PEM fuel cell supported distribution static compensator for power quality enhancement in three-phase four-wire distribution system

Sundarabalan, C.K.; Selvi, K.

doi:10.1016/j.ijhydene.2014.09.086

Cited by 32 publications

(10 citation statements)

References 20 publications

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“…The output of the controller is used to generate pulses to control the IGBTs of the converter. The real number genetic algorithm was successfully used to optimise the PI controller parameters [24]. The non‐linearity of loads leads to distortions in the signals that are usually rectified by using traditional PI controllers that can fail in providing high accuracy, fast processing of the reference signal.…”

Section: Control Strategymentioning

confidence: 99%

Fuel cell integrated unified power quality conditioner for voltage and current reparation in four‐wire distribution grid

2019

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Electrical and electronic devices, when exposed to one or more power quality problems, are prone to failure. This study aims to enhance the quality of power in three-phase four-wire distribution grid using fuel cell integrated unified power quality conditioner (FCI-UPQC). The proposed FCI-UPQC has a four-leg converter on the shunt side and three-leg converter on the series side. A combination of a synchronous reference frame and instantaneous reactive power theories is utilised to generate reference signals of the FCI-UPQC. Also, this study proposes an adaptive neuro-fuzzy inference system (ANFIS) controller to maintain the DC-link voltage in the FCI-UPQC. The ANFIS controller is designed like a Sugeno fuzzy architecture and trained offline using data from the proportional-integral controller. The obtained results proved that the proposed FCI-UPQC compensated power quality problems such as voltage sag, swell, harmonics, neutral current, source current imbalance in the three-phase four-wire distribution grid. The presence of fuel cell in this work makes more effectiveness of the proposed system by providing real power support during supply interruption on the grid side. load current I a *, I b *, I c * converter current V L2a , V L2b , V L2c load voltage

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Section: Control Strategymentioning

confidence: 99%

Fuel cell integrated unified power quality conditioner for voltage and current reparation in four‐wire distribution grid

2019

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“…When there is a sudden removal of large loads, the DSTATCOM provides better voltage support than SVC and other CPD's. Under a non-linear operating range, the DSTATCOM perfectly controls its output current independent of AC system voltage [10]. The DSTATCOM has faultless response time and it has the ability to easily interface with energy storage systems like large capacitors, batteries, Fuel Cell (FC).…”

Section: Introductionmentioning

confidence: 99%

Power Quality Enhancement in Sensitive Local Distribution Grid Using Interval Type-II Fuzzy Logic Controlled DSTATCOM

Pandu¹,

Sundarabalan

Srinath

et al. 2021

IEEE Access

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In the current scenario, integration of renewables, growth of non-linear industrial and commercial loads results in various power quality issues. Among commercial utilities connected to the grid, hospital-operated loads include sensitive, linear, non-linear, and unbalanced loads. These loads are diverse as well as prioritized, which also causes major power quality issues in the local distribution system. Due to its widespread divergence, it leads to harmonic injection and reactive power imbalance. Distribution Static Compensator (DSTATCOM) is proposed as a solution for harmonic mitigation, load balancing, reactive power imbalances, and neutral current compensation. The present work utilizes Interval Type-2 Fuzzy Logic Controller (IT2FLC) with Recursive Least Square (RLS) filter for generating switching pulses for IGBT switches in the DSTATCOM to improve power quality in the Local Distribution Grid. The proposed approach also shows superior performance over Type 1 fuzzy logic controller and Conventional PI controller in mitigating harmonics. For effective realization, the proposed system is simulated using MATLAB software.INDEX TERMS Local distribution grid, DSTATCOM, Interval type 2 fuzzy logic controller, power quality, and Recursive least square filter.

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“…A PEMFC stack is usually operating at an efficiency of around 50% with hydrogen and compressed air at normal operating condition 19 …”

Section: Introductionmentioning

confidence: 99%

DEC fuel cell‐based universal power compensator for dual PCC system

Patnaik

Panda

Mohanty³

et al. 2021

Int Trans Electr Energ Syst

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Summary This article proposes a special type of power conditioning system, termed as UPC (Universal Power Compensator) for a three‐phase four wire system to take care of several power quality aspects as well as supply interruption conditions, suitable for combination of different load coupling points, that is, PCC (point of common coupling). Two different PCCs are considered in the system, out of which one is a voltage sensitive point. UPC consist of a special UPQC arrangement, termed as left‐shunt UPQC and an external (independent) power source such as a fuel cell system (FCS) that includes fuel cell stack with DC‐DC converter. This arrangement prevents the effect of voltage disturbance on sensitive load point in addition to mitigating the current harmonic contamination from both the load points. The control structure for UPQC is based on direct DC‐link voltage control and is of prime importance and has been suitably adopted for the proposed arrangement. Also, a dynamic evolution control (DEC) algorithm is proposed for FCS of UPC for quick response under transient conditions, such as connection instant and load changes. Various performance domains such as harmonic compensation, voltage compensation, neutral current compensation and supply compensation of UPC are analyzed using simulation analysis with MATLAB/SIMULINK. Also, a comparative performance analysis is illustrated to indicate the superiority of DEC‐FC system.

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PEM fuel cell supported distribution static compensator for power quality enhancement in three-phase four-wire distribution system

Cited by 32 publications

References 20 publications

Fuel cell integrated unified power quality conditioner for voltage and current reparation in four‐wire distribution grid

Fuel cell integrated unified power quality conditioner for voltage and current reparation in four‐wire distribution grid

Power Quality Enhancement in Sensitive Local Distribution Grid Using Interval Type-II Fuzzy Logic Controlled DSTATCOM

DEC fuel cell‐based universal power compensator for dual PCC system

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