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Reasons for internal arc faults
According to incomplete statistics, there are over 200 cases of internal arc faults in medium voltage switchgear every year, causing a large number of casualties and property losses. Although our switchgear technology and production level continue to improve, and safety measures are constantly strengthened, arc faults still occur and need to be taken seriously. The GB/T3906 standard lists the causes of internal arc faults 9.103.2 Causes and preventive measures Experience...
Primary equipment of distribution network - switches and ring main units
Typical switchgearThe following introduces several circuit breakers, load switches and disconnectors from three well-known companies and their performance.1. ABB Company(1) Sectos NXA load disconnector (ANSI/IEC)Sectos NXA load disconnector (ANSI/IEC) is shown in the figure below. It has a rated voltage of 24kV or 36kV and a rated current of 630A. It is an SF6 gas-insulated load disconnector for overhead lines with a maximum voltage of 36kV. The switch box body...
Aierway's Participation in the Kazakhstan International Energy, Electrical Equipment, and Mechanical Manufacturing Exhibition
Aierway's Participation in the Kazakhstan International Energy, Electrical Equipment, and Mechanical Manufacturing Exhibition From October 30th to November 1st, 2024, Almaty, Kazakhstan will host the highly anticipated Kazakhstan International Energy, Electrical Equipment, and Mechanical Manufacturing Exhibition. This three-day event promises to be a pivotal gathering for industry leaders, innovators, and professionals from around the world. The exhibition offers a prime opportunity for exhibitors and attendees to familiarize themselves with the...
A Visit to Our Client's Factory in Ho Chi Minh City: A Step Towards Perfect Collaboration
A Visit to Our Client's Factory in Ho Chi Minh City: A Step Towards Perfect Collaboration In 2024, during our participation in the Vietnam Electrical Exhibition in Ho Chi Minh City, we were honored to receive an invitation from one of our clients to visit their factory. This visit provided us with a unique opportunity to witness firsthand the scale and technological prowess of their operations. It also allowed us...