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20 cycles by the hour. The single acting hydraulic cylinders have drainage facility and top platform has a smooth surface. The hearings on pivot points are self lubricating and also the hydraulic power pack inside table are given with relief valve against overloading and compensated flow valve for controlled lowering speed. The electrical equipment is controlled by a digital system that carries a lv transformer and thermal overload protection. A wide range of accessories can be found combined with the lifts to achieve even higher safety functions where conditions require.
Designed by Shandong High Speed Croup, the construction was entered December 2006 and finished in December 2010, after 14 a lot of planning researches since 1993, which employed 30,000 workers to develop, and used 450,000 plenty of steel and 2.3 million cubic meters of concrete, having a total investment of approximately 9 billion yuan. The open of the bridge will decrease traffic time from Qingdao to Huangdao District by at the very least 20 minutes and release pressure for the Jiaozhou Bay Expressway. Furthermore, the Qingdao Haiwan Bridge is the starting section of national expressway from Qingdao to Lanzhou and the key part of high way net of Shandong.
Electrical systems transfer electricity which is mostly produced and consumed by rotating electrical machines. Further, the use of electric and hybrid electric drivelines in both passenger and heavy vehicles is now commonplace and with a continuously growing market share. At the same time, increased computational power and novel control algorithms enable opportunities to reduce energy consumption and/or improving various performance metrics of electric drives. Electrical machines and electric drives are therefore a vital part of the future electrical ecosystem in the global quest towards solutions to environmental challenges.The activities encompass design and analysis of novel electric machinery and electric drives for traction applications as well as corresponding auxiliaries. In recent years, focus has been put on modular converter and machine concepts in order to realize compact integrated electric drives. Further, design of electric machinery taking production aspects into account and the interaction between battery systems and power electronic loads are presently being investigated.
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