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Astro 0.75K ~22KW ( Variable Frequency Drive )
Astro variable frequency drive is suitable for a variety of industrial applications. It is well applicable in all electrical industrial equipment built with motors, like manufacturing equipment, compressor, elevator, ectopic. Its reliable SVC vector control and stable operation speed can optimize motor performance and extend its lifecycle, also saving your cost. The Astro features a faster acceleration/deceleration, faster reacting to load change, and proactive responding while power shedding.
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Models Selection Guide
| Rated Parameters | |||||
| MODEL | Nominal Capacity (KVA) | Input Current (A) | Output Current (A) | Applicable Motor Output (KW) | Applicable Motor Output (HP) |
| Single Phase 220V 50/60Hz | |||||
| Astro 0.75G-S2 | 1.5 | 8.2 | 4 | 0.75 | 1 |
| Astro 1.5G-S2 | 3 | 14 | 7 | 1.5 | 2 |
| Astro 2.2G-S2 | 4 | 23 | 9.6 | 2.2 | 3 |
| 3-Phase 380V 50/60Hz | |||||
| Astro 0.75G-T4 | 1.5 | 3.4 | 2.1 | 0.75 | 1 |
| Astro 1.5G-T4 | 3 | 5 | 3.8 | 1.5 | 2 |
| Astro 2.2G-T4 | 4 | 5.8 | 5.1 | 2.2 | 3 |
| Astro 3.7G-T4 | 6 | 10.5 | 9 | 3.7 | 5 |
| Astro 5.5G-T4 | 11 | 13.9 | 13 | 5.5 | 7.5 |
| Astro 7.5G-T4 | 15 | 18.9 | 17 | 7.5 | 10 |
| Astro 11G/15P-T4 | 30 | 27.8 | 25 | 11 | 15 |
| Astro 15G/18.5P-T4 | 37 | 37.9 | 32 | 15 | 20 |
| Astro 18.5G/22P-T4 | 44 | 46.7 | 37 | 18.5 | 25 |
| Astro 22G/30P-T4 | 60 | 55.6 | 45 | 22 | 30 |
Product Specifications
| Model | 0.75K-3.7K | 5.5K-22K |
| INPUT | ||
| Input Voltage | AC,1PH,220V(-15%)~240V(+10%) AC,3PH,380V(-15%)~440V(+10%) | AC, 3PH, 380V(-15%) ～ 480V(+10%) |
| Rated Frequency | 50/60 Hz | |
| Frequency Range | ±5% (47.5 ~ 63Hz) | |
| OUTPUT | ||
| Output Voltage | 0- Input Voltage | |
| Maximum Output Frequency | 0.1 ~ 500HZ | |
| Output Power | Please refer to Rated Parameter table | |
| Output Current | Please refer to Rated Parameter table | |
| BASIC PARAMETERS | ||
| Highest frequency | Vector control: 0 ～ 500Hz | Vector control: 0 ～ 320Hz |
| V/F control: 0 ～ 500Hz | ||
| Carrier frequency | 0.8KHz~8KHz (Support up to 16KHz carrier frequency) | 0.8KHz~16KHz |
| Adjusted automatically according to the load characteristics | ||
| Input frequency resolution | Digital setting: 0.01Hz | |
| Analog setting: Highest frequency×0.025% | ||
| Control mode | Open-loop vector control (SVC) V/F control | Close-loop vector control (FVC) Open-loop vector control (SVC), V/F control |
| Starting torque | 0.5Hz/150%（SVC） | 0.5Hz/150%（SVC）; 0Hz / 180% (FVC) |
| Adjustable speed ratio | 1：100（SVC） | 1：100（SVC）; 1：1000 (FVC) |
| Speed control accuracy | ±0.5%（SVC） | ±0.5%（SVC）; ±0.02% (FVC) |
| Overload capability | 150% of rated current: 60 seconds 170% of rated current: 12 seconds 190% of rated current: 1.5 seconds | 150% of rated current: 60 seconds 220% of rated current: 1 second |
| Torque boost | Auto torque boost; Range of manual torque boost 0.1%~30.0% | |
| V/F curve | Three types: Linear, Multi-point, square curve | |
| (1.2 power, 1.4 power, 1.6 power, 1.8 power, 2 power) | ||
| V/F separation | Full separation, Half separation | |
| Acceleration and deceleration time | Linear and S-curve acceleration and deceleration modes available. The range of acceleration and deceleration time is 0.0~6500.0s. | Linear and S-curve acceleration and deceleration modes available. Four kinds of acceleration and deceleration time,The range of acceleration and deceleration time is 0.0~6500.0s. |
| DC braking | DC braking frequency: 0.00Hz ~ Maximum frequency | |
| Braking time: 0.0s~36.0s | ||
| Braking current value: 0.0%~100.0% | ||
| JOG control | JOG frequency range: 0.00Hz ~ Maximum frequency (5Hz in default). JOG acceleration and deceleration time: 0.0s~6500.0s. | |
