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In a real factory, compressed air consumption rarely stays at the same level throughout the day. Some machines may require a continuous air supply, while others only use compressed air during specific production stages. As production schedules, equipment operation, and output change, the factory's compressed air demand changes with them.

In modern factories, compressed air is often considered the “fourth utility” after electricity, water, and gas. From automotive manufacturing and electronics production to food processing and pharmaceutical industries, stable compressed air supply directly affects production efficiency and operating costs. However, traditional fixed-speed screw air compressors usually run at a constant motor speed, even when air demand changes, which can lead to unnecessary energy consumption.

If you manage a production facility, you already know that compressed air is often referred to as the "fourth utility"—right up there with electricity, water, and gas. It's essential, invisible, and remarkably expensive to produce. In many manufacturing plants, air compressors account for 15% to 40% of total electricity consumption, making them one of the largest single electrical loads on the factory floor.

Compressed air is widely recognized as the "fourth utility" in industrial manufacturing, accounting for approximately 10–15% of total industrial electricity consumption worldwide. Despite its ubiquity, conventional single-stage screw compressors operate with considerable energy losses attributable to high compression ratios, internal leakage, and inefficient load control strategies (typically load/unload or inlet modulation).

In industrial manufacturing, compressed air is often called the "second most important power source" after electricity. But this power doesn't come cheap—in many plants, air compressor systems can account for 10% to 50% of total electricity costs. With carbon neutrality goals tightening and energy prices soaring, turning your compressor room from an "energy guzzler" into a "efficiency champion" has become a strategic imperative.

Good news keeps coming — Yuzhen has successfully completed the delivery and commissioning of a complete two-stage permanent magnet variable frequency screw air compressor system in Thailand. The equipment has now been officially put into operation on the customer’s production line. The system features Hanbell’s self-developed two-stage compression unit, combined with an IE5 ultra-high efficiency permanent magnet motor and integrated coaxial direct drive, forming a complete high-efficiency air supply chain from the air source to the point of use.