Standard

Shunt Compensation Sizing, Reliability Analysis, and Condition Monitoring Measurements and Simulations for an EHV Mixed OHL-Cable Connection. / Khalilnezhad, Hossein; Barakou, F.; Kandalepa, Nikoleta; Wu, Jiayang; Wu, L; Popov, Marjan; Steennis, EF; Wouters, P.A.A.F.; Mousavi Gargari, S.; Bos, JA; de Jong, JPW; Jansen, CPJ; Smit, J; Kuik, R.

CIGRE, C4-304. Paris : Cigré, 2016. p. 1-11.

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Harvard

Khalilnezhad, H, Barakou, F, Kandalepa, N, Wu, J, Wu, L, Popov, M, Steennis, EF, Wouters, PAAF, Mousavi Gargari, S, Bos, JA, de Jong, JPW, Jansen, CPJ, Smit, J & Kuik, R 2016, Shunt Compensation Sizing, Reliability Analysis, and Condition Monitoring Measurements and Simulations for an EHV Mixed OHL-Cable Connection. in CIGRE, C4-304. Cigré, Paris, pp. 1-11, Cigré Session 2016, Paris, France, 21/08/16.

APA

Khalilnezhad, H., Barakou, F., Kandalepa, N., Wu, J., Wu, L., Popov, M., ... Kuik, R. (2016). Shunt Compensation Sizing, Reliability Analysis, and Condition Monitoring Measurements and Simulations for an EHV Mixed OHL-Cable Connection. In CIGRE, C4-304 (pp. 1-11). Paris: Cigré.

Vancouver

Author

Khalilnezhad, Hossein ; Barakou, F. ; Kandalepa, Nikoleta ; Wu, Jiayang ; Wu, L ; Popov, Marjan ; Steennis, EF ; Wouters, P.A.A.F. ; Mousavi Gargari, S. ; Bos, JA ; de Jong, JPW ; Jansen, CPJ ; Smit, J ; Kuik, R. / Shunt Compensation Sizing, Reliability Analysis, and Condition Monitoring Measurements and Simulations for an EHV Mixed OHL-Cable Connection. CIGRE, C4-304. Paris : Cigré, 2016. pp. 1-11

BibTeX

@inproceedings{9ea9a4e2ebf747a3929bdf954100b198,
title = "Shunt Compensation Sizing, Reliability Analysis, and Condition Monitoring Measurements and Simulations for an EHV Mixed OHL-Cable Connection",
abstract = "The worldwide demand for electricity, which is steadily increasing, leads to a continuous need for developing and extending the electrical transmission networks. However, the installation of new overhead lines (OHL) faces many challenges due to societal and environmental reasons. One solution that gains widespread public support is the installation of EHV AC XLPE underground cables (UGC). Although this development is quite encouraging from a societal perspective, new challenges might arise, mainly from a technical perspective. This is due to different electrical characteristics of underground cables compared to OHL as well as long repair time in the case of failure in cablesystems. These aspects highlight the necessity of investigating power system technical performance issues related to application of EHV cables to prevent any unwanted condition in partially cabled grids. This paper, among various system operation issues, investigates optimum shunt compensation sizing, reliability analysis, and condition monitoring of EHV cable systems. Reactive power compensation by means of shunt reactors should be allocated for long cables to consume their reactive power surplus. It is crucial to have sufficient size of shunt compensation because both undercompensation and overcompensation can lead to undesirable system operation like overvoltage and zero-missing phenomenon. In this work, the shunt compensation sizing of a 80 km double-circuit connection in the Dutch transmission system consisting of series connected OHL and cable sections is studied. The sizing is performed for two load-flow scenarios and based on four sizing criteria and different cable lengths in the case study. Moreover, the most decisive sizing criterion ineach case is determined too.The next studied issue is the reliability analysis of partially cabled EHV grids. The additional components of UGC (joints and terminations) together with a significantly larger repair time (compared to OHL), reduce the reliability of the whole system. In this work, a reliability assessment approach is developed in order to examine how the installation of EHV UGC in transmission networksimpacts the overall reliability level. A contingency analysis regarding failures of 380 kV OHL and UGC is performed through state enumeration. Reliability indicators are calculated by performing a dc load-flow calculation and applying remedial actions (if necessary) to relieve overloads. Varying cable length is installed in three connections in the Dutch network, the probability of load curtailment is calculated and the main factors that influence the probability of overload with EHV UGC are explored. The third studied aspect is the condition monitoring of cable systems. An advanced real time Condition Monitoring System (CMS) was installed in the Dutch 380 kV grid and its goal is to monitorthe status of the cable connection and its impact on the 380 kV electricity transmission network. In this paper, a first comparison between measurement and simulation results, in both time and frequency domain, is presented. In this way a first validation of the simulation models is performed and the reasons of possible deviations are discussed.",
keywords = "EHV cables, Cable length, Shunt compensation, Compensation sizing, Reliability analysis, Remedial actions, Reliability indicators, Condition monitoring, Energization transients, PSCAD/EMTDC",
author = "Hossein Khalilnezhad and F. Barakou and Nikoleta Kandalepa and Jiayang Wu and L Wu and Marjan Popov and EF Steennis and P.A.A.F. Wouters and {Mousavi Gargari}, S. and JA Bos and {de Jong}, JPW and CPJ Jansen and J Smit and R Kuik",
year = "2016",
language = "English",
pages = "1--11",
booktitle = "CIGRE, C4-304",
publisher = "Cigr{\'e}",

}

RIS

TY - GEN

T1 - Shunt Compensation Sizing, Reliability Analysis, and Condition Monitoring Measurements and Simulations for an EHV Mixed OHL-Cable Connection

AU - Khalilnezhad, Hossein

AU - Barakou, F.

AU - Kandalepa, Nikoleta

AU - Wu, Jiayang

AU - Wu, L

AU - Popov, Marjan

AU - Steennis, EF

AU - Wouters, P.A.A.F.

AU - Mousavi Gargari, S.

AU - Bos, JA

AU - de Jong, JPW

AU - Jansen, CPJ

AU - Smit, J

AU - Kuik, R

PY - 2016

Y1 - 2016

N2 - The worldwide demand for electricity, which is steadily increasing, leads to a continuous need for developing and extending the electrical transmission networks. However, the installation of new overhead lines (OHL) faces many challenges due to societal and environmental reasons. One solution that gains widespread public support is the installation of EHV AC XLPE underground cables (UGC). Although this development is quite encouraging from a societal perspective, new challenges might arise, mainly from a technical perspective. This is due to different electrical characteristics of underground cables compared to OHL as well as long repair time in the case of failure in cablesystems. These aspects highlight the necessity of investigating power system technical performance issues related to application of EHV cables to prevent any unwanted condition in partially cabled grids. This paper, among various system operation issues, investigates optimum shunt compensation sizing, reliability analysis, and condition monitoring of EHV cable systems. Reactive power compensation by means of shunt reactors should be allocated for long cables to consume their reactive power surplus. It is crucial to have sufficient size of shunt compensation because both undercompensation and overcompensation can lead to undesirable system operation like overvoltage and zero-missing phenomenon. In this work, the shunt compensation sizing of a 80 km double-circuit connection in the Dutch transmission system consisting of series connected OHL and cable sections is studied. The sizing is performed for two load-flow scenarios and based on four sizing criteria and different cable lengths in the case study. Moreover, the most decisive sizing criterion ineach case is determined too.The next studied issue is the reliability analysis of partially cabled EHV grids. The additional components of UGC (joints and terminations) together with a significantly larger repair time (compared to OHL), reduce the reliability of the whole system. In this work, a reliability assessment approach is developed in order to examine how the installation of EHV UGC in transmission networksimpacts the overall reliability level. A contingency analysis regarding failures of 380 kV OHL and UGC is performed through state enumeration. Reliability indicators are calculated by performing a dc load-flow calculation and applying remedial actions (if necessary) to relieve overloads. Varying cable length is installed in three connections in the Dutch network, the probability of load curtailment is calculated and the main factors that influence the probability of overload with EHV UGC are explored. The third studied aspect is the condition monitoring of cable systems. An advanced real time Condition Monitoring System (CMS) was installed in the Dutch 380 kV grid and its goal is to monitorthe status of the cable connection and its impact on the 380 kV electricity transmission network. In this paper, a first comparison between measurement and simulation results, in both time and frequency domain, is presented. In this way a first validation of the simulation models is performed and the reasons of possible deviations are discussed.

AB - The worldwide demand for electricity, which is steadily increasing, leads to a continuous need for developing and extending the electrical transmission networks. However, the installation of new overhead lines (OHL) faces many challenges due to societal and environmental reasons. One solution that gains widespread public support is the installation of EHV AC XLPE underground cables (UGC). Although this development is quite encouraging from a societal perspective, new challenges might arise, mainly from a technical perspective. This is due to different electrical characteristics of underground cables compared to OHL as well as long repair time in the case of failure in cablesystems. These aspects highlight the necessity of investigating power system technical performance issues related to application of EHV cables to prevent any unwanted condition in partially cabled grids. This paper, among various system operation issues, investigates optimum shunt compensation sizing, reliability analysis, and condition monitoring of EHV cable systems. Reactive power compensation by means of shunt reactors should be allocated for long cables to consume their reactive power surplus. It is crucial to have sufficient size of shunt compensation because both undercompensation and overcompensation can lead to undesirable system operation like overvoltage and zero-missing phenomenon. In this work, the shunt compensation sizing of a 80 km double-circuit connection in the Dutch transmission system consisting of series connected OHL and cable sections is studied. The sizing is performed for two load-flow scenarios and based on four sizing criteria and different cable lengths in the case study. Moreover, the most decisive sizing criterion ineach case is determined too.The next studied issue is the reliability analysis of partially cabled EHV grids. The additional components of UGC (joints and terminations) together with a significantly larger repair time (compared to OHL), reduce the reliability of the whole system. In this work, a reliability assessment approach is developed in order to examine how the installation of EHV UGC in transmission networksimpacts the overall reliability level. A contingency analysis regarding failures of 380 kV OHL and UGC is performed through state enumeration. Reliability indicators are calculated by performing a dc load-flow calculation and applying remedial actions (if necessary) to relieve overloads. Varying cable length is installed in three connections in the Dutch network, the probability of load curtailment is calculated and the main factors that influence the probability of overload with EHV UGC are explored. The third studied aspect is the condition monitoring of cable systems. An advanced real time Condition Monitoring System (CMS) was installed in the Dutch 380 kV grid and its goal is to monitorthe status of the cable connection and its impact on the 380 kV electricity transmission network. In this paper, a first comparison between measurement and simulation results, in both time and frequency domain, is presented. In this way a first validation of the simulation models is performed and the reasons of possible deviations are discussed.

KW - EHV cables

KW - Cable length

KW - Shunt compensation

KW - Compensation sizing

KW - Reliability analysis

KW - Remedial actions

KW - Reliability indicators

KW - Condition monitoring

KW - Energization transients

KW - PSCAD/EMTDC

M3 - Conference contribution

SP - 1

EP - 11

BT - CIGRE, C4-304

PB - Cigré

CY - Paris

ER -

ID: 11203627