because higher voltage/low amp power can run through thinner wires from the PV array to the Charge Controller. To give you an example, using 6 gauge wire vs. using 2/0 gauge wire can save you nearly 70% in wiring costs. We will dig into MPPT chargers in more depth at a later date. Feel free to ask questions in the comment section below.
  continue reading

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