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Challenge
Solar Panels (photovoltaic arrays) are used primarily in two ways:
1. To charge batteries that are used to power remote loads where installing a connection to the utility grid would be cost prohibitive, and
2. To energize installations where the DC power is converted to 60 Hz AC power through a solid-state inverter. Monitoring and/or measuring of solar panel output voltage contributes to an efficient solar system output.
Solution
NK Technologies voltage transducers play a critical role in ensuring the efficient operation, safety, and performance optimization of solar panel systems by providing accurate and real-time voltage measurements.
Solar panels generate DC electricity which can vary based on a variety of factors such as sunlight intensity, temperature, and shading. A voltage transducer can be connected to the output terminals of the solar panels to continuously monitor the voltage level. By monitoring the voltage output, system optimization can be achieved. For example, if the voltage drops below a certain threshold, it can indicate a problem is affecting the system like a malfunctioning panel or shading. Detection of these issues allows corrective action to be taken to ensure the energy yield of the system is maximized.
Additionally, monitoring voltage levels can improve the overall safety of the system. If the voltage exceeds the safe threshold limit, it could increase the risk of electrical hazards or even damage the system or equipment connected to it. An NK Technologies voltage transducer can provide real-time monitoring to help prevent unsafe and costly events.
Solar panels may be used to power an inverter and convert the DC input into AC output. Alternatively, the DC input may be used to charge a battery array for later use. In both cases, monitoring the input and output voltages over time will ensure maximum system uptime and efficiency and provide the needed feedback for ongoing system maintenance.