Introduction: AS M21 series inverter is a universal inverter designed for China's small power segment motor speed control market, with typical VF control technology, but also using no speed sensor vector control technology, the product integrates Germany technology, Chinese manufacturing technology, light and heavy load integration, combined with the application characteristics of domestic small power motor speed regulation, to further strengthen the reliability of the product, environmental adaptability, can well meet the application needs of various small power segment transmission.
Features:
The high-efficiency and energy-saving operation mode can effectively reduce the motor loss and achieve the maximum power saving rate.
Fast dynamic response, using advanced motor model control, even without PG card can quickly respond to sudden changes in load.
The internal temperature of the IGBT is dynamically calculated to ensure that the module operates under the temperature rise limit
Product parameters
Power input
Input voltage: 380-440V (-15% - +10%), three-phase power supply
Input frequency: 45 -65Hz
Instantaneous current drop: When the three-phase AC3B0-440V power supply is < the input voltage is AC300V, the undervoltage protection is protected after 15ms
Power output
Voltage: OVAC – Input voltage
Overload level: 120% for light load, 1min/10min
Efficiency (full load): ≥ 0.94
Output Frequency Accuracy: +0.1% (Digital Command-10- +45C) ; +0.1% (analog 25+10°C)
Control characteristics
Carrier frequency: 1.1-8 kHz
Frequency setting resolution: 0.01Hz (digital command), +0.06Hz/120Hz (analog command 1bit + unsigned)
Running command channel: operation panel given, control terminal given, communication given
Frequency given channel: operation panel given, digital/analog given, communication given, functional function given
Torque Lift: Automatic Torque Lifting; Manual torque lifting
V/F curves: User-defined V/F curves, linear V/F curves and 3 variable torque characteristic curves
Automatic Voltage Adjustment (AVR): Automatically adjusts the duty cycle of the output PWM signal according to the fluctuation of the bus voltage, thereby mitigating the fluctuation of the grid voltage
Effect of output voltage fluctuations
Instantaneous stop and non-stop processing: when the power is instantaneous, the bus voltage control is used to achieve uninterrupted operation
DC braking capacity: braking current: 00 —— 120.0% rated current
Process PID: It can be used for closed-loop control of process quantities
Common DC bus: The whole series can realize the power supply of multiple inverters sharing the DC bus
Over-current and over-voltage frequency reduction function: when the output current and bus voltage exceed the preset value, the frequency reduction operation of the inverter is implemented.
Sensor alarm function: when the temperature and liquid level sensor detection value exceeds the set protection threshold and holds for 10s, the inverter will alarm and stop
Use environment
Ambient temperature: -10-+45°C
Temperature derating use: >45°C, 19% reduction in rated output current for every 1°C increase, up to 50°C
Altitude: <1000m
Altitude derating use: > 1000m, 2% reduction in rated output current for every 100m increase (up to 3000m)
Ambient humidity: 5 - 95%, no condensation allowed
Storage temperature: -40-+70°C
Degree of protection: IP20
Installation: wall-mounted type in the cabinet
The company respects the enterprise spirit of "practicality, hard work and responsibility", and creates a good corporate environment with integrity, win-win, and business philosophy, and takes a new management model, perfect technology, thoughtful service, and excellent quality as the foundation for survival. We always adhere to: customer first, serve customers attentively, and insist on impressing customers with their own services. Always adhering to the business philosophy of "integrity, win-win", relying on excellent prices, excellent quality, fast delivery and pre-sales consultation and after-sales service to win the trust of our customers.
This article introduces the new Shida/STEP universal inverter AS-M21 input voltage 380-440V products, if you are interested in the new Shida/STEP inverter, please also contact our customer service, we are looking forward to your call, hope our technology and service can bring you a better experience.
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