Identification of Suitable Locations for HVDC Links within Meshed AC Networks

Franken, Marco; Barrios, Hans; Schrief, Alexander B.; Puffer, Ralf

doi:10.1109/isgteurope.2019.8905673

Cited by 5 publications

(6 citation statements)

References 14 publications

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“…The grid losses are summarized in Table 3. One can observe that the grid losses with the HVDC locations identified in [5,6] are lower than with the locations selected in this paper. Although the grid losses are increased, the stability of the hybrid AC/DC power system is improved.…”

Section: Discussionmentioning

confidence: 60%

“…It can be observed that the locations identified by this paper, i.e., Case A, has the best damping performance. The locations in [5,6] has little influence on the power oscillations as the aim of these locations are cost reduction and power flow controllability.…”

Section: Discussionmentioning

confidence: 99%

“…By contrast with the previous location selection method of HVDC systems, the proposed method mainly focusses on the impact of the locations on system stability. In [5,6], the best locations of HVDC links in 39-bus systems are identified as {bus3, bus22, bus35} and {bus8, bus20, bus27}, respectively. To compare the system dynamic responses with different HVDC locations, three cases are set: (1) Case A: the locations selected by this paper {bus1, bus9, bus39}; (2) Case B: the locations found by [5], i.e., {bus3, bus22, bus35}; (3) Case C: the locations found by [6], i.e., {bus8, bus20, bus27}.…”

Section: Discussionmentioning

confidence: 99%

“…A comprehensive algorithm based on the flexibility matrix is proposed to determine the location of HVDC converters for balancing the cost and flexibility. In [5], the N-1 criterion is considered in the location selection of HVDC systems in meshed power systems to reduce the congestion. The problem is transferred to a mixed integer linear programming optimization problem and an adaptive approach is employed to improve the flexibility of the proposed method in large-scale power systems.…”

Section: Introductionmentioning

confidence: 99%

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Latin Hypercube Sampling Method for Location Selection of Multi-Infeed HVDC System Terminal

Liu

et al. 2020

Energies

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Owing to the stochastic states of power systems with large-scale renewable generation, the impact of high-voltage direct current (HVDC) systems on the stability of the power system should be examined in a probabilistic manner. A probabilistic small signal stability assessment methodology to select the best locations for multi-infeed high-voltage direct current systems in alternating current (AC) grids is proposed in this paper. The Latin hypercube sampling-based Monte Carlo simulation approach is taken to generate the stochastic operation scenarios of power systems with the consideration of several stochastic factors, i.e., load demand and power generation. The damping ratio of the critical oscillation modes and the controllability of power injection to oscillation modes are analyzed by the probabilistic small signal stability. A probabilistic index is proposed to select the best locations of high-voltage direct current systems for improving the damping of the oscillation modes. The proposed methodology is applied to an IEEE 39 bus system considering the stochastic load demand and power generation. The results of probabilistic small signal stability assessment and a time-domain simulation show that the installation of a high-voltage direct current system on the selected locations can effectively improve the system damping.

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Section: Discussionmentioning

confidence: 60%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Latin Hypercube Sampling Method for Location Selection of Multi-Infeed HVDC System Terminal

Liu

et al. 2020

Energies

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show abstract

“…In context of this paper, HVDC systems are modelled as coupled power injection and ejection at the converter stations as mentioned in [34]. The power ejected from the AC network at one of both converter buses k 1 is equal to the power fed into the other bus k 2 :…”

Section: Modelling Hvdc Systemsmentioning

confidence: 99%