Rectifier, Inverter, Capacitor, Inductor basic- what need to know.

Rectifier:

A rectifier is an electrical device that converts alternating current (AC) to direct current (DC). The process is known as rectification.

Usual rectifiers:

vacuum tube diodes, mercury-arc valves, solid-state diodes, silicon-controlled rectifiers and other silicon-based semiconductor switches.

Rectifier Circuit

Single phase Half Wave Rectifier:

Half wave rectifier circuit with a diode
Half wave rectifier circuit with a diode

Single phase Full Wave Rectifier

full wave bridge rectifier
Full wave bridge rectifier

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Inverter:

A power inverter, or inverter, is an electrical power converter that changes direct current (DC) to alternating current (AC);the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits.

Capacitor:

A capacitor (originally known as condenser) is a passive two-terminal electrical component used to store energy in an electric field. That is at least two electrical conductors separated by a dielectric (insulator)

Applications of capacitors

  • Energy storage
    A capacitor can store electric energy when disconnected from its charging circuit, so it can be used like a temporary battery. Capacitors are commonly used in electronic devices to maintain power supply while batteries are being changed. (This prevents loss of information in volatile memory.)
  • Power factor correction
  • Suppression and coupling
  • Noise filters and snubbers
  • Motor starters
  • Signal processing
  • Sensing

Inductor

An inductor (also choke, coil, or reactor) is a passive two-terminal electrical component that stores energy in its magnetic field.

When the current flowing through an inductor changes, a time-varying magnetic field is created inside the coil, and a voltage is induced, according to Faraday’s law of electromagnetic induction, which by Lenz’s law opposes the change in current that created it.

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