GB/T 37549-2019Technical code for relaying protection of generator-transformer unit in large capacity nuclear power plant (English PDF)

1 Scope

This standard specifies the relay protection device for nuclear power generator transformers with a unit capacity of 600MW and above (hereinafter referred to as protective equipment).

Basic technical requirements, test methods, inspection rules and requirements for marking, packaging, transportation and storage.

This standard is applicable to the generator transformer group (hereinafter referred to as the generator group) protection device used in large nuclear power plants, and is used as the device.

For the basis of metering, manufacturing, testing and operation, units with a unit capacity of less than 600 MW can be implemented with reference to this standard.

This standard also applies to the following protective devices for large nuclear power plants.

---Generator protection device;

---Main transformer protection device;

---High-voltage factory transformer protection device;

---Auxiliary transformer protection device;

---Excitation transformer protection device.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 2900.1 Basic terminology of electrical terminology

GB/T 2900.17 Electrotechnical terminology measuring relay

GB/T 7261-2016 Basic test method for relay protection and safety automatic devices

GB/T 9361-2011 Computer Site Safety Requirements

GB/T 11287-2000 Electrical relays - Part 21. Vibrations, shocks, collisions and earthquakes of measuring relays and protection devices

Test Part 1. Vibration test (sinusoidal)

GB/T 14285-2006 Technical regulations for relay protection and safety automatic devices

GB/T 14598.24-2017 Measuring relays and protective devices - Part 24. Power system transient data exchange (COMTRADE) universal format

GB/T 19520.12 Mechanical structure of electronic equipment 482.6mm (19in) series mechanical structure dimensions - Part 3-101.

And its plugin

GB/T 20840.7-2007 Transformers - Part 7. Electronic voltage transformers

GB/T 20840.8-2007 Transformers - Part 8. Electronic current transformers

GB/T 26864-2011 Power system relay protection product dynamic model test

GB/T 50958-2013 Nuclear power plant conventional island design specification

DL/T 478-2013 General technical conditions for relay protection and safety automatic devices

DL/T 667-1999 Telecontrol equipment and systems - Part 5. Transmission Profiles Part 103. Relay protection equipment information interface

Set of standards

DL/T 671-2010 Generic technical conditions for generator transformer unit protection […]