Design Considerations and Energy Management System for
This paper presents the design considerations and optimization of an energy management system (EMS) tailored for telecommunication base stations (BS) powered by
Just as an ESS includes many subsystems such as a storage device and a power conversion system (PCS), so too a local EMS has multiple components: a device management system (DMS), PCS control, and a communication system (see Figure 2). In this hierarchical architecture, operating data go from the bottom to the top while commands go top to bottom.
Fundamental requirements for a communication interface of an ESS can be found in existing standards such as IEC 61850-7-420 and Modular Energy System Architecture (MESA) (see Figure 5). Commercial systems often follow standardized communication protocols.
Large wind or solar farms rely on EMS functionality to decide when to store excess energy or feed it into the grid, ensuring stability and maximum renewable energy utilization. Due to smaller capacities spread across multiple sites, C&I scenarios require remote monitoring.
For productive use, the software typically runs on an Industrial IoT Gateway or a development board like a Raspberry Pi with GNU/Linux Operating System. The usage of a high-level programming language for an EMS leads to a trade-off between easy and efficient software development and loss of hard real-time capabilities.
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