Cross‐bonding cable and box model based on pulse reflection measurement. Issue 3 (1st May 2015)

• Record Type: Journal Article
• Authors: de Regt, Jos J.; Hoogendorp, Gerben; Wagenaars, Paul; Wouters, Peter A.A.F.; Popov, Marjan; van der Sluis, Lou; Steennis, E. Fred
• Is Part Of: IET science, measurement & technology. Volume 9:Issue 3(2015)
• Page Start: 268
• Page End: 275
• Publication Date: 2015-05-01
• Subjects: underground cables -- pulse measurement -- lightning protection -- arresters -- power overhead lines -- power system transients -- overvoltage protection -- overhead line conductors; voltage 400 kV -- PSCAD -- cross‐bonding cable screen -- overvoltage reduction -- surge arresters -- core conductor -- lightning impulse voltage -- impulse voltage injection -- cross‐bonding box -- inductive behaviour -- transmission line -- cross‐bonding box configuration -- steep pulse injection -- model parameters extraction -- transient signal propagation -- overvoltage modelling -- cross‐bonding connection -- power cable transitions -- overhead line -- underground cable -- lightning strike -- pulse reflection measurement -- cross‐bonding cable and box model; Measurement -- Periodicals; Electrical engineering -- Periodicals; Electronics -- Periodicals; Nanotechnology -- Periodicals; Electromagnetism -- Periodicals; Medical instruments and apparatus -- Periodicals; 621.3
• DOI: 10.1049/iet-smt.2014.0095
• Languages: English
• ISSNs: 1751-8822

Abstract

Abstract : Transients from lightning strikes can enter underground cables at overhead line to power cable transitions. Possible overvoltages on these surges at cross‐bonding connections of the cable screens are of major concern. A model is developed for modelling overvoltages from transient signal propagation through a combined cross‐bonding cable and box. This model is applied to the first Dutch 400 kV cable connection. Such model incorporates model parameters whose values depend on design details of the cross‐bonding box. The values for these model parameters are extracted from the measured transmission and reflection signal on steep pulses injected into the actual cross‐bonding box configuration. The model combines transmission line description for the cross‐bonding cables with mainly inductive behaviour of the cross‐bonding box. The obtained results are verified by measurements. The model is applied to investigate overvoltages induced at the cross‐bonding cable and box on 1.2/50 µs impulse voltage injection representing a lightning impulse voltage applied to the core conductor of the cross‐bonding cable. Furthermore, the effectiveness of surge arresters to reduce overvoltages at the cross‐bonding cable screen is demonstrated by simulations with this model in PSCAD.