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China's upgraded high-altitude wind power project that extracts clean energy from stratosphere completes test_我的网站

A |     ELWOOD, N.Y. -- A police officer fatally shot a man who charged at authorities with two swords on Long Island, New York, and the police commissioner said Wednesday that the shooting appeared to be justified.Alan Weber, 54, was pronounced dead at a hospital after Tuesday night's shooting in Elwood.Police responded to a 911 call reporting a man acting violently inside a home. Weber was screaming and breaking items when officers arrived and refused to come outside, police said in a statement.The Suffolk County officers entered and Weber confronted them with the swords while wearing a fencing mask, Police Commissioner Rodney Harrison said, adding that Weber did not obey commands to drop the swords and an officer shot a stun gun at him but it had no effect.Weber then charged, and one officer fired several shots, Harrison said. The officer's name was not released.“I feel the officers had no other choice but to use what they had to use to stop the threat,” Harrison said.Neighbors said they had called police earlier in the day when Weber was running around to houses in the neighborhood, trying to open doors and take mail. Police responded but did not take him into custody, they said.State and local authorities are investigating the shooting. Harrison said he reviewed officers' body camera video and “at this time I believe it's a justified shooting.”。    

    Photo: Screenshot from CCTV News
China's high-altitude wind power technology has achieved a major breakthrough, as the domestically developed S4000 Stratosphere Airborne Wind Energy System (SAWES) recently completed a test at a base in Northwest China, CCTV News reported on Saturday.
An upgraded version of the earlier S2000 SAWES, and the successful completion of its full-process flight validation marks the transition of China's stratospheric high-altitude wind power technology from the iterative development phase toward the engineering deployment phase, according to the report.
The test covered the entire process of ascent, station‑keeping, power generation testing, and smooth recovery, with all indicators meeting the required standards, fully verifying the system's reliability in complex and extreme high‑altitude environments, the report said. 
As an upgrade from the S2000 model, the S4000 adopts a new configuration with significantly improved overall performance. Its maximum operational altitude reaches 4,000 meters, making it suitable for deployment in the vast majority of regions across China. 
It can directly adapt to mainstream grid power supply requirements and has a design service life of up to 20 years.
Unlike conventional low-altitude wind turbines, which are often referred to as "windmills," the system employs a flying device.
Global Times
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