A novel traveling-wave-based protection scheme for LCC-HVDC systems using Teager Energy Operator

Wang, Hao; Mirsaeidi, Sohrab; Kang, Xiaoning; Xiang, Dong; Tzelepis, Dimitrios

doi:10.1016/j.ijepes.2018.01.048

Cited by 38 publications

(21 citation statements)

References 19 publications

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“…Varying the fault type and changing the distance between two converter stations are the parameters employed to draw the conclusions about validation of the traveling wave-based approach for fault estimation. The test model of the VSC-based HVDC transmission system consists of voltage source converters (VSCs), transformers, phase reactors, AC filters, DC filters and DC transmission cable [56][57][58][59][60]. Both ends of transmission lines are connected to converter stations of the same arrangement but different operations, i.e., rectification and inversion.…”

Section: Simulation Resultsmentioning

confidence: 99%

Traveling Waves-Based Method for Fault Estimation in HVDC Transmission System

Muzzammel

2019

Energies

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The HVDC transmission system is winning hearts of researchers and electrical engineers because of its notable merits as compared to the HVAC transmission system in the case of long-distance bulk power transmission. The HVDC transmission system is known for its low losses, effective control ability, efficiency and reliability. However, because of the sudden build-up of fault current in the HVDC transmission system, conventional relays and circuit breakers are required to be modified. Detection of fault location is an important parameter of protection of the HVDC transmission system. In this research paper, fault location methods based on traveling waves are reviewed for the HVDC transmission system. Arrival time and natural frequency are the two parameters of measurement in traveling waves. Advantages and disadvantages of methods of traveling waves with respect to their quantities of measurements are analyzed critically. Further, a two-terminal HVDC test grid is simulated over Matlab/Simulink. Different types of AC and DC faults and at different locations are analyzed on a test grid. A traveling wave-based technique of fault estimation is developed and is evaluated for identification, classification and finding location of faults to validate its performance. Moreover, this technique is supported with analysis of fast Fourier transform to accelerate its practicality and realization.

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Section: Simulation Resultsmentioning

confidence: 99%

Traveling Waves-Based Method for Fault Estimation in HVDC Transmission System

Muzzammel

2019

Energies

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“…Once the fault line is identified, the two-end traveling wave-based fault location method is used to locate the fault in the HVDC line. In [46], the traveling wave propagation process is used to differentiate the internal fault from the external fault in the LCC-based HVDC system using the Teager energy operator (TEO). In the proposed method, the short data window is enough to make the decision and it can also detect high impedance and long-distance faults.…”

Section: Traveling Wave Based Methodsmentioning

confidence: 99%

A comprehensive review of DC fault protection methods in HVDC transmission systems

Muniappan

2021

Prot Control Mod Power Syst

164

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High voltage direct current (HVDC) transmission is an economical option for transmitting a large amount of power over long distances. Initially, HVDC was developed using thyristor-based current source converters (CSC). With the development of semiconductor devices, a voltage source converter (VSC)-based HVDC system was introduced, and has been widely applied to integrate large-scale renewables and network interconnection. However, the VSC-based HVDC system is vulnerable to DC faults and its protection becomes ever more important with the fast growth in number of installations. In this paper, detailed characteristics of DC faults in the VSC-HVDC system are presented. The DC fault current has a large peak and steady values within a few milliseconds and thus high-speed fault detection and isolation methods are required in an HVDC grid. Therefore, development of the protection scheme for a multi-terminal VSC-based HVDC system is challenging. Various methods have been developed and this paper presents a comprehensive review of the different techniques for DC fault detection, location and isolation in both CSC and VSC-based HVDC transmission systems in two-terminal and multi-terminal network configurations.

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“…The field data is obtained from short circuit tests on the Lingzhou–Shaoxing ±800 kV, 5 kA, the ultra‐HVDC system with the line length of 1720 km and pre‐fault current of 0.5 kA (0.1 p.u.) [40]. The fault current is sampled at the sampling frequency of 5 kHz.…”

Section: Sensitivity Analysismentioning

confidence: 99%