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Grid control with synchronized measurements
2022Today's state-of-the art in grid monitoring and control is based on the SCADA and EMS. Transformation of the grid driven by changes in generation mix, integration of renewable resources and demand variability will result in rapid, frequent and large changes in generation, demand and loading levels on the transmission grid.
L. Zhu +5 more
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On measurement of synchronous phasors in electrical grids
2013 IEEE International Symposium on Circuits and Systems (ISCAS2013), 2013Precise estimation of frequency and phasor has become important in electrical power grids. Knowledge of phasor enables localization of faults, calculation of active and reactive power flows, determination of electrical parameters of system components (lines, transformers), etc.
Jan Kyncl +2 more
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Applications Control on Grid with Synchronizers
2006The paper presents new Grid application workflow paradigm based on advanced control mechanisms provided by synchronizers. Synchronizers generate program execution control decisions based on predicates computed on global application states. We propose that execution control by synchronizers is used to co-ordinate parallel applications executed on Grid ...
Damian Kopanski +2 more
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Pre-synchronization method for grid-connection of virtual synchronous generators based micro-grids
2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), 2017Since the photovoltaic power generation, wind power and other distributed power supply are volatile and random, they will affect the stability of the grid frequency. In order to improve the voltage and frequency in micro-grid, the virtual synchronous generator control strategy is proposed for inverter control, which can emulate the behavior of ...
Jiaqi Wu +4 more
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A Novel Grid Voltage Synchronization
2018 IEEE 8th Annual International Conference on CYBER Technology in Automation, Control, and Intelligent Systems (CYBER), 2018In order to achieve fast detection for voltage dips premised on satisfying accuracy, this paper proposes a novel grid voltage synchronization method, which consists of two low-order complex finite impulse response filters and three second-order Kalman filters.
Xin Zhou, Hongjun Chen
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Stability Investigation of PLL-Based Grid Synchronization
2021 25th International Conference on Methods and Models in Automation and Robotics (MMAR), 2021This contribution investigates the grid synchronization procedure of grid-side inverters, i.e. the correct determination of the grid voltage frequency. A phase-locked loop (PLL) can be seen as the standard method for grid synchronization. Due to the grid impedance, the grid voltage cannot be measured directly and the measured voltage is a superposition
Alexander Schöley, Torsten Jeinsch
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Synchronization for Smart Grid Infrastructure
2021Synchronization is key to the performance and operation of power system and more importantly for the next generation smart grid. Much of the anomalies of the power system can be avoided if power quantities are collected and analyzed in real time. For this reason, end-to-end time synchronization is essential.
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Grid Synchronization of Renewable Generation Systems Using Synchronous Power Controllers
2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA), 2017The increasing penetration of renewable energy sources in power systems has increased the amount of generating units employing power electronics as their grid interface, instead of synchronous generators. Their different dynamics have brought new challenges for power system operators; in particular, the reduction of the total inertia of power systems ...
Remón Rodríguez, Daniel +4 more
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A Pre-synchronization Method for Grid-connection Based on Virtual Synchronous Generator
2019 6th International Conference on Systems and Informatics (ICSAI), 2019The inverter is simulated as a synchronous generator that is friendly to large power grid, which can improve the absorption capacity of distributed power supply. However, when virtual synchronous generator (VSG) is connected to the grid, there will be a large current shock. Therefore, this paper proposes an improved pre-synchronization control strategy
Wenqiao Tang, Jun Liu
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Synchronization techniques for grid connected wind turbines
2009 35th Annual Conference of IEEE Industrial Electronics, 2009Phase locked loop (PLL) algorithms are very important for grid synchronization in most of the grid-connected power converters applications. Particularly new grid codes for wind parks pose serious challenges to PLL. The performance of the PLL should not be affected under distorted grid conditions such as: transients, short interruptions, sags, swells ...
Nagliero A +3 more
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