capacitive reactance - определение. Что такое capacitive reactance
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Что (кто) такое capacitive reactance - определение

A CIRCUIT ELEMENT'S OPPOSITION TO CHANGES IN CURRENT DUE TO ITS INDUCTANCE OR CAPACITANCE
Capacitive reactance; Electric reactance; Reactance (physics); Reactance (electronics); Inductive reactance
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Capacitive power supply         
  • High voltage warning sign
TYPE OF POWER SUPPLY USING A CAPACITOR
Capacitive dropper
A capacitive power supply, also called a capacitive dropper, is a type of power supply that uses the capacitive reactance of a capacitor to reduce higher AC mains voltage to a lower DC voltage.
Reactance (psychology)         
UNPLEASANT MOTIVATIONAL AROUSAL TO OFFERS, PERSONS, RULES, OR REGULATIONS THAT THREATEN OR ELIMINATE SPECIFIC BEHAVIORAL FREEDOMS
Psychological reactance; Reactance theory
Reactance is an unpleasant motivational reaction to offers, persons, rules, or regulations that threaten or eliminate specific behavioral freedoms. Reactance occurs when an individual feels that an agent is attempting to limit one's choice of response and/or range of alternatives.
reactance         
WIKIMEDIA DISAMBIGUATION PAGE
Reactance (disambiguation)
¦ noun Physics the non-resistive component of impedance in an AC circuit, arising from inductance and/or capacitance.
Reactance         
WIKIMEDIA DISAMBIGUATION PAGE
Reactance (disambiguation)
·add. ·noun The influence of a coil of wire upon an alternating current passing through it, tending to choke or diminish the current, or the similar influence of a condenser; inductive resistance. Reactance is measured in ohms. The reactance of a circuit is equal to the component of the impressed electro-motive force at right angles to the current divided by the current, that is, the component of the impedance due to the self-inductance or capacity of the circuit.
Capacitive sensing         
  • Capacitive stylus
  • Schema of projected-capacitive touchscreen
TECHNOLOGY
Capacitive touchpad; CapSense; Capacitive proximity sensor; Capacitive sensor; Capacitive sensors; Capacitive touch sensor
In electrical engineering, capacitive sensing (sometimes capacitance sensing) is a technology, based on capacitive coupling, that can detect and measure anything that is conductive or has a dielectric different from air. Many types of sensors use capacitive sensing, including sensors to detect and measure proximity, pressure, position and displacement, force, humidity, fluid level, and acceleration.
Foster's reactance theorem         
  • '''Foster's first form of canonical driving point impedance realisation.''' If the polynomial function has a pole at ''ω''=0 one of the ''LC'' sections will reduce to a single capacitor.  If the polynomial function has a pole at ''ω''=∞ one of the ''LC'' sections will reduce to a single inductor.  If both poles are present then two sections reduce to a series ''LC'' circuit.
  • '''Foster's second form of canonical driving point impedance realisation.''' If the polynomial function has a zero at ''ω''=0 one of the ''LC'' sections will reduce to a single inductor.  If the polynomial function has a zero at ''ω''=∞ one of the ''LC'' sections will reduce to a single capacitor.  If both zeroes are present then two sections reduce to a parallel ''LC'' circuit.
  • Plot of the reactance of a capacitor against frequency
  • Plot of the reactance of an inductor against frequency
  • Plot of the reactance of a series ''LC'' circuit against frequency
  • Plot of the reactance of a parallel ''LC'' circuit against frequency
  • Plot of the reactance of Foster's first form of canonical driving point impedance showing the pattern of alternating poles and zeroes. Three anti-resonators are required to realise this impedance function.
ELECTRICAL NETWORK THEOREM
Fosters reactance theorem; Foster Reactance Theorem; Foster reactance theorem; Foster's network; Foster network
Foster's reactance theorem is an important theorem in the fields of electrical network analysis and synthesis. The theorem states that the reactance of a passive, lossless two-terminal (one-port) network always strictly monotonically increases with frequency.
Liquid capacitive inclinometers         
Liquid Capacitive Basics
Liquid capacitive inclinometers are inclinometers (or clinometers) whose sensing elements are made with a liquid-filled differential capacitor; they sense the local direction of acceleration due to gravity (or movement). John G.
Current limiting reactor         
  • Current limiting reactor
Line reactor; Line Reactor; Current limiting reactors; Current Limiting Reactor; Reactor (electrical)
In electrical engineering, current limiting reactors can reduce short-circuit currents, which result from plant expansions and power source additions, to levels that can be adequately handled by existing distribution equipment.
Capacitive coupling         
  • Polyester [[film capacitor]]s, commonly used for coupling between two circuits.
TRANSFER OF ENERGY BETWEEN CIRCUITS VIA ELECTRIC FIELDS
AC Coupling; Coupling capacitor; AC coupling; Capacitative coupling; AC coupled; AC-coupled; AC-coupling; Electrostatic coupling; DC-blocking capacitor; AC-coupling capacitor; AC coupling capacitor; DC blocking capacitor; Coupling cap; Blocking capacitor; DC block capacitor; Grid coupling capacitor; Grid-coupling capacitor; Audio coupling capacitor; Audio-coupling capacitor
Capacitive coupling is the transfer of energy within an electrical network or between distant networks by means of displacement current between circuit(s) nodes, induced by the electric field. This coupling can have an intentional or accidental effect.
Capacitive deionization         
  • doi-access=free}}</ref>
  • Adsorption of ions from the brackish water to desalinate it
  • Desorption of ions from the brackish water to regenerate the electrodes
  • Flow-electrode CDI cell during the adsorption cycle
  • Flow-through CDI cell during the adsorption cycle
  • Electrical Double Layer (model according to the Gouy-Chapman-Stern theory)
  • An illustration of flow-electrode capacitive deionization device<ref name="Qi 040801"/>
  • Membrane capacitive deionization during the adsorption cycle
TECHNOLOGY TO DEIONIZE WATER
Capacitive deionization (CDI) is a technology to deionize water by applying an electrical potential difference over two electrodes, which are often made of porous carbon. In other words, CDI is an electro-sorption method using a combination of a sorption media and an electrical field to separate ions and charged particles.

Википедия

Electrical reactance

In electrical circuits, reactance is the opposition presented to alternating current by inductance and,or capacitance. Greater reactance gives smaller current for the same applied voltage. Reactance is similar to resistance in this respect, but does not lead to dissipation of electrical energy as heat; instead, energy is momentarily stored in the reactance, and a quarter-cycle later returned to the circuit.

Reactance is used to compute amplitude and phase changes of sinusoidal alternating current going through a circuit element. Like resistance, reactance is measured in ohms, with positive values indicating inductive reactance and negative indicating capacitive reactance. It is denoted by the symbol X {\displaystyle X} . An ideal resistor has zero reactance, whereas ideal inductors and capacitors have zero resistance. As frequency increases, inductive reactance increases and capacitive reactance decreases.