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High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors
High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors
High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors
High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors
High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors
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High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors
High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors
High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors
High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors
High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors

High Efficiency Low Voltage Frequency Inverter VFD for Air Compressors

Customization: Available
Application: Three Phase Transducer
Output Type: Triple
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Product Description

Overview & Basic Info
Model NO.
AOKO-E7-H-228
Principle of Work
V/F Control Transducer
Switch Mode
PWM Control
Main Circuit Type
Voltage
Voltage of Power Supply
Low Voltage Drive
Link of Transformation
AC-DC-AC
Input Voltage
Three Phase 380V-440V
Output Voltage
Three Phase 380V-440V
Output Frequency
0-600Hz
Production Capacity
200PC/M
Product Details

Current Vector Control: Adjust motor parameters online according to the motor's operating status to achieve optimal control of the motor.

Large Speed Range Output frequency 0 to 3000Hz.
Adaptive Acceleration and Deceleration Intelligently adjust rates based on load operating status.
Excellent Performance Outstanding current/voltage control technology ensuring stable and jump-free operation.
Low Voltage Frequency Inverter
Technical Specifications
Category Function Description Specification Index
Basic Functions Maximum Frequency Vector: 0-300Hz; V/F: 0-3000Hz
Carrier Frequency 1kHz - 16kHz (Auto-adjustable)
Control Method Open Loop Vector Control (SVC) / V/F Control
Starting Torque 0.5Hz / 150% (SVC)
Overload Capacity 150% rated current for 60s; 180% for 1s
Operation Command Source Panel, Control terminal, Serial communication
Frequency Source Digital, Analog voltage/current, Pulse, Serial port
Input Terminals 8 Digital (1 High-speed 100kHz), 2 Analog (0-10V/0-20mA)
Protection Functions Phase loss, Overcurrent, Overvoltage, Undervoltage, Overheating, Overload
Core Features
  • • Impact-Free Speed Tracking: Identifies speed, direction, and phase within 0.2s for smooth startup.
  • • Uninterrupted Operation: Uses feedback energy during brief power outages to maintain run-time.
  • • Intelligent Flux Braking: Minimizes deceleration time based on motor conditions.
  • • Energy-Saving: Assessment of energy-saving strength to minimize consumption.
  • • Communication: Standard MODBUS protocol for easy PLC and network integration.
  • • Hot-Swap Options: Supports direct hot-swapping of RS485 cards and panels.
Certifications
Production & Quality Control

Advanced production infrastructure including ESD-protected clean rooms and modular assembly platforms. Rigorous quality control ensures product reliability through PCBA testing, intelligent aging tests, and 10KV medium-voltage validation.

Production Facility Inverter Components Testing Lab
Frequently Asked Questions
What is the output frequency range of this inverter?
The inverter supports a wide frequency range, with V/F control capable of 0 to 3000Hz and Vector control up to 300Hz.
How does the inverter handle instantaneous power failure?
It features "Instant stop without stopping," which compensates for voltage drops by feeding back energy from the load, allowing continued operation for a short time.
What communication protocols are supported?
The unit supports the internationally standard MODBUS-RTU protocol via an RS485 field bus for easy integration with industrial networks.
Does the device offer motor protection?
Yes, it includes comprehensive protection for input/output phase loss, overcurrent, overvoltage, undervoltage, overheating, and overload.
Can I copy parameters between different units?
Yes, parameters can be quickly copied through the operation panel to streamline setup for multiple installations.
What is the torque capability at low frequencies?
Under Open Loop Vector Control (SVC), the inverter provides a starting torque of 150% at just 0.5Hz.

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