DIN EN 60255-121 VDE 0435-3121:2015-01

Measuring relays and protection equipment

Part 121: Functional requirements for distance protection

(IEC 60255-121:2014); German version EN 60255-121:2014
Class/Status: Standard, valid
Released: 2015-01
VDE Art. No.: 0400115

This part of IEC 60255 specifies minimum requirements for functional and performance evaluation of distance protection function typically used in, but not limited to, line applications for effectively earthed, three-phase power systems. This standard also defines how to document and publish performance tests.

This Document is related to the following Topics (in bold):

29	ELECTRICAL ENGINEERING
29.020	Electrical engineering in general
29.030	Magnetic materials
29.035	Insulating materials
29.040	Insulating fluids
29.050	Superconductivity and conducting materials
29.060	Electrical wires and cables
29.080	Insulation
29.100	Components for electrical equipment
29.120	Electrical accessories
29.130	Switchgear and controlgear
29.140	Lamps and related equipment
29.160	Rotating machinery
29.180	Transformers. Reactors
29.200	Rectifiers. Converters. Stabilized power supply
29.220	Galvanic cells and batteries
29.240	Power transmission and distribution networks
29.260	Electrical equipment for working in special conditions
29.280	Electric traction equipment

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DIN EN 60255-121 VDE 0435-3121:2015-01

Measuring relays and protection equipment

Part 121: Functional requirements for distance protection

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