Calculation method of film capacitors in series

Now, think of film capacitors when talking about new energy. With the rapid progress of electronic technology, the future of film capacitors is promising. To understand the calculation method of film capacitors and the characteristics of film capacitors, if you are a technician.

Characteristics of film capacitors:

1. Film capacitors can store electric charge and have the function of blocking direct current;

2. Alternating current can "pass" film capacitors;

3. Capacitive reactance of film capacitors;

Film capacitor series calculation method:

The equivalent capacitance formula is similar to a resistor in parallel: C = (C1 * C2) / (C1 + C2). For example, two 100 microfarad capacitors become a 50 microfarad capacitor after being connected in series. The series capacitor's withstand voltage is the sum of the two, and the capacity is the inverse and one part of the two. The withstand voltage of the two capacitors in parallel is the value with the lower withstand voltage, and the capacity is the sum of the two. That is, the series withstand voltage increases and the capacity decreases; the parallel withstand voltage does not change, and the capacity increases.

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