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A charge pump is a kind of DC-to-DC converter that uses capacitors for energetic charge storage to raise or lower voltage. Charge-pump circuits are capable of high efficiencies , sometimes as high as 90–95%, while being electrically simple circuits.
Genteq is the rebranding of Regal's GE ECM, GE Capacitors and GE Commercial Motors divisions, which occurred in 2009. [ 1 ] Genteq develops and manufactures electronically commutated motors (ECM) and capacitors for residential and light commercial heating and air conditioning ( HVAC ) systems.
A typical motor start capacitor. A motor capacitor [1] [2] is an electrical capacitor that alters the current to one or more windings of a single-phase alternating-current induction motor to create a rotating magnetic field. [citation needed] There are two common types of motor capacitors, start capacitor and run capacitor (including a dual run ...
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The MMC topology is similar to the three-level in that switching on various IGBTs will connect different capacitors to the circuit. As each IGBT "switch" has its own capacitor, voltage can be built up in discrete steps. Adding additional levels increases the number of steps, better approximating a sine wave.
Unlike many large, industrial, high voltage capacitors, water capacitors do not require oil. Oil found in many older designs of capacitors can be toxic to both animals and humans. If a capacitor breaks open and its oil is released, the oil often finds its way into the water table, which can cause health problems over time. [13]
The current that flows through these capacitors is due to the capacitors' impedance at power line frequencies. [6] [7] Some amount of leakage current is generally considered acceptable, however excessive leakage current, exceeding 30 mA, can create a hazard for users of the equipment. In some applications, e.g. medical devices with patient ...
Another type – the electrochemical capacitor – makes use of two other storage principles to store electric energy. In contrast to ceramic, film, and electrolytic capacitors, supercapacitors (also known as electrical double-layer capacitors (EDLC) or ultracapacitors) do not have a conventional dielectric.