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The best of the three worlds
It is reported that Longtan Hydropower Station is located in the upper reaches of Hongshui River in Guangxi, and is the second largest hydropower project after the Three Gorges Hydropower Station. Its total installed capacity is 6.3 million kilowatts, and it is planned to install nine mixed-flow turbine generator units with a capacity of 700,000 kilowatts. According to the plan, the construction period of the project is 9 years. On July 1, 2001, the main project began construction; on November 6, 2003, the river was intercepted; the first unit was planned to be put into operation in July 2007, and on December 31, 2009, all seven units were put into operation.
According to relevant engineering personnel, Longtan Power Station consists of three major parts: dam, underground power house and navigation building. Its construction will create the world's three largest: the highest RCC dam (maximum dam height of 216.5 meters, The concrete volume of the dam is 7.41 million cubic meters; the largest underground powerhouse (388.5 meters long, 28.5 meters wide and 74.4 meters high); the ship with the highest lifting height (the highest lifting height is 179 meters two levels).
Challenge the world
In January 2003, Voith Siemens Hydropower Group's main production base in the Eastern Hemisphere --- Shanghai Voith Siemens Hydropower Equipment Co., Ltd. and Dongfang Electric Machinery Co., Ltd. obtained the supply contract for the 7 sets of turbines of Longtan Phase I, Shanghai Voith. Siemens is responsible for the hydraulic development and overall design of the Longtan project turbine, and manufactures and supplies the main equipment for the turbine for the Longtan project, including 5 turbine runners, 4 turbine seat rings, 4 sets of water guiding mechanisms, and 6 sets of spindles. Sealing and automation equipment for 3 sets of units.
The industry believes that the Longtan project is the latest example of Shanghai Voith Siemens' success with the most advanced hydropower technology. Since the runner is the heart of the hydroelectric generator, the on-site processing of the runner is an innovation and challenge for the domestic and even the world's hydropower equipment manufacturing industry. Voith Siemens has accomplished its mission with over 140 years of experience in the manufacture of hydroelectric equipment, especially in the manufacture of large hydropower equipment. Previously, Voith Siemens Hydropower Group and GE Hydro were jointly awarded a contract to supply six single-machine 700,000-kilowatt hydroelectric generating units for the Three Gorges Power Station. At the same time, Shanghai Voith Siemens has also obtained two other large hydropower construction projects in China – Yunnan Xiaowan Hydropower Station (6×700,000 kW) and Qinghai Laxiwa Hydropower Station (6×700 MW). contract.
China is the world's richest country in terms of hydropower resources. Both water energy reserves and hydropower resources can be ranked first in the world. The resource advantages of developing hydropower are quite prominent. At present, China's hydropower development has achieved remarkable achievements.
China's second largest hydropower station's first runner was successfully manufactured
Voith Siemens Hydro, the world's leading hydropower equipment manufacturing group, announced that the company's first runner, the second largest hydropower project in China, the Longtan Hydropower Station Phase I project, has been successfully built on the site and passed Longtan Hydropower. Development Co., Ltd. is qualified for acceptance and will be put into installation and commissioning.