In a grid-tied solar inverter, the CT current transformer performs several essential functions: Technicians typically install the current transformer on the main utility line or the load line of a building. It continuously measures how much current is flowing to or from the grid. . These devices are essential components in solar grid tie inverters, facilitating real-time monitoring and control of electrical currents. What is a Current Transformer (CT)? An electrical device called a Current Transformer measures alternating current (AC) by generating a reduced current that is. . Learn all about transformer sizing and design requirements for solar applications—inverters, harmonics, DC bias, overload, bi-directionality, and more. Let's start by reviewing the unique demands that solar applications face. Click any of the categories to find the documents in our Knowledge center. In case of photovoltaic power generation, electric power is generated by converting solar radiation into direct current (DC) electricity by using semiconductors that exhibit photo voltaic effect.