DL/T 1505-2016 in English

Scope

This standard stipulates the basic technical requirements, test methods and inspection rules for relay protection devices (hereinafter referred to as protection devices) of gas turbine generator sets with a single unit capacity of 100MW and above with variable frequency start-up. Below 100MW, this standard can be referred to. This standard applies to generator-transformer group protection devices used in large gas power plants (including generator protection devices, main transformer protection devices, high-voltage factory transformer protection devices, high-voltage starting/standby transformer protection devices and excitation transformer protection devices), and As the basis for the development, design, manufacturing, testing and operation of protective devices.