Overvoltage protection activates when the input or output voltage exceeds a defined threshold. Under normal operation, the DC bus voltage is the rectified and filtered. . These features prevent damage from electrical faults like high current, voltage spikes, or overheating. Each circuit helps keep the inverter safe.
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The inverter is manufactured with internal overvoltage protection on the AC and DC (PV) sides. Properly installed surge protection can reduce the likelihood of permanent damage to inverter. . These include overvoltage protection, undervoltage protection, overcurrent protection, short circuit protection, overheat protection and surge protection. These voltage spikes often result from fluctuations in the grid voltage, transient events, or issues within the solar installation itself.
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