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In power supply design, a bridge circuit or bridge rectifier is an arrangement of diodes or similar devices used to rectify an electric current, i.e. to convert it from an unknown or alternating polarity to a direct current of known polarity. In some motor controllers, an H-bridge is used to control the direction the motor turns.
A hand-made diode bridge. The silver band on the diodes indicates the cathode side of the diode.. A diode bridge is a bridge rectifier circuit of four diodes that is used in the process of converting alternating current (AC) from the input terminals to direct current (DC, i.e. fixed polarity) on the output terminals.
Disassembled automobile alternator, showing the six diodes that comprise a full-wave three-phase bridge rectifier. For an uncontrolled three-phase bridge rectifier, six diodes are used, and the circuit again has a pulse number of six. For this reason, it is also commonly referred to as a six-pulse bridge. The B6 circuit can be seen simplified ...
(See also: Rectifier § Rectifier voltage drop) However, a semiconductor diode's exponential current–voltage characteristic is really more gradual than this simple on–off action. [ 7 ] Although an exponential function may appear to have a definite " knee " around this threshold when viewed on a linear scale, the knee is an illusion that ...
Bridge topology is an important topology with many uses in both linear and non-linear applications, including, amongst many others, the bridge rectifier, the Wheatstone bridge and the lattice phase equaliser. Bridge topology is rendered in circuit diagrams in several ways.
A Wheatstone bridge is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridge circuit, one leg of which includes the unknown component. The primary benefit of the circuit is its ability to provide extremely accurate measurements (in contrast with something like a simple voltage divider ). [ 1 ]
Texas bused nearly 120,000 migrants from the border to New York, Washington, D.C., Philadelphia, Los Angeles and Chicago starting in 2022 in an effort to draw attention to the massive problems at ...
Anderson's bridge. In electronics, Anderson's bridge is a bridge circuit used to measure the self-inductance of the coil. It enables measurement of inductance by utilizing other circuit components like resistors and capacitors. [1] Anderson's bridge was invented by Alexander Anderson in 1891. [2]
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