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Dingfeng capacitor -- capacitance and capacitor
publisherAlice Yang
time2016/05/29
Capacitance and capacitor
(1) capacitor is commonly used in electrical equipment is an important element, which can be used to hold a charge.
(2) a layer of insulating material sandwiched between two metal plates (dielectric) is one of the most simple capacitor.Two metal plates is electricity
Two electrodes of the vessel.
(3) charge and discharge the capacitor electric charge;Lose after charging capacitor charge discharge.
(4) capacitor charge: capacitor of a plate on the absolute value of charge
(5) the breakdown voltage and rated voltage: added on polar capacitor voltage if more than a certain limit, the dielectric breakdown and loss will be
Bad capacitor, this threshold voltage breakdown voltage;Capacitor long-term work can withstand voltage is called the rated voltage, it than the breakdown voltage
Lower.
2.The definition of capacitor
(1) unit in the international system of units, condenser unit method (F).Commonly used units are: micro (u F) and skin method (pF)
The conversion relation is 1 f = 106 uf = 1012 pf
(2) physical meaning: it means the capacitor charge ability to accommodate the size of the physical quantity.
Dingfeng capacitor -- capacitance and capacitor