Planning a Solar Power System Pdf, Appliances on your home run on power using a voltage of 120V or 240V. The national electrical grid includes electricity at higher voltages (thousands of volts), but in the exact same 60 Hz. All of power-generating plants synchronize their own generators for the specific frequency and period, so that any plant could connect into the grid at any moment. The super-high voltage on the electrical grid is”steppeddown” into 240V to your home by local”transformers.” Alternating current is exactly what permits this voltage transformation.
The panels have to be tilted to face the sun. The lean angle is obviously a compromise, since the sun travels across the sky from east to west throughout the afternoon, and affects highest altitude throughout the year. Some people today put in their solar panels tracking mounts that use motors to trace the sun’s moves. All these”trackers” add substantial cost to an individual system.
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