Basic Info.
Model NO.
A901
Link of Transformation
AC-DC-AC Variable-Frequency Drive
Nature of DC Power
Current Variable-Frequency Drive
Function
Simple Type, Textile Special, Constant Torque Universal Type
Brand
Rbca
Speed Ratio
1:100
Max.Output Frequency
2000Hz
Control Method
V/F Control
Communciation
485 Communication
Environment Temp.
-10-50 Degree C
Braking Unit
Build-in
Output Frequency
50Hz/60Hz
Kw Range
0.75kw-30kw
Transport Package
Export Seaworthy Package
Trademark
RBCA
Origin
China
HS Code
85044090
Production Capacity
2000/Month
Product Description
1.3 Product series
| Voltage level | Rated power (KW) | Rated output current (A) | Adapter motor (KW) |
| 380V three-phase | 0.75 | 2.3 | 0.75 |
| 1.5 | 3.7 | 1.5 | |
| 2.2 | 5 | 2.2 | |
| 4.0 | 9 | 4 | |
| 5.5 | 13 | 5.5 | |
| 7.5 | 17 | 7.5 | |
| 11 | 24 | 11 | |
| 15 | 33 | 15 | |
| 18.5 | 39 | 18.5 | |
| 22 | 45 | 22 | |
| 30 | 62 | 30 | |
| 37 | 75 | 37 |
| INPUT | rated voltage, frequency | Three phase (4T# series ) 380V; 50/60Hz Single phase ( 2 S# series ) 220 V; 50/60Hz | |
| voltage allowed Range of change | Three phase (4T# series ) 320V ~ 460V Single-phase (2S# series ) 16 0V ~ 260 V | ||
| output | Voltage | 4T# series ; 0 ~ 460V 2S# series ; 0 ~ 260V | |
| frequency | Low frequency mode: 0~300Hz High frequency mode: 0~3000Hz | ||
| overload capacity | Model G: 110% long-term 150% 1 minute 180% 5 seconds P-type machine: 105% long-term 120% 1 minute 150% 1 second | ||
| control method | V/F control, advanced V/F control, V/F separation control, current vector control | ||
| Control characteristics | Frequency setting Resolution | Analog input | 0.1% of maximum output frequency |
| digital setting | 0.01Hz | ||
| Frequency accuracy | analog input | Within 0.2% of maximum output frequency | |
| digital input | Within 0.01% of the set output frequency | ||
| V/F Control | V/F curve (voltage frequency characteristic) | The reference frequency can be set arbitrarily between 5 and 600Hz, the multi-point V/F curve can be set arbitrarily, and various fixed curves such as constant torque, low reduction torque 1, low reduction torque 2, and square torque can also be selected. | |
| Torque boost | Manual setting: 0.0 to 30.0% of rated output Automatic lifting: automatically determine the lifting torque according to the output current and combined with the motor parameters | ||
| Automatic current and voltage limiting | No matter in the process of acceleration, deceleration or stable operation, the motor stator current and voltage are automatically detected, and they are suppressed within the allowable range according to a unique algorithm, minimizing the possibility of system fault tripping | ||
| Control characteristics | Sensor-less vector control | Voltage frequency characteristics | Automatically adjust output voltage-frequency ratio according to motor parameters and unique algorithm |
| Torque characteristics | Starting torque: 150% rated torque at 3.0Hz (VF control) 180% rated torque at 0.5Hz (current vector control without PG, flux vector control) 180% rated torque at 0.05Hz (with PG current vector control) Steady-state accuracy of running speed: ≤±0.2% rated synchronous speed Speed fluctuation: ≤±0.5% rated synchronous speed Torque response: ≤50ms with PG vector control, no PG vector control, magnetic flux vector control ≤20ms | ||
| Motor parameter self-determination | Without any restriction, the automatic detection of parameters can be completed under the static and dynamic conditions of the motor to obtain the best control effect | ||
| Current and Voltage Rejection | Full current closed-loop control, completely avoid current impact, with perfect over-current and over-voltage suppression function | ||
| running Under-voltage suppression | Especially for users with low grid voltage and frequent grid voltage fluctuations, even if the voltage is lower than the allowable voltage range, the system can maintain the longest possible running time according to the unique algorithm and residual energy distribution strategy | ||
| Typical function | multi-speed and Wobble operation | 16-segment programmable multi-segment speed control, multiple operation modes are optional. Wobble frequency operation: preset frequency, center frequency adjustable, state memory and recovery after power failure | |
| PID control RS485 communication | Built-in PID controller (preset frequency). Standard configuration RS485 communication function, a variety of communication protocols are optional, with linkage synchronization control function | ||
| Frequency setting | analog input | DC voltage 0~10V, DC current 0~20mA (upper and lower limit optional) | |
| digital input | Operation panel setting, RS485 interface setting, UP/DW terminal control, and various combination settings with analog input | ||
| output signal | digital output | 2 OC outputs and 1 fault relay output (TA, TB, TC), up to 16 meaning options | |
