Evaluation study about Redox flow battery response and its modeling

Enomoto, K.; Sasaki, Tetsuo; Shigematsu, T.; Deguchi, Hiroshige

doi:10.1541/ieejpes1990.122.4_554

Cited by 28 publications

(22 citation statements)

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“…The Redox Flow Batteries are incorporated in the power system to meet the load frequency control problems and to ensure an improved power quality. With the excellent short-time overload output and response characteristics possessed by RFB in particular [12][13][14], the effects of generation control and the absorption of power fluctuation required for power quality maintenance as expected be achieved with the incorporation of RFB unit. The Redox Flow Batteries are capable of ensuring a very fast response and therefore, hunting due to a delay in response does not occur.…”

Section: Mathematical Modeling Of Redox Flow Batteriesmentioning

confidence: 99%

“…In order to compensate for sudden load changes, an active power source with fast response such as Redox Flow Batteries (RFB) has a wide range of applications such as power quality maintenance of decentralized power supplies. The RFB has effectively short-time overload output and have efficient response characteristics in the particular [12][13][14]. In this study, BFO algorithm is used to optimize the PI controller gains for LFC of a Two-Area Thermal Reheat Interconnected Power System (TATRIPS) in a restructured environment with and without RFB unit.…”

Section: Introductionmentioning

confidence: 99%

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Ancillary Service Requirement Assessment Indices for the Load Frequency Control in a Restructured Power System with Redox Flow Batteries

Chandrasekar¹,

Paramasivam²,

Chidambaram³

2016

Journal of Electrical Engineering and Technology

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-This paper proposes various design procedures for computing Power System Ancillary Service Requirement Assessment Indices (PSASRAI) for a Two-Area Thermal Reheat Interconnected Power System (TATRIPS) in a restructured environment. In an interconnected power system, a sudden load perturbation in any area causes the deviation of frequencies of all the areas and also in the tie-line powers. This has to be corrected to ensure the generation and distribution of electric power companies to ensure good quality. A simple Proportional and Integral (PI) controllers have wide usages in controlling the Load Frequency Control (LFC) problems. So the design of the PI controller gains for the restructured power system are obtained using Bacterial Foraging Optimization (BFO) algorithm. From the simulation results, the PSASRAI are calculated based on the settling time and peak over shoot concept of control input deviations of each area for different possible transactions. These Indices are useful for system operator to prepare the power system restoration plans. Moreover, the LFC loop coordinated with Redox Flow Batteries (RFB) has greatly improved the dynamic response and it reduces the control input requirements and to ensure improved PSASRAI, thereby improving the system reliability.

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Section: Mathematical Modeling Of Redox Flow Batteriesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ancillary Service Requirement Assessment Indices for the Load Frequency Control in a Restructured Power System with Redox Flow Batteries

Chandrasekar¹,

Paramasivam²,

Chidambaram³

2016

Journal of Electrical Engineering and Technology

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“…Battery energy storage [5,20] is very helpful in meeting the sudden load requirements and is effective in improving transient response of frequency and tie line power deviations. A variety of energy storage systems like SMES, BES, CES, RFB have been used in the LFC systems [18][19][20][21][22][23][24][25]. SMES has been applied to LFC problem by many researchers [18,19,21].…”

Section: Introductionmentioning

confidence: 99%

“…SMES has been applied to LFC problem by many researchers [18,19,21]. Rechargeable batteries such as RFB are equivalent to SMES and gaining momentum in research due to their fast and outstanding performance [5, [22][23][24][25] Representing a control area of power systems with multisources like hydro, thermal, gas, nuclear etc is more pragmatic [4,17,[28][29][30]. Most probably, Ramakrishna and Bhatti [28] have introduced first the LFC analysis using multi-source power generation in a control area.…”

