GB/T 12789.3-2025 Active National standards

GB/T 12789.3-2025 Criteria for nuclear reactor instrumentation—Part 3:High temperature gas-cooled reactor

GB/T 12789.3-2025 Criteria for nuclear reactor instrumentation—Part 3:High temperature gas-cooled reactor

Publish Date: 2025-04-25 Implement Date: 2025-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12789.3-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Nuclear reactors and nuclear island equipment in nuclear power plants

ICS Name: Nuclear power stations, safety

Publish Date: 2025-04-25

Implement Date: 2025-11-01

Pages: 12 pages

Scope

This document specifies the general requirements for specialized instrumentation and its applications necessary for the safe operation of high-temperature gas-cooled reactors, including overall requirements, neutron flux rate measurement, temperature measurement, coolant measurement, protection systems, instrumentation power sources, control facilities, and alarm systems, etc.
This document is applicable to the design and implementation of instrumentation and control systems for high-temperature gas-cooled reactors with indirect circulation.

Development Information

Word Count: 15 Thousand words Pages: 12 pages

Same series standard

GB/T 12789.1-2025 Criteria for nuclear reactor instrumentation—Part 1:General principles GB/T 12789.2-2025 Criteria for nuclear reactor instrumentation—Part 2:Pressurized water reactors

Replace the following standards

GB/T 12789.3-1992 Criteria for nuclear reactor instrumentation Part three—High temperature gas-cooled reactor(HTGR)

Referenced Standards

GB/T 12789.1-2025 Criteria for nuclear reactor instrumentation—Part 1:General principles GB 13284-1998 Criteria for safety systems for nuclear power plants GB/T 13284-2025 Design criteria of safety systems in nuclear power plants GB/T 13284.1-2008 The safety systems for nuclear power plants—Part 1:Design criteria

Related Standards

GB 6249-1986 Replaced

GB 6249-1986 Regulations for environmental rediation protection of nuclear power plant

Publish Date: 1986-04-23

GB/T 12726.1-1991 Replaced

GB/T 12726.1-1991 Radiation monitoring equipment for accident and post-accident conditions in nuclear power plants—Part 1:General requirements

Publish Date: 1991-02-07

GB/T 13178-1991 Replaced

GB/T 13178-1991 Partially depleted gold silicon surface barrier detectors

Publish Date: 1991-04-11

GB/T 13180-1991 Replaced

GB/T 13180-1991 G-M counter tubes for detecting γ radiation

Publish Date: 1991-04-11

GB/T 13182-1991 Replaced

GB/T 13182-1991 Scintillation detectors of sodium iodide (thallium)

Publish Date: 1991-04-11

GB/T 12726.2-1991 Replaced

GB/T 12726.2-1991 Radiation monitoring equipment for accident and post-accident conditions in nuclear power plants—Part 2:Specific requirements for equipment for continuously monitoring radioactive noble gases in gaseous effluents

Publish Date: 1991-09-03