Related Manuals for ABB ArcLimiter
Summary of Contents for ABB ArcLimiter
- Page 1 — T EC H N I C A L A N D A P P L I C AT I O N G U I D E ArcLimiter Arc flash mitigation solution for low voltage equipment using UFES (ultra- fast earthing switch)
- Page 2 — Many industries are facing internal or external deadlines to implement arc flash (AF) mitigation solutions within their facilities. ABB now offers ArcLimiter , an arc flash mitigation solution that is unique in the industry. It solves the LV arc flash problem at the MV or LV system level.
- Page 3 007 – 008 Low resistance/grounded MV systems 009 – 010 High resistance/grounded MV systems 011 – 012 Ungrounded Delta MV systems Summary of ArcLimiter solution application scenarios MV-LV transformers fed by MV breaker ArcLimiter solution application at LV system level...
- Page 4 It solves the LV AF problem at the MV or LV system level. Many industries have internal distribution system configurations as shown in Figure 1. The REA and UFES are ABB product additions to this typical configuration that comprise the ArcLimiter AF mitigation solution.
- Page 5 T E C H N I C A L A N D A P P L I C AT I O N G U I D E LV starters can drop out while we are waiting for full Post testing analysis revealed that MV system fuse interruption.
- Page 6 A R C F L A S H M I T I G AT I O N S O LU T I O N F O R LV U S I N G U F E S — Solidly grounded MV systems On a solidly grounded MV system, the ArcLimiter application for LV arc flash mitigation is proven very effective by test. —...
- Page 7 Low resistance/grounded MV systems If the MV system is not solidly grounded, but low resistance neutral grounded, the application of the ArcLimiter solution needs to change. — If the MV system is not solidly grounded, but low The only path for fault current is through the phase...
- Page 8 A R C L I M I T E R A R C F L A S H M I T I G AT I O N S O LU T I O N F O R LV U S I N G U F E S —...
- Page 9 — High resistance/grounded MV systems If the MV system is high resistance neutral grounded, the application of the ArcLimiter solution needs to change. — If the MV system is high resistance neutral system recovery starts) with full CLF interruption 05 MV system is grounded (Figure 5) the application of the Ar- by 1.5-2 ms (SCC dependent).
- Page 10 A R C L I M I T E R A R C F L A S H M I T I G AT I O N S O LU T I O N F O R LV U S I N G U F E S —...
- Page 11 T E C H N I C A L A N D A P P L I C AT I O N G U I D E — Ungrounded Delta MV systems If the MV system is delta ungrounded, the application is very similar to high resistance grounded systems.
- Page 12 A R C L I M I T E R A R C F L A S H M I T I G AT I O N S O LU T I O N F O R LV U S I N G U F E S —...
- Page 13 T E C H N I C A L A N D A P P L I C AT I O N G U I D E — Summary of ArcLimiter solution MV application scenarios — Summary Table Low resistance grounded MV...
- Page 14 A R C L I M I T E R A R C F L A S H M I T I G AT I O N S O LU T I O N F O R LV U S I N G U F E S —...
- Page 15 2500KVA base rated. Per ANSI, energizing the ABB’s ArcLimiter solution to the LV transformer transformer will produce an inrush of 12*FLA for side with the same arc flash mitigation effective- 0.1s.
- Page 16 A R C L I M I T E R A R C F L A S H M I T I G AT I O N S O LU T I O N F O R LV U S I N G U F E S —...
- Page 17 Any reli- ance placed on such information is therefore strictly at your own risk. ABB reserves the right to discontin- ue any product or service at any time. © Copyright 2020 ABB. All rights reserved.