Protection scheme for high‐voltage direct‐current transmission lines based on transient AC current

Liu, Jian; Tai, Nengling; Fan, Chunju; Huang, Wentao

doi:10.1049/iet-gtd.2015.0792

Cited by 61 publications

(63 citation statements)

References 17 publications

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“…Only in case of a fault condition does the AC component (excluding characteristic harmonic components) appear. The electric quantities with specific frequency bands, which do not appear during normal operation, contain plentiful useful fault information. Based on the 12‐pulse converter model theory, a 12‐pulse converter ideally generates characteristic harmonic components with 12 p orders in the DC side (where p is any integer). The characteristic harmonic components mainly contain 600, 1200, and 1800 Hz in 50 Hz systems and 720, 1440, and 2160 Hz in 60 Hz systems . Reference shows that the energy of fault signals is mainly concentrated in the range 0–600 Hz after faults occur.…”

Section: Particular Ac Component and Particular Ac Energymentioning

confidence: 99%

“…As the main protections, the traveling‐wave protection and the voltage derivative protection use the voltage level and the rate of change of voltage to detect line faults . The predetermined setting of protection requires selectivity against non‐legitimate protective action for metallic fault located at f 3 .…”

Section: Test On Rtds Systemmentioning

confidence: 99%

“…According to the statistics on forced outages of HVDC transmission systems in the state grid corporation of China from 2006 to 2012, 36.8% HVDC outages are due to the HVDC transmission line faults , and complex terrain and harsh weather conditions increase the possibility of those faults occurring. So it is clear that the line protection methods in engineering applications cannot completely meet the requirements of the HVDC transmission system, and a reliable line protection is crucial in maintaining the continuity of power transmission and ensuring the security of power systems .…”

Section: Introductionmentioning

confidence: 99%

“…, but the huge computation and complex algorithm make it difficult to implement in practice. Reference presents a single‐end protection based on the fluctuation of the 600 Hz currents, while the RMS of 600 Hz currents is very low compared to the rated current and the current curve may fluctuate insignificantly with high‐resistance grounded faults happening. In view of the fault current, a novel pilot protection principle is proposed in Ref.…”

Section: Introductionmentioning

confidence: 99%

“…However, both these protection schemes may mal‐operate in the case of internal faults close to inverter terminal according to the simulation studies in Ref. . In addition, a transient energy protection scheme has been proposed in a previous work .…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

A particular AC component protection scheme for bipolar HVDC transmission lines

Yang

Tai

Fan

et al. 2018

IEEJ Transactions Elec Engng

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The line protection methods for high-voltage direct current (HVDC) transmission system in engineering applications are poor in sensitivity and reliability. In this paper, we introduce a new notion of energy, namely a particular AC energy, based on which a particular AC component protection scheme is proposed. The scheme is comprised of start-up criterion, fault identification criterion, and faulty pole identification criterion. The start-up criterion is based on the fact that particular AC component measured at both terminals increases rapidly when a fault occurs. The particular AC energy calculated by particular AC component at both terminals behaves differently in the face of an internal or external fault, and this characteristic is applied to construct the fault identification criterion. The particular AC energy on the non-fault line is smaller than that on the faulty line, which can be used to establish the faulty pole identification criterion. Compared with other energy-based protections, the proposed method does not require data synchronization and is not affected by the distributed capacitive current of the transmission line. Comprehensive simulation experiments including real-time digital simulator (RTDS) tests indicate that this method is able to operate reliably under various fault conditions with satisfactory accuracy and high sensitivity.

show abstract

Section: Particular Ac Component and Particular Ac Energymentioning

confidence: 99%

Section: Test On Rtds Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

A particular AC component protection scheme for bipolar HVDC transmission lines

Yang

Tai

Fan

et al. 2018

IEEJ Transactions Elec Engng

Self Cite

View full text Add to dashboard Cite

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A new combined adaptive cumulative sum‐based fault detector for multi‐terminals high voltage direct current transmission lines

Noori

Seifossadat

Saffarian

2021

Int Trans Electr Energ Syst

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In this paper, a communication-based selective protective scheme using the combined adaptive cumulative sum algorithm (CACUSUM) is proposed, which can be used in wide-area protection of multi-terminal high voltage direct current (MT-HVDC) transmission lines. The proposed algorithm works in the time domain and uses the variation pattern of the magnitude of line currents and bus voltages for fault detection. Simulation is done in MATLAB program using a test four terminals meshed HVDC transmission system. As a robust fault detector, the proposed approach detects fault occurrence as well as determining faulty zone, either faults on the DC line or AC part of the HVDC system; the whole in less than 2 ms. Simulation results confirm the robustness of CACUSUM performance against different fault resistances and different fault locations as well as the presence of noise in the signals. Appropriate speed, adaptivity, independence from system parameters, low sampling rate, low computational burden, simplicity, no need for any complicated hardware, and ability to detect cross faults are the significant benefits of this method in comparison with other ones.

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Hybrid travelling wave/distance protection for HVDC transmission lines based on phase angles of characteristic harmonic impedances

Marvasti

Mirzaei

2021

Electr Eng

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Protection scheme for high‐voltage direct‐current transmission lines based on transient AC current

Cited by 61 publications

References 17 publications

A particular AC component protection scheme for bipolar HVDC transmission lines

A particular AC component protection scheme for bipolar HVDC transmission lines

A new combined adaptive cumulative sum‐based fault detector for multi‐terminals high voltage direct current transmission lines

Hybrid travelling wave/distance protection for HVDC transmission lines based on phase angles of characteristic harmonic impedances

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