梁中鄂论电源滤波用电解电容（Zhonge on beam power filtering for electrolytic capacitor）.docVIP

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梁中鄂论电源滤波用电解电容（Zhonge on beam power filtering for electrolytic capacitor）.doc

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梁中鄂论电源滤波用电解电容（Zhonge on beam power filtering for electrolytic capacitor）

梁中鄂论电源滤波用电解电容（Zhonge on beam power filtering for electrolytic capacitor） Zhonge on beam power filtering for electrolytic capacitor Capacitors (capacitor) are widely used in audio components, such as filtering, reverse coupling, high frequency compensation, and direct current feedback... Can be seen everywhere. But if functional and manufacturing materials, manufacturing methods are subdivided, it is not overnight. Therefore, this paper only talks about electrolytic capacitor, and only discusses the aluminum electrolytic capacitor used in the power smoothing filter. Every sound machine has to eat the power supply - except for the passive front stage. Since it needs power supply, there is no filtering. Dont argue with me, battery powered, of course, no power smoothing filter. But the battery charging circuit also has rectifier and filter, so the filter capacitor will still exist. We now use the filter capacitor, the formal name is: aluminum solid electrolytic capacitors. I have observed that in addition to Canada Sonic Frontiers in front of the vacuum tubes, high voltage power line using PP plastic capacitor filter, all other models are made of aluminum foil for solid electrolytic capacitor; therefore, users need to do about it. Whats the first thing you think about in the face of a capacitor that acts as a power smoothing filter in a power line? - capacity? Withstand voltage? Capacitors must have a capacity indication on the outer skin of the capacitor. That is the electrostatic capacity. There must be a resistance indication, that is, the operating voltage or the rated voltage. Working voltage (working voltage) referred to as WV, is absolutely safe; if surge voltage (SV or Vs), surge voltage or voltage collapse, the voltage value is exceeded; ensure that this capacity will be drowned - careful capacitance will burst wave! According to the international IEC 384-4 regulation, when is less than 315V, and Vs=1.15 * Vr is higher than 315V, Vs=1.1 * Vr. Vs is the surge vo