Latest News

Supercapacitors Release “Super Energy”

Seizing space and vying for “space superiority” have become critical components of winning future information‑centric wars. Building a robust anti‑space defense system hinges on precision‑guided, high‑energy space weapons—such as directed‑energy systems, exemplified by high‑power pulsed laser weapons. These weapons boast extraordinary destructive power and are indispensable for securing victory in tomorrow’s “space battles.”

The Functions and Principles of Capacitors You Didn’t Know About

A capacitor is a component that stores electric charge, with its primary function being to store electrical energy. It can perform functions such as filtering, DC blocking, and noise suppression in circuits, and is widely used in power systems, electronics, telecommunications, and other fields.

What is the purpose of connecting a capacitor across a contactor coil?

A contactor is an electrical component primarily used to switch circuits on and off. To ensure its reliable operation, capacitance is often added to enhance its stability.

How exactly does an AC contactor designed specifically for capacitors function?

If you’re not familiar with AC contactors designed specifically for capacitors, you might be wondering what they are and what role they play in electrical systems. In this article, we’ll delve into the operating principles, structure, and application areas of capacitor‑specific AC contactors to help you appreciate their value and significance.

What are the different types of capacitors? Electricians, take note—does anyone recognize any of these?

A capacitor is an electronic component capable of storing electrical charge. It consists of two conductive plates (or metal foils) separated by an insulating material (or dielectric). There are many types of capacitors; below, we will introduce some common varieties and their characteristics.

What material is the capacitor made of?

Capacitors: Aluminum‑foil, aluminum‑strip, and aluminum‑oxide types are manufactured by directly forming the dielectric on an aluminum strip. Paper‑type capacitors and paper‑oil‑impregnated capacitors use aluminum foil and capacitor paper as the dielectric. Ceramic disc capacitors employ ceramic discs, with metal films deposited on both sides; their dielectric is the ceramic substrate. Capacitors are one of the most widely used electronic components in electronic equipment, serving functions such as DC blocking, coupling, bypassing, filtering, circuit tuning, energy conversion, and control circuitry.