1.it has advanced open-loop vector control performance and good voltage and current control technology. The starting torque is 0.5hz/150%, the speed regulation ratio is 1:100, the dynamic response is less than 20ms, and the speed stabilization accuracy is ± 0.2%; 2.wide voltage range design to meet the harsh user power grid environment Wide voltage range: AC 3Ph: 380V (- 15%) ~ 440V (+ 10%); 3.external optional filter, with better EMC performance, making the product more suitable for electromagnetic interference; 4.built in braking unit of Inverter below 30kW (included); 5.the whole series is equipped with a high-performance keyboard that can copy parameters as standard, which is very convenient for customers to use and operate; 6.the product supports common DC bus scheme and DC power supply mode; 7.provide a variety of braking modes, which can stop quickly Including energy consumption braking, magnetic flux braking, DC braking, short-circuit braking, etc; 8.it has multiple functions such as simple water supply, instantaneous power failure and non-stop, which can better meet various use needs of customers; 9.the product is of semi book structure and independent air duct design. provide customers with a more reliable and economical installation and use mode.Urban water supply, desert management, grassland animal husbandry, agricultural and forest irrigation, etc.