News and Information_Nantong Zhihe Electric Co., Ltd.

News and Information

News and Information

22

2023-02

Warm congratulations on the launch of the Nantong Zhihe Electric Co., Ltd. website!

Warm congratulations on the launch of the Nantong Zhihe Electric Co., Ltd. website! Thank you for your continued support and attention. We sincerely look forward to collaborating with you to create a bright future together!

2023-02-22

27

2020-08

Chongqing’s Smart City “Intelligent Hub” Has Been Completed and Put into Operation, with 42 City-Wide Systems Now Connected

On August 20, the inauguration ceremony was held for the completion and commissioning of the Chongqing Municipal New Smart City Operation and Management Center, which serves as a foundational, hub-based, and integrated project for the development of Chongqing’s new smart city...

2020-08-27

22

2023-02

The Principle of Supercapacitors

The electric double-layer capacitor is a novel type of capacitor based on the interface double-layer theory proposed by the physicist Hermann von Helmholtz. As is well known, when a metal electrode is immersed in an electrolyte solution, excess charges of opposite sign accumulate on the electrode surface and at the liquid–solid interface, thereby giving rise to a potential difference across the interface.

2023-02-22

22

2023-02

Methods for Testing Fixed Capacitors

1. Testing small capacitors below 10 pF: Because fixed capacitors below 10 pF have such a small capacitance, using a multimeter to measure them can only provide a qualitative assessment of whether there is leakage, an internal short circuit, or dielectric breakdown. When measuring, select the R×10k range on the multimeter and connect the two test leads arbitrarily to the capacitor’s two terminals; the resistance reading should remain high throughout. If the measured resistance (indicated by the needle swinging to the right) reads zero, it means the capacitor is damaged due to leakage or internal breakdown.

2023-02-22

22

2023-02

What are the classifications of capacitors?

According to analytical statistics, capacitors are mainly classified into the following 10 categories: 1. Based on structure, they are divided into three major types: fixed capacitors, variable capacitors, and trimmer capacitors. 2. Based on dielectric material, they are classified as organic-dielectric capacitors, inorganic-dielectric capacitors, electrolytic capacitors, pyroelectric capacitors, and air-dielectric capacitors, among others.

2023-02-22

22

2023-02

The function of a capacitor

In a DC circuit, a capacitor behaves as an open circuit. A capacitor is a component that can store electric charge and is one of the most commonly used electronic components.

2023-02-22

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