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Solar panel demonstrations

  • Solar panel activity handout and supplies.
  • Load box and meters design for a hands-on maximum power point (MPPT) demonstration.

Panel activity

Web version at agnd.net/valpo/solar/panel-lamp

Load box

Description

Support a panel intended for 12 V battery charging up to maximum power of 15 W.

Panel label specs:

Requirements

  • Maximum panel voltage of 40 V
  • Capable of single solar cell input. Min voltage of 0.1 V.
  • Maximum current: 3 A.
  • Maximum continuous power dissipation: 15 W
Name Min Max Unit
Panel voltage 0.1 25.0 V
Load current 1.0 3000 mA
  • Target 1% accuracy.
  • Load current range switching.
  • Max input voltage limited by INA219.