How Are Large Industrial UPS Systems Different from General-Purpose UPS Systems?

The choice of a UPS (Uninterruptible Power Supply) depends on its intended purpose and use. Large industrial UPS systems are designed for businesses and factories requiring high stability and durability. On the other hand, smaller general-purpose UPS systems are suitable for homes or offices with moderate power backup needs. But aside from these basic differences, what sets industrial UPS systems apart from household ones? Let’s find out.

General-Purpose UPS Systems

Smaller UPS units designed for everyday use are typically meant for households, small offices, or locations with minimal power backup requirements. They are commonly used with personal computers or home electronics. These units are compact, easy to install, space-saving, and ready to use immediately. They are also affordable and offer basic functions to provide temporary backup power during outages, allowing users to safely shut down their devices.

However, these units have limitations. They can only provide power for a few minutes, are not built for demanding environments, and may lack advanced voltage fluctuation protection. Thus, they are best suited for users needing temporary power backup.

Industrial UPS Systems

Industrial UPS systems are engineered for environments requiring high reliability, such as factories, hospitals, or data centers. These systems are highly durable and efficient, capable of functioning in harsh conditions involving heat, humidity, and dust.

They provide extended power backup, handle electrical fluctuations effectively, and include sophisticated energy management systems. These features allow users to monitor and control the system through a network, ensuring efficient status updates and maintenance. Industrial UPS systems are ideal for businesses requiring uninterrupted operations and protection against electrical issues.

Examples of Industrial UPS Usage with Kehua Systems

Offshore Oil Drilling Platforms

Kehua’s Myria series (40 kVA) was installed on offshore oil rigs, with two units connected in parallel redundant mode and monitored via SNMP. This setup ensures stable power for equipment at the station. Key features of the system include

• Model: Myria (10–40 kVA)
• Specifications:
  • Output Power Factor: 1.0
  • Input THDi: <3%
  • Integrated circuit breakers for input, output, battery, and bypass
  • Support for 1:1, 3:1, or 3:3 input-output configurations
  • Maximum efficiency: 96% in AC/AC mode
  • Battery cold start functionality

Thai Airways International PCL

Kehua’s Myria (30 kVA) and KR11 Plus (10 kVA) UPS systems were installed in office buildings to ensure uninterrupted operations. Key features include

Myria Series (10–40 kVA)

• Output Power Factor: 1.0
• Compact design with robust construction
• Support for external battery installations
• Maximum efficiency: 96% in AC/AC mode
• Battery cold start functionality

KR11 Plus (1–10 kVA)

• Output Power Factor: 1.0
• Designed for tower installations
• Compact size with durable construction
• Maximum efficiency: 95% in AC/AC mode

Thai Public Broadcasting Service (TPBS)

At TPBS, Kehua’s modular MR33 series (200 kVA) UPS systems were installed in a parallel redundant setup with SNMP monitoring. These systems support recording and broadcasting equipment, including lighting and audio systems.

MR33 Series

• Modular design for future scalability
• Hot-swappable power modules for seamless maintenance
• Output Power Factor: 1.0
• Maximum efficiency: 97% in AC/AC mode
• Battery cold start functionality

Choosing the Right UPS for Your Needs

Whether you opt for a large industrial UPS or a smaller general-purpose model, selecting the right system for your requirements is crucial. The appropriate UPS not only safeguards critical equipment and data but also ensures uninterrupted operations, minimizes errors, and enhances overall efficiency.

For More Information

Interested in Kehua UPS systems? Contact us at

• FACEBOOK : Kehuabysangchaigroup
• LINE Official: @Kehuabysangchai

Phone: 063-301-1759 or 02-446-5656 ext. 3104