ODM Air Compressor Inverter Control Cabinet Energy Saving VFD Panel Box

ACI DLT Series Air Compressors Dedicated Energy-Saving Cabinet

The dedicated energy-saving cabinet for air compressors is an energy-saving control device designed for air compressor systems. By optimizing motor operation and gas supply pressure control, it significantly reduces the electrical energy consumption of air compressors

I. Working Principle
Air compressor motors operate in alternating "loaded" and "unloaded" states. When the air pressure reaches the upper limit, the motor enters an unloaded state, wasting electricity. The energy-saving cabinet uses a pressure sensor to monitor air pressure in real time, transmitting data to a central processing unit (CPU). The CPU compares the set value with the real-time value and sends instructions to the frequency converter to adjust the motor speed, stabilizing the air supply pressure within the target range and eliminating energy waste during unloaded operation.

II. Technical Features

1. Intelligent Constant Pressure Control
   Transforms upper/lower pressure limit control into constant pressure control, ensuring output power precisely matches demand. This reduces high-energy losses in overpressure zones and avoids inefficient unloaded or idling states, achieving energy savings of 10%–30%.

2. Improved Power Factor
   Raises the power factor from 0.7–0.8 to over 0.96, reducing reactive current and line losses, and enhancing grid quality and power supply efficiency. This effectively increases the capacity of the power supply equipment.

3. Soft Start and Protection
   Enables smooth, impact-free starting, reducing stress on the motor and grid, extending motor lifespan, and providing multiple protections (overcurrent, overload, overvoltage, undervoltage, etc.).

4. Noise Reduction and Environmental Improvement
   Reduces equipment noise by approximately 10 dB, ensuring smoother operation and improving the working environment.

5. Bypass/Energy-Saving Switching Function
   Facilitates switching between energy-saving and bypass modes, ensuring production stability.

III. Application Benefits

1. Significant Energy Savings
   A case study shows that a 250 kW air compressor equipped with the cabinet saved 52 kWh per hour, reducing annual electricity costs by approximately 360,000 yuan. For a factory with four 200 kW–280 kW compressors, annual savings exceeded 1 million yuan, totaling over 10 million yuan in 10 years.

2. Optimized Air Supply Quality
   The closed-loop control system maintains constant pressure and on-demand air supply, preventing damage to pipelines caused by excessive pressure and reducing maintenance costs.

3. Extended Equipment Lifespan
   Soft starting and intelligent control reduce wear and tear, prolonging the service life of air compressors and related components.

IV. Product Advantages

1. High Intelligence
   Digital control ensures ease of operation, with RS-485 communication interfaces and standard protocols supporting equipment upgrades and remote control.

2. Simple Installation and Maintenance
   Fewer peripheral components and plug-and-play terminals simplify installation and maintenance. Ergonomic design enhances operational comfort.

3. Wide Applicability
   Suitable for industries such as textiles, papermaking, machinery, petrochemicals, power, cement, and food processing, as well as public venues like shopping malls, hospitals, and schools.

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