Transient stability analysis on Sarawak's Grid using Power System Simulator for Engineering (PSS/E)

Mohamad, Arfah Marini; Hashim, Noor Baharim; Hamzah, N.; Ismail, Nik Fasdi Nik; Latip, Mohd Fuad Abdul

doi:10.1109/isiea.2011.6108766

Cited by 27 publications

(9 citation statements)

References 3 publications

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“…Numerical simulations were implemented on a modified New England 39-bus system with PSS/E [ 61 ] to simulate the data acquired by a WAMS and PMUs. To approximate the system behavior [ 27 ], the load levels of the power system were set to 50%, 51%, …, and 100% of the original load levels [ 32 ].…”

Section: Case Studiesmentioning

confidence: 99%

Frequency Stability Prediction of Power Systems Using Vision Transformer and Copula Entropy

Liu

Han

et al. 2022

Entropy

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This paper addresses the problem of frequency stability prediction (FSP) following active power disturbances in power systems by proposing a vision transformer (ViT) method that predicts frequency stability in real time. The core idea of the FSP approach employing the ViT is to use the time-series data of power system operations as ViT inputs to perform FSP accurately and quickly so that operators can decide frequency control actions, minimizing the losses caused by incidents. Additionally, due to the high-dimensional and redundant input data of the power system and the O(N2) computational complexity of the transformer, feature selection based on copula entropy (CE) is used to construct image-like data with fixed dimensions from power system operation data and remove redundant information. Moreover, no previous FSP study has taken safety margins into consideration, which may threaten the secure operation of power systems. Therefore, a frequency security index (FSI) is used to form the sample labels, which are categorized as “insecurity”, “relative security”, and “absolute security”. Finally, various case studies are carried out on a modified New England 39-bus system and a modified ACTIVSg500 system for projected 0% to 40% nonsynchronous system penetration levels. The simulation results demonstrate that the proposed method achieves state-of-the-art (SOTA) performance on normal, noisy, and incomplete datasets in comparison with eight machine-learning methods.

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Section: Case Studiesmentioning

confidence: 99%

Frequency Stability Prediction of Power Systems Using Vision Transformer and Copula Entropy

Liu

Han

et al. 2022

Entropy

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“…In this paper, PSS/E will be used for characterizes the power system transmission network and generation performance for both load flow analysis and transient analysis [5]. All the sources referred from the books, articles, research papers and journals.…”

Section: Introductionmentioning

confidence: 99%

Transient Stability Simulation of 33 kV Power Grid

Barsoum¹,

Zulkeffley²,

Songkin³

2018

EPE

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An example of Sandakan power grid problem is presented in this paper. Sandakan is a suburb in east coast of Sabah state of Malaysia. Stability problem occurs due to the increase in load demand, lack of generation sources and inadequate supply. The tripping disturbances occur frequently in the network which is contributing to voltage instability. In this paper dynamics stability of 33 kV power grid as related to Sandakan network is analyzed and simulated. The analysis is completed by modelling the network data in Power System Simulation for Engineering (PSS/E) software and simulate the transient stability of generator, exciter and governor during a three phase fault occurs on a far and close distance from a bus, and determine the critical clearing time as well as swing curve of rotor angle. The output values of electrical power, machine speed, rotor angle and bus voltage are observed.

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“…To analyse a power grid from an electrical point of view, examine its stability and define the potential integration of DG into the grid, static and dynamic simulations need to be carried out [9]. Stability considerations can be divided into two case studies: the steady‐state and dynamic stability analyses.…”

Section: Introductionmentioning

confidence: 99%

“…The N − 1 criterion is that the system must withstand on its own a loss of any single element. That means that all the line flows must be below their limits not only for a given normal operating state, but also when any of the lines is disconnected [9, 10]. Short‐circuit calculations introduce the proper selection of HV equipment and protection relays.…”

Section: Introductionmentioning

confidence: 99%