Inexpensive 15 hp (11 kW) VFD, three phase 230V/415V/480V, high performance variable frequency drive, RS485 enabled, brand new direct sale by manufacturer in China.
Delivery date: 6 - 12 days
15 hp (11 kW) variable frequency drive with good performance, three phase 230V, 415V, 480V for selection.
||15 hp (11 kW)
||3 phase 230V /415V /480V AC ±15% (Optional)
||3 phase AC 0~input voltage
|Over load capacity
||150% of rated current for 1 minute, 180% of rated current for 3 seconds
Sensorless vector control;
||150% of rating torque at 1 Hz
|Speed control accuracy
||≤±0.5% of rating synchronous speed
||Digital setting: max frequency x± 0.01%;
Analog setting: max frequency x± 0.2%
||Analog setting: 0.1% of max frequency;
Digital setting: 0.01Hz
||Automatic torque boost, manual torque boost 0.1%~30.0%
|Interior PID controller
||Be convenient to make closed-loop system
|Automatic energy save running
||Optimize V/F curve automatically based on the load to realize power save running
|Automatic voltage regulation (AVR)
||Can keep constant output voltage when power source voltage varies.
|Automatic current limiting
||Limit running current automatically to avoid frequent over-current which will cause trip
||–10℃~ +40℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5%
||5%-95%, without condensation
||≤1000m; VFD will be derated if above 1000m
|Impingement and oscillation
||Normal running:<5.9m/s2 (0.6g); Transportation:<15m/s2 (1.5g)
||–20℃~ +60℃; no dust, no corrosive gas, no direct sunlight
Tips: What's the lowest & highest frequency that a VFD can run?
This depends on what variable frequency drive (VFD) and what inverter you are using, most inverters will give you 0 Hz – 400 Hz frequency. However this must be matched by the VFD if your manufacturer has only rated and balanced the VFD to 50 Hz – 60 Hz then running it at 400 Hz would be catastrophic, similarly that same VFD wont enjoy low speeds of 15 Hz.
The normal operation depends on you process requirement, if your process requires 120 Hz then that's your normal operating speed, you may need to compensate for high torque in the process or ambient temperatures, these things can be factors in the actual speed you get in the control process.
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