Standards

DL/T 1485-2024 Active

DL/T 1485-2024 Three-phase intelligent power metering technology specification

This document specifies the technical requirements, test methods, inspection rules, marking, labeling, accompanying documents, packaging, transportation, and storage for three-phase smart energy meters. This document is applicable to the design, manufacture, procurement, acceptance, and use of installed three-phase smart energy meters that measure AC energy with a reference frequency of 50Hz (or 60Hz) in the power industry.

Publish Date: 2024-12-25

DL/T 1487-2024 Active

DL/T 1487-2024 Single-phase smart electric meter technical specification

This document specifies the technical requirements, test methods, and inspection rules for single-phase smart electric energy meters. This document is applicable to the design, manufacture, procurement, acceptance, and use of installed AC single-phase smart electric energy meters (hereinafter referred to as "electric energy meters") for measuring electric energy in power grids with a nominal frequency of 50Hz (or 60Hz).

Publish Date: 2024-12-25

DL/T 1488-2024 Active

DL/T 1488-2024 DL/T 1488-2024 Single-phase Smart Electric Energy Meter Specification for Type Test

This document specifies the technical requirements, environmental conditions, basic requirements, display, materials, and processing for single-phase smart energy meters. This document is applicable to the design, manufacture, procurement, acceptance, and use of installed AC single-phase smart energy meters (hereinafter referred to as "energy meters") for measuring electrical energy in power grids with a nominal frequency of 50 Hz (or 60 Hz).

Publish Date: 2024-12-25

DL/T 1489-2024 Active

DL/T 1489-2024 Three-phase intelligent electric energy meter type specification

This document specifies the technical requirements, environmental conditions, structure and dimensions, display requirements, materials and processes for three-phase smart electric energy meters. This document is applicable to the design, manufacture, procurement, acceptance, and use of installed AC three-phase smart electric energy meters (hereinafter referred to as "electric energy meters") for measuring electric energy in power grids with a nominal frequency of 50Hz (or 60Hz).

Publish Date: 2024-12-25

DL/T 1490-2024 Active

DL/T 1490-2024 DL/T 1490-2024 Intelligent Electric Energy Meter Function Specification

This document specifies the functional requirements of smart electric energy meters, including energy measurement, demand measurement, clock, tariffs and time periods, communication, measurement, and detection. This document applies to the design, manufacture, procurement, acceptance, and use of installed smart electric energy meters (hereinafter referred to as "electric energy meters"), including single-phase smart electric energy meters and three-phase smart electric energy meters.

Publish Date: 2024-12-25

DL/T 1491-2024 Active

DL/T 1491-2024 Intelligent Electricity Meter Information Exchange Security Certification Technical Specification

This document specifies the basic requirements for the information exchange certification of smart electric energy meters (hereinafter referred to as "electric energy meters"), the file structure of the security module and CPU card, the security certification requirements, and the security certification testing. This document is applicable to the design, manufacture, procurement, acceptance, and use of installed electric energy meters.

Publish Date: 2024-12-25

DL/T 1560-2024 Active

DL/T 1560-2024 Guidelines for on-site assembly and testing of power transformers during dismantlement transportation

This document specifies the requirements for the design of disassembling and transporting power transformers, on-site assembly, disassembly and transportation, on-site assembly and acceptance, and on-site installation. This document is applicable to power transformers with a voltage rating of 1000 kV and below, which are disassembled and transported after completing factory tests, and then assembled on-site.

Publish Date: 2024-12-25

DL/T 1579-2024 Active

DL/T 1579-2024 Technical specification for terminal assembly components used in composite insulators for overhead lines

This document specifies the classification and naming, dimensional characteristics, technical requirements, inspection rules, marking, and packaging of end fittings for composite insulators used in overhead lines. This document is applicable to end fittings for composite insulators used in AC 1000V, DC ± 1500V, and higher voltage systems.

Publish Date: 2024-12-25

DL/T 1673-2024 Active

DL/T 1673-2024 DL/T 1673-2024 Switching Transformer Valve Side Gland Technical Specification

This document specifies the technical requirements for the valve side bushings of converter transformers in terms of their use conditions, testing, packaging, transportation, and storage. This document applies to valve side bushings of oil-immersed converter transformers used in conventional high-voltage direct current (HVDC) transmission projects with voltages of ±1100 kV and below. Valve side bushings of oil-immersed smoothing reactors used in conventional HVDC transmission projects, valve side bushings of transformers used in flexible HVDC transmission projects, and wall-through bushings connecting transformers to valve halls in flexible HVDC transmission projects can be referenced for reference.

Publish Date: 2024-12-25

DL/T 1679-2024 Active

DL/T 1679-2024 The technical specifications for sintered petroleum coke used in high-voltage direct current grounding electrodes

This document specifies the technical requirements, test methods, inspection requirements, marking and accompanying documents, packaging, transportation, and storage requirements for calcined petroleum coke used in high-voltage direct current grounding electrodes. This document is applicable to the production, inspection, and acceptance of calcined petroleum coke used in high-voltage direct current grounding electrodes.

Publish Date: 2024-12-25

DL/T 1692-2024 Active

DL/T 1692-2024 DL/T 1692-2024 Safety tooling cabinet technical specifications

This document specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of safety tool cabinets. This document is applicable to safety tool cabinets in the fields of power generation, transmission, substation, distribution, and electricity consumption.

Publish Date: 2024-12-25

DL/T 1694.10-2024 Active

DL/T 1694.10-2024 High-pressure testing instrument and equipment calibration specification Part 10: Calibration of SF6 density controller calibrator

This document specifies the metrological characteristics, calibration conditions, calibration items, calibration methods, expression of calibration results, and re-calibration time intervals of the sulfur hexafluoride density controller calibrator (hereinafter referred to as the "calibrator"). This document is applicable to the calibration of the calibrator.

Publish Date: 2024-12-25