Review of Electric Spring: A new smart grid device for efficient demand dispatch and active and reactive power control

Solanki, Mehul Dansinh; Joshi, S. K.

doi:10.1109/psc.2016.7462864

Cited by 15 publications

(6 citation statements)

References 27 publications

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“…The proposed voltage control structure scheme is shown in Figure 4a voltage quality of the critical loads (CLs) [30]. An ES has a voltage output that is perpendicular to the NCL's current direction.…”

Section: Proposed Voltage Control Schemementioning

confidence: 99%

Real‐time voltage control of electric spring in islanded condition

Panda

Kundu

Rajpurohit

2023

IET Energy Syst Integration

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Islanded microgrid network is sensitive to voltage and frequency fluctuations which becomes more vulnerable in the presence of external disturbance and the intermittent nature of Renewable Energy Sources (RESs). The “Electric Spring” (ES) is one of the most effective and efficient solutions for enhancing operational flexibility and RESs integration. A Self‐Excited Induction Generator (SEIG) based Micro hydro system with ES, non‐critical and critical loads is considered. Both non‐critical and critical loads are connected in 2:1 ratio in parallel with SEIG. The concept of voltage‐sensitive and non‐sensitive loads and the “power demand following the supply” idea have been incorporated for pointing up the contribution of ES. The non‐critical load coupled with a three‐phase inverter acts like an ES and can be operated as a Smart Load (SL). SL can compensate the voltage deviation between demand‐supply side, therefore mitigating the voltage fluctuations. The effectiveness of ES in terms of voltage regulation at the point of standard coupling has been achieved which improved the overall voltage profile of the hybrid microgrid system which can be observed from various test cases. A hardware in loop microgrid experimental platform is established and its results highlight the excellent performance of the proposed method.

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Section: Proposed Voltage Control Schemementioning

confidence: 99%

Real‐time voltage control of electric spring in islanded condition

Panda

Kundu

Rajpurohit

2023

IET Energy Syst Integration

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“…The original ES topology was considered in [34, 37–39, 72] and was recently referred to as the first generation of electrical springs ES‐1 [77, 84, 85]. The ES‐1 is connected in series with the non‐critical load

Z_{NC}

as shown in Fig.…”

Section: Ess In Single‐phase LV Microgridsmentioning

confidence: 99%

“…However, energy storage devices (such as batteries and supercapacitors) are essential to support active power compensation by the ESs. Two new ES topologies have been proposed in the literature, which overcome the active power limitation of the ES‐1 and are commonly referred to ES‐2 and ES‐3 (second and third generations), respectively [77, 84, 85]. The second generation of electrical springs (ES‐2) replaces the DC‐link capacitor of the ES‐1 by a battery bank as illustrated by Fig.…”

Section: Ess In Single‐phase LV Microgridsmentioning

confidence: 99%

Review of the current challenges and methods to mitigate power quality issues in single‐phase microgrids

Micallef

2018

IET Generation, Transmission & Distribution

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“…By looking at articles, [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18] electric springs have been used for different type of applications but not used for effective scheduling of AC and DC controllable loads in hybrid micro grid system which are dependent on main grid during generation intermittence. Further, by going through the works presented in References 19 and 20 it is also clear that various methodologies are suggested for energy management but electric springs are not yet used for the same.…”

Section: Introductionmentioning

confidence: 99%

“…AC electric springs were also used to mitigate voltage as well as frequency fluctuations in micro grids in order to enhance the power quality 12 . A comprehensive review of using AC electric springs for different applications has been presented in References 13 and 14.…”

Section: Introductionmentioning

confidence: 99%

A real time control strategy for improvement of autonomous operation in AC / DC micro grids using electric springs

Cherukuri

Kuhada

Kachhad

et al. 2020

Int Trans Electr Energ Syst

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The work presented in this article proposes a new centralized control strategy for energy management in grid interactive hybrid micro grids using AC and DC electric springs based on the available generation. The planned control strategy is very simple to implement and requires few mathematical calculations. Unlike many offline algorithms presented in literature, the proposed methodology works based on the voltage level at the load and generation buses on real time basis. The specific aim of this work is to reduce the energy served by the main grid during demand supply gaps in the micro grids. The considered hybrid micro grid consists of both AC and DC loads broadly classified as critical and noncritical loads of which critical loads are considered as uncontrollable loads. In this article, the energy conservation from main grid is achieved by making noncritical loads consume less power during generation uncertainties in the microsources. The simulations models and studies of the proposed online control technique are performed in MATLAB.

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Review of Electric Spring: A new smart grid device for efficient demand dispatch and active and reactive power control

Cited by 15 publications

References 27 publications

Real‐time voltage control of electric spring in islanded condition

Real‐time voltage control of electric spring in islanded condition

Review of the current challenges and methods to mitigate power quality issues in single‐phase microgrids

A real time control strategy for improvement of autonomous operation in AC / DC micro grids using electric springs

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