Impact of controlled load on the Latvian power system stability

Kovaļenko, Sergejs; Sauhats, Antans Sauļus; Zicmane, Inga

doi:10.1109/rtucon.2016.7763121

Cited by 3 publications

(9 citation statements)

References 1 publication

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“…5. The Givens method is different from the previous one in that the majority of zero elements of the matrix are stored, whereby the latter has the form which is more favourable for decomposition [2,3,4].…”

Section: Theoretical Backgroundmentioning

confidence: 99%

“…Evaluate its static stability after connecting the generator G7 to it by connecting the line 6-7. All the necessary parameters of the equipment and steady-state regime after connecting the line are provided in Tables 1-4 [2]. Fig.…”

Section: Study Casementioning

confidence: 99%

“…It is obvious, that the matrix is poorly filled. It contains a lot of zeros, especially on the left side, located below the main diagonal [2].…”

Section: Study Casementioning

confidence: 99%

“…In this regard, a number of questions appear [1,2]: 1. How to determine the part of a large system that can be logically separated and simulated independently, but to get a fairly accurate result for evaluating the static stability of its synchronous generators?…”

Section: Introductionmentioning

confidence: 99%

“…This approach is more common due to the lower computational error and the appropriateness of large-scale models under sufficiently simple computer implementation, where one of the methods for finding the eigenvalues is the method of rotation (similarity transformation) and its modifications [1,2].…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Modified rotation method analyzing impact of connection between power systems on the static stability

Kovaļenko

Zicmane

Georgiev

2015

2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG)

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The current stage of the world energy development is characterized by the creation of powerful territorial and integrated power systems. A gradual unification of the energy markets of different countries is currently going on within a free market: the configuration of networks has been changing, additional relations appear, new energy companies and unions are formed, a sector of renewable sources is rapidly developing with its characteristic distributed generation (decentralization), therefore, the most urgent matter of finding and creating new methods and algorithms for calculation and analysis of complex EPS. In particular, it concerns the issue of problem solving of large-scale power systems with a detailed accounting of basic elements of the system. All ongoing and planned changes both directly and indirectly affect the network configuration, which in its turn leads to the appearance of additional generation and load nodes and, consequently, it requires careful economic and technical computations, in particular, the static stability assessment of the power system.

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Section: Theoretical Backgroundmentioning

confidence: 99%

Section: Study Casementioning

confidence: 99%

“…It is obvious, that the matrix is poorly filled. It contains a lot of zeros, especially on the left side, located below the main diagonal [2].…”

Section: Study Casementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Modified rotation method analyzing impact of connection between power systems on the static stability

Kovaļenko

Zicmane

Georgiev

2015

2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG)

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Power system equivalent circuit for controlled load analysis

Sauhats

Kovalenko

Zicmane

2017

2017 5th IEEE Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE)

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Impact of smart electric thermal storage on transmission grid limitations

Sauhats

Kovaļenko

Baltputnis

et al. 2017

2017 IEEE International Conference on Environment and Electrical Engineering and 2017 IEEE Industrial and Commercial Power Syst

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This paper examines the potential benefits smart and quickly controllable load can provide for transmission network congestion management if end-users give the transmission network operator or an independent aggregator service access to disconnect their devices in case of contingencies. The necessary amount of available quickly controllable load for the fulfilment of N-1 criteria is found for the case study of the Latvian power system. Of particular interest is the possibility to increase the maximum available transfer capacity between the Latvian and Estonian bidding areas by removing the N-1 provision from the calculation of the cross-border trading capacity if it can be supplied by the controllable load instead. For this purpose, a steady-state power flow model of the 330 kV transmission network and its interconnections with neighboring countries is used for simulations.

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Impact of controlled load on the Latvian power system stability

Cited by 3 publications

References 1 publication

Modified rotation method analyzing impact of connection between power systems on the static stability

Modified rotation method analyzing impact of connection between power systems on the static stability

Power system equivalent circuit for controlled load analysis

Impact of smart electric thermal storage on transmission grid limitations

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