Secondary‐control‐based harmonics compensation scheme for voltage‐ and current‐controlled inverters in islanded microgrids

Mousavi, Seyyed Yousef Mousazadeh; Jalilian, Alireza; Savaghebi, Mehdi; Guerrero, Josep M.

doi:10.1049/iet-rpg.2019.0782

Cited by 9 publications

(2 citation statements)

References 44 publications

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“…There are effective strategies to compensate the harmonics in microgrids, including harmonic detection and extraction methods [4], primary controllers [5], and secondary controllers [6]. In the first approach, and sometimes even when using the second and third ones, it is necessary to identify and extract harmonics for the purpose of compensation.…”

Section: Introductionmentioning

confidence: 99%

A new approach for harmonic detection based on eliminating oscillatory coupling effects in microgrids

Ahmadi,

Mousavi,

Moradi

et al. 2023

IET Renewable Power Gen

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The primary goal of grid‐connected microgrids is to control the active and reactive power, which is reachable by the inner current control loop in the control structure of power converters. However, when facing unbalanced conditions, the inner current control loop implemented in the dq frame does not function properly. In such conditions, the popular current control loop malfunctions since there is an oscillatory coupling between harmonic components. Therefore, in this study, a new harmonic detector based on decoupled double synchronous reference frame within the current control loop is proposed in which the oscillatory coupling between harmonic components is eliminated, and the overall performance of the power converter control system is significantly improved. The performance of the precisely developed mathematical models is verified by Matlab simulations, and the simulation results confirm the accuracy and proper operation of the proposed strategy.

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Section: Introductionmentioning

confidence: 99%

A new approach for harmonic detection based on eliminating oscillatory coupling effects in microgrids

Ahmadi,

Mousavi,

Moradi

et al. 2023

IET Renewable Power Gen

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“…The concept of microgrid (MG) was introduced with an aim to emphasise on green energy [1,2]. Several MGs such as DC, AC, and hybrid AC/DC MG (HMG) have emerged as the solutions to meet up the energy demand of the century [3][4][5]. The hybrid source of AC/DC MG has drawn significant attention from the community as it operates both in AC and DC environments.…”

Section: Introductionmentioning

confidence: 99%

A two‐level hybrid control strategy to augment transient stability and tracking accuracy of hybrid microgrid coupled with industrial loads

Sarker¹,

Fahim

Datta

et al. 2022

IET Renewable Power Gen

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The hybrid microgrid (HMG) is an arrangement for empowering the society by using the renewable energy sources (RESs) connected with common DC bus terminal. The effective operation of the HMG relies on the transient response of the DC bus as well as the stability of the system state that may change due to the stochastic behavior of RESs and industrial loads. This work is motivated to develop a two‐level decentralized control strategy consisting of a non‐linear and linear control scheme to augment the transient stability and tracking performance of an HMG. Firstly, a non‐linear partial feedback linearization control framework combined with a PI regulator (PFLC‐PI) is designed for the transient stability enhancement of the common bus. Secondly, a linear unified controller (UC) is developed to guarantee the constant load voltages over the industrial loads through the control of the load‐side inverter. The UC effectiveness is measured by varying the load parameters associated with single‐ and three‐phase load networks. The obtained results are then compared with the existing controllers to guarantee the augmented performance of proposed two‐level controller. Additionally, an external parametric uncertainty is intentionally added to the single‐phase load network dynamics and studied to ensure the robustness of the controller.

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A new operational approach to minimize open unified power quality conditioner rating: OUPQC-VAmin

Amini

Jalilian

2022

Electric Power Systems Research

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Secondary‐control‐based harmonics compensation scheme for voltage‐ and current‐controlled inverters in islanded microgrids

Cited by 9 publications

References 44 publications

A new approach for harmonic detection based on eliminating oscillatory coupling effects in microgrids

A new approach for harmonic detection based on eliminating oscillatory coupling effects in microgrids

A two‐level hybrid control strategy to augment transient stability and tracking accuracy of hybrid microgrid coupled with industrial loads

A new operational approach to minimize open unified power quality conditioner rating: OUPQC-VAmin

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