It is pointed out that the AC/DC integrated de-excitation protection can be used as the preferred solution for the de-magnetization protection of large hydro-generator rotors. In the figure: Ufr-excitation power supply FMK excitation circuit breaking device LQ-generator rotor winding F-generator
Read Tutorial* After the switch is turned on and off, the variable frequency speed control air compressor continuously detects the pressure change of the air system through the EPC intelligent controller. The feedback pressure is compared with the set pressure, and the inverter output is controlled in real ti
Read TutorialIn order to reward users, Xichai Engine will hold a "3.11" spike on November 11, 2015. Prizes include 11 Xichai Aowei 11L engines or equivalent FAW Xichai maintenance voucher, registered users can directly spike in the "Wisdom Xichai" APP platform. What is the sacredness
Read TutorialOn October 28, 2015, Kautex’s Wuhan plant, the world’s largest manufacturer of plastic fuel tanks for vehicles, settled in the Wuhan Development Zone. This means that, following the cities of Changchun, Shanghai, Guangzhou, and Chongqing, Kathes’s fifth investment in Chi
Read TutorialLiaoning, Beijing, Shanghai, Guangdong and other provinces and municipalities consumer associations (CC, Consumer Protection Committee) a total of 31 consumer rights protection units recently conducted a survey on the special car service, the survey results released on the 29th showed that nearly 8
Read TutorialBurned cylinder pad  If the burned area of ​​the cylinder pad is small, it can be filled with asbestos line. When the burned area is large, a piece of shimming can be cut from the same part of the waste cylinder pad of the same thickness a
Read TutorialWhen the weather is hot, many “lazy people†who do not want to cook are accustomed to take delivery and use disposable bamboo chopsticks delivered with meals. However, whether disposable chopsticks are hygienic? Recently, the Beijing News reporter purchased a total of three dis
Read TutorialRecently, a research team at Nagoya University in Japan developed a detector with a PM2.5 size of only 5 cm square, which is only 1% of the current PM2.5 detector installed by local governments in Japan. According to reports, the detector developed by the research team can detect particle
Read TutorialIn summer, it is not only inconvenient for riders to travel, but also dust and other objects on the body and chassis. Cleaning and checking the car after the rain is a necessary part of the daily maintenance of the vehicle, although it is a lot of work. 1, timely cleaning of acidic materials in t
Read TutorialThe collapsed air is widely used as a power in many industries because of its sufficient gas source to urinate along the pressure drop, long-distance transport without pollution, and safe use. However, the compressed air station is also referred to as the air compressor station, which is also a l
Read TutorialIn particular, after entering the 21st century, our country’s industry has achieved unprecedented development. During the 12th Five-Year Plan period, the dryer industry developed in depth. The 18th National Congress of the People's Republic of China also painted an ideal development blu
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