![]() ![]() The term is used in this context to distinguish the shunt components connected between the signal and return lines from the components connected in series along the signal line. The term shunt is used in filter and similar circuits with a ladder topology to refer to the components connected between the line and common. While this is a low cost solution, its high triggering voltage offers almost no protection for modern solid-state electronic devices powered by the protected circuit.Ĭapacitors are used as shunts to redirect high-frequency noise to ground before it can propagate to the load or other circuit components. However, a direct lightning strike (such as on a radio tower antenna) will cause the shunt to arc and conduct the massive amount of electricity to ground, protecting transmitters and other equipment.Īnother older form of lightning arrester employs a simple narrow spark gap, over which an arc will jump when a high voltage is present. Neon and other noble gases have a high breakdown voltage, so that normally current will not flow across it. In photovoltaics, the term is widely used to describe an unwanted short circuit between the front and back surface contacts of a solar cell, usually caused by wafer damage.Ī gas-filled tube can also be used as a shunt, particularly in a lightning arrester. ![]() If too many lights burn out however, a shunt will also burn out, requiring the use of a multimeter to find the point of failure. A shunt resistor, which has been connected in parallel across the filament before it burnt out, will then short out to bypass the burnt filament and allow the rest of the string to light. When the filament burns out in one of the incandescent light bulbs, the full line voltage appears across the burnt out bulb. One example is in miniature Christmas lights which are wired in series. The origin of the term is in the verb 'to shunt' meaning to turn away or follow a different path. In electronics, a shunt is a device that creates a low- resistance path for electric current, to allow it to pass around another point in the circuit. ( Learn how and when to remove this template message) Please consider expanding the lead to provide an accessible overview of all important aspects of the article. This article's lead section may be too short to adequately summarize the key points. ![]()
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |