Karimi, M. and Mohamad, H. and Mokhlis, Hazlie and Bakar, A.H.A.
(2012)
*A new approach of under-frequency load shedding technique in an islanded distribution network.*
International Review of Electrical Engineering, 7 (2).
pp. 4155-4162.
ISSN 18276660

## Abstract

Under-frequency load shedding is a common technique to maintain the power system stability by removing the overload in some part of the system. The existing under-frequency load shedding schemes operate successfully in the interconnected grid system. A particular approach of under-frequency load shedding scheme is required for an islanded system which is known to be not as strong as the grid. This paper presents a new approach of load shedding scheme in an islanded distribution system incorporating distribution state estimation. The scheme is based on an intelligent technique to reduce the effect of power deficiency in an islanded network. The disturbance magnitude is calculated based on rate of change of frequency by using the simplest expression of the generator swing equation. Moreover, the process for assessing the power consumption of the customer can be achieved by state estimation method. In this paper, state estimation for a distribution network is developed and enhanced by composite load model to obtain the most practical value of the system state variables. Finally, the calculated value of the disturbance magnitude will be shed according to the estimated value of loads in each bus.

Item Type: | Article |
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Additional Information: | Cited By (since 1996):1 Export Date: 17 April 2013 Source: Scopus Language of Original Document: English Correspondence Address: Karimi, M.; Departement of Electrical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia References: Aghamohammadi, M.R., Shahmohammadi, A., Intentional islanding using a new algorithm based on ant search mechanism (2011) International Journal of Electrical Power & Energy Systems; Mohamad, H., Mokhlis, H., Ab-Halim, A.B., Ping, H.W., A review on islanding operation and control for distribution network connected with small hydro power plant (2011) Renewable and Sustainable Energy Reviews, 15, pp. 3952-3962; Photovoltaics, D.G., Storage, E., (2011) IEEE Guide For Design, Operation, and Integration of Distributed Resource Island Systems With Electric Power Systems; (2000) IEEE Recommended Practice For Utility Interface of Photovoltaic (PV) Systems, p. 1. , IEEE Std 929-2000; (2003) IEEE Standard For Interconnecting Distributed Resources With Electric Power Systems, pp. 1-16. , IEEE Std 1547-2003; Terzija, V.V., Koglin, H.J., Adaptive underfrequency load shedding integrated with a frequency estimation numerical algorithm (2002) Generation, Transmission and Distribution, IEE Proceedings, 149, pp. 713-718; Ding, X., Girgis, A.A., Optimal load shedding strategy in power systems with distributed generation (2001) Power Engineering Society Winter Meeting, IEEE, 2, pp. 788-793; Terzija, V., Adaptive underfrequency load shedding based on the magnitude of the disturbance estimation (2006) IEEE Transactions On Power Systems, 21, pp. 1260-1266; El-Azab, R.M., Shehab Eldin, E.H., Lataire, P., Sallam, M.M., Power Measurement for the AUFL (2011) International Review On Modelling and Simulations (IREMOS), 4 (5), pp. 2285-2290; Ramesh, S., Krishnan, A., Fuzzy Logic Based Frequency Stabilization in a Parallel AC-DC Multi Area Non Reheat Thermal Power Systems (2010) International Review On Modelling and Simulations (IREMOS), 3 (4), pp. 590-597; Shokooh, F., Intelligent Load Shedding (2011) Industry Applications Magazine, IEEE, 17, pp. 44-53; Jung, J., Adaptation in load shedding under vulnerable operating conditions (2002) IEEE Transactions On Power Systems, 17, pp. 1199-1205; Shokooh, F., (2005) An Intelligent Load Shedding (ILS) System Application In a Large Industrial Facility, Industry Applications Conference, Fourtieth IAS Annual Meeting, 1, pp. 417-425. , Conference Record of the 2005; Andersson, D., (2004) Intelligent Load Shedding to Counteract Power System Instability, pp. 570-574. , Transmission and Distribution Conference and Exposition: Latin America, 2004 IEEE/PES; Hazarika, D., Sinha, A.K., Method for optimal load shedding in case of generation deficiency in a power system (1998) International Journal of Electrical Power & Energy Systems, 20, pp. 411-420; Wang, P., Billinton, R., Optimum load-shedding technique to reduce the total customer interruption cost in a distribution system (2000) Generation, Transmission and Distribution, IEE Proceedings, 147, pp. 51-56; Luan, W.P., Genetic algorithm for supply restoration and optimal load shedding in power system distribution networks (2002) Generation, Transmission and Distribution, IEE Proceedings, 149, pp. 145-151; Mohammadi, A., A Novel Approach to Power System Controller Design (2011) International Review On Modelling and Simulations (IREMOS), 4 (5), pp. 2348-2354; Lu, C., Distribution system state estimation (1995) IEEE Transactions On Power Systems, 10, pp. 229-240; Wu, F.F., Power system state estimation: A survey (1990) International Journal of Electrical Power & Energy Systems, 12, pp. 80-87; da Silva, A., Falcao, D., Bibliography on power system state estimation (1968-1989) (1990) IEEE Transactions On Power Systems, 5, pp. 950-961; Bose, A., Clements, K.A., Real-time modeling of power networks (1987) Proceedings of the IEEE, 75, pp. 1607-1622; Schweppe, F.C., Power system static-state estimation, Part III: Implementation (1970) IEEE Transactions On Power Apparatus and Systems, pp. 130-135; Thukaram, D., A robust three-phase state estimation algorithm for distribution networks (2000) Electric Power Systems Research, 55, pp. 191-200; Shahriari, A., Mokhlis, H., Bakar, A.H.A., Illias, H.A., Proposed Optimal Multiplier Load Flow Method for the Maximum Loading Point Search in Ill Conditioned System (2011) International Review On Modelling and Simulations (IREMOS), 4 (6), pp. 3155-3162; Deng, Y., A branch-estimation-based state estimation method for radial distribution systems (2002) IEEE Transactions On Power Delivery, 17, pp. 1057-1062; Ford, J.J., Adaptive load shedding and regional protection (2009) International Journal of Electrical Power & Energy Systems, 31, pp. 611-618; Karimi, M., Mohamad, H., Mokhlis, H., Bakar, A.H.A., Under-Frequency Load Shedding Scheme for Islanded Distribution Network Connected with Mini Hydro (2012) International Journal of Electrical Power & Energy Systems, 42, pp. 127-138; Rudez, U., Mihalic, R., Monitoring the First Frequency Derivative to Improve Adaptive Underfrequency Load-Shedding Schemes (2011) IEEE Transactions On Power Systems, p. 1; Giroletti, M., A hybrid frequency/power based method for industrial load shedding (2011) International Journal of Electrical Power & Energy Systems |

Uncontrolled Keywords: | Distributed generation; Distribution network; Distribution state estimation; Islanding; Under-frequency load shedding |

Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering |

Divisions: | Faculty of Engineering |

Depositing User: | Mr Jenal S |

Date Deposited: | 10 Jul 2013 08:42 |

Last Modified: | 09 Oct 2019 09:22 |

URI: | http://eprints.um.edu.my/id/eprint/7827 |

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