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2021-05
26
The rise of high-voltage switch industry and the road to localization
"The current electricity market is still characterized by strong demand. Are enterprises eager to increase varieties and expand scale? Or should they calm down and analyze the situation rationally and carefully study their own development strategies?...
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2021-05
26
The inverter industry will be price-oriented
At present, there are more than 300 inverter manufacturers in the domestic market, and there are 20 to 30 major brands. Most inverter manufacturers purchase and use power modules to manufacture inverters.There are not many manufacturers in the world ...
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2021-05
26
State Grid Corporation ranks among the world's top 100 brands
The 2009 "Top 500 World Brands" released by the World Brand Lab was announced in New York, USA.According to evaluation results, "national grid" for the first time into the enclosed world's top 100 brands, ranked No. 95, December 29, the awards ...
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2021-05
26
A "energy-saving revolution" triggered by small switches
Since the 1980s, many universities and research institutes have successively carried out research on switched reluctance motors.In the end, after three years of research by a private enterprise in Shandong, the first batch of 90 sets of products were...
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2021-05
26
Ultrafast photonic crystal all-optical switch debut
A research team from Nanyang Technological University (NTU) in Singapore used nano-scale photonic crystals to create the first all-optical switch operating in the near-infrared range, which is expected to be used in communications and consumer elec...
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2021-05
26
Can my country's Electricity Stand the Test of Ice and Snow?
At the beginning of the new year, the Beijing-Tianjin-Hebei region encountered a rare blizzard, and the central and eastern regions also ushered in heavy snow and cold weather, making the problem of extreme weather challenging the security of powe...
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2021-05
26
Choosing the Right UHV DC Transmission Line Wires
Choosing the Right UHV DC Transmission Line Conductor In the UHV DC transmission project, the selection of the line conductor type must not only meet the requirements of long-distance safe transmission of electric energy, but also meet the requirem...
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2021-05
26
The high-voltage inverter market has entered a stage of high growth
The high-voltage inverter market has begun to differentiate, and the competition of general-purpose high-voltage inverters has become increasingly fierce, and high-performance high-voltage inverters have begun to enter the stage of import substitut...
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2021-05
26
High-voltage inverter has remarkable energy-saving effect
The high-voltage frequency conversion speed regulation system adopts the direct "high-high" conversion form, which is a multi-level topology structure of units in series. The main structure is composed of multiple groups of power modules in series ...
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2021-05
26
Three-terminal regulator principle
(1) Start the circuitIn the integrated voltage regulator, many constant current sources are often used. When the input voltage V1 is turned on, these constant current sources are difficult to conduct by themselves, so that the output voltage is diffi...
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