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KE300A系列中压变频器是为矿山、石油等行业特殊电压等级电动机负载而设计的专用产品； 先进的三级硬件拓扑结构和AFE整流技术，具有优越的电机驱动性能和对电网的...
KE300A-XX-T6（690V）系列中压变频器的特点
● 领先的三层拓扑
● 输出波形更为正弦
● 输出电压变化率明显降低
Product type | KE300A-T6/12（690V/1140V）series | |
Function description | Specification | |
Input | Rated input voltage (V) | AC 3PH 970V~1310V |
Rated input frequency | 50Hz/60Hz, permissible range 47~63Hz | |
Rated input efficiency (%) | Above 98% | |
Rated input power factor (%) | Above 0.85 | |
Output | Rated output voltage (V) | 0~input voltage |
Output frequency | 0~400Hz | |
Operation control characteristics | Control mode | V/F（has V/F separation function）, open loop vector, closed loop vector |
Motor parameter autotuning | Support static motor autotuning and rotary autotuning | |
Speed regulation range | Closed loop vector: 1:1000; open loop vector: 1:100 | |
Speed control precision | Closed loop vector: ±0.1% max speed; open loop vector: ±0.5% max speed | |
Speed fluctuation | ±0.3%（open loop vector control）； ±0.1%（closed loop vector control） | |
Torque control precision | 10%（open loop vector control）； 5%（closed loop vector control） | |
Starting torque | 0.5Hz 150% （open loop vector control）; zero frequency 180% （closed loop vector control） | |
Overload capacity | 60s for 150% of rated current, 10s for 180% of rated current, 1s for 200% of rated current | |
Important function | Master/slave control, multi-step speed running, simple PLC, multiple ACC/DEC time switching, S curve ACC/DEC, fan rotation control, energy-saving operation, PID adjustment, MODBUS communication, droop control, torque control, torque and speed control mode switching, etc. | |
Protection function | Motor overheat protection, overload protection, overvoltage protection, undervoltage protection, input phase loss protection, output phase loss protection, overcurrent protection, overheat protection, overvoltage stall protection, overcurrent stall protection, short circuit protection, etc. | |
Peripheral interface | AI | Two（AI1、AI2）0~10V/0~20mA, one（AI3）-10~10V |
AO | Two（AO1、AO2）-10~10V /-20~20mA | |
DI | Six digital inputs are included in standard configuration | |
DO | One open collector output is included in standard configuration | |
Two relay outputs are included in standard configuration, contact capacity: 3A/AC250V，1A/DC30V | ||
Communication mode | 485 communication（MODBUS protocol） is included in standard configuration, optional CAN, optical fiber, Profibus-DP | |
Others | Keypad | LCD display is included in standard configuration, compatible with LED keypad |
Ambient temp | 10℃~+40℃, derate if the ambient temp is above 40℃ | |
RH | 5%~95% | |
Storage temp | -40℃~+70℃ | |
Elevation | Below 1000m, derate if the elevation is above 1000m, derate by 1% for every additional 100m | |
Protection level | IP00、IP20、IP54 | |
