Industry News_Jiangxi Yawei Electrical – Power Transformers & Energy Solutions

2023-02-22

High-Voltage Isolating Switch and Earthing Switch

The distribution cabinet provides comprehensive monitoring of power quality parameters such as voltage, current, frequency, active power, reactive power, electrical energy, and harmonics. This ensures users have a clear overview of the system’s operational status, enabling them to promptly identify potential safety hazards and proactively mitigate risks. High-voltage distribution cabinets are critical components in power systems, playing essential roles in tasks like switching, controlling, or protecting during electricity generation, transmission, distribution, and conversion processes. These devices operate at voltage levels ranging from 3.6 kV to 550 kV and include key products such as high-voltage circuit breakers, high-voltage disconnectors with grounding switches, high-voltage load switches, high-voltage automatic reclosers and sectionalizers, high-voltage operating mechanisms, high-voltage explosion-proof switchgear assemblies, and other specialized high-voltage equipment.

2018-11-08

What factors affect the sealing of waterproof distribution boxes?

When designing dust- and waterproof distribution boxes, the higher the protection rating, the greater the performance requirements for the waterproof box. Sometimes, to enhance the protective effect even further, we specially incorporate rain caps into the design—these effectively prevent water or dust from seeping in. Additionally, the box lid can easily be separated from the main body, making it convenient for users to carry out processing and printing tasks. Choosing the right size is the first and most critical consideration when selecting a waterproof distribution box, as it plays a vital role throughout the entire purchasing process. Next, we must carefully evaluate how material selection impacts the functionality of the waterproof box. When it comes to materials, we…

2018-11-08

Precautions for Live Maintenance of Low-Voltage Distribution Equipment

To avoid disrupting normal power supply, it is sometimes necessary to perform live low-voltage maintenance on low-voltage equipment such as distribution cabinets. When conducting routine live low-voltage maintenance, the following precautions should be observed: 1. A dedicated person must provide supervision. The purpose of this is that, in case of an unexpected accident during the repair process, the supervisor can immediately cut off the power supply (by switching off the circuit breaker or isolating switch in the distribution cabinet, or by removing the fuse cartridge). Additionally, if the technician might accidentally touch or come too close to energized conductors, or in case of operator error, the supervisor can promptly issue a warning to prevent electric shock or other potential hazards. 2. Insulated-handled tools must be used, and workers should stand on dry insulating materials, such as wooden ladders, platforms, or stools.

2018-11-08

Operating procedures for distribution cabinets

The distribution cabinet provides comprehensive monitoring of power quality parameters such as voltage, current, frequency, active power, reactive power, electrical energy, and harmonics. This ensures users have a clear overview of the system’s operational status, enabling them to promptly identify potential safety hazards and proactively mitigate risks. High-voltage distribution cabinets are critical components in power systems, playing essential roles in tasks like switching, controlling, or protecting during electricity generation, transmission, distribution, and conversion processes. These devices operate at voltage levels ranging from 3.6 kV to 550 kV and include key products such as high-voltage circuit breakers, high-voltage disconnectors with grounding switches, high-voltage load switches, high-voltage automatic reclosers and sectionalizers, high-voltage operating mechanisms, high-voltage explosion-proof switchgear assemblies, and other specialized high-voltage equipment.

