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Fractional order fuzzy PID controller for wind energy-based hybrid power system using quasi-oppositional harmony search algorithm

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IET GENERATION TRANSMISSION & DISTRIBUTION 2017年第13期11卷 3299-3309页

作者： Mahto, Tarkeshwar Mukherjee, Vivekananda Indian Sch Mines Dept Elect Engn Indian Inst Technol Dhanbad Jharkhand India

In this study, a novel fuzzy logic control scheme is investigated for the frequency and power control of an isolated hybrid power system (HPS) (IHPS) and HPS-based two-area power system. The studied IHPS comprises of various autonomous generation systems such as wind energy, diesel engine generator and an energy storage device (i.e. capacitor energy storage device). A novel fractional order (FO) fuzzy proportional-integral-derivative (PID) (FO-F-PID) controller scheme is deployed and the various tunable parameters of the studied model are tuned by quasi-oppositional harmony search (HS) (qohs) algorithm for improved performance. The qohs algorithm (based on standard HS algorithm) accelerates the convergence speed by combining the concept of quasi-opposition in the basic HS framework. This FO-F-PID controller shows better performance over the integer order-PID and F-PID controller in both linear and non-linear operating regimes. The proposed FO-F-PID controller also shows stronger robustness properties against loading mismatch and different rate constraint non-linarites than other controller structures.

关键词： hybrid power systems wind power plants fuzzy control three-term control power control frequency control power generation control diesel-electric generators supercapacitors search problems wind energy-based hybrid power system quasioppositional harmony search algorithm fuzzy logic control scheme frequency control power control isolated hybrid power system IHPS HPS-based two-area power system autonomous generation systems diesel engine generator energy storage device fractional order fuzzy proportional-integral-derivative controller scheme FO-F-PID controller scheme qohs algorithm

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Frequency stabilisation of a hybrid two-area power system by a novel quasi-oppositional harmony search algorithm

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IET GENERATION TRANSMISSION & DISTRIBUTION 2015年第15期9卷 2167-2179页

作者： Mahto, Tarkeshwar Mukherjee, Vivekananda Indian Sch Mines Dept Elect Engn Dhanbad 826004 Jharkhand India

Modelling, simulation and performance analysis of a two-area thermal-hybrid distributed generation (HDG) power system having different sources of power generation has been carried out in this study. The thermal power plant is consisting of re-heat type thermal system, whereas the HDG system includes the combination of wind turbine generator and diesel generator. In the studied model, superconducting magnetic energy storage (SMES) device is considered in both the areas. Additionally, a flexible ac transmission system (FACTS) device such as static synchronous series compensator (SSSC) is also considered in the tie-line. The different tunable parameters of the proportional-integral-derivative (PID) controllers, SMES and SSSC are optimised using a novel quasi-oppositional harmony search (qohs) algorithm. Optimisation performance of the novel qohs algorithm is established while comparing its performance with binary coded genetic algorithm. From the simulation work it is observed that with the inclusion of SMES in both the areas, the system performances toward the achievement of minimal frequency and tie-line power oscillations are promising under different types of input loading perturbations. It is further revealed from the simulation results that the installation of an expensive FACTS device such as SSSC does not yield any significant improvement to the system performance.

关键词： frequency stability power system stability search problems genetic algorithms distributed power generation thermal power stations wind turbines diesel-electric generators flexible AC transmission systems superconducting magnet energy storage three-term control power generation control frequency stabilisation HDG power system two-area thermal-hybrid distributed generation power generation quasi-oppositional harmony search algorithm thermal power plant reheat type thermal system wind turbine generator diesel generator superconducting magnetic energy storage device SMES device flexible ac transmission system device FACTS device static synchronous series compensator SSSC qohs algorithm optimisation performance binary coded genetic algorithm tie-line power oscillations input loading perturbations tunable parameters PID controllers

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Quasi-oppositional harmony search algorithm and fuzzy logic controller for load frequency stabilisation of an isolated hybrid power system

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IET GENERATION TRANSMISSION & DISTRIBUTION 2015年第5期9卷 427-444页

作者： Tarkeshwar, Mahto Mukherjee, Vivekananda Indian Sch Mines Dept Elect Engn Dhanbad 826004 Bihar India

The studied isolated hybrid distributed generation (IHDG) model of this paper consists of a wind turbine generator and a diesel engine generator. This work presents a study for improving both frequency and power deviation profiles of the studied IHDG model with the help of capacitive energy storage (CES) unit. A novel derivative-free meta-heuristic method, termed as quasi-oppositional harmony search (qohs) algorithm, is applied to determine the optimal frequency and power deviation responses by tuning the tunable parameters of the studied IHDG model. The two fuzzy logic controllers (FLCs) are used (one at diesel unit and the other at wind generator side) to generate the output levelling frequency and power command. Each fuzzy control has two inputs, either frequency or power deviation and their respective derivatives. The two proposed FLCs are designed with qohs algorithm for the studied CES equipped IHDG model. Performance study of the model has been carried out under different perturbation conditions. The results presented in this study demonstrate that minimum frequency and power deviations have been achieved by using the two proposed FLCs for the CES equipped studied IHDG model.

关键词： fuzzy control distributed power generation wind turbines turbogenerators diesel-electric generators capacitor storage frequency response frequency stability power system stability power generation control quasioppositional harmony search algorithm fuzzy logic controller load frequency stabilisation isolated hybrid power system isolated hybrid distributed generation model IHDG model wind turbine generator diesel engine generator frequency deviation profile power deviation profile capacitive energy storage unit CES unit derivative-free meta-heuristic method qohs algorithm optimal frequency response power deviation response FLC output levelling frequency power command perturbation condition

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