Standards

DL/T 2828-2024 Active

DL/T 2828-2024 DL/T 2828-2024 Transformer isolation enclosure technical specification for converter transformer

This document specifies the usage conditions, classification and codes, technical requirements, test methods, design requirements, inspection rules, packaging, transportation, storage, and accompanying documents for the soundproof enclosures of converter transformers (hereinafter referred to as "soundproof enclosures"). This document is applicable to the design, manufacture, and inspection of soundproof enclosures for converter transformers. Other soundproof enclosures for conventional transformers with noise reduction requirements may be implemented in accordance with this document.

Publish Date: 2024-12-25

DL/T 2827-2024 Active

DL/T 2827-2024 The technical specification for the verification device for direct current electric energy meter

This document specifies the classification, electrical parameters, technical requirements, test methods, inspection rules, packaging, transportation, and storage of DC energy meter calibration devices (hereinafter referred to as the device). This document is applicable to the design, manufacture, procurement, acceptance, and use of DC energy meter calibration devices. This document is not applicable to devices used for on-site calibration of DC energy meters.

Publish Date: 2024-12-25

DL/T 2826-2024 Active

DL/T 2826-2024 DC Standard Power Meter Technical Specification

This document specifies the requirements for nominal power, structure and mechanics, electrical safety, metrological performance, environmental adaptability, electromagnetic compatibility, and corresponding test methods, inspection rules, and requirements for packaging, transportation, and storage of DC standard energy meters. This document is applicable to newly manufactured DC standard energy meters with a DC voltage limit of 1500V.

Publish Date: 2024-12-25

DL/T 2825.4-2024 Active

DL/T 2825.4-2024 Substation Intelligent Inspection Guidelines Part 4: Terminal Applications

This document specifies the general requirements for intelligent inspection terminals in substations, the application of intelligent inspection terminals, the requirements for inspection data collection, the processing of inspection data, and the maintenance of intelligent terminals. This document is applicable to the application of intelligent inspection terminals in substations with a voltage of 35kV or higher, and converter stations can refer to it for implementation.

Publish Date: 2024-12-25

DL/T 2825.2-2024 Active

DL/T 2825.2-2024 Substation Intelligent Inspection Guidelines Part 2: Task and Path Planning

This document specifies the inspection tasks and route planning of intelligent inspections for substations, including the layout of route points and route planning. This document is applicable to the inspection tasks and route planning of intelligent inspection terminals for substations with a voltage of 35kV or above. Converters stations can refer to it for implementation.

Publish Date: 2024-12-25

DL/T 2824.1-2024 Active

DL/T 2824.1-2024 Substation prefabricated container type combined equipment technical specification Part 1: Switchgear cabinets

This document specifies the usage conditions, rated values, design and structure, type testing, factory testing, and on-site testing of the switchgear compartment in prefabricated modular equipment for substations, as well as design and selection guidelines. This document applies to the design, production, and testing of prefabricated modular equipment with a rated voltage of 3.6 kV to 252 kV and a rated frequency of 50 Hz, which is installed outdoors and primarily composed of switchgear. Equipment with other voltage ratings may be referenced for implementation. The switchgear compartment defined in this document is designed and type-tested as an independent product, with a separate serial number and related supporting documents.

Publish Date: 2024-12-25

DL/T 5484-2024 Active

DL/T 5484-2024 DL/T 5484-2024 Design Code for Electric Cable Tunnels in Power Lines。

This standard applies to the design of the main body of new, renovated, and expanded power cable tunnels.

Publish Date: 2024-12-25

DL/T 2545.2-2024 Active

DL/T 2545.2-2024

This document specifies the types and cycles of inspections for relay protection and safety automatic devices and their secondary circuits in hydroelectric power plants, the conditions required for inspection work, the content and requirements of on-site inspections, and the content and requirements of commissioning inspections. This document applies to the installation, commissioning, and operation and maintenance of relay protection and safety automatic devices (hereinafter referred to as protection devices) in hydroelectric power plants.

Publish Date: 2024-12-25

DL/T 5216-2024 Active

DL/T 5216-2024 DL/T 5216-2024 Design Code for Underground Substations。

This standard applies to the design of new construction, renovation, and expansion projects for underground substations independently built with a voltage rating of 35kV to 500kV.

Publish Date: 2024-12-25

DL/T 2530.2-2024 Active

DL/T 2530.2-2024 Electric Power Cable Test Equipment General Technical Specification Part 2: Cable Shield Fault Locator

This document specifies the technical requirements, test methods, and inspection rules for cable sheath fault locators (hereinafter referred to as locators). This document is applicable to the production, use, and inspection of step-voltage fault locators and pulsed rectangular wave current fault locators.

Publish Date: 2024-12-25

DL/T 2476.5-2024 Active

DL/T 2476.5-2024 Port onshore power system operation and maintenance technical specification Part 5: Distributed onshore power piling access unit

This document specifies the general requirements, functional requirements, performance requirements, testing requirements, inspection rules, and marking, packaging, transportation, and storage for decentralized shore power dock access units. This document is applicable to the design, manufacture, use, and acceptance of decentralized shore power dock access units in port shore power systems.

Publish Date: 2024-12-25

DL/T 2476.4-2024 Active

DL/T 2476.4-2024 Port onshore power system operation and maintenance technical specification Part 4: Station-level system

This document specifies the composition, general requirements, technical requirements, and safety protection requirements of the port shore power station system. This document is applicable to the design, construction, and acceptance of the port shore power station system.

Publish Date: 2024-12-25