Standards

DL/T 587-2025 Active

DL/T 587-2025 Rules for Operating and Managing Relay Protection and Safety Automatic Devices

Publish Date: 2025-09-28

DL/T 391-2025 Active

DL/T 391-2025 12kV Outdoor High Voltage Vacuum Circuit Breaker Maintenance Procedure Manual

Publish Date: 2025-09-28

DL/T 319-2025 Active

DL/T 319-2025 Transmission line construction general technical specification for jibs

Publish Date: 2025-09-28

DL/T 318-2025 Active

DL/T 318-2025

Publish Date: 2025-09-28

DL/T 254-2025 Active

DL/T 254-2025 Guidelines for Clean Production Evaluation of Coal-fired Power Generation Enterprises

Publish Date: 2025-09-28

DL/T 1176-2025 Active

DL/T 1176-2025 Operating and Maintenance Regulations for 1000kV Oil-immersed Transformer and Parallel Reactor

Publish Date: 2025-06-30

DL/T 1165-2025 Active

DL/T 1165-2025 Dry bottom slag crushing and cutoff device

Publish Date: 2025-06-30

DL/T 1156-2025 Active

DL/T 1156-2025

Publish Date: 2025-06-30

DL/T 1141-2025 Active

DL/T 1141-2025 The operating performance test regulations for deaerator in a coal-fired power plant

Publish Date: 2025-06-30

DL/T 1078-2025 Active

DL/T 1078-2025 Surface-type condenser operating performance test regulations

Publish Date: 2025-06-30

DL/T 1010.3-2025 Active

DL/T 1010.3-2025 High-voltage Static Var Compensator - Part 3: Control and Protection System (HSVC-CPS)

Publish Date: 2025-06-30

DL/T 846.17-2025 Active

DL/T 846.17-2025 General Technical Conditions for High Voltage Test Equipment Part 17: High Voltage Dielectric Loss Tester

Publish Date: 2025-06-30