On July 31, 2015, Thomas Bach announced that Beijing would host the 2022 Winter Olympic Games, making it the world's first "double Olympic city". The National Ski Jumping Center, located in the Zhangjiakou competition area, is the largest competition venue in the Zhangjiakou competition area of the 2022 Beijing Winter Olympics. The profile of the jumping platform resembles the ancient Chinese symbol auspicious ornament - satisfaction, hence the name "Snow Ruyi".
"Snow Ruyi" consists of the summit salon at the top, the big air in the middle, the standard jump, the referee tower and the grandstand area at the bottom. On the outside of the "Snow Ruyi", there is a less conspicuous but especially important elevator passage, which connects the bottom to the top of the platform from the bottom to the top, and will play a very important role during the Winter Olympics. The S-shaped curve construction of "Snow Ruyi" and the steep and chaotic mountain structure make the elevator construction project much more difficult. In order to meet the construction needs of the whole project, the first inclined elevator project with arc trajectory in China came into being.
The operation on the arc trajectory requires the elevator to meet the real-time horizontal control of the car in the arc trajectory at different operating speeds. INVT EC300 elevator control system combined with INVT GD800 series inverter and servo drive provides a perfect solution for the elevator project, and finally completes the perfect display and accurate operation of the 90KW variable viewpoint inclined elevator on site.
INVT EC300 elevator control system features: elevator professional overall planning, simplified wiring, convenient commissioning; The highest floor can reach 64 floors, and the maximum speed can reach 10m/s; Efficient feedback to the power grid energy-saving skills, the power saving rate can reach 25%-45%; The highly integrated power module innovatively integrates controllable rectification and inverter in one module; Static component certification, multiple safety maintenance, in line with EN81 and GB7588 safety specifications.
Highlights of INVT EC300 elevator control system: Four-quadrant frequency conversion control technology, complete the conversion of direct current energy in the rectifier drive circuit into alternating current energy and send it back to the power grid, with an energy feedback power of more than 80%; Safety enable hardware control, when the elevator has a safety problem, immediately block the base level, shut down the output of the IGBT module, and stop the operation; Real-time monitoring of hoistway switch and orientation to prevent staggered operation; The AFE active front-end can accurately control the bus voltage and complete efficient energy feedback.
INVT focuses on the development and innovation of the elevator industry control system, which can supply the elevator intelligent whole machine of passenger elevators, freight elevators, escalators, villa elevators and door machines, and provides the overall elevator control solutions in combination with the needs of the working conditions, including various accessories of the elevator control system, security control, long-distance monitoring, elevator intelligence management system, etc. Make the elevator run safer, smarter, more comfortable and more convenient.
The INVT team responded efficiently to customer needs and occupied the difficulties of the project with "Olympic energy". Olympians are fighting the field, and INVT is also participating in the Olympics in its own way. Embrace your dreams and ski down with glory. This time, INVT walked with the Olympics to cheer for the Olympic athletes and witness the speed and enthusiasm on the ice and snow track; In the future, INVT will always adhere to the Olympic energy of "faster, higher and stronger", so that technology and intelligence can empower a more beautiful life.
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