Comprehensive review on enhancement of stability in multimachine power system with conventional and distributed generations

Paital, Shiba R.; Ray, Partha; Mohanty, Asit

doi:10.1049/iet-rpg.2018.5401

Cited by 26 publications

(13 citation statements)

References 126 publications

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“…EMs in the system are in accordance with Table XIII which shows the EMs of the system without power fluctuations. With the fast and correct altering of the line power flow with respect to power swings in the system, the system stability margin and damping of critical modes are increased [44]. Installation of IPFC with flexible operation and correct series converter control appears to be the best solution to this problem.…”

Section: Modeling and Simulation Results Of Ipfc Using Ffa Design Methodsmentioning

confidence: 99%

Artificial Intelligence-Based Power System Stabilizers for Frequency Stability Enhancement in Multi-Machine Power Systems

et al. 2021

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Low frequency oscillations (LFOs) occur in a system of interconnected generators connected by weak interconnection. A power system stabilizer (PSS) is commonly used to improve the capacity of the power system dampening. Under a variety of operating conditions, traditional PSSs fail to deliver superior damping. To address this issue, a Farmland Fertility Algorithm (FFA-PSSs controller) was used to solve an optimization problem for optimal design of PSSs system parameters, and its performance efficiency was compared to GA and PSO-based PSSs controllers. In addition to PSS, flexible current transmission (FACTS) devices are widely used. PSSs controllers and FACTS devices are frequently constructed in tandem to improve the dampening efficiency of the system. In this study, an Interline Power Flow Controller (IPFC) FACTS device will be added to the PSSs controller to improve the power system's oscillatory stability. PSSs optimal design and supplemental controller of power fluctuations for IPFC were conducted out on WSCC multi-machine test systems using a linear system model. Using time-domain simulations and quantitative analysis, the proposed IPFC model was compared to the FFA-PSSs controller in terms of performance and efficiency. The main disadvantage of this technique is the difficulty in designing a dynamic IPFC model in test systems, as well as the burden of IPFC coordinated PSSs optimization. In both PSSs design using FFA method and FFA-optimized PSS with IPFC cases, rise in the computational and simulation costs was found unavoidable. To compensate for these flaws and obtain the research contribution, this paper proposes a Neuro-Fuzzy Controller (NFC) developed as a damping controller that can take the place of the two controllers (research objectives three). The application of the NFC substitutes the computational and simulation cost involved in designing multi-machine PSS and IPFC-FACTS systems simultaneously. With the availability of NFC in SIMULINK, a dynamic model of the WSCC three-machine system was developed under a variety of operating situations. Quantitative analysis results from the WSCC test system simulation show that when comparing the proposed NFC model to the IPFC model for the WSCC test system, the proposed NFC model was found to be 149 percent and 0 percent efficient in terms of the time to settle of rotor angle respond for G2 and G3, respectively, but 394 percent efficient when compared to the uncontrolled model. The decreased settling time values ensured the proposed NFC model's efficacy in damping down the LFO and achieving superior stability over the two controllers.

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Section: Modeling and Simulation Results Of Ipfc Using Ffa Design Methodsmentioning

confidence: 99%

Artificial Intelligence-Based Power System Stabilizers for Frequency Stability Enhancement in Multi-Machine Power Systems

et al. 2021

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“…Shiba Paital et al [5] A comprehensive review on stability analysis in multimachine power system is presented in this study. The increasing demand of power has led to the expansion of power system and complexity in design as well as operation.…”

Section: Literature Reviewmentioning

confidence: 99%

Power System Stability Study on Multi Machine Systems having DFIG Based Wind Generation System

Meher¹,

Upadhyay²

2020

IJOSCIENCE

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Power system stability is related to principles of rotational motion and the swing equation governing the electromechanical dynamic behavior. In the special case of two finite machines the equal area criterion of stability can be used to calculate the critical clearing angle on the power system, it is necessary to maintain synchronism, otherwise a standard of service to the consumers will not be achieved. With the increasing penetration of doubly fed induction generators (DFIGs), the impact of the DFIG on transient stability attracts great attention. Transient stability is largely dominated by generator types in the power system, and the dynamic characteristics of DFIG wind turbines are different from that of the synchronous generators in the conventional power plants. The analysis of the transient stability on DFIG integrated power systems has become a very important issue. This paper is a review of three types of stability condition. The first type of stability, steady state stability explains the maximum steady state power and the power angle diagram. There are several methods to improve system stability in which some methods are explained.

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“…The concept of transient stability was traditionally aimed at maintaining synchronism of big generation units connected to the transmission network. By connecting distributed generation (DG) and developing microgrids, transient stability is achieved at medium voltage [3,4]. Classification and overview of the methods used for analysing the stability of microgrids are presented in [5].…”

Section: Introductionmentioning

confidence: 99%

Technique for stability enhancement of microgrids during unsymmetrical disturbances using battery connected by single‐phase converters

Milošević

Đurišić

2020

IET Renewable Power Generation

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This study proposes a technique for the enhancement of the stability of microgrids during unsymmetrical temporary faults in the distribution network. In order to enhance the transient stability and the quality of voltage in the microgrid during different disturbances caused by faults in the distribution network, this study proposes a concept with a centralised battery energy storage system. The battery is connected to the network through single-phase converter units which are to be implemented in every phase so that they can inject independently both the active and reactive power in certain phases. The proposed technique enhances the transient stability of microgrids and provides symmetrical operating conditions for consumers and generators in it during all temporary symmetrical and unsymmetrical faults in the distribution network. An innovative concept has been proposed for managing the balance of active and reactive power that uses, as control variables, magnitude and voltage phase angle at the point of connection of the microgrid to the distribution system. The proposed concept and technique have been tested on the IEEE 33 BUS system with additional sources. The dynamic simulations of disturbances and the verification of the proposed technique have been performed in DIgSILENT PowerFactory software.

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Comprehensive review on enhancement of stability in multimachine power system with conventional and distributed generations

Cited by 26 publications

References 126 publications

Artificial Intelligence-Based Power System Stabilizers for Frequency Stability Enhancement in Multi-Machine Power Systems

Artificial Intelligence-Based Power System Stabilizers for Frequency Stability Enhancement in Multi-Machine Power Systems

Power System Stability Study on Multi Machine Systems having DFIG Based Wind Generation System

Technique for stability enhancement of microgrids during unsymmetrical disturbances using battery connected by single‐phase converters

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