| Analog output | 2 channels of analog signal output, the output range can be set flexibly between 0~20mA or 0~10V, which can realize the output of physical quantities such as set frequency and output frequency | ||
| Automatic voltage stabilization operation | According to your needs, you can choose three ways: dynamic voltage regulation, static voltage regulation, and unregulated voltage to obtain the most stable operation effect. | ||
| acceleration, deceleration time setting | 0.1s~3600min can be set continuously, S type and linear mode are optional | ||
| brake | Dynamic braking | The starting voltage of dynamic braking, hysteresis voltage and dynamic braking rate are continuously adjustable | |
| DC braking | Start frequency of DC braking at stop: 0.00~F0.16upper limit frequency Braking time: 0.0~100.0s; Braking current: 0.0%~150.0% rated current | ||
| Flux Brake | 0~100 0: Invalid | ||
| low noise operation | The carrier frequency is continuously adjustable from 1.0KHz to 16.0KHz to minimize motor noise | ||
| Speed tracking speed restart function | It can realize smooth restart of running motor and restart after momentary power failure | ||
| counter | One internal counter for easy system integration | ||
| run function | Upper and lower limit frequency setting, frequency jump operation, reverse operation limit, slip frequency compensation, RS485 communication, frequency increase and decrease control, fault self-recovery operation, etc. | ||
1.4 Product technical indicators and specifications
| INPUT | rated voltage, frequency | Three phase (4T# series ) 380V; 50/60Hz Single phase ( 2 S# series ) 220 V; 50/60Hz | |
| voltage allowed Range of change | Three phase (4T# series ) 320V ~ 460V Single-phase (2S# series ) 16 0V ~ 260 V | ||
| output | Voltage | 4T# series ; 0 ~ 460V 2S# series ; 0 ~ 260V | |
| frequency | Low frequency mode: 0~300Hz High frequency mode: 0~3000Hz | ||
| overload capacity | Model G: 110% long-term 150% 1 minute 180% 5 seconds P-type machine: 105% long-term 120% 1 minute 150% 1 second | ||
| control method | V/F control, advanced V/F control, V/F separation control, current vector control | ||
| Control characteristics | Frequency setting Resolution | Analog input | 0.1% of maximum output frequency |
| digital setting | 0.01Hz | ||
| Frequency accuracy | analog input | Within 0.2% of maximum output frequency | |
| digital input | Within 0.01% of the set output frequency | ||
| V/F Control | V/F curve (voltage frequency characteristic) | The reference frequency can be set arbitrarily between 5 and 600Hz, the multi-point V/F curve can be set arbitrarily, and various fixed curves such as constant torque, low reduction torque 1, low reduction torque 2, and square torque can also be selected. | |
| Torque boost | Manual setting: 0.0 to 30.0% of rated output Automatic lifting: automatically determine the lifting torque according to the output current and combined with the motor parameters | ||
| Automatic current and voltage limiting | No matter in the process of acceleration, deceleration or stable operation, the motor stator current and voltage are automatically detected, and they are suppressed within the allowable range according to a unique algorithm, minimizing the possibility of system fault tripping | ||
| Control characteristics | Sensor-less vector control | Voltage frequency characteristics | Automatically adjust output voltage-frequency ratio according to motor parameters and unique algorithm |
| Torque characteristics | Starting torque: 150% rated torque at 3.0Hz (VF control) 180% rated torque at 0.5Hz (current vector control without PG, flux vector control) 180% rated torque at 0.05Hz (with PG current vector control) Steady-state accuracy of running speed: ≤±0.2% rated synchronous speed Speed fluctuation: ≤±0.5% rated synchronous speed Torque response: ≤50ms with PG vector control, no PG vector control, magnetic flux vector control ≤20ms | ||
| Motor parameter self-determination | Without any restriction, the automatic detection of parameters can be completed under the static and dynamic conditions of the motor to obtain the best control effect | ||
| Current and Voltage Rejection | Full current closed-loop control, completely avoid current impact, with perfect over-current and over-voltage suppression function | ||
| running Under-voltage suppression | Especially for users with low grid voltage and frequent grid voltage fluctuations, even if the voltage is lower than the allowable voltage range, the system can maintain the longest possible running time according to the unique algorithm and residual energy distribution strategy | ||
| Typical function | multi-speed and Wobble operation | 16-segment programmable multi-segment speed control, multiple operation modes are optional. Wobble frequency operation: preset frequency, center frequency adjustable, state memory and recovery after power failure | |
| PID control RS485 communication | Built-in PID controller (preset frequency). Standard configuration RS485 communication function, a variety of communication protocols are optional, with linkage synchronization control function | ||
| Frequency setting | analog input | DC voltage 0~10V, DC current 0~20mA (upper and lower limit optional) | |
| digital input | Operation panel setting, RS485 interface setting, UP/DW terminal control, and various combination settings with analog input | ||
| output signal | digital output | 2 OC outputs and 1 fault relay output (TA, TB, TC), up to 16 meaning options | |
| Analog output | 2 channels of analog signal output, the output range can be set flexibly between 0~20mA or 0~10V, which can realize the output of physical quantities such as set frequency and output frequency | ||
| Automatic voltage stabilization operation | According to your needs, you can choose three ways: dynamic voltage regulation, static voltage regulation, and unregulated voltage to obtain the most stable operation effect. | ||
| acceleration, deceleration time setting | 0.1s~3600min can be set continuously, S type and linear mode are optional | ||
| brake | Dynamic braking | The starting voltage of dynamic braking, hysteresis voltage and dynamic braking rate are continuously adjustable | |
| DC braking | Start frequency of DC braking at stop: 0.00~F0.16upper limit frequency Braking time: 0.0~100.0s; Braking current: 0.0%~150.0% rated current | ||
| Flux Brake | 0~100 0: Invalid | ||
| low noise operation | The carrier frequency is continuously adjustable from 1.0KHz to 16.0KHz to minimize motor noise | ||
| Speed tracking speed restart function | It can realize smooth restart of running motor and restart after momentary power failure | ||
| counter | One internal counter for easy system integration | ||
| run function | Upper and lower limit frequency setting, frequency jump operation, reverse operation limit, slip frequency compensation, RS485 communication, frequency increase and decrease control, fault self-recovery operation, etc. | ||
| show | Operation panel display | run state | Output frequency, output current, output voltage, motor speed, set frequency, module temperature, PID setting, feedback, analog input and output, etc. |
| Call the content | The last six fault records, the output frequency, set frequency, output current, output voltage, DC voltage, module temperature and other 6 operating parameters records when the latest fault trips | ||
| Protective function | Overcurrent, overvoltage, undervoltage, module failure, electronic thermal relay, overheating, short circuit, input and output phase loss, abnormal motor parameter tuning, internal memory failure, etc. | ||
| surroundings | ambient temperature | -10ºC~+50ºC | |
| ambient humidity | 5%~95%RH, no condensation | ||
| surroundings | Indoor (no direct sunlight, no corrosion, flammable gas, no oil mist, dust, etc.) | ||
| altitude | Derate usage above 1000 meters, derate 10% for every 1000 meters rise | ||
| structure | Protection class | IP20 | |
| cooling method | Air-cooled with fan control | ||
| Installation method | wall-mounted, cabinet | ||
| Voltage level | Inverter model | Power (kw) | Dimensions (mm) | Installation size (mm) | Packaging size (mm) | Net weight (kg) | ||||||
| W1 | H1 | D | W2 | H2 | Φ | long | width | high | ||||
| 380V three-phase | A901-4T0R75G | 0.75 | 78 | 170 | 125 | 60 | 161 | 5 | 195 | 132 | 172 | 1.06 |
| A901-4T01R5G | 1.5 | 1.06 | ||||||||||
| A901-4T02R2G | 2.2 | 1.1 | ||||||||||
| A901-4T0004G | 4 | 95 | 210 | 145 | 78 | 198 | 5 | 245 | 175 | 210 | 1.88 | |
| A901-4T05R5G | 5.5 | 1.91 | ||||||||||
| A901-4T07R5G | 7.5 | 140 | 240 | 178 | 130 | 230 | 5 | 300 | 210 | 250 | 3.14 | |
| A901-4T0011G | 11 | 3.36 | ||||||||||
Q 1: Are you trading company or manufacturer?
A1: We are MANUFACTURER
Q 2: How long is your lead time?
A2: Generally 3-7 days if the goods are in stock, or 15-20 days if the stocks are not enough, it is according to the order quantity.
Q3. What is your supply capacity?
A3: 400,000PCS/year.
Q4: What is the standard of package?
A4: Carton box or plywood case.
Q5: What's your warranty term?
A5: We offer 18 months warranty time.
Q6: What is your terms of payment ?
A6: We accept T/T (30% deposit, 70% balance), L/C, Western Union.
Q7: Do you provide samples? Is it free or extra ?
A7: Yes, we provide samples and charge for the samples with freight cost. The sample fees will be returned if the order quantity over 100pcs.
Q8:How does your factory control the quality?
A8:Quality is priority, we always attach importance to quality control from the beginning to the end of production, every product will be fully assembled and carefully tested before packing and shipping.
Q9: Can the inverter connect with computer?
A9: Yes. All inverters have built-in RS485 communication
Q10: Do you support OEM service?
A10: Yes, we support OEM. For some items we have MOQ. For more questions, feel free to send us inquiry.