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| Application: | High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer |
| Output Type: | Triple |
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ES300 Sensorless Vector Control VFD
ES300 series VFD has excellent open-loop vector control performance and integrates torque control and speed control,
with a variety of functions such as simple water supply, instantaneous power loss without shutdown, etc. The full series
supports common DC bus, and the products are highly reliable, which can better meet various requirements of
different customers.
AC 3PH 220V~240V 0.75~200kW
AC 3PH 380V~415V 0.75~710kW
Application:
Fan, water pump, air compressor, municipal water supply and heating, machine tool, centrifuge, conveyor belt, mixer, ceramic machinery, glass machinery, woodworking, petrochemical, plastic machinery, industrial washing, simple hoisting equipment, etc., for asynchronous motor driving.
1. Advanced open-loop vector control performance
Starting torque 0.5Hz/150%, speed control ratio 1:200, dynamic response < 20ms, speed control accuracy ± 0.5%.
2. Fast current limiting
When exceeding the limit, the current can be quickly limited to within the limit, avoiding frequent overcurrent alarms caused by sudden loads or disturbances.
3. Unique speed tracking
Requiring no special hardware detection circuit, it can track the motor speed and direction quickly without any impact. It is especially suitable for fans, pumps and other
equipment that requires speed tracking.
4. Overexcitation function
Rapid braking effect can be achieved without adding external brake resistors and other accessories; It can suppress the rise of bus voltage during deceleration to avoid frequent over-voltage fault alarms. Additionally, it can brake quickly, meeting the requirement of quick stopping at shutdown.
5. Instantaneous power loss without shutdown
In the event of a momentary power failure or sudden voltage drop, the VFD reduces the output speed and compensates for the voltage drop by feeding energy back through the load, so as to maintain the drive in operation for a short period of time.
6. Designed with extended service life
Refined design with long service life devices, to ensure the health and stability of the product throughout its life cycle;
The unique conformal coating automatic spraying process increases the environmental resistance of a single board and comprehensively improves the protection of a single board.
7. Reliable thermal design
The computer thermal simulation method is used to analyze the temperature of each monitoring point, and the maximum temperature rise inside the product is estimated
according to the air velocity field diagram and temperature field diagram, which provides a quantitative basis for the reasonable structure of the product.
8. Independent airduct design, resistant to various harsh pollution environment
The independent airduct design can effectively prevent dust from entering the VFD which may cause short circuit and other faults, and improve reliability;
Long-life cooling fans with large air volume are selected to effectively reduce the temperature rise of the VFD and ensure reliable and stable operation of the VFD.
| Technical Item | Specification | |
| Basic function |
Output frequency | Vector control: 0~500Hz V/f control: 0~3200Hz |
| Control mode | V/f control Sensorless vector control (SVC) |
|
| Carrier frequency | 0.8kHz~12kHz, automatically adjusted based on the load characteristics | |
| Input frequency resolution | Digital setting: 0.01Hz Analog setting: maximum frequency * 0.025% |
|
| Starting torque | G type: 0.5Hz/150% P type: 0.5Hz/100% |
|
| Speed adjustment range |
1:100 (SVC) | |
| Speed stability accuracy | ±0.5% (SVC) | |
| Overload capacity |
G type: 150% 60s; 180% 3s P type: 120% 60s; 150% 3s |
|
| Torque boost | Automatic torque boost; manual torque boost 0.1%~30.0% | |
| V/f curve | Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square) |
|
| V/f separation | 2 modes: complete separation, half separation | |
| Acceleration/ deceleration mode |
Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~6500.0s | |
