DL/T 1309-2013 (English Version) PDF

Scope: This standard specifies the generator set's loss of excitation protection, out-of-step protection, frequency abnormality protection, turbine overspeed protection control, overexcitation protection, stator overvoltage protection, important auxiliary equipment protection, underexcitation limit and protection, overexcitation limit and protection, stator Technical requirements for network-related protection such as current limitation and stator overload protection. This standard applies to steam turbine generator sets of 300MW and above, water turbine generator sets of 100MW and above, and gas generator sets of 100MW and above. Other generator sets may be implemented as a reference.

DL/T 1309-2013 Referenced Document

DL/T 1040-2007 The grid operation code
DL/T 331-2010 Guide of the key parameter coordination for planning and design of generator and power network
DL/T 684 Guide of calculating setting of relay protection for large generator and transformer
DL/T 970-2005 Guide for Abnormal and Special Operations and Maintenances of Large Turbo-Generators
DL/T 996-2006 Specification of steam turbine electro-hydraulic control system in fossil fuel power plant
GB/T 14285 Technical regulations for relay protection and safety automatic devices*， 2023-11-27 Update
GB/T 2900.49-2004 Electrotechnical terminology Power system protection
GB/T 7409.1-2008 Synchronous Motor Excitation System Definition

2013 DL/T 1309-2013 Technical specification for grid-related protection of large generating unit