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Zhejiang CNWL Intelligent Electric Co.,Ltd
Liu Yueqing City, Zhejiang
0577-6175507761758177 62797388
Liu Yueqing City, Zhejiang
0577-6175507761758177 62797388
| Product Introduction |
| 660V/1140V frequency inverter,mainly used for asynchronous motor in the fields of Chemistry, power plants, smelting plant, mine and so on. |
| Product Position |
| Wide grid voltage:±20％ of grid voltage Bran-new double CPU (DSP+MCL)hardware control plate,to be the best centroI function. Speed control way: less-speed vector control,constant power control,V/F controI Adopt fiber transfer drive,good anti-interference ability． Realize synchronous by torque control,prevent from load imbalance. |
| Technology Characteristics |
| Input voltage: 3-phase,AC 660V,1140V,50Hz Power range:45-800KW Starting torque:speed-less vector control:0.5Hz output 150％ torque SPWM control:0.5Hz output 100％torque Soft starting and soft stopping for heavy-load,small starting current,stable starting speed,small shock to power grid The S curve could adjust according to on-site situation,reduce the dynamic effort to equipment when starting. Have RS485 communication interface,use standard MODBUS RTU communication protocol. More up to 51 kinds of operating control and protection functions. Such as,over-current over-voltage,over-load,low-voltage,phase-failure,short-circuit. |
| Special Functions |
| Timer/counter Flip-flop Auto-ope rating controller 6 piece of multi-function programmable digital input terminals 3 piece of multi-function programmable digital output te rminals 3 piece of multi-function programmable analog input terminals Built-in sequence communication function,could make one or more units offrequency inverter controlled by main computer,and total up to 99 units. Zero-speed,could output 150％ torque, have zero-speed braking stop function. |
| Main components |
| Rectifier Bridge:German SEMIKRON Inverter Bridge:German EUPEC, England DYNEX,MITSUBISHZ MOTOR Filter capacitor:HICOM,America CDE,BC,SIEMENS EPCOS MCU:HICOM ,FUJI Current sensor:LEM |
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