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What Is the Purpose of a Shunt?

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Transcript is auto-generated.

hi everyone jeff gote here with pacific  yacht systems  here we've got a question from a fellow  boater asking from john  this may be a silly question no such  thing actually not on boats anyways  what is the purpose of a shunt i'm  installing solar panels on my boat and i  already have a battery monitor on board  good on you battery monitors are one of  my favorite products  do i attach the negative wire from the  soar monitor going to the batteries to  the shunt or straight to the batteries  all right so this is actually really  good because we're talking about  integration of two different type of  products  a battery monitor and a battery monitor  most of the time in most cases like a  victron or  xantrex are going to be using a shunt  which is a device that basically  measures that has a known resistance and  that known resistance  what you're doing is you're measuring  the voltage differential  across this known resistance and we all  know from  our classes in elec maybe if you had  some in college or university that v  equals ir so voltage we measure  we know what resistance is and therefore  we know  calculate current okay so shunt is a  device that allows you to calculate  current  when you're installing a solar panel on  your boat and you want to know where you  should mount the negative coming from  the controller  the instructions in the manual are going  to say you should bring the negative  from your solar controller to the  batteries  but what they failed to say is they  don't know if you have a battery monitor  on board or not  and if you bring the negative from the  solar controller  directly to the batteries and you bypass  the shunt  your solar panels and hence the solar  controllers will not be included in your  battery monitor  and you'll never see a charge from an  amp perspective on your battery monitor  from your solar panels  so it's essential that no negative  wire ever bypasses the shut  because it's not going to be counted so  you have to put the negative coming from  the controller directly  to the negative distribution  and so therefore it is counted by the  shunt and hence will show up on the  battery monitor  and that's basically what you need to do  with a shunt and a battery monitor and a  solar controller thanks for watching  everyone and feel free ask more  questions down below we're doing this as  often as we can  thank you  English (auto-generated)  AllToolsRelatedFrom Pacific Yacht SystemsRecently uploaded    

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