The answer is yes, it is possible for a car battery to have voltage but no amps, indicating a lack of current flow. Use a battery load tester to apply a load to the battery and measure the voltage drop.
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In this article, we will discuss how to draw a PV installation diagram and the protections that should be included, along with the symbols used to represent them.
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With higher current flowing through the system, you have more I²R losses, which translates to heat and inefficiency. Conversely, raising the voltage can cut down these losses considerably. Consider the likes of Tesla or SolarCity; their commercial installations often shoot for.
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These inverters use the pulse-width modification method: switching currents at high frequency, and for variable periods of time. For example, very narrow (short) pulses simulate a low voltage situation, and wide (long pulses) simulate high voltage.
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