Power quality and reactive power of water electrolyzers supplied with thyristor converters

Ruuskanen, Vesa; Koponen, Joonas; Kosonen, Antti; Niemelä, Markku; Ahola, Jero; Hämäläinen, Aki

doi:10.1016/j.jpowsour.2020.228075

Cited by 35 publications

(28 citation statements)

References 15 publications

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“…This system consists of a delta-star transformer and an AC-DC rectifier interfacing the grid system and PEMEL. Since the current of the electrolyzer must be controlled, thyristors-based rectifiers are generally preferred for this purpose [8][9][10]. In Figure 10, a 6-pulse thyristor bridge rectifier is shown.…”

Section: Ac-dc and Dc-dc Convertersmentioning

confidence: 99%

“…Currently, thyristor-based rectifiers are particularly employed for industrial and power-to-gas applications where a high voltage and current are required to supply electrolyzers. In [8][9][10], 6-pulse and 12-pulse thyristors-based rectifiers connected to alkaline electrolyzers have been investigated In low-power wind turbines with a PMSG, the three-phase high-frequency semicontrolled rectifier, shown in Figure 7, is attractive, since it is simple and robust. Moreover, all active switches are connected to a common point, and a short-circuit through a leg is not possible.…”

Section: Ac-dc and Dc-dc Convertersmentioning

confidence: 99%

“…Indeed, a RES depends on weather conditions (as solar irradiance or wind speed) that can vary abruptly during the operation. For this reason, this technology is not generally considered to be coupled with RES; conversely, it is employed for high-power stationery operated plants supplied by the grid where the harmonics impact on the grid has to be considered [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…In these systems, DC-DC converters play a crucial role since most of RESs generate high DC voltage output and PEMELs need to be supplied with low DC voltage input [12]. However, the system needs an AC-DC converter if a wind turbine conversion system or power grid is used [10,13]. Dealing with PEMEL supplied by power converters, it is clear that two systems with their dynamics have to interact with each other.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Proton Exchange Membrane Electrolyzer Modeling for Power Electronics Control: A Short Review

Yodwong

Guilbert

Phattanasak

et al. 2020

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The main purpose of this article is to provide a short review of proton exchange membrane electrolyzer (PEMEL) modeling used for power electronics control. So far, three types of PEMEL modeling have been adopted in the literature: resistive load, static load (including an equivalent resistance series-connected with a DC voltage generator representing the reversible voltage), and dynamic load (taking into consideration the dynamics both at the anode and the cathode). The modeling of the load is crucial for control purposes since it may have an impact on the performance of the system. This article aims at providing essential information and comparing the different load modeling.

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Section: Ac-dc and Dc-dc Convertersmentioning

confidence: 99%

Section: Ac-dc and Dc-dc Convertersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Proton Exchange Membrane Electrolyzer Modeling for Power Electronics Control: A Short Review

Yodwong

Guilbert

Phattanasak

et al. 2020

View full text Add to dashboard Cite

show abstract

“…In the inner processes of P2G stations, it is the first step that the alternating current is converted to the direct current which is used for electrolysis. The rectifier in P2G stations is usually based on thyristors, and hence, the reactive power consumption of P2G is coupled with the active power consumption [37]. However, few works have considered the reactive power consumption of P2G in the operation of the IPGDS, which may cause security risks and unreliable economic assessment.…”

Section: Introductionmentioning

confidence: 99%

Linear network model for integrated power and gas distribution systems with bidirectional energy conversion

Zhang

et al. 2020

IET Renewable Power Generation

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With the advancement of emerging power-to-gas (P2G) technologies, the integrated power and gas distribution system (IPGDS) with bidirectional energy conversion is becoming a promising measure to promote the integration of renewablebased distributed generation. This study proposes the linear network model for the IPGDS and takes the reactive power consumption of P2G into account. The linear model considering the network constraints of the IPGDS is implemented combining the Wendroff difference for gas network equations and the pyramidal approximation for power network equations. With the proposed linear network model, the economic dispatch of the IPGDS is studied considering distribution network reconfiguration. Both the overall positive role of P2G and the negative effect of P2G's reactive power consumption are analysed. The former helps to mitigate the voltage violations and to improve economic efficiency, while the latter reduces these benefits. Case studies in the integrated 33-bus power and 12-node gas distribution system validate the effectiveness and applicability of the proposed linear network model of the IPGDS and the necessity of considering P2G's reactive power consumption. β switch status, binary, 0/1 for open/closed switches P sub * auxiliary variable, purchased power P L * auxiliary variable, active power flow

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Two-layer energy management strategy for grid-integrated multi-stack power-to-hydrogen station

Li,

Yang,

Lin

et al. 2024

Applied Energy

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Power quality and reactive power of water electrolyzers supplied with thyristor converters

Cited by 35 publications

References 15 publications

Proton Exchange Membrane Electrolyzer Modeling for Power Electronics Control: A Short Review

Proton Exchange Membrane Electrolyzer Modeling for Power Electronics Control: A Short Review

Linear network model for integrated power and gas distribution systems with bidirectional energy conversion

Two-layer energy management strategy for grid-integrated multi-stack power-to-hydrogen station

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