2019-04-20

Chongren Industrial Park Upgraded to Provincial High-Tech Industrial Park

Recently, after careful consideration and approval by the Jiangxi Provincial Government, Chongren Industrial Park has been officially renamed Jiangxi Chongren High-Tech Industrial Park—marking the province’s first county-level provincial-level high-tech industrial park and becoming Fuzhou City’s second high-tech industrial hub. In recent years, the park has diligently implemented the provincial party committee’s guiding principles of "innovative development, green rise, pragmatic responsibility, and revitalizing Jiangxi to enrich its people." Staying closely aligned with the drive for high-quality growth and firmly embracing the concept of sustainable development, the park has strategically focused on the power transmission equipment industry as its flagship sector. By nurturing industry leaders and fostering cluster development, the park has maintained strong momentum in its growth trajectory. Notably, in 2014, the park’s power transmission equipment industry was recognized as one of the province’s首批 20 provincial-level industrial demonstration clusters. In February 2015, it successfully became the city’s first national demonstration base for new industrialization. Over the years, the park has hosted two consecutive Central China Power Transmission Equipment Summit Forums—in 2016 and 2018—and in 2018 alone, it welcomed 13 new high-tech enterprises, bringing the total number of such companies to 31. That same year, the park appointed Academician Yao Jianquan from the Chinese Academy of Sciences as a government advisor and established the county’s first academician workstation at Beidou Power Transmission Technology Co., Ltd. Additionally, the park attracted one postdoctoral researcher, one senior engineer at the researcher level, and a total of 22 high-caliber talents, including doctoral candidates, PhD teams, and distinguished professors. The park has also strengthened strategic partnerships, signing collaboration agreements with China Gezhouba Group International Engineering Co., Ltd. and the All-China Federation of Industry and Commerce Hardware & Machinery Trade Association. Furthermore, it inked a landmark strategic pact with Yigao Group for the Chongren Power Transmission Town project. Meanwhile, the park has made significant strides in establishing itself as a provincial-level demonstration zone for export-quality safety and reliability in power transmission equipment. Actively engaging in the Belt and Road Initiative, the park has deepened its cooperation with Zambia’s National Grid Company, paving the way for a major $85 million underground substation project led by Mingzheng Group, which has now officially commenced operations in Lusaka Province. To expand its global footprint, the park made history by leading its first-ever delegation to the ASEAN (Bangkok) China Import and Export Commodity Expo, where it held a successful promotional event showcasing Chongren’s power transmission equipment industry. This initiative culminated in strategic partnership agreements signed with countries such as India and Nepal. Meanwhile, construction is rapidly advancing on the provincial-level Quality Supervision, Inspection, and Testing Center for Medium- and Low-Voltage Power Transmission Equipment. The park is also steadily progressing toward establishing itself as a "National Demonstration Zone for Well-Known Brands in the Medium- and Low-Voltage Power Transmission Equipment Industry." In 2018, Chongren Industrial Park was honored with the prestigious title of "Jiangxi Province’s Demonstration Park for Deep Integration of Informatization and Industrialization."

2023-02-22

Transformer handling operations

The distribution cabinet provides comprehensive monitoring of power quality parameters such as voltage, current, frequency, active power, reactive power, electrical energy, and harmonics. This ensures users have a clear overview of the system’s operational status, enabling them to promptly identify potential safety hazards and proactively mitigate risks. High-voltage distribution cabinets are critical components in power systems, playing essential roles in tasks like switching, controlling, or protecting during electricity generation, transmission, distribution, and conversion processes. These devices operate at voltage levels ranging from 3.6 kV to 550 kV and include key products such as high-voltage circuit breakers, high-voltage disconnectors with grounding switches, high-voltage load switches, high-voltage automatic reclosers and sectionalizers, high-voltage operating mechanisms, high-voltage explosion-proof switchgear assemblies, and other specialized high-voltage equipment.

2023-02-22

High-Voltage Explosion-Proof Distribution Cabinet Systems and Major Categories of High-Voltage Distribution Cabinets

The distribution cabinet provides comprehensive monitoring of power quality parameters such as voltage, current, frequency, active power, reactive power, electrical energy, and harmonics. This ensures users have a clear overview of the system’s operational status, enabling them to promptly identify potential safety hazards and proactively mitigate risks. High-voltage distribution cabinets are critical components in power systems, playing essential roles in tasks like switching, controlling, or protecting during electricity generation, transmission, distribution, and conversion processes. These devices operate at voltage levels ranging from 3.6 kV to 550 kV and include key products such as high-voltage circuit breakers, high-voltage disconnectors with grounding switches, high-voltage load switches, high-voltage automatic reclosers and sectionalizers, high-voltage operating mechanisms, high-voltage explosion-proof switchgear assemblies, and other specialized high-voltage equipment.

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