'Multi-Split VVVF' System for Electric Submersible Pump on Extraction Flat Roof on the Sea

摘要

This Paper introduces the usage of an automatic system, which uses one VVVF controls many electric submersible pumps. "Multi-Split VVVF" system means that only use one (or a few) frequency converter using multiple PLC components network control system. The system can start and stop control of multiple motors, protect the motor and frequency conversion and power frequency automatic switching. Advantages are small space, less investment funds. The whole system is in the leading position in the country. The degree of automation is relatively high, has gradually meet the requirements of an unmanned platform. There is a very broad application prospects.