Electrolytic capacitance activator ----- Capacitance Restorer

Electrolytic capacitance activator Capacitance Restorer After the long-term use of electrolytic capacitors, it is best to charge a few times in a lower DC voltage, and then use higher voltage to activate the use, especially a higher rated voltage higher capacitor. More work more, the following circuit is designed for this. In the circuit of Fig. 1, the electrolytic capacitance of different rated voltages is activated by the electrolytic capacitance of the different rated voltages. C1 is a current limiting-free modular capacitor to prevent large spark or C2 when the AE is activated when the activation capacitor C2 is activated. The value in the figure is measured by EC890C + digital multimeter, and its voltage value is large and theoretically calculated because the resistance is caused by allowing errors and C2 access. Activation should start from the low pressure stop, such as the pressure-resistant 400V electrolytic capacitor, first access C-stop 42V, on the background AC power, the electrolytic capacitance begins to charge. After a few minutes to dozens of minutes (depending on the capacity of the electrolytic capacitance), disconnect the AC power supply for half a minute or longer, so that the electrolytic capacitor is charged back and then acts on the power supply, so that it is repeated several times, will change C2 After receiving the B-block, the A block is also repeatedly charged several times. Appropriate gear and prevent personal electric shock should be selected according to the rated voltage of the electrolytic capacitor. Due to the electrolytic capacitor, the current is large when the current is just charge, and will soon attenuate, the power of the resistor is 1 / 4W or 1 / 2W. If the electrolytic capacitor is long or short, the corresponding resistance will heat or burn (outside A). The circuit of Fig. 2 can also be used. Where R1 is a current limiting resistor, the same as the C1 in Fig. 1, and other elements are as shown in Figure 1. A simple approach can also be activated with a controllable silicon modulus. Higher pressure-resistant capacitors activate use tweveral pressure or triple voltage stream circuitry. Application example: (1) Small power (5W ~ 20W) Electronic energy-saving lamp is set for a long time, first take the C-block in Figure 1 to make the lamp in the lamp in front of the B-stop charging several times, Finally, access A gear, if the lamp can be used to use it. (2) A 100UF / 50V electrolytic capacitor pointer MF27-1 million meter R × 1K gear is still 200KΩ resistance, the pointer cannot be returned, first use the D berd for Drapping 15 minutes by Drapping 15 minutes. 30 seconds, repeated 2 times, then repeated 3 times with C plug, then measure the multimeter, the pointer can be returned to ∞, indicating that the activation effect is good. Author: Chen Yangfeng

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