Particle Swarm Optimized Power Grid Frequency Stability Control Scheme in the Presence of Wind Energy Sources

Renewable energy is one of the most abundant energies in our planet. In order to satisfy the world demand of electrical energy, solar and wind energy may be used. Identical to all other types of power generation plants, the integration of these renewable energy sources in smart power grid has an impact on its operation. Thus, when the electrical power is injected into the power grid by these energy sources, the system electrical parameters must be well monitored for synchronization purpose. This can be accomplished with the aid of synchro-phasors measurement units. The phase angle of the utility is a critical parameter for the operation of power devices feeding power into the grid such as PV and wind energy inverters. There are many techniques to obtain the grid phase angle such as the zero-crossing detection and the orthogonal phase locked loop. This research work discusses the use of PMUs (Phasor Measurement Unit) for providing this important parameter to system synchronization in the case of high penetration of solar or wind energy in the power grid.

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Research on Frequency Stability Control Strategy for the Third Line Defense of Sending-End Power System

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.846-847.329 ◽

2013 ◽

Vol 846-847 ◽

pp. 329-334

Author(s):

Shu Yong Song ◽

Xin Yuan Liu ◽

Yi Kai Sun ◽

Wen Chao Zhang

Keyword(s):

High Frequency ◽

Load Capacity ◽

Power Grid ◽

Frequency Stability ◽

Stability Control ◽

Shanxi Province ◽

Operational Experience ◽

Power Load ◽

Frequency Generator ◽

High Frequency Generator

Regional energy base with large installed capacity, small local power load capacity and great amount of power transmission have been more and more common in China. For this kind of sending end power grid, the 3rd line of defense for frequency stability is crucial. The high frequency generator tripping is an effective emergency frequency control measure. But its setting and configuration mainly relies on operational experience and off-line simulation calculation. An equivalent model suitable for the analysis and setting calculation of high frequency generator tripping is introduced firstly. Based on the model, and aimed at an actual frequency emergency control problem, a scheme for high frequency generator tripping is proposed. Furthermore, a speed-up tripping scheme using df/dt criterion is proposed to optimize the frequency response. Numerical simulations are conducted on real power grid model of Shanxi province to demonstrate the effectiveness and adaptability of this scheme. The setting principle and calculation method of high frequency generator tripping can introduce to similar power grid for reference.

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Application of Synchro-Phasor Measurement Unit in Smart Grid Including Renewable Energy

10.4018/978-1-6684-3666-0.ch033 ◽

2022 ◽

pp. 764-778

Author(s):

Meriem Mahboubi ◽

Abderrahmane Ouadi

Keyword(s):

Renewable Energy ◽

Wind Energy ◽

Phase Angle ◽

Power Grid ◽

Renewable Energy Sources ◽

Phasor Measurement Unit ◽

Measurement Unit ◽

Energy Sources ◽

Phasor Measurement ◽

World Demand

Renewable energy is one of the most abundant energies in our planet. In order to satisfy the world demand of electrical energy, solar and wind energy may be used. Identical to all other types of power generation plants, the integration of these renewable energy sources in smart power grid has an impact on its operation. Thus, when the electrical power is injected into the power grid by these energy sources, the system electrical parameters must be well monitored for synchronization purpose. This can be accomplished with the aid of synchro-phasors measurement units. The phase angle of the utility is a critical parameter for the operation of power devices feeding power into the grid such as PV and wind energy inverters. There are many techniques to obtain the grid phase angle such as the zero-crossing detection and the orthogonal phase locked loop. This research work discusses the use of PMUs (Phasor Measurement Unit) for providing this important parameter to system synchronization in the case of high penetration of solar or wind energy in the power grid.

Download Full-text