DL/T 1045-2022 Active

DL/T 1045-2022 Steel stringed pore pressure gauge

This document is applicable to steel-string pore water pressure gauges used for safety monitoring of dams and other geotechnical engineering projects.

Publish Date: 2022-11-04

DL/T 1134-2022 Active

DL/T 1134-2022 Dam Safety Monitoring Automatic Collection Device

This document is applicable to various devices for automatic collection of sensor data as specified in DL/T 947 and DL/T 948.

Publish Date: 2022-11-04

DL/T 2553-2022 Active

DL/T 2553-2022 Grounding System Soil Resistivity, Ground Impedance, and Surface Potential Measurement Techniques Guideline

This document specifies the requirements for testing the soil resistivity, grounding impedance, current shunt, surface potential, electrical integrity, and impact grounding impedance of grounding systems in the power industry. This document is applicable to the design and survey of grounding systems in substations, power plants, converter stations, wind power systems' boosting stations and wind turbines, photovoltaic power stations, energy storage stations, electrified railway traction substations, transmission and distribution lines, etc. It also applies to the state assessment and testing of already operational grounding systems. Grounding systems in other industries can refer to and implement this document accordingly.

Publish Date: 2022-11-04

DL/T 5437-2022 Active

DL/T 5437-2022 Fluorine power generation construction project start-up trial and acceptance procedures

Publish Date: 2022-11-04

DL/T 5037-2022 Active

DL/T 5037-2022 Shaft-flow water turbine substructure installation process guidelines

In order to ensure the installation quality of the buried parts of axial-flow turbines, standardize the construction process, and guide on-site construction, these guidelines are formulated. These guidelines are applicable to the installation of buried parts of large and medium-sized axial-flow turbines. In addition to complying with these guidelines, the installation of buried parts of axial-flow turbine units shall also comply with the provisions of the relevant national standards currently in force.

Publish Date: 2022-11-04

DL/T 5580.2-2022 Active

DL/T 5580.2-2022 Combustion of coal combined with biomass power generation - Biomass energy electricity calculation - Part 2: Direct combustion of agricultural and forestry waste coupled with coal combustion

A coal-fired power generation unit that relies on pure condensing or extraction condensing coal-fired generators, and the proportion of biomass heat input into the furnace does not exceed 10%. The main technical content includes: 1. General provisions; 2. Terms and symbols; 3. Calculation of biomass direct combustion coupling energy; 4. Calculation of biomass power generation; 5. Calculation of biomass energy plant's own power consumption; 6. Calculation of biomass energy power supply.

Publish Date: 2022-11-04

DL/T 5856-2022 Active

DL/T 5856-2022 Hydropower Engineering Discharge Structure Hydraulics Numerical Simulation Technical Specification

Publish Date: 2022-11-04

DL/T 5855-2022 Active

DL/T 5855-2022 Experimental specifications for surface repair materials of epoxy resin in hydropower and water conservancy projects

Publish Date: 2022-11-04

DL/T 5854-2022 Active

DL/T 5854-2022 Deeply excavated underground chambers for hydropower and water conservancy projects excavation construction specifications

Publish Date: 2022-11-04

DL/T 2552-2022 Active

DL/T 2552-2022 Optical Fiber Temperature Monitoring Device for Oil-immersed Power Transformer Technical Specification

Publish Date: 2022-11-04

DL/T 2551-2022 Active

DL/T 2551-2022 Test method for optical fiber temperature measurement device used in oil-immersed power transformers

Publish Date: 2022-11-04

DL/T 2550-2022 Active

DL/T 2550-2022 "The technical requirements and evaluation methods for storing large oil-immersed power transformers (reactors) in gas filled conditions."

Publish Date: 2022-11-04