IEC 62271-110:2017
High-voltage switchgear and controlgear - Part 110: Inductive load switching
- Standard No.
- IEC 62271-110:2017
- Release Date
- 2017
- Published By
- International Electrotechnical Commission (IEC)
- Status
- Replace By
- IEC 62271-110:2017/COR1:2017
- Latest
- IEC 62271-110:2023 RLV
- Replace
- IEC 17A/1151/FDIS:2017 IEC 62271-110:2012 IEC 62271-110 CORR 1:2012
- Scope
- This part of IEC 62271 is applicable to AC switching devices designed for indoor or outdoor installation, for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1000 V and applied for inductive current switching. It is applicable to switching devices (including circuit-breakers in accordance with IEC 62271-100) that are used to switch high-voltage motor currents and shunt reactor currents and also to high-voltage contactors used to switch high-voltage motor currents as covered by IEC 62271-106. Switching unloaded transformers, i.e. breaking transformer magnetizing current, is not considered in this document. The reasons for this are as follows: a) Owing to the non-linearity of the transformer core, it is not possible to correctly model the switching of transformer magnetizing current using linear components in a test laboratory. Tests conducted using an available transformer, such as a test transformer, will only be valid for the transformer tested and cannot be representative for other transformers. b) As detailed in IEC TR 62271-306, the characteristics of this duty are usually less severe than any other inductive current switching duty. Such a duty may produce severe overvoltages within the transformer winding(s) depending on the re-ignition behaviour of the switching device and transformer winding resonance frequencies. NOTE 1 The switching of tertiary reactors from the high-voltage side of the transformer is not covered by this document. NOTE 2 The switching of shunt reactors earthed through neutral reactors is not covered by this document. However, the application of test results according to this document, on the switching of neutral reactor earthed reactors (4-leg reactor scheme), is discussed in IEC TR 62271-306.
IEC 62271-110:2017 Referenced Document
- IEC 60050-441:1984 International Electrotechnical Vocabulary. Part 441 : Chapter 441: Switchgear, controlgear and fuses
- IEC 62271-100:2008 High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers
- IEC 62271-106:2011 High-voltage switchgear and controlgear - Part 106: Alternating current contactors, contactor-based controllers and motor-starters
- IEC 62271-1:2017 High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear
IEC 62271-110:2017 history
- 0000 IEC 62271-110:2023 RLV
- 2018 IEC 62271-110:2017/COR2:2018 High-voltage switchgear and controlgear - Part 110: Inductive load switching; Corrigendum 2
- 2017 IEC 62271-110:2017/COR1:2017 High-voltage switchgear and controlgear - Part 110: Inductive load switching; Corrigendum 1
- 0000 IEC 62271-110:2017 RLV
- 2012 IEC 62271-110:2012/COR1:2012 CORRIGENDUM 1 High-voltage switchgear and controlgear – Part 110: Inductive load switching (Edition 3.0)
- 2012 IEC 62271-110:2012 High-voltage switchgear and controlgear - Part 110: Inductive load switching
- 2009 IEC 62271-110:2009 High-voltage switchgear and controlgear - Part 110: Inductive load switching
- 2005 IEC 62271-110:2005 High-voltage switchgear and controlgear - Part 110: Inductive load switching
