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With the development of automation technology, the floating crane equipment also starts to use the automatic control system.

The traditional hydraulic anti-shake system has a long response time delay, component loss and other issues, seriously troubling the port machine users, wi...

This paper analyzes the running characteristics of portal crane, and elaborates the selection principle of motor, inverter and its braking mode and the cap...

Synchronous switching technology is used for bumpless switching between inverters and power grids. It adopts phase-locked loop technology, thus the frequen...

The water injection in the mining technology of an oil field of Jiangsu Province, Sinopecis driven by a 6KV / 630KW motor, the water injection rate in each...

A petrochemical company in Shandong is one of China's top 500 enterprises based on the oil refining, the circulating gas compressor of the enterprise propy...

The 1st oil production factory of Daqing oil field is the largest oil production plant in China and the first oil production plant to achieve the cumulativ...

This paper describes INVT GD5000 medium voltage frequency drive in the Kaliningrad water treatment plant in Russia, and demonstrates in detail the site-fre...

Compared with the traditional water tank and water supply by water tower, variable frequency constant pressure water supply has many advantages like energy...