Proportional and Integral controller based LFC in a Restructured Power System considering Hydrogen Energy Storage Unit with the Computation of Ancillary Service Requirement Assessment Indices

Authors

  • ND. Sridhar  Assistant Professor, Department of Electrical Engineering, Annamalai University, Annamalainagar, Tamilnadu, India

Keywords:

Ancillary Service, Hydrogen Energy Storage, Proportional and Integral plus Controller, Bacterial Foraging Optimization, Power System Ancillary Service Requirement Assessment Indices.

Abstract

This paper proposes the computation procedure for obtaining Power System Ancillary Service Requirement Assessment Indices (PSASRAI) for a Two-Area Thermal Reheat Interconnected Power System (TATRIPS) in a restructured environment. These Indices indicates the Ancillary Service Requirement to improve the efficiency of the physical operation of the power system. Even though Proportional and Integral (PI) type controllers have wide usages in controlling the Load Frequency Control (LFC) problems the Integral gain in the PI controller is limited relatively to small values because of its high the overshoot in the transient’s response. Sothe Proportional and Integral plus (PI+) controller was proposed and adopted in this paper. The PI+ controller uses a low-pass filter on the command signal to remove the over shoot. The PI+ controller gains values for the restructured power system are obtained using Bacterial Foraging Optimization (BFO) algorithm. These controllers are implemented in a TATRIPS to achieve a faster restoration time in the output responses of the system when the system experiences various step load perturbations. The PSASRAI are computed based on the settling time and peak over shoot of the control input deviations of each area. To ensure a faster settling time and reduced peak over shoot of the control input requirements, energy storage is an attractive option to adopt for the demand side management implementation. HenceHydrogen Energy Storage (HES)unit was adapted effectively to TATRIPS to meet the peak demand by computing and enhanced Power System Ancillary Service Requirement Assessment Indices. In this paper the PSASRAI are calculated for different types of transactions and the necessary remedial measures to be adopted are also suggested.

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International Journal of Scientific Research in Science, Engineering and Technology

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Published

2016-02-25

Issue

Volume 2, Issue 1, January-February-2016

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Research Articles

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How to Cite

[1]
ND. Sridhar, " Proportional and Integral controller based LFC in a Restructured Power System considering Hydrogen Energy Storage Unit with the Computation of Ancillary Service Requirement Assessment Indices, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 1, pp.657-670, January-February-2016.