03 Sep, 2026
Three common approaches to medium-voltage distribution Medium-voltage switchgear protects, isolates and controls electrical circuits, but the best insulation technology depends on the site. Air-insulated switchgear...
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03 Sep, 2026
Why a complete specification matters A distribution transformer may operate for decades, but a small error in the purchase specification can create persistent voltage problems,...
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03 Sep, 2026
Why fault-current levels become a problem As power systems expand, additional generators, transformers and network interconnections can raise the available short-circuit current. The resulting duty...
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03 Sep, 2026
Two devices with different jobs A neutral grounding resistor and a grounding transformer are often discussed together, but they do not perform the same function....
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03 Sep, 2026
Introduction A neutral grounding resistor (NGR), also called a neutral earthing resistor, connects the neutral point of a transformer or generator to ground through a...
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26 Aug, 2026
On June 13, 2023, the 16th China (Beijing) International Construction Machinery, Building Materials Machinery and Mining Machinery Exhibition and Technical Exchange Conference (referred to as...
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26 Aug, 2026
Since the beginning of this year, the trend of electrification of global construction machinery products has become increasingly prominent. Data show that from January to...
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26 Aug, 2026
The 3rd Changsha International Construction Machinery Exhibition will be held in Changsha International Convention and Exhibition Center and Changsha International Convention Center from May 12...
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26 Aug, 2026
The exhibition also unveiled the industry's largest flow, the highest level of intelligence of 5000m³/h vertical water supply and drainage emergency vehicle GP50C, "Twin God...
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26 Aug, 2026
Since the beginning of this year, China's infrastructure investment has accelerated, becoming an important support for economic growth. On June 29, CCTV's "News 30 Minutes"...
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