NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN IEC/TR 61869-100 ; VDE 0414-9-100:2018-06 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60909-0 | 2016-01 | Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents More |
| IEC 61869-1 | 2007-10 | Instrument transformers - Part 1: General requirements More |
| IEC 61869-2 | 2012-09 | Instrument transformers - Part 2: Additional requirements for current transformers More |
| IEC 60255-12 | 1980 | Electrical relays. Part 12 : Directional relays and power relays with two input energizing quantities More |
| IEC 60255-121 | 2014-03 | Measuring relays and protection equipment - Part 121: Functional requirements for distance protection More |
| IEC 60255-127 | 2010-04 | Measuring relays and protection equipment - Part 127: Functional requirements for over/under voltage protection More |
| IEC 60255-13 | 1980 | Electrical relays. Part 13 : Biased (percentage) differential relays More |
| IEC 60255-149 | 2013-07 | Measuring relays and protection equipment - Part 149: Functional requirements for thermal electrical relays More |
| IEC 60255-151 | 2009-08 | Measuring relays and protection equipment - Part 151: Functional reuirements for over/under current protection More |
| IEC 60255-21-1 | 1988 | Electrical relays; part 21: vibration, shock, bump and seismic tests on measuring relays and protection equipment; section one: vibration tests (sinusoidal) More |
