Standards

DL/T 2555.3-2023 Active

DL/T 2555.3-2023 DL/T 2555.3-2023 Branch line bypass operation equipment and equipment Part 3: Bypass cable truck for distribution line

This document specifies the structure and composition, technical requirements, test methods, and inspection rules of the bypass cable car used for bypass operations on distribution lines. This document is applicable to bypass cable cars used in distribution line bypass operations of 0.4 kV to 20 kV in areas with an altitude of no more than 1,000 m.

Publish Date: 2023-12-28

DL/T 5865-2023 Active

DL/T 5865-2023 Technical guidelines for integrated utility chambers for power systems

1.0.1 This standard is formulated to regulate the basic technical requirements of power compartments in integrated pipe galleries. 1.0.3 This document specifies the technical requirements for the spatial layout of power compartments in integrated pipe galleries, cable supports and grounding, and ancillary facilities. 1.0.3 This document is applicable to power compartments in integrated pipe galleries that accommodate power cables.

Publish Date: 2023-10-11

DL/T 5864-2023 Active

DL/T 5864-2023 The Field Handover Test Regulations for Flexible DC Transmission Switching Valve

This document specifies the requirements for the pre-preparation of the on-site acceptance test for converter valves in flexible DC transmission systems, the on-site acceptance test for the converter valve itself, the on-site acceptance test for the valve base control equipment, and the test report. This document applies to converter valves used in onshore flexible DC transmission systems with voltage levels of ±800 kV and below. Converter valves for other application scenarios can be implemented in accordance with this document.

Publish Date: 2023-10-11

DL/T 5294-2023 Active

DL/T 5294-2023 Heavy fuel power generation construction project unit commissioning technical specification

1.0.1 This specification is formulated to standardize the commissioning work of units in thermal power generation construction projects and improve the quality of unit handover. 1.0.2 This specification stipulates the specific scope, main content, working procedures, and basic methods of commissioning work in thermal power generation construction projects. 1.0.3 This specification applies to new, expanded, and renovated thermal power generation construction projects. 1.0.4 In addition to complying with this specification, the commissioning work of units in thermal power generation construction projects shall also comply with the provisions of relevant national standards currently in force.

Publish Date: 2023-10-11

DL/T 5113.15-2023 Active

DL/T 5113.15-2023 Safety Monitoring Engineering of Basic Water Conservancy and Hydropower Construction Project Unit Quality Grade Evaluation Standard, Part 15

1.0.1 This standard is formulated to regulate the quality grading of safety monitoring units in hydropower and water conservancy projects. 1.0.2 This standard applies to the quality assessment of safety monitoring units in hydropower and water conservancy projects. 1.0.3 The quality grading of safety monitoring units should be conducted promptly after the completion of their construction. 1.0.4 In addition to complying with this standard, the quality grading of safety monitoring units shall also meet the requirements of the relevant national standards currently in force.

Publish Date: 2023-10-11

DL/T 2681-2023 Active

DL/T 2681-2023 Standardization implementation specification for safety production of power surveying and design enterprises

This document stipulates the general requirements for the establishment, maintenance, and evaluation of the standardized management system for safety production in power survey and design enterprises, as well as the content of eight core elements including target responsibilities, institutionalized management, education and training, on-site management, safety risk control and hidden danger investigation and treatment, emergency management, accident management, and continuous improvement. This document is applicable to power survey and design enterprises (hereinafter referred to as "enterprises") engaged in power survey, design, consulting, scientific research and testing, and general contracting (excluding nuclear island and offshore parts), and can also be used as a basis for third-party consulting and services on the standardized construction of safety production in power survey and design enterprises.

Publish Date: 2023-10-11

DL/T 2680-2023 Active

DL/T 2680-2023 Electric Power Construction Company's Standardization of Work Safety Implementation Guidelines

This document specifies the requirements for power construction enterprises to carry out standardized work in safety production. This document is applicable to enterprises engaged in the construction of power projects. It can also be used as a basis for third-party consultations and services on the standardized work in safety production of power construction enterprises.

Publish Date: 2023-10-11

DL/T 2679-2023 Active

DL/T 2679-2023 The Standardized Implementation Specification for Safety Production in Electric Power Construction Engineering

This document stipulates the principles and general requirements for establishing, maintaining, and evaluating the standardized implementation of safety production in power construction projects, as well as the core technical requirements of eight systems: target responsibilities, institutionalized management, education and training, on-site management, safety risk control and hidden danger investigation and treatment, emergency management, accident management, and continuous improvement. This document applies to power generation construction projects such as thermal power, hydropower, nuclear power (excluding nuclear islands), wind power, offshore wind power, solar power, and pumped storage power generation; power grid construction projects such as transmission and transformation; and other power facility construction projects.

Publish Date: 2023-10-11

DL/T 2678-2023 Active

DL/T 2678-2023

This document specifies the structure, classification, marking, technical requirements, test methods, inspection rules, installation requirements, marking, packaging, transportation, and storage of bird-repellent baffles for AC overhead transmission lines. This document is applicable to bird-repellent baffles used on AC overhead transmission lines with voltages ranging from 66 kV to 750 kV. AC 35 kV overhead transmission lines and DC overhead transmission lines may refer to and adopt the provisions of this document for reference.

Publish Date: 2023-10-11

DL/T 2677-2023 Active

DL/T 2677-2023 Electricity insulation board technical specification

This document specifies the classification and marking, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and disposal requirements for insulating barriers used in electrical power applications. This document is applicable to isolating live parts during electrical work in the voltage range of 0.4 kV to 35 kV, limiting the operating range of workers, and preventing accidental contact with live parts. This document is not applicable to insulating barriers used as components of equipment and devices.

Publish Date: 2023-10-11

DL/T 2676-2023 Active

DL/T 2676-2023 Hydropower operation scheduling indicator calculation method

This document describes the calculation methods for the main indicators of hydropower dispatching operations. This document specifies the calculation methods for the main indicators of hydropower dispatching operations. It is applicable to provincial and higher-level power dispatching agencies of power grid enterprises, basin control centers of power generation enterprises, and large and medium-sized hydropower stations for the calculation of routine hydropower dispatching operation indicators. Regional-level and lower-level power dispatching agencies and small hydropower stations may refer to this document for the calculation of routine hydropower dispatching operation indicators.

Publish Date: 2023-10-11

DL/T 2675-2023 Active

DL/T 2675-2023 High Voltage DC System Dispatching and Operating Regulations

This document specifies the dispatching operations, power adjustment, voltage adjustment, and fault handling of high-voltage DC systems. This document is applicable to DC back-to-back systems with a voltage level of ±120 kV and above, and DC transmission systems with a voltage level of ±400 kV and above. In addition to the content specified in this document, the power and voltage adjustment of high-voltage DC systems, as well as the operation of equipment within the dispatching jurisdiction of converter stations, shall be carried out in accordance with the provisions of the dispatching authority.

Publish Date: 2023-10-11