Design and Implementation of a Variable Synthetic Inertia Controller for Wind Turbine Generators

Bonfiglio, Andrea; Invernizzi, M.; Labella, Alessandro; Procopio, Renato

doi:10.1109/pesgm40551.2019.8973747

Cited by 39 publications

(9 citation statements)

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“…The hidden inertia emulation technique is based on emulating the inertial response of traditional synchronous generators. Two possibilities are found in the specific literature, as presented in Figure 10: (i) one loop, where the additional power is proportional to the ROCOF [100][101][102], and (ii) two loops, where the additional power is proportional to the ROCOF and the frequency deviation. The second strategy causes the frequency to return to its nominal value [103][104][105].…”

Section: Wind Power Plant Frequency Control Strategiesmentioning

confidence: 99%

A Review of Virtual Inertia Techniques for Renewable Energy-Based Generators

Fernández‐Guillamón¹,

Gómez‐Lázaro²,

Muljadi³

et al. 2021

Renewable Energy - Technologies and Applications

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Over recent decades, the penetration of renewable energy sources (RES), especially photovoltaic and wind power plants, has been promoted in most countries. However, as these both alternative sources have power electronics at the grid interface (inverters), they are electrically decoupled from the grid. Subsequently, stability and reliability of power systems are compromised. Inertia in power systems has been traditionally determined by considering all the rotating masses directly connected to the grid. Thus, as the penetration of renewable units increases, the inertia of the power system decreases due to the reduction of directly connected rotating machines. As a consequence, power systems require a new set of strategies to include these renewable sources. In fact, 'hidden inertia,''synthetic inertia' and 'virtual inertia' are terms currently used to represent an artificial inertia created by inverter control strategies of such renewable sources. This chapter reviews the inertia concept and proposes a method to estimate the rotational inertia in different parts of the world. In addition, an extensive discussion on wind and photovoltaic power plants and their contribution to inertia and power system stability is presented.

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Section: Wind Power Plant Frequency Control Strategiesmentioning

confidence: 99%

A Review of Virtual Inertia Techniques for Renewable Energy-Based Generators

Fernández‐Guillamón¹,

Gómez‐Lázaro²,

Muljadi³

et al. 2021

Renewable Energy - Technologies and Applications

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“…Different approaches can be found in the specific literature. One solution is based on emulating similar inertia response to conventional generation units, shifting the torque/power reference proportionally to the ROCOF [51,[57][58][59][60]. Another study uses the fast power reserve emulation.…”

Section: Improving Frequency Control Strategy Of Wind Turbinesmentioning

confidence: 99%

Fast Power Reserve Emulation Strategy for VSWT Supporting Frequency Control in Multi-Area Power Systems

et al. 2018

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The integration of renewables into power systems involves significant targets and new scenarios with an important role for these alternative resources, mainly wind and PV power plants. Among the different objectives, frequency control strategies and new reserve analysis are currently considered as a major concern in power system stability and reliability studies. This paper aims to provide an analysis of multi-area power systems submitted to power imbalances, considering a high wind power penetration in line with certain European energy road-maps. Frequency control strategies applied to wind power plants from different areas are studied and compared for simulation purposes, including conventional generation units. Different parameters, such as nadir values, stabilization time intervals and tie-line active power exchanges are also analyzed. Detailed generation unit models are included in the paper. The results provide relevant information on the influence of multi-area scenarios on the global frequency response, including participation of wind power plants in system frequency control.

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“…In [6], the introduction of a regulation margin with respect to the maximum available power in a PV generator enables a transitory regulation from the unit, but involves a loss of generation due to the reserve allocation and implies a difficult estimation of the theoretical maximum power. In [7]- [8], the turbine reference angular speed in a converter-based wind generator is coupled to the network *Dept. of Energy, Politecnico di Milano, via La Masa 34, 20156 Milano, Italy.…”

Section: Introductionmentioning

confidence: 99%

Feedback Couplings Evaluation on Synthetic Inertia Provision for Grid Frequency Support

Bolzoni

Perini

2021

IEEE Trans. Energy Convers.

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Emulation mechanisms of the physical synchronous generators obtained through convert-interfaced units are becoming extremely popular in literature. Still the impact of these strategies on networks frequency transients often does not take into account the effect of the converter DC-bus regulation, that plays a significant role in the dynamics definition. Thus two of the main synthetic inertia architectures are analysed both mathematically and experimentally in this paper: differently from the available literature, the goal is not just to compare their macroscopic effects on network behaviour, but rather to identify the impact of the multiple internal control feedbacks on the inertia provision itself.

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Design and Implementation of a Variable Synthetic Inertia Controller for Wind Turbine Generators

Cited by 39 publications

References 0 publications

A Review of Virtual Inertia Techniques for Renewable Energy-Based Generators

A Review of Virtual Inertia Techniques for Renewable Energy-Based Generators

Fast Power Reserve Emulation Strategy for VSWT Supporting Frequency Control in Multi-Area Power Systems

Feedback Couplings Evaluation on Synthetic Inertia Provision for Grid Frequency Support

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