National Standard for Integrated Power Supplies
The national standard for integrated power supply systems is based on ISO/TS 81346-101:2025 and the RDS-PP® reference designation system, providing harmonized guidelines for design, documentation, and interoperability of power supply systems.
Overview of the Standard
The ISO/TS 81346-101:2025 standard provides guidelines for applying the ISO 81346 and IEC 81346 series specifically to power supply systems, supporting harmonization across technical domains and industries . It includes best practices for implementation depending on the user and situation, with examples of reference designation systems (RDS) in annexes to facilitate practical application . This standard ensures consistent structuring, identification, and documentation of power supply systems, from generation to distribution.
Reference Designation Systems
The RDS-PP® (Reference Designation System for Power Plants) is the advanced national and international framework for power supply system designation . It evolved from the KKS Power Plant Identification System, originally developed in Germany in 1978, and has been widely adopted globally. RDS-PP® integrates modern energy technologies, including energy conversion, transmission, and storage, while maintaining compatibility with international standards such as ISO/TS 81346-10 and DIN 6779-10 . This system allows operators and manufacturers to consistently classify and document equipment, systems, and plants.
Integration with International Standards
The standard aligns with IEC standards for transmission, distribution, and smart grid integration, including IEC 61850 for communication and control of distributed energy resources (DERs) and IEC 60076 for transformers . It ensures interoperability between conventional grids and modern energy systems, including renewable energy sources, storage, and smart grid technologies. By following these standards, energy systems can achieve improved efficiency, reliability, and safety.
Practical Applications
- Power Plant Design and Documentation: RDS-PP® provides a structured approach to identify and document all components of a power plant, from generators to transformers and distribution networks .
- System Interoperability: ISO/TS 81346-101:2025 ensures that different technical domains and industries can harmonize their power supply systems, facilitating integration with smart grids and DERs .
- Energy Efficiency and Safety: The standard supports planning and protection of low- and medium-voltage distribution systems, including circuit breakers, switchgear, and transformers, to minimize energy losses and enhance operational safety .
Key Benefits
- Harmonized classification and documentation of power supply systems
- Compatibility with international standards for global interoperability
- Support for modern energy technologies, including renewable integration and smart grids
- Enhanced operational efficiency, safety, and maintainability In summary, the national standard for integrated power supply systems combines ISO/TS 81346-101:2025 guidelines with the RDS-PP® reference designation system, providing a comprehensive framework for designing, documenting, and integrating power supply systems across industries and international borders .
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