What industries or fields can capacitors be applied in?

Capacitors are electronic components capable of storing charge and electric field energy, with a wide range of applications. The following are some of the main industries and fields:

electronic industry
Consumer electronics products: In devices such as mobile phones, computers, tablets, and digital cameras, capacitors are used for power filtering, decoupling, bypass, and other circuit functions to ensure stable operation of electronic devices. Like multi-layer ceramic capacitors in mobile phones, used to filter out high-frequency noise in power supplies.
Industrial electronic equipment: frequency converters PLC、 In industrial equipment such as industrial power supplies, capacitors play a role in stabilizing DC voltage, buffering energy, and filtering. For example, in frequency converters, electrolytic capacitors are used to store energy and stabilize the DC bus voltage.

Power System
Power generation process: In power plants, capacitors are used for power factor correction to improve the generator's power generation efficiency and power quality. At the same time, it is also used for reactive power compensation of high-voltage transmission lines to reduce line losses.
Transmission and distribution process: In high-voltage transmission lines, series capacitors are used to compensate for the inductance and reactance of the lines, improving transmission capacity and stability; Parallel capacitors are used for reactive power compensation to maintain voltage stability in the power grid. In the distribution system, capacitor banks are used for reactive power compensation to low-voltage users, reducing line losses and improving power supply quality.

In the field of new energy
Solar photovoltaic power generation: In the charging control circuit and inverter of solar panels, capacitors are used for energy storage, filtering, and power factor correction. Thin film capacitors in photovoltaic inverters can withstand high voltage and high current, and have good high-frequency characteristics.
Wind power generation: Capacitors are indispensable in the inverters, control systems, and reactive power compensation devices of wind turbines. Supercapacitors can also be used in the low-voltage ride through process of wind power generation, providing short-term energy support to ensure that wind turbines do not operate off the grid in the event of grid failures.