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A boost converter or step-up converter is a DC-to-DC converter that increases voltage, while decreasing current, from its input to its output . It is a class of switched-mode power supply (SMPS) containing at least two semiconductors, a diode and a transistor , and at least one energy storage element: a capacitor , inductor , or the two in ...
In electrical engineering, isolated-phase bus (IPB), also known as phase-isolated bus (PIB) in some countries, is a method of construction for circuits carrying very large currents, typically between a generator and its step-up transformer in a steam or large hydroelectric power plant. Isolated phase bus during installation at the Bui Dam Ghana ...
Step-down A converter where the output voltage is lower than the input voltage (such as a buck converter). Step-up A converter that outputs a voltage higher than the input voltage (such as a boost converter). Continuous current mode Current and thus the magnetic field in the inductive energy storage never reaches zero. Discontinuous current mode
A transformer steps up the output of the system's amplifier to the distribution voltage. At the distant loudspeaker locations, a step-down transformer matches the speaker to the rated voltage of the line, so the speaker produces rated nominal output when the line is at nominal voltage.
Step-up / step-down chopper [ edit ] Taking a general buck-boost chopper which works as stepup and down chopper, let the voltage source V s {\displaystyle V_{s}} be in series with the chopper switch, reverse biased diode, and the load with voltage V o {\displaystyle V_{o}} .
For example, Hydro-Québec has a direct-current line which goes from the James Bay region to Boston. [8] From the generating station it goes to the generating station's switchyard where a step-up transformer increases the voltage to a level suitable for transmission, from 44 kV to 765 kV.
Elimination of a step-up transformer. Example 3. Example of transform 5.1. Example 3 shows the result is a Π-network rather than an L-network. The reason for this is ...
A transformer or autotransformer can be used; (auto)transformers are inherently reversible, so the same transformer can be used to step the voltage up, or step it down by the same ratio. Lighter and smaller devices can be made using electronic circuitry; reducing the voltage electronically is simpler and cheaper than increasing it.
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