DL/T 1502-2016Guide of calculating settings of relay protections for auxiliary system of power plant (English PDF)

DL/T 1502-2016 is the English-translated version of 厂用电继电保护整定计算导则.

DL/T 1502-2016 — This standard prescribes the principles and methods of setting calculation of relay protection for auxiliary power system, which is the basis for setting calculation of design, research, operation, commissioning and manufacturing department.

This standard includes high-voltage auxiliary transformer protection, low-voltage auxiliary transformer protection, high-voltage auxiliary power supply protection, high-voltage auxiliary power supply protection, low-voltage auxiliary power supply system protection (0.4kV part) and standby power supply switching device Tuning calculation.

This standard is applicable to setting calculation of relay protection of auxiliary power system of firepower and hydroelectric power plants.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 34 pages — is available in the English PDF.

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