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What is a Triac? Triacs are electronic elements that are wide utilized in AC power control applications. They are ready to switch high voltages and high levels of current, and over each elements of an AC wave form. This makes triac circuits ideal to be used in a variety of applications wherever power switching is required. One specific use of triac circuits is in light dimmers for domestic lighting, and that they are utilized in several different power control situations together with motor control and electronic switches. As a result of their performance, triacs tend to be used for low to medium power electronic switching applications, leaving thyristors to be used for the very heat duty AC power switching applications. How does a triac work? Before looking at how a triac works, it helps to have an understanding of how a thyristor works. In this way the basic concepts can be grasped for the simpler semiconductor device and then applied to a triac which is more complicate...

Electric Double Layer Capacitors Electric double layer capacitors are two-terminal energy storage devices that collect voltage as current flows through an electrical circuit. They generate electrical field between two conductor plates and are referred to as super capacitors. Electric double-layer capacitors are supported the operational principle of the electrical double-layer that is shaped at the interface between activated charcoal and a solution. The activated charcoal is used as an electrode, and the principle behind the capacitor. Activated charcoal is employed in its solid form, and the electrolytic fluid is liquid. When these materials are available contact with one another, the positive and negative poles are distributed relative to each other over an extremely short distance. Such a phenomenon is known as an electric double-layer. When an external electric field is applied, the electric double-layer that is formed in the vicinity of the activated charcoal's surf...