A BESS is a large-scale system designed to store energy from renewable or grid sources and release it when demand increases. These systems use advanced lithium-ion or flow batteries, managed by smart inverters and control software. What is an Uninterruptible Power Supply (UPS)?
What Are UPS and BESS? UPS is designed to provide instantaneous backup power during power failures, protecting sensitive loads like servers, hospitals, and data centers from outages or voltage fluctuations. It bridges the gap between power loss and generator startup or system recovery.
An uninterruptible power supply (UPS) or uninterruptible power source is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails.
UPS systems are cheaper upfront. But their batteries wear out faster and aren't designed for daily use. BESS systems are more expensive initially, but they offer long-term savings through energy arbitrage, grid incentives, and durability (especially with lithium iron phosphate batteries). Which One Should You Choose?
Uninterruptible power supplies provide power to critical loads in the event of a power failure. Unlike emergency generators, UPS systems provide power immediately, but only for a short period of a few minutes – until a backup power supply comes online or until the load completes its shutdown sequence.
Typically, according to different working principles, UPS power supply covers standby (offline) UPS, line-interactive UPS, online (double-conversion) UPS. The standby UPS system offers only the most basic features, providing surge protection and battery backup. Thus, its power supply quality is not good enough and the cost is much lower.
The input power source may fail aperiodically, resulting in communication outage and data loss. Moreover, problems like voltage spike, voltage sag, noise, harmonic distortion also affect the quality of mains power. To protect device security and ensure working efficiency, an uninterrupted power supply can be a credible assurance.
Apart from aforesaid three common UPS power supply designs, the following things are also needed to be considered during purchasing. Voltage Rating. UPS voltage rating is the maximum load designed to support, typically ranging from 300 VA to 5000 kVA. It's suggested to buy UPS with a voltage rating that is 1.2 times the total load needed.
Get technical specifications, application guides, and ROI analysis tools for containerized power stations, portable photovoltaic containers, and microgrid energy storage solutions.
18 Industrial Park Road, Midrand
Johannesburg, South Africa 1685
Sales & General: +27 11 568 3400
Technical Support: +27 82 459 7781
Monday - Friday: 8:00 AM - 6:00 PM SAST
Saturday: 8:00 AM - 2:00 PM SAST