White Paper: Basics for electrical system design including protection and transfer

Power availability is the cornerstone of critical applications – including Data Centres, hospitals and airports – but to guarantee availability it is vital to design an electrical architecture specifically for optimized performance.  In the absence of a single, universal technical standard, it is possible to identify trends in the construction of Single Line Diagrams.

Transfer between different power supply sources is a key part of the optimization process – including the protection of an electrical installation using circuit breaker-based Automatic Transfer Switches (ATS).  Developing an understanding of the key requirements for continuity of service – combined with an analysis of loads – is the basis for achieving guaranteed power availability.

In this document you will find the basics of optimized design execution – including protection and transfer systems – built on the principles of the separation and independence of these functions.

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