DL/T 5224-2025 Active Industry standards-Electricity

DL/T 5224-2025 Design specifications for ground return system of high voltage direct current transmission

Publish Date: 2025-12-18 Implement Date: 2026-06-18 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DL/T 5224-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Power transmission and transformation projects

ICS Name: The transmission grid and the distribution grid

Publish Date: 2025-12-18

Implement Date: 2026-06-18

Publisher: 国家能源局

Technical Committee: 电力规划设计总院

Development Information

Replace the following standards

DL/T 5224-2014 Design Technical Specification for High Voltage Direct Current Transmission Earth Return System

Related Standards

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GB/T 17211-1998 Loading guide for dry-type power transformers

Publish Date: 1998-01-20

GB/T 2900.52-2000 Replaced

GB/T 2900.52-2000 Electrotechnical terminology-Generation, transmission and distribution of electricity—Generation

Publish Date: 2000-12-11

GB/Z 24835-2009 Replaced

GB/Z 24835-2009 Regulation of operation and maintenance for 1 000 kV gas-insulated metal-enclosed switchgear

Publish Date: 2009-11-30

GB/Z 24842-2009 Replaced

GB/Z 24842-2009 Overvoltage and insulation coordination of 1000 kV UHV AC transmission project

Publish Date: 2009-11-30

GB/Z 24843-2009 Replaced

GB/Z 24843-2009 Technical specification of 1 000 kV single phase oil-immersed auto-transformer

Publish Date: 2009-11-30

GB/Z 24846-2009 Replaced

GB/Z 24846-2009 Preventive test standards of 1000 kV AC electrical equipments

Publish Date: 2009-11-30