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Aug 05,2025
How well do you understand high and low voltage switchgear?
High and low voltage switchgear, simply put, is equipment that connects high voltage or low voltage cables. Generally, power supply bureaus and substations use high voltage switchgear, which then steps down the voltage through transformers to low voltage cabinets. The low voltage cabinets then distribute power to each electrical distribution cabinet. Inside, it is essentially electrical equipment assembled from components such as power switches and isolating switches for protection.
Sep 22,2025
Precautions for Installing High-Voltage Distribution Cabinets
The installation of high-voltage switchgear is a critical component in power systems, directly impacting the safety, stability, and efficiency of electricity supply. This article will provide a detailed overview of key considerations during the installation process, covering aspects such as site selection, foundation construction, equipment connection, grounding systems, ventilation and heat dissipation, as well as maintenance and upkeep—ensuring the proper operation and extended lifespan of the switchgear.
Aug 05,2025
Basic Knowledge of Ring Main Unit
Ring main unit is a set of power distribution electrical equipment assembled into sectional ring main units or power supply units for electrical equipment within metal or non-metallic insulation. Its core components use load switches and fuses, featuring simple structure, compact size, low cost, and advantages such as improved power supply parameters, performance, and safety. It is widely used in urban residential communities, high-rise buildings, large public buildings, factories, enterprises, and other load center distribution substations and box-type substations.
Differences Between Fully Insulated Gas-Insulated Switchgear and Semi-Insulated Switchgear
Fully insulated gas-insulated switchgear manufacturer gas-insulated layer switchgear, generally called semi-insulated layer switchgear, gas-insulated layer switchgear also known as fully insulated layer switchgear, the difference depends on:
05
2025/08
What are the functions of a power transformer?
A power transformer is a stationary electrical device used to convert an alternating voltage (current) of a certain value into one or several voltages/currents of different values but the same frequency. Power transformers are one of the main pieces of equipment in power plants and substations.
05
2025/08
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