HVDC Light: A New Technology for a Better Environment

Weimers, Lars

doi:10.1109/mper.1998.691411

Cited by 109 publications

(33 citation statements)

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“…The advanced controllability of the VSC HVDC technology has rendered the power transmission system capable of providing grid support to the connected AC networks [8][9][10]15,17,27,28]. Therefore, VSC HVDC transmission systems have experienced an increasingly wider range of applications [14,15,27,[29][30][31][32][33]. One of the emerging application areas is the integration of remote RESs to the power system.…”

Section: Introductionmentioning

confidence: 99%

Review of VSC HVDC connection for offshore wind power integration

Korompili

Zhao

2016

Renewable and Sustainable Energy Reviews

124

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Voltage Source Converter (VSC) High Voltage Direct Current (HVDC) connection has become a new trend for long distance offshore wind power transmission. It has been confirmed by a lot of research that the maximum distance of a High Voltage Alternative Current (HVAC) sub-marine cable transmission system is limited due to surplus charging current of the cables. The VSC HVDC transmission system has the ability to overcome the limitation and offers other advantages over the HVAC transmission system. This paper is to review the VSC HVDC transmission technology and its application for offshore wind power integration. Firstly, the main components, configuration and topology of the VSC HVDC transmission system are described.Secondly, the converter control system and control strategies are presented. Following that, the capabilities of the VSC HVDC technology are described. Finally, the focus is given on the control methods of the VSC HVDC transmission system for fulfilling grid code requirements concerning Low Voltage Ride-Through (LVRT) and frequency regulation.

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Section: Introductionmentioning

confidence: 99%

Review of VSC HVDC connection for offshore wind power integration

Korompili

Zhao

2016

Renewable and Sustainable Energy Reviews

124

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“…DVR minimizes the voltage disturbance by injecting missing voltage through voltage source converter driven by pwm pulses. However a good controller is required possessing qualities like dynamic response, stability and steady-state accuracy [7][8][9][10][11][12][13][14]. Few controllers have been presented earlier in literature studies, such as feedback and feed-forward [8], double-vector [9], proportional and integral (PI) [10], fuzzy and adaptive PI-fuzzy controllers [11,12].…”

Section: Introductionmentioning

confidence: 99%

Reduction of Voltage Disturbances in Distribution System Using Neural Controller

Praveen¹,

Ganesh²

2017

IJIERE

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“…(1)(2)(3) However, the effect of space charge is the bottleneck during the development of HVDC plastic cables. (4)(5)(6) Until now, many studies at home and abroad have shown that the existence, transfer and disappearance of space charge will directly lead to the distortion of the local electric field in materials and then further indirectly affect the conductivity, breakdown, aging and other aspects of insulating materials.…”

Section: Introductionmentioning

confidence: 99%

Factors Affecting Pulse Injection from Measuring Electrode Based on the Pulsed Electroacoustic Technology for Coaxial Cables

2017

Sensors and Materials

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Keywords: pulsed electroacoustic method, coaxial cable, coupled pulse, pulse injection, outer semiconductive layerIn the pulsed electroacoustic (PEA) space charge measurement system used for coaxial cables, the waveform of a coupled pulse will directly affect space charge profiles in cable insulation. In this paper, on the basis of the PEA measurement system with pulse injection from a measuring electrode, the original charge acoustic signals in a 35 kV cross-linked polyethylene (XLPE) cable were collected directly from the oscilloscope under different ground distances between the measuring point and the ground point along a cable's semiconductive (SC) layer. At the same time, the effects of ground distance, cable specification, and cable length on the waveform of a coupled pulse were studied through a series of experiments and simulations. The results show that the amplitude of the coupled pulse is directly proportional to the ground distance but inversely proportional to the cable cross section or voltage class. Furthermore, the pulse coupling efficiency is almost the same only if the cables have the same diameter of the outer SC layer. Therefore, a constant pulse coupling efficiency can be obtained by adjusting the ground distance according to the diameter of the cable's outer SC layer.

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HVