Capacitor For Solar Inverter

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FAQ

Capacitance for AC and DC effects?

This current is also a sine wave, but with the resistance is different, although there is voltage current, but does not consume energy, called reactive power.

How does the capacitor work? What does it do?

Straight to pass on the circuit need to pass the AC signal, power supply filter, cut off DC and other places to use. Capacitor charge and discharge is the basis of other properties. There are two kinds of filtering, one is the power filter, which is more obvious charge and discharge, can be seen as a container.

Does the size of the capacitor affect the power consumption?

The capacitance is the physical quantity that characterizes the capacity of the capacitor to charge the charge.We charge the capacitance of the capacitor by increasing the potential difference between the two plates of the capacitor by one volt.

Does anyone know the difference between the stray inductance of the capacitor and the parasitic inductance?

With the increase in stray inductance, IGBT turn-on loss will be reduced, the diode loss will increase. Stray inductance may also cause oscillations, such as oscillations caused by current mutations, which may result in limited device use due to EMI or overvoltage limits.

Why does the circuit current gradually decrease when charging the capacitor?

due to the increase in the number of charge, the electrostatic field field strength will gradually increase, increasing the field strength caused by the absorption of electrons to produce exclusion, So that the number of adsorbed charges gradually reduced, the number of charge to reduce the performance of the phenomenon that the charging current is gradually reduced. When the number of charges on the two electrode plates of the capacitor reaches a gradually increasing field strength constraint, the amount of charge is not increased and the equilibrium state is reached, that is, the charge saturation current is zero.

What is the difference between polyester film capacitors and ceramic capacitors?

Good stability. From the chemical performance, acid, alkali, salt and water corrosion of ceramic materials is very small, from the heat resistance, the ceramic material in the high temperature of up to 500 ~ 600 ℃, long-term work without aging

What is the difference between the power capacitor and the complement?

Wiring, three-phase complementary capacitor has three terminals, respectively (A, B, C) sub-capacitor has four terminals, respectively, then

Is the capacitor attached to the carbon foil positive?

The negative electrode of the capacitor is made of electrolyte, the electrolyte is generally composed of boric acid, ammonia, ethylene glycol and other components.