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opinion:frater_secessus:alternatorsolarstall [2020/10/11 19:48]
127.0.0.1 external edit
opinion:frater_secessus:alternatorsolarstall [2022/04/09 15:36] (current)
frater_secessus [workarounds] ≤, not >
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   * [[electrical:solar:charge_controller|solar charge controller]] [[electrical:solar:charge_controller_setpoints|Vabs]] set to 14.6v   * [[electrical:solar:charge_controller|solar charge controller]] [[electrical:solar:charge_controller_setpoints|Vabs]] set to 14.6v
   * alternator voltage regulated to 13.8v   * alternator voltage regulated to 13.8v
 +  * [[electrical:12v:alternator|isolator]]
   * chassis load on alternator = 125w (lights, radio, vent blower)   * chassis load on alternator = 125w (lights, radio, vent blower)
   * going for a drive as the sun comes up   * going for a drive as the sun comes up
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 If the solar had more than the chassis demand (125w) it would start bringing up system voltage.  If it had 250w of output 125w would go to the chassis and 125w toward bringing the voltage up toward Vabs.  If the solar had more than the chassis demand (125w) it would start bringing up system voltage.  If it had 250w of output 125w would go to the chassis and 125w toward bringing the voltage up toward Vabs. 
 +
 +===== workarounds =====
 +
 +  * use a [[electrical:12v:b2b|DC-DC charger]] instead of an isolator
 +  * or disconnect isolator using a switch
 +  * or use an HVD on the isolator ≤ alternator voltage
  
  
opinion/frater_secessus/alternatorsolarstall.1602460085.txt.gz · Last modified: 2020/10/11 19:48 by 127.0.0.1