Fault response of inverter interfaced distributed generators in grid-connected applications

Plet, Cornelis A.; Green, Tim

doi:10.1016/j.epsr.2013.07.013

Cited by 94 publications

(49 citation statements)

References 11 publications

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“…However, a VSC cannot be simply represented by an ideal voltage source behind an impedance for short circuit analysis [9], [10]. Typically, VSCs are current-controlled devices and their short circuit current contributions are restricted due to the limited semiconductor overload capability.…”

Section: A Methodsmentioning

confidence: 99%

Synchronous Condenser Allocation for Improving System Short Circuit Ratio

Jia

Yang

Nielsen

et al. 2018

2018 5th International Conference on Electric Power and Energy Conversion Systems (EPECS)

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Abstract-With converter-based renewable energy sources increasingly integrated into power systems and conventional power plants gradually phased out, future power systems will experience reduced short circuit strength. The deployment of synchronous condensers can serve as a potential solution. This paper presents an optimal synchronous condenser allocation method for improving system short circuit ratio at converter point of common coupling using a modified short circuit analysis approach. The total cost of installing new synchronous condensers is minimized while the system short circuit ratios are maintained above a certain level. The presented method is implemented on the simplified western Danish power system for a future scenario.

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Section: A Methodsmentioning

confidence: 99%

Synchronous Condenser Allocation for Improving System Short Circuit Ratio

Jia

Yang

Nielsen

et al. 2018

2018 5th International Conference on Electric Power and Energy Conversion Systems (EPECS)

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“…Both IIDGs were modeled in software ATP/EMTP as a type TACS current controllable source, defined in the distribution network block and using a IIDG fault response model [25] that was programmed in a MODELS block [26].…”

Section: Case Studymentioning

confidence: 99%

Active distribution network fault location methodology: A minimum fault reactance and Fibonacci search approach

Orozco-Henao

Bretãs

Leborgne

et al. 2017

International Journal of Electrical Power & Energy Systems

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“…3 Inverter power and current controllers that could limit output current during a fault have been modeled from the perspective of current source inverters (CSIs). 4 General characteristics for an IBDG source that could limit output current were presented in Hatziargyriou. 5 WTG effects on single-and three-phase fault currents were also examined in DIgSILENT.…”

Section: Introductionmentioning

confidence: 99%

Steady‐state short‐circuit current calculation for internally limited inverter‐based distributed generation sources connected as current sources using the sequence method

Kim

2019

Int Trans Electr Energ Syst

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Summary When inverter‐based distributed generation (IBDG) sources with output current limited by an internal current loop control or other control logic are connected to power system networks, they can affect the short‐circuit current (SCC) despite their small capacities. Therefore, we derive a method to calculate steady‐state SCC from IBDG sources connected to a grid as a current source. To achieve this purpose, this study proposes a method that refers zero‐ and negative‐sequence networks to a positive‐sequence network that includes IBDG sources modeled as a current source. This study also defines positive‐sequence bus impedance and current injection matrices of the network. Subsequently, this study derives new equations that find the positive‐sequence SCC and induced voltages of the network. The proposed method can more accurately calculate SCC that flows from IBDG sources. Thus, accurate SCCs can be used for designing, planning, or maintaining power systems.

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Fault response of inverter interfaced distributed generators in grid-connected applications

Cited by 94 publications

References 11 publications

Synchronous Condenser Allocation for Improving System Short Circuit Ratio

Synchronous Condenser Allocation for Improving System Short Circuit Ratio

Active distribution network fault location methodology: A minimum fault reactance and Fibonacci search approach

Steady‐state short‐circuit current calculation for internally limited inverter‐based distributed generation sources connected as current sources using the sequence method

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