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                          3 hp VFD, Single Phase to Three Phase VFD

                          5 out of 5 based on 1 reviews | Write a review
                          $238.14
                          Low price 3hp VFD, convert 220V/230V/240V 1 phase to 3 phase, 10amps, RS485 enabled, shipping weight 3kg, manufacturer direct sale.
                          SKU: GK3000-2S0022
                          Free Shipping Worldwide
                          Delivery date: 6-20 days

                          3hp variable frequency drive, 2.2kW, single phase 220V-240V to three phase VFD, 10 amps.

                          Specification:

                          Basics Model GK3000-2S0022
                          Capacity 3 hp (2.2 kW)
                          Shipping weight 3 kg
                          Dimension 184*98*135 mm
                          I/O Feature Rated current 10 A
                          Input voltage 1 phase 220~240V AC ±15%
                          Input frequency 50Hz/ 60Hz
                          Output voltage 3 phase AC 0~input voltage
                          Output frequency 0.00~400.00Hz
                          Over load capacity 150% of rated current for 1 minute, 180% of rated current for 3 seconds
                          Control Feature Control mode V/F control;
                          Sensorless vector control;
                          Communication RS485
                          Speed regulation 1:100
                          Start torque 150% of rating torque at 1 Hz
                          Speed control accuracy ≤±0.5% of rating synchronous speed
                          Frequency precision Digital setting: max frequency x± 0.01%;
                          Analog setting: max frequency x± 0.2%
                          Frequency resolution Analog setting: 0.1% of max frequency;
                          Digital setting: 0.01Hz
                          Torque boost 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
                          Environment Enclosure rating IP 20
                          Temperature –10℃~ +40℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5%
                          Humidity 5%-95%, without condensation
                          Altitude ≤1000m; VFD will be derated if above 1000m
                          Impingement and oscillation Normal running:<5.9m/s2 (0.6g); Transportation:<15m/s2 (1.5g)
                          Store environment –20℃~ +60℃; no dust, no corrosive gas, no direct sunlight

                          Tips: Variable frequency drive overcurrent
                          Overcurrent is the most frequent alarm phenomenon of VFD.

                          3d图库A. Phenomenon

                          1. When restarting, VFD trips once speed up. This is a very serious phenomenon of overcurrent. The main reasons are: Load short circuit, mechanical parts stuck, inverter module damaged, and smaller motor torque and so on.
                          2. Tripping after power on. This phenomenon cannot be reset. The main reasons are: Module broken, bad driving circuit, and bad current detection circuit.
                          3. The tripping is not happening when restart but when accelerating, the main reasons are: Acceleration time setting is too short, current upper limit setting is too small, and the torque compensation (V/F) setting is too high.

                          B. Maintenance examples

                          1. The VFD displays "OC" once starting.
                            Open the cover and don't find any signs of burn out. Online measure IGBT finds no problems. In order to further determine the problem, disassemble the IGBT and measure the seven high-power transistors, the opening and closing are good. When measuring the upper half of the bridge drive circuit, find a circuit is obviously different with the other two. After careful inspection, find an optocoupler A3120 output pin and negative power supply short circuit. Replace it and test again, three circuits are the same. Finally install IGBT and everything running well.
                          2. A 3 hp VFD displays "OC" and cannot be reset.
                            First check the inverter module but don't find the problem. Second, check the drive circuit and find no abnormal phenomenon. It is estimated that the problem is not here, and may be in the part of over-current signal processing. Remove the circuit sensor and then power on showing everything is normal, so the sensor has been broken. After replaced with a new sensor, the on-load experiment shows everything normal.
                          Existing reviews of 3 hp VFD, Single Phase to Three Phase VFD
                          Works great, excellent vfd.
                          I received my VFD in a few days and it took me a while to set up the power, but now it is up and running. This 3 hp VFD is better than described, I waited to review till I had it fully installed and cutting. Manual is very well written, and each word and diagram is important to study.
                          From: David | Date: 05/09/2018
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