Standards

DL/T 2674-2023 Active

DL/T 2674-2023 The technical specifications for selecting power grid methods in the planning stage of a high-proportion new energy power system

This document stipulates the principles and methods for selecting the grid mode of a power system with a high proportion of new energy. This document is applicable to provincial power systems with a high proportion of new energy, and regional power grids may refer to it for implementation. It provides a technical specification basis for selecting the grid mode during the planning and research phase of a power system with a high proportion of new energy for electrical calculations.

Publish Date: 2023-10-11

DL/T 2673-2023 Active

DL/T 2673-2023 Guidance for Reconciliation Test of Grid-connected Power System Sources

This document specifies the general requirements, test conditions, test contents and requirements, test methods, and test judgments for the review test of power system grid-source coordination (hereinafter referred to as the review test). This document is applicable to thermal power (coal-fired, gas-fired, and oil-fired), nuclear power, hydropower (including pumped storage), solar thermal power, wind power, and photovoltaic power sources that have completed the grid-source coordination test of the power system. Other types of power sources may refer to it for use.

Publish Date: 2023-10-11

DL/T 2672-2023 Active

DL/T 2672-2023 Modeling requirements for load models for power system simulation

This document specifies the requirements for establishing power load models for power system simulation calculations, verifying and determining their parameters, and conducting production management. This document is applicable to the comprehensive load modeling of substations with voltage levels of 110kV to 330kV, including static loads, induction motors, synchronous generators, and distributed new energy sources. For substation load modeling with special requirements, this document should be implemented as a reference.

Publish Date: 2023-10-11

DL/T 2671-2023 Active

DL/T 2671-2023 Simulation of power systems with guidelines for power supply aggregation and modeling

This document specifies the modeling method and parameter measurement and verification method for power supply aggregation equivalent models used in power system simulation. This document is applicable to the electromagnetic transient and electromechanical transient simulation modeling of small hydropower groups connected to voltage levels of 110 kV and below, wind farms, photovoltaic power stations, and energy storage stations connected to voltage levels of 35 kV and above. The modeling of power supply aggregation equivalents connected to power systems through other voltage levels can be used as a reference.

Publish Date: 2023-10-11

DL/T 2670-2023 Active

DL/T 2670-2023 DL/T 2670-2023 Electric power system voltage support strength calculation specification

This document specifies the general principles for calculating the voltage support strength of power systems, the calculation method and evaluation indicators for short-circuit ratios of DC access systems, and the calculation method and evaluation indicators for short-circuit ratios of new energy access systems. This document is applicable to the evaluation of voltage support strength for AC power systems with concentrated access of DC and new energy power generation equipment.

Publish Date: 2023-10-11

DL/T 2669-2023 Active

DL/T 2669-2023 Power system inertia support and primary frequency regulation capability technical requirements

This document specifies the technical requirements and calculation methods for inertia support and primary frequency regulation capability in power systems. This document is applicable to power systems with a voltage level of 110 kV and above. Power systems with a voltage level below 110 kV may refer to this document for implementation.

Publish Date: 2023-10-11

DL/T 2668-2023 Active

DL/T 2668-2023 DL/T 2668-2023 Standard for Evaluation of Peak-shaving Capability of Power System (English translation)

This document stipulates the general methods and basic principles for evaluating the peak shaving capability of power systems. This document is applicable to the evaluation of peak shaving capability of regional, provincial, and prefectural-level power systems. The evaluation of peak shaving capability of power systems at other levels can be implemented with reference to this document.

Publish Date: 2023-10-11

DL/T 2667-2023 Active

DL/T 2667-2023 DL/T 2667-2023 Implementing Guide for Total Life Cycle Management of Power Assets Management System

This document provides the organizational environment, leadership, planning, support, operation, performance evaluation, and improvement aspects of the full life cycle management system for power enterprise assets, providing guidance for implementing the requirements of DL/T 1868. This document is applicable to the management system of physical asset management in power enterprises, and guides the establishment, implementation, maintenance, and improvement of the full life cycle management system for power enterprise assets. This document does not consider the related applications of asset management in nuclear power enterprises.

Publish Date: 2023-10-11

DL/T 2666-2023 Active

DL/T 2666-2023 Substation noise simulation analysis technical guidelines

This document specifies the general principles, content, procedures, and methods for noise simulation analysis of substations. This document is applicable to the simulation analysis in the impact assessment of the acoustic environment of substations and noise control.

Publish Date: 2023-10-11

DL/T 2665-2023 Active

DL/T 2665-2023 The Method for Measuring Noise Emission at Substation Boundary Using Multi-Coherence Function (DL/T 2665-2023)

This document specifies a method for measuring the noise emission from the factory boundary of substations (including distribution rooms) based on the multiple coherence function method, including instrument selection, measurement point arrangement, and data processing. This document is applicable to the measurement of noise emission from the factory boundary of substations (including distribution rooms).

Publish Date: 2023-10-11

DL/T 2664-2023 Active

DL/T 2664-2023 Industrial Park Integrated Energy Supply System Planning Technical Guidelines

This document stipulates the basic principles of planning for integrated energy supply systems in industrial parks, resource endowment analysis, energy demand forecasting, planning technical requirements, technical and economic feasibility, and benefit analysis. This document is applicable to the planning of integrated energy supply systems in newly built, renovated, and expanded industrial parks.

Publish Date: 2023-10-11

DL/T 2663-2023 Active

DL/T 2663-2023 DL/T 2663-2023 High Voltage Direct Current Protection Test Equipment General Technical Requirements

This document specifies the technical requirements, test function requirements, inspection rules, packaging, transportation, storage, marking, labeling, etc. of high-voltage direct current protection test devices. This document is applicable to the design, production, selection, and testing of on-site test devices for high-voltage direct current transmission systems employing single-twelve-pulse grid phase-shifting converters and dual-twelve-pulse grid phase-shifting converters in series.

Publish Date: 2023-10-11