Description
3 hp (2.2 kW) VFD, single phase input & output, single phase to three phase, 110v-120v input, 220v-240v output.
Specification:
| Basics | Model | EM15-SP1S1-2d2 |
| Capacity | 3 hp (2.2 kW) | |
| Shipping weight | 3 kg | |
| Dimension (W x H x D) | 120*205*166 mm | |
| I/O Feature | Rated current | 10 A |
| Input voltage | 1 phase 120V AC ±15% (Set FE-00=0) | |
| Input frequency | 50Hz/60Hz | |
| Output voltage | 1 phase or 3 phase 220V AC ±15% | |
| Output frequency | 0~320Hz (SFC) | |
| Control Feature | Control mode | V/F control; vector control |
| Communication | Offer RS485 communication interface, support MODBUS-RTU communication protocol | |
| 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 | smaller than 95%RH, non-condensation | |
| Altitude | ≤1000m; VFD will be derated if above 1000m | |
| Vibration | Less than 5.9 m/s2 (0.6 g) | |
| Cooling | forced air cooling | |
| Store environment | –20℃~ +60℃; no dust, no corrosive gas, no direct sunlight |
Note: ATO VFD Cannot be used as a power source, it Can only be directly connected to an induction motor to control the motor speed.
Tips: Running a 3-phase motor from single phase supply
Details
If you want to connect a 3-phase motor to a single phase power supply, then you have several solutions:
- Professional: use a VFD with single phase input and convert to 3-phase output, this is generally available for low power VFD (few horsepower).
- Professional: apply a specially wound transformer that also mimic a 3-phase system from a single phase power supply. Expect difficulties to source and high price.
- DIY: calculate a capacitor that will be connected between the remaining phases, such to apply it a phase shift and to mimic a 3-phase system.
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