Server rooms UPS
There are three main working methods commonly used in the field of uninterruptible power supply (UPS) systems
to provide backup and protection for server rooms or critical equipment:
1. Single configuration operation (STAND ALONE)
2. Modular configuration operation
3. Parallel configuration operation
Single configuration operation (STAND ALONE) – This is the basic method, where a single UPS supports all consumers.
Advantage: Cost
Disadvantage: In case of failure, there is no redundancy, no backup, or protection for the computer/server.
Modular configuration operation – An N+1 / N+X UPS system consisting of several modules, with redundancy across the modules to provide support in case of failure or maintenance needs for one of the modules.
Advantage: Adaptable to customer needs as the system scales up or down, while providing redundancy and saving on maintenance costs.
Disadvantage: In case of a shutdown failure, there is no additional backup system.
Parallel configuration operation – Two UPS systems connected in parallel, with the shared load on each not exceeding 49%. In the event of failure in one system, the second system takes over. (This solution can be implemented with either two modular systems or two standalone configurations).
Advantage: Full redundancy in case of failure
Disadvantage: None
Redundancy for the battery array (backup) can be provided for all three models through backup across two branches.
Oren Kochav – UPS Systems Division Manager oren@advice.co.il
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