Operating range extension of cascaded H-bridge star using hybrid converter topology for STATCOM under unbalanced conditions

Behrouzian, Ehsan; Bongiorno, Massimo; Svensson, J.

doi:10.23919/epe.2019.8914763

Cited by 3 publications

(2 citation statements)

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“…In order to control the two-way power flow of a MMCHB converter, a direct vector control strategy was selected and proposed in this paper. The task of the control circuit is to generate the required amount of active power into the MVAC grid, as well as the DC bus, depending on the direction of the energy flow [21].…”

Section: 𝑉 𝑁mentioning

confidence: 99%

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Global Simulation Model Design of Input-Serial, Output-Parallel Solid-State Transformer for Smart Grid Applications

et al. 2023

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This paper provides an overview of an early attempt at developing a simulation model on a solid-state transformer (SST) based on input-serial and output-parallel (ISOP) topology. The proposed SST is designed as a base for a smart grid (SG). The paper provides a theoretical review of the power converters under consideration, as well as their control techniques. Further, the paper presents a simulation model of the proposed concept with a PLECS circuit simulator. The proposed simulation model examines bidirectional energy flow control between the medium-voltage AC grid and DC smart grid, while evaluating power flow efficiency and qualitative indicators of the AC grid. After the completion of design verification and electrical properties analysis by the PLECS simulation models, the synthesis offers recommendations on the optimal layout of the proposed SST topology for smart grid application.

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Section: 𝑉 𝑁mentioning

confidence: 99%

“…The inner current loops are implemented in separate current i d and i q controllers. The transformation functions from "abc" to "α-β", "q-d", and vice versa are synchronized with the AC network via a three-phase, decoupled, double synchronous reference frame (DSRF)-type phase-locked loop (PLL) [21].…”

Section: 𝑉 𝑁mentioning

confidence: 99%