Planning and Control of Expandable Multi-Terminal VSC-HVDC Transmission Systems

Irnawan, Roni

doi:10.1007/978-3-030-27488-7

Cited by 9 publications

(21 citation statements)

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“…This means that the operation of an expandable PtP‐VSC‐HVDC network is bounded by the operational features (functional limits) of the VSC units belonging to the PtP‐VSC‐HVDC network. Therefore, the simulations experiments for analysing the quasi‐stationary voltage support of a single‐infeed VSC unit will be developed for an expandable PtP‐VSC‐HVDC system based on [23]. In this way, the combined effects of the RPC modes with a fixed or a variable APG value will be determined by simultaneously considering different AC network strength levels.…”

Section: Overall Description For the Test Systemmentioning

confidence: 99%

“…This expandability property constitutes a challenge, in terms of the technical interoperability between several VSC units, especially if they belong to different converters manufacturers [22]. However, in terms of the DC power flow management, a solution has been already proposed in [23]. As described in [23], the expandability property of a PtP‐VSC‐HVDC system can be ensured if a primary control interface (PCI) for DC voltage regulation is utilised.…”

Section: Overall Description For the Test Systemmentioning

confidence: 99%

“…However, in terms of the DC power flow management, a solution has been already proposed in [23]. As described in [23], the expandability property of a PtP‐VSC‐HVDC system can be ensured if a primary control interface (PCI) for DC voltage regulation is utilised. In summary, the PCI requires the knowledge of the limits concerning the active power and the DC voltage for each VSC unit, to execute the DC power flow control.…”

Section: Overall Description For the Test Systemmentioning

confidence: 99%

“…In [23], it is described that the essential requirement that the PCI demands to execute the DC power flow management is the access to the DC voltage reference's regulation in those VSC units selected to perform such tasks in the multi‐terminal VSC‐HVDC network. This means that if the onshore converters (VSC01 and VSC02) are the ones selected to control the DC power flow in Fig.…”

Section: Overall Description For the Test Systemmentioning

confidence: 99%

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Directional derivative‐based method for quasi‐stationary voltage support analysis of single‐infeed VSC‐HVDC units

et al. 2020

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This study presents an investigation of the impact of the quasi‐stationary voltage support provided by a voltage source converter (VSC) connected to a single point of a power system. Based on the directional derivative concept, an analytical method is developed to quantify the sensitivities of the AC bus voltage with respect to the VSC reactive power control modes. Based on a real case study, it is shown that the method applies to VSC units that are part of VSC‐HVDC systems, which can operate in a point‐to‐point or multi‐terminal configuration. Time‐domain simulations are performed to verify the findings from the application of the analytical method on a reduced size power system.

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Section: Overall Description For the Test Systemmentioning

confidence: 99%

Section: Overall Description For the Test Systemmentioning

confidence: 99%

Section: Overall Description For the Test Systemmentioning

confidence: 99%

Section: Overall Description For the Test Systemmentioning

confidence: 99%

See 2 more Smart Citations

Directional derivative‐based method for quasi‐stationary voltage support analysis of single‐infeed VSC‐HVDC units

et al. 2020

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“…High-voltage direct current (HVDC) power transmission and multiterminal HVDC (MTDC) power transmission draw attention as means to transmit power generated by WFs to onshore grids. [1][2][3][4] In Japan, too, technical development of WF-connected MTDC (WF-MTDC) systems has advanced 1 ; particularly, the authors have studied control and protection of multivendor WF-MTDC systems. [5][6][7][8][9][10] One of the issues in WF-MTDC operation is power flow control within dc grids.…”

Section: Introductionmentioning

confidence: 99%

Development of droop control with active power limitation and dc voltage limitation for multiterminal high‐voltage direct current system

Yoshihara

Kimura

2020

Electrical Engineering Japan

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As for the offshore wind farm connected multiterminal high-voltage direct current system, this paper proposes the new droop control scheme for onshore converters with active power limitation and dc voltage limitation, and then the simulation results with three-terminal high-voltage direct current system model are shown. K E Y W O R D Sdroop control, high-voltage direct current, multiterminal 26 How to cite this article: Yoshihara T, Kimura M. Development of droop control with active power limitation and dc voltage limitation for multiterminal high-voltage direct current system. Electr Eng Jpn.

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Universal branch model for the solution of optimal power flows in hybrid AC/DC grids

Alvarez-Bustos

Kazemtabrizi

Shahbazi

et al. 2021

International Journal of Electrical Power & Energy Systems

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This paper presents a universal model formulation for solving Optimal Power Flows for hybrid AC/DC grids. The prowess of the new formulation is that it (i) provides a direct link between AC and DC parts of the grid allowing for solving the entire network within a unified frame of reference (not sequentially) and (ii) can realistically model any element within the AC/DC power grid, ranging from conventional AC transmission lines to multiple types of AC/DC interface devices such as Voltage Source Converters (VSC) by introducing additional control variables. The model is formulated in such a way that it does not make a distinction, from a mathematical perspective, between AC and DC elements and the ensuing optimal power flow (OPF) problem can be solved via model-based optimization solvers as a mathematical programming problem. Simulations carried out using a variety of non-linear gradient-based solvers in AIMMS © on a small contrived and a large realistic test system (modified PEGASE) clearly show that the universal model is on par with existing methodologies for solving OPFs both in accuracy of the solution and computational e ciency. Meanwhile, simulations carried out on a series of AC and AC/DC test systems show that the model is scalable and stays computationally tractable for larger system sizes without sacrificing convergence time. Reactive Power Q t Constraint v f Voltage "from" g P v dp Voltage Droop Constraint v t Voltage "to" g G sw VSC losses correction Constraint i f Current "from" h S 2 f Loadability Constraint "from" i t Current "to" h S 2 t Loadability Constraint "to" S f Complex Power "from" L S 2 L

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Planning and Control of Expandable Multi-Terminal VSC-HVDC Transmission Systems

Cited by 9 publications

References 0 publications

Directional derivative‐based method for quasi‐stationary voltage support analysis of single‐infeed VSC‐HVDC units

Directional derivative‐based method for quasi‐stationary voltage support analysis of single‐infeed VSC‐HVDC units

Development of droop control with active power limitation and dc voltage limitation for multiterminal high‐voltage direct current system

Universal branch model for the solution of optimal power flows in hybrid AC/DC grids

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