T/CMEPCA 119-2025 Active Group standards

T/CMEPCA 119-2025 Technical Specifications for Coordinated Optimization Control of Source-Grid-Load-Storage in Substation Areas Based on Intelligent Fusion Terminals

Publish Date: 2025-11-13 Implement Date: 2025-11-20 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CMEPCA 119-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The integrated transmission and distribution network

Publish Date: 2025-11-13

Implement Date: 2025-11-20

Scope

This document specifies the technical requirements and control methods for intelligent integration terminals to achieve the coordinated optimization of multiple factors, including sources, grids, loads, and storage in distribution substations, including system architecture, communication specifications, equipment requirements, installation and commissioning, and functional modules. This document is applicable to low-voltage distribution substations with a voltage level of 10 kV and a transformer capacity of 100 kVA to 2000 kVA (including scenarios of single/multiple transformers operating together), covering the coordinated operation and control of distributed power sources, flexible loads, energy storage systems, and distribution networks, which can be applied to scenarios such as new energy absorption, demand-side response, and peak-shaving and valley-filling. The application boundaries are supplemented as follows: 1) Typical scenarios: rural substations (photovoltaic + irrigation loads), urban substations (commercial flexible loads + energy storage), and urban-rural interface substations (mixed loads + small hydropower); 2) Upper-level interface: Only interacts with county/district-level distribution network dispatching centers and does not support provincial-level and higher dispatching; 3) Operation mode: Covers both grid-connected operation and islanded operation (when the grid fails and disconnects, the output of sources and storage must meet the core load requirements); 4) Excluded scope: Large-scale dispatching outside the substation, cross-regional energy trading, and non-electric energy management. This document specifies the technical requirements and control methods for intelligent integration terminals to achieve the coordinated optimization of multiple factors, including sources, grids, loads, and storage in distribution substations, including system architecture, communication specifications, equipment requirements, installation and commi