Dual power uninterruptible power supply switching

4 FAQs about [Dual power uninterruptible power supply switching]

What is a dual UPS (uninterruptible power supply)?

To enhance power reliability, dual UPS (Uninterruptible Power Supply) configurations are commonly deployed. However, one key engineering decision is whether to operate these UPS systems in split (independent) mode or parallel (synchronized) mode.

How does a dual power supply work?

If the primary source fails or the voltage drops below a certain threshold, the switching circuitry instantly transfers power to the secondary source, providing uninterrupted power. By having a dual power supply, systems can experience increased reliability and redundancy.

What is a dual power supply in a distribution room?

In other words, a distribution room is equipped with two independent power sources (from two different supply systems) to ensure uninterrupted power supply, referred to as a dual power supply. During normal operation, one power source supplies power while the other acts as a backup.

Why is uninterrupted power supply important in industrial automation & process control systems?

In modern industrial automation and process control systems, ensuring uninterrupted power supply is critical, especially for sensitive instrumentation such as Distributed Control Systems (DCS), Safety Instrumented Systems (SIS), and Programmable Logic Controllers (PLC).

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