What is the purpose of a transformer in low voltage systems?

The purpose of a transformer in low voltage systems primarily revolves around its ability to step down or step up voltage as required by the specific needs of the electrical system. In many low voltage systems, devices often require a different voltage level than what is provided by the primary power source. A transformer facilitates this by converting higher voltages to lower voltages (stepping down) or vice versa (stepping up), ensuring that electrical devices can operate safely and efficiently at their required power levels.

This capability is crucial for maintaining the integrity and functionality of low voltage systems, as improper voltage levels could lead to equipment damage or failure. By effectively managing voltage levels, transformers help ensure that all components within a system operate effectively within their specified parameters. This contributes to the overall reliability and safety of electrical installations.

In contrast, other options do not accurately represent the primary function of a transformer in this context. For instance, while emergency power systems might use different types of power supplies, this is not a direct function of a transformer. Similarly, distributing network bandwidth and enhancing security features are concerns that relate to network design and device functionality rather than transformer operation, emphasizing their irrelevant nature in this specific inquiry about voltage management.