Section: Introductionmentioning

confidence: 99%

“…Further, Parmar et al [31] overcome the difficulty of full state feedback controllers by replacing them with output feedback controllers (few states are required for feedback) and implemented in a single area multi-source power system. In this paper, the concept of multi-source modeling [4,17,28,30] is extended to present a power system with RFB [22][23] for LFC study using PSO based PI controller. The presented power system comprises non-reheat thermal, hydro and gas based units in the control area.…”

Section: Introductionmentioning

confidence: 99%

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Load Frequency Control of Multi-Source Power System with Redox Flow Batteries: An Analysis

Parmar¹

2014

IJCA

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This paper presents the Load frequency control (LFC) of a multi-source power system with Redox flow batteries (RFB). The power system comprises non-reheat thermal, hydro and gas generating units. RFB is integrated to the LFC system to improve the dynamic responses. The proportional plus integral (PI) controller is designed using the PSO technique. Dynamic responses are obtained by giving 1% step load perturbation (SLP) in the area. Further, to show the robustness of the controller, the dynamic responses are obtained by varying the SLP from 1% to 3%. Dynamic responses obtained in all the cases, satisfy the LFC requirements. PSO technique gives good convergence characteristics and promising computational results.

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Design and analysis of optimal AGC regulator for multi‐area power systems with TCPS and energy storage unit in deregulated environment

Mishra,

Kumar,

Chaturvedi

2024

Optim Control Appl Methods

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In today's electric power network, fast changes are the norm, and auxiliary services such as automatic generation control (AGC) play a crucial role in maintaining the quality of the power supply. AGC ensures a balance between power generation, demand, and losses to sustain frequency stability and variation in tie‐line power within a set limit, even when the load changes. To accomplish this, it is always beneficial to consider new approaches to controlling the situation. This paper introduces the design of new AGC regulators that consider deviation in DC tie‐line power as an extra control variable for the turbine controller. In this study, three different deregulated power systems (containing two control areas), namely three thermal generations, the combination of one thermal and two hydro generations, and three hydro generations, including two power distribution companies (DISCOs) in each control area. These optimal AGC regulators are implemented in the proposed thermal–thermal–thermal system to carry out the various power contracts. The results have shown that the dynamic outcomes meet the AGC standards. To improve further dynamic results and the proposed systems' stability margins by incorporating redox flow batteries (RFB). In actual operating conditions, the system parameters do not remain constant due to the aging effect, assumptions made in simplifying the mathematical model, etc. Thus, ±50% deviations in the nominal value of system parameters to assess how well the optimal AGC regulators perform in the system under investigation. The suggested realistic AGC system incorporates many parameter fluctuations and works well with the optimal AGC regulators developed for the proposed plans. This study expanded to include a two‐area, thermal‐hydro‐hydro (THH) system under a deregulated framework connected via an asynchronous transmission link with or without a thyristor‐controlled phase shifter (TCPS) and RFB. The genetic algorithm (GA) can solve many issues and has global search, flexibility to varied problem types, intrinsic parallelism, and the ability to handle massive, complex search spaces. Thus, a two‐area deregulated hydro‐hydro‐hydro system with parallel tie‐lines utilizes GA‐PID, GA‐FOPID, and GA‐(1 + PI)‐FOPID controllers. Moreover, a random load disturbance (RLD) is employed in each section of the offered approach to show the resilience and elite performance of the proposed control strategy. To produce various dynamic reactions in the plans, MATLAB software version R2013a is employed.

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Evaluation study about Redox flow battery response and its modeling

Cited by 28 publications

References 0 publications

Ancillary Service Requirement Assessment Indices for the Load Frequency Control in a Restructured Power System with Redox Flow Batteries

Ancillary Service Requirement Assessment Indices for the Load Frequency Control in a Restructured Power System with Redox Flow Batteries

Load Frequency Control of Multi-Source Power System with Redox Flow Batteries: An Analysis

Design and analysis of optimal AGC regulator for multi‐area power systems with TCPS and energy storage unit in deregulated environment

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