Standards

DL/T 1004-2024 Active

DL/T 1004-2024 Electricity enterprise management system integration guidelines

This document stipulates the organizational guarantees for the integration of the power enterprise management system, the integration of policies and objectives, structural integration, document integration, and requirements for the operation, evaluation, and improvement of the integrated management system. This document is applicable to the integration work of the power enterprise management system.

Publish Date: 2024-12-25

DL/T 1010.1-2024 Active

DL/T 1010.1-2024 High-voltage Static Var Compensator - Part 1: System design

This document specifies the type, wiring, functional requirements, performance requirements, design conditions, overall design, SVC components and subsystems, and equipment layout requirements of high-voltage static reactive power compensation devices (hereinafter referred to as "SVCs"). This document is applicable to TCR-type and TSC-type SVCs in transmission and distribution systems with voltages of 6 kV and above, where the thyristor control branch can be directly connected to systems with voltages of 6 kV to 66 (63) kV. TSR-type SVCs can be implemented in accordance with this document.

Publish Date: 2024-12-25

DL/T 1119-2024 Active

DL/T 1119-2024 DL/T 1119-2024 Transmission Line Parameter Tester General Technical Specification

This document specifies the technical requirements, test methods, inspection rules, markings, accompanying documents, transportation and storage requirements for the power frequency parameter tester for transmission lines (hereinafter referred to as the tester). This document is applicable to the production, use and inspection of the tester.

Publish Date: 2024-12-25

DL/T 1152-2024 Active

DL/T 1152-2024 Transformer Secondary Circuit Voltage Drop and Load Tester General Technical Specification

This document specifies the technical requirements, test methods, inspection rules, and requirements for marking, packaging, transportation, and storage of transformer secondary circuit pressure drop and load testers (hereinafter referred to as pressure drop testers). This document is applicable to pressure drop testers that use wired measurement methods and wireless measurement methods.

Publish Date: 2024-12-25

DL/T 1178-2024 Active

DL/T 1178-2024 DL/T 1178-2024 1000kV AC Power Fittings Vanelet and Radio Interference Test Method

This document specifies the general requirements for corona and radio interference tests of 1000kV AC power fittings, the method of visible corona test, the method of radio interference test, and the test report, etc. This document is applicable to the visible corona and radio interference tests of fittings for 1000kV AC lines and split conductor fittings for substations. The visible corona and radio interference tests of busbar fittings and equipment fittings in substations can be carried out for reference.

Publish Date: 2024-12-25

DL/T 1180-2024 Active

DL/T 1180-2024 Guidelines for Supervision and Manufacture of 1000kV Electrical Equipment

This document stipulates the general requirements, responsibilities, and authorizations for the supervision of 1000kV electrical equipment, as well as the work steps, methods, and systems, work requirements, supervision documents, and reports. This document applies to the supervision of 1000kV transformers, 1000kV reactors, 1000kV switchgear, and 1000kV surge arresters in 1000kV AC substations, as well as 1000kV instrument transformers and the secondary 110kV switchgear of main transformers, parallel 110kV reactors, series 110kV reactors, parallel 110kV capacitors, and insulators (including line insulators) throughout the entire manufacturing process. For similar equipment used in converter stations and shunt reactors, the requirements of this document may be referenced for implementation.

Publish Date: 2024-12-25

DL/T 1181-2024 Active

DL/T 1181-2024 1000kV AC Bar-type Composite Insulator Technical Specification

This document specifies the technical requirements, test methods, inspection rules, marking and packaging for 1000kV AC rod-type suspension composite insulators (hereinafter referred to as composite insulators), as well as the performance requirements for umbrella sleeve materials and core rod materials. This document is applicable to 1000kV AC overhead lines and substations used for suspension and tension composite insulators. The ambient temperature of the installation site of the composite insulators is generally between -40℃ and 40℃. This document does not include requirements for selecting composite insulators according to specific operating conditions.

Publish Date: 2024-12-25

DL/T 1196-2024 Active

DL/T 1196-2024 Transmission device load box generic technical requirements for current transformer DL/T 1196-2024

This document specifies the technical requirements, test methods, inspection rules, marking and accompanying documents, as well as packaging, transportation, and storage requirements for transformer load boxes. This document is applicable to the production and inspection of current and voltage transformer load boxes with a rated frequency of 50 Hz.

Publish Date: 2024-12-25

DL/T 1258-2024 Active

DL/T 1258-2024 The General Technical Requirements for Transformer Calibration Instruments - DL/T 1258-2024

This document specifies the technical requirements, test methods, inspection rules, markings, labels, and accompanying documents, as well as packaging, transportation, and storage requirements for transformer calibrators. This document is applicable to the production, testing, and use of transformer calibrators that employ the differential comparison method to measure the errors of transformers or voltage dividers operating at an AC frequency of 50Hz (or 60Hz). This document is not applicable to DC transformer calibrators and electronic transformer calibrators.

Publish Date: 2024-12-25

DL/T 1275-2024 Active

DL/T 1275-2024 1000kV Transformer Partial Discharge Field Measurement Technical Guidelines

This document specifies the test conditions, test equipment, test wiring, test procedures, pass/fail criteria, interference source identification and suppression requirements for on-site measurement of partial discharge in 1000 kV transformers. This document is applicable to long-term induced voltage and partial discharge measurement on-site tests of 1000 kV AC single-phase oil-immersed autotransformers, including main transformers and voltage compensation transformers (hereinafter referred to as "1000 kV transformers").

Publish Date: 2024-12-25

DL/T 1331-2024 Active

DL/T 1331-2024 Testing guidelines for AC substation equipment without removing high-voltage leads

This document specifies the general requirements, safety measures, test methods, and result analysis for conducting tests on AC power equipment without disassembling their high-voltage leads. This document applies to the testing of AC power equipment such as 110kV (66kV) and above power transformers, disconnecting switches, circuit breakers, oil-immersed current transformers, coupling capacitors, voltage transformers, parallel reactors, metal oxide surge arresters, and parallel capacitors without disassembling their high-voltage leads. Equipment below 110kV can be used as a reference for this testing process.

Publish Date: 2024-12-25

DL/T 1424-2024 Active

DL/T 1424-2024 Power grid metal technical supervision regulations

This document stipulates the content and requirements of metal technical supervision for the power grid. This document is applicable to the metal technical supervision of power grid transmission, substation, and distribution equipment and components.

Publish Date: 2024-12-25