| Built-in PID | Simplify the establishment of a closed-loop control system | |
| Automatic voltage regulation (AVR) | Keep the output voltage in stable when the grid voltage fluctuates. | |
Stall prevention from overvoltage and overcurrent | The current and voltage are limited automatically during operation to prevent frequent tripping due to over-current and over-voltage. | |
| Rapid current limit | Reduce the risk of over-current faults to keep VFD operated normally. | |
| Torque limit and control | Limit the torque automatically during operation to prevent frequent tripping due to over-current. | |
| Brake unit | Built-in braking unit for 22KW and below models | |
| SPECIAL FEATURES | ||
| Deceleration to stop | In case of power loss, the energy from load feedback is used to compensate and decelerate the motor until standstill, to prevent mechanical damage. | |
| Rapid current limit | Reduce the risk of over-current faults to keep VFD operated normally. | |
| Timer control | Setting range: 0.0Min ~ 6500.0Min | |
| Communication | Modbus | Modbus、CANLink、CANOpen、 Profibus-DP、ProfiNET |
| INPUT/OUTPUT | ||
| Command source | Operation panel, control terminal and serial communication port. | |
| Frequency source | Digital setting, Analog voltage setting, Analog current setting, Pulse setting and Serial port setting. | Keyboard setting (saving/not saving when power-off), analog voltage setting, analog current setting, pulse setting, serial port setting, panel encoder setting, multi-speed running setting, simple PLC setting, PID setting, analog A13 setting (key knob). |
| Auxiliary frequency source | 5 options to provide flexible auxiliary frequency fine-tuning and frequency synthesis. | 10 options to provide flexible auxiliary frequency fine- tuning and frequency synthesis. |
| Input terminals | 4 digital input terminals, one of which supports high-frequency pulse input up to 50kHz | 7 digital input terminals, one of which supports high- speed pulse input up to 100kHz |
| 1 analog input terminal supporting 0 ~ 10V voltage input or 0 ~ 20mA current input | 2 analog input terminals, support 0 ～ 10V voltage input or 0 ～ 20mA current input | |
| 1 rotary potentiometer analog input | ||
| Output terminals | 1 high-speed pulse output terminal supporting 50kHz step-wave signal output | 1 high-speed pulse output terminal, support 100kHz square wave signal output |
| 1 relay output terminal | 1 digital output terminal | |
| 1 analog output terminal supporting 0~20mA current output or 0~10V voltage output | 2 analog output terminals, support 0~20mA current output or 0~10V voltage output | |
| DISPLAY BUTTONS | ||
| Keypad | 0.75K-3.7K model: standard keypad (Optional detachable keypad can be purchased seperately) | |
| 5.5K-22K model: standard detachable keypad | ||
| Copy parameters (Only for 5.5-22K model) | Parameters can be copied through the standard external keyboard | |
| LED display | Display parameters | |
| Key lock and function selections | It allows users to partially or fully lock the keys or define operated range for partial keys to prevent misoperation | |
| Protective function | Motor short-circuit detection at power-on, output phase loss protection, over-current protection, over-voltage protection, under-voltage protection, overheat protection, overload protection and etc. | |
| ENVIRONMENT | ||
| Storage temperature | -20°C ~ 60°C | |
| Operation temperature | -10°C ~ 50°C (If temperarture is higher than 40°C, the output capacity will be derated 1% per 1°C increase) | |
| Storage humidity | ＜ 90%RH | |
| Operation humidity | ＜ 90%RH | |
| Noise Level | 50dBA max. | |
| STANDARD | ||
| EMC | Standards:IEC 61800-3, C3 | |
| Safety | Standards:IEC 61800-5-1 | |
| INTERACE | ||
| Communication Port | RS-485 | |
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