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  2. Infinite switch - Wikipedia

    en.wikipedia.org/wiki/Infinite_switch

    Energy regulator of an electric stove with a glass-ceramic hob. 1: Electric contacts (here closed); 2: Bimetal; 3: Heater for Bimetal. An infinite switch, simmerstat, energy regulator or infinite controller is a type of switch that allows variable power output of a heating element of an electric stove. It is called "infinite" because its ...

  3. Buck converter - Wikipedia

    en.wikipedia.org/wiki/Buck_converter

    A mechanical analogy for a buck converter would be to pedal a bicycle in single, strong bursts (Force ~ Voltage), and let the bicycle roll in between (inertia ~ inductor). The basic operation of the buck converter has the current in an inductor controlled by two switches (fig. 2). In a physical implementation, these switches are realized by a ...

  4. Buchholz relay - Wikipedia

    en.wikipedia.org/wiki/Buchholz_relay

    Buchholz relays have also been used in electric trains that operate on AC Electrified lines, including locomotives and multiple units. These trains take a high voltage supply from overhead wires, at up to 25,000 volts AC, which is then fed to an oil cooled transformer that 'steps down' the supply to voltage suitable for use in the trains ...

  5. Ćuk converter - Wikipedia

    en.wikipedia.org/wiki/Ćuk_converter

    A Ćuk converter can be seen as a combination of boost converter and buck converter, having one switching device and a mutual capacitor, to couple the energy. Similar to the buck-boost converter with inverting topology, the output voltage of non-isolated Ćuk converter is typically inverted, with lower or higher values with respect to the input ...

  6. Heat pump and refrigeration cycle - Wikipedia

    en.wikipedia.org/wiki/Heat_pump_and...

    Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. [1] A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [2]

  7. Buck–boost transformer - Wikipedia

    en.wikipedia.org/wiki/Buck–boost_transformer

    Buck–boost connections are used in several places such as uninterruptible power supply (UPS) units for computers and in the tanning bed industry. Buck–boost transformers can be used to power low voltage circuits including control, lighting circuits, or applications that require 12, 16, 24, 32 or 48 volts, consistent with the design's ...

  8. Buck–boost converter - Wikipedia

    en.wikipedia.org/wiki/Buck–boost_converter

    The buck–boost converter is a type of DC-to-DC converter that has an output voltage magnitude that is either greater than or less than the input voltage magnitude. It is equivalent to a flyback converter using a single inductor instead of a transformer. [1] Two different topologies are called buck–boost converter. Both of them can produce a ...

  9. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Direct electric resistance tank water heaters are not included in the Energy Star program; however, the Energy Star program does include electric heat pump units with energy factors of 200% or higher. Tankless gas water heaters (as of 2015) must have an energy factor of 90% or higher for Energy Star qualification.

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