| DC braking | DC braking frequency: 0.00Hz~maximum frequency Braking time: 0.0s~36.0s Braking action current value: 0.0%~100.0% |
|
| Jog control | Jog frequency range: 0.00Hz~50.00Hz Jog acceleration/deceleration time: 0.0s~6500.0s |
|
| Simple PLC & multi-step speed operation | It can realize up to 16 steps speed via the built-in PLC function or control terminal. | |
| Built-in PID | Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.) | |
| Automatic voltage Regulation (AVR) |
Automatically maintain a constant output voltage when grid voltage changes | |
| Common DC bus | Common DC bus for several inverters, energy balanced automatically | |
| Overvoltage & overcurrent stall control | Automatically limit the current and voltage during the operation, prevent frequent overcurrent and overvoltage trip | |
| Rapid current limit | Minimizing overcurrent fault, protect the normal operation of inverter | |
| Torque limit & control | "Excavator" characteristics, automatically limit the torque during the operation, prevent frequent overcurrent trip; torque control can be achieved on close-loop vector control mode. |
|
| Fault protection function | Overcurrent, overvoltage, under-voltage, overheating, default phase, overload, short-circuit, etc., can record the detailed running status during failure & has fault automatic reset function | |
| Individualized function |
Non-stop when instantaneous power off |
The load feedback energy compensates the voltage reduction when instantaneous power off, so that the AC drive can continue to run for a short time. |
| Virtual IO | Five groups of virtual DI/DO can realize simple logic control. | |
| Timing control | Time range: 0.0min~6500.0min | |
| Multi-motor switching | 2 groups of motor parameters, arbitrary switching between 2 motors | |
| Communication protocol |
Standard MODBUS (RS-485) | |
| Operation | Running command source | Keypad control Terminal control Serial communication control |
| Frequency source | Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combined & switched in various modes. | |
| Auxiliary frequency source |
There are ten auxiliary frequency sources. It can implement fine tuning and frequency synthesis. |
|
| Input terminal | 6 digital input (DI1~DI6), DI6 supports max. 100 kHz high-speed pulse input. 2 analog input: AI1: 0~10V AI2: 0~10V or 4~20mA |
|
| Output terminal | 1 output (FM), optional for open collector output or high-speed pulse output (0~100kHz) 1 relay output 1 analog output: AO: 0~10V or 0/4~20mA |
|
| Environment | Altitude | Less than 1000m; rises each 1000m, derates 10% to use |
| Ambient temperature | -10ºC~+40ºC (if 40ºC~50ºC, please derate to use) | |
| Humidity | Less than 95%RH, no water condenses | |
| Storage temperature | -20ºC~+60ºC | |
Wiring Diagram
Selection Guide
| Model No. | Rated Power | Rated Power | Rated Output Current |
| (kW) | (HP) | (A) | |
| 3AC 220V/230V/240V -15%~15% | |||
| ES230-2T0.4GB | 0.4 | 0.5 | 2.1 |
| ES230-2T0.75GB | 0.75 | 1 | 3.8 |
| ES230-2T1.5GB | 1.5 | 2 | 6.8 |
| ES230-2T2.2GB | 2.2 | 3 | 9 |
| ES230-2T3.7GB | 3.7 | 5 | 17 |
| ES230-2T5.5GB | 5.5 | 7.5 | 25 |
| ES300-2T7.5GB | 7.5 | 10 | 32 |
| ES300-2T11GB | 11 | 15 | 45 |
| ES300-2T15G | 15 | 20 | 60 |
| ES300-2T18.5G | 18.5 | 25 | 75 |
| ES300-2T22G | 22 | 30 | 91 |
| ES300-2T30G | 30 | 40 | 112 |
| ES300-2T37G | 37 | 50 | 150 |
| ES300-2T45G | 45 | 60 | 176 |
| ES300-2T55G | 55 | 75 | 210 |
| ES300-2T75G | 75 | 100 | 304 |
| ES300-2T90G | 90 | 125 | 340 |
| ES300-2T110G | 110 | 150 | 426 |
Q1: Can I have a sample order?
A1: Yes, we welcome sample order to test and verify the quality and performance. Mixed model samples are acceptable too.
Q2: Do you have any MOQ limit?
A2: NO MOQ. Please just send us inquiry.
Q3: What is the lead time?
A3: We have some stock for common models. Common model samples take 1-3 days; bulk orders take 3-10 working days. Uncommon models take 20-30 working days and depends on the actual situation of the production line.
Q4: Do you offer warranty for the products?
A4: Yes, we provide 18 months warranty for the failure or damage under normal use conditions. If the equipment has been used for over 18 months, reasonable repair expenses will be charged.
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