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Help CenterVector Control Drives of AC Machines for Lift Control
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Certification:CE
Vector Control Drives of AC Machines for Lift Control
Lift control is widely used in industries like mining, ports, building and so on. It requires the control stable and safe in any time and avoiding any out of control case.
Application Challenges
· Motor and Drive sizing
Conveyors requires a good deal of load and speed calculations, combined with actual testing to ensure proper size (power) requirements.
· Smooth product motion
Acceleration/Deceleration times combined with S-Curve “smoothing” characteristics need fine-tuning to ensure the product is not damaged and/or moved out of position for staging to subsequent processes.
· Rapid deceleration or downhill speed control of conveyors cause load regeneration in drives.
Care should be taken to ensure proper sizing of a drive’s dynamic braking package or regenerative converter, to prevent drive overvoltage faults.
· Electronic Gearing
Follow an external encoder to synchronize conveyor with other sections of the process
· Coordinate conveyor motion with external machine axes
· Reduce application development time
Features of V5 series matching lift control application
|
Features |
Benefits |
|
For lift control |
Step torque response: It can quickly follow the equipment load change to prevent the runaway situation and ensure the safe production.
Four quadrant operations: It can smoothly and quickly switch the forward and reverse motoring and generating state of the equipment.
Torque monitoring: It can adjust, limit, display and switch the torque output, so as to monitor the operating state of the equipment. |
Power range of V5 VFD
Voltage: 3 phase 380VAC (323VAC – 528VAC)
Power: 1.5kw/2HP – 400kw/535HP
Specification of V5 VFD
|
Item |
Specification |
|
Input frequency |
50/60Hz |
|
Output frequency |
0-300Hz |
|
Overload current |
150% rated current 1min., 180% 10 sec., 200% 0.5 sec. |
|
Control mode |
sensor-less vector control, V/F control |
|
Starting torque |
180% 0.5Hz (180% 0.25Hz) |
|
Control precision |
±0.05% ( ±0.02%) |
|
Torque precision |
±5% |
|
Frequency setting mode |
Operation panel setting, terminal UP/DN setting, host computer communication setting, analog setting AI1/AI2/AI3, terminal pulse DI setting |
|
Efficiency |
At rated power, 7.5kW and below power class ≥93%, 45kW and below power class ≥95%, 55kW and above power class ≥98% |
|
Frequency setting signal |
-10V~+10V; 0~+10V; 0~20mA; 0.2Hz~50kHz |
|
Protection function |
Power supply undervoltage, overcurrent protection, overvoltage protection, interference protection, abnormal comparison reference input, auto-tuning failure, module protection, heatsink overtemperature protection, inverter overload protection, motor overload protection, peripheral protection, abnormal current detection, output to ground short circuit, abnormal power failure during operation, abnormal input power, output phase failure, abnormal EEPROM, abnormal relay contact, temperature sampling disconnection, encoder disconnection, abnormal +10V power supply output, abnormal analog input, motor overtemperature (PTC), abnormal communication, abnormal version compatibility, abnormal copying, abnormal expansion card connection, terminal mutual exclusion detection failure, hardware overload protection |
|
Enclosure |
IP20 |
|
Cooling mode |
forced air cooling |
|
Vibration |
3.5mm, 2~9Hz; 10 m/s2, 9~200Hz |
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