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A short circuit is an abnormal connection between two nodes of an electric circuit intended to be at different voltages. This results in an electric current limited only by the Thévenin equivalent resistance of the rest of the network which can cause circuit damage, overheating, fire or explosion.
short-circuit test A test of machines or apparatus where the load terminals are directly connected; usually done at reduced power to prevent damage, but destructive short circuit testing may be carried out on circuit protective devices. short circuit A path in a circuit that has negligible resistance; often un-intended, a fault. shunt
A different form of short-circuit testing is done to assess the mechanical strength of the transformer windings, and their ability to withstand the high forces produced if an energized transformer experiences a short-circuit fault. Currents during such events can be several times the normal rated current.
An asymmetric or unbalanced fault does not affect each of the phases equally. Common types of asymmetric fault, and their causes: line-to-line fault - a short circuit between lines, caused by ionization of air, or when lines come into physical contact, for example due to a broken insulator. In transmission line faults, roughly 5% - 10% are ...
"A short circuit is a conductive path between two otherwise separate conductors, which links isolated networks or causes current to bypass its normal path. Often the short circuit is the result of an undesired event, and causes excessive current to lead to further unintended destructive consequences.
The Tesla founder’s son, whose name is pronounced “ex-ash-ay-12” and who goes by “X” for short, has become a regular on the Trump/Musk circuit of late: carried on his dad’s shoulders ...
The short-circuit current should be around 20 times the rating of the circuit to ensure the branch circuit protection clears a fault quickly. Quick disconnecting is needed, because during a line-to-ground short circuit the grounding pin potential on the power outlet can rise relative to the local earth (concrete floor, water pipe etc.) to a ...
Generally speaking, there are two kinds of savings goals: short- and long-term goals. Short-term goals are those that you expect to achieve within a few years, while long-term goals are usually at ...