Generic model of a VSC-based HVDC link for RMS simulations in PSS/E

Karaolanis, Aristeidis; Perilla, Arcadio; Torres, José L. Rueda; Meijden, Mart A. M. M. van der; Alefragkis, Alex

doi:10.1016/j.ifacol.2018.11.719

Cited by 4 publications

(4 citation statements)

References 2 publications

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“…The inverter current control is used to control the energy based on the current margin (I dc_ref-I margin ), which is assigned to 0.1-0.15 pu. The control operation between DC current and DC voltage is functioned using a current error control (CEC), which is further used to inject the extinction angle control and DC current control [40,41]. The inverter operation at the minimal extinction angle is performed by the inverter control mode to reduce the reactive energy dissipation and harmonic level [42].…”

Section: Dynamic Avm Of Hvdc Systemsmentioning

confidence: 99%

Dynamic Modeling of HVDC for Power System Stability Assessment: A Review, Issues, and Recommendations

et al. 2021

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High-voltage direct current (HVDC) has received considerable attention due to several advantageous features such as minimum transmission losses, enhanced stability, and control operation. An appropriate model of HVDC is necessary to assess the operating conditions as well as to analyze the transient and steady-state stabilities integrated with the AC networks. Nevertheless, the construction of an HVDC model is challenging due to the high computational cost, which needs huge ranges of modeling experience. Therefore, advanced dynamic modeling of HVDC is necessary to improve stability with minimum power loss. This paper presents a comprehensive review of the various dynamic modeling of the HVDC transmission system. In line with this matter, an in-depth investigation of various HVDC mathematical models is carried out including average-value modeling (AVM), voltage source converter (VSC), and line-commutated converter (LCC). Moreover, numerous stability assessment models of HVDC are outlined with regard to stability improvement models, current-source system stability, HVDC link stability, and steady-state rotor angle stability. In addition, the various control schemes of LCC-HVDC systems and modular multilevel converter- multi-terminal direct current (MMC-MTDC) are highlighted. This paper also identifies the key issues, the problems of the existing HVDC models as well as providing some selective suggestions for future improvement. All the highlighted insights in this review will hopefully lead to increased efforts toward the enhancement of the modeling for the HVDC system.

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Section: Dynamic Avm Of Hvdc Systemsmentioning

confidence: 99%

Dynamic Modeling of HVDC for Power System Stability Assessment: A Review, Issues, and Recommendations

et al. 2021

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“…To solve this issue, PEIs of newly introduced elements may be enhanced with frequency control systems to provide fast frequency support (FFS) to the grid when necessary, taking advantage of the control capabilities of PEs [7]. FFS may be provided by various elements such as wind turbines (WTs) [8], solar-photovoltaic systems (PVs) [9], HVDC links [10] and hydrogen-based units [11]. Among the different techniques, the active power gradient control strategy presented in [12] has shown high potential for FFS through the control of two parameters, the amount of active power (ΔP) and the rate (APG) this power is provided to the grid following the disturbance.…”

Section: Introductionmentioning

confidence: 99%

A New Formulation for Optimal Tuning of Fast Frequency Support in Multi-Energy Systems

Giannakopoulos

Perilla

Torres

et al. 2022

2022 IEEE Power &Amp; Energy Society General Meeting (PESGM)

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Power electronic dominated power systems formed nowadays are characterized by fast and frequent dynamics, limited short circuit support, low inertia conditions and lack of inertial support. Under these conditions, coping with active power imbalances in a power system may becomes a significant challenge for transmission system operators (TSOs) that may experience extensive frequency deviations and steep rates of change of frequency (RoCofs). To deal with the frequency stability issues encountered, power electronic interfaced (PEI) units can rapidly respond to provide fast frequency support (FFS) taking advantage of their controllability levels and their rapid response to setpoint changes. FFS may depend on the active power gradient (APG) control strategy that determines the required amount of active power, and the rate the power injection takes place. However, when multiple elements try to regulate simultaneously the frequency adverse control actions such as insufficient or over frequency regulation may be encountered. To solve this issue, this paper proposes a formulation for the optimal and coordinative tuning of the APG controllers of PEI elements installed in a multi-area, multi-energy hybrid HVDC/HVAC power system with modular multilevel converter (MMC) HVDC links and proton exchange membrane (PEM) electrolyzers. This formulation focuses on creating an artificially coupled frequency response for an electromagnetically decoupled multiarea system taking advantage of the available active power reserves and the inertia levels of each area. In that way, an active power imbalance can be optimally shared among the interconnected areas leading to effectively improved frequency response for the affected and supporting areas. The proposed formulation is solved using the mean variance mapping optimization (MVMO) algorithm after a series of RMS simulations is performed in DIgSILENT PowerFactory 2021.

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“…Improving and exploiting the capabilities of new technologies of voltage source converters (VSC) is receiving greater attention for different applications in renewable power generation (e.g. wind/solar power plants) [3], high voltage direct current systems (VSC-HVDC) [4], and responsive demand (e.g. multi-megawatt scale electrolysers) [5].…”

Section: Introductionmentioning

confidence: 99%

Optimal Tuning of Active Power Gradient Control for Frequency Support in Multi-Energy Systems

Perilla

Gusain

Rueda

et al. 2020

2020 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe)

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Coping with severe active power imbalances constitutes a challenging task in low inertia multi-energy systems. The phase out of the majority of conventional power plants with large size synchronous generators entails that power electronic interfaced devices should take over the primary task of active power balance-frequency control. In view of this, the active power gradient (APG) control of these devices should be carefully designed to ensure effectiveness and to prevent collateral effects on other stability phenomena. This paper presents two novel formulations for the optimal tuning of the parameters of the APG controllers. Both formulations are defined as a constrained single objective optimization problem. The goal is to optimally manage the APG controllers to quickly bound the instantaneous frequency deviations excited by a large active power imbalance. The first formulation concerns with the minimization of the instantaneous variation of the kinetic energy of the synchronous areas of an interconnected system, whereas the second formulation concerns with the minimization of the spatial displacements between the dynamic trajectories of the time frequency responses in different synchronous areas. The formulations are solved by using a new proposed variant of the mean-variance mapping optimization algorithm (MVMO), and their conceptual implications are illustrated based on numerical simulations performed on a small-size multi-energy system.

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Generic model of a VSC-based HVDC link for RMS simulations in PSS/E

Cited by 4 publications

References 2 publications

Dynamic Modeling of HVDC for Power System Stability Assessment: A Review, Issues, and Recommendations

Dynamic Modeling of HVDC for Power System Stability Assessment: A Review, Issues, and Recommendations

A New Formulation for Optimal Tuning of Fast Frequency Support in Multi-Energy Systems

Optimal Tuning of Active Power Gradient Control for Frequency Support in Multi-Energy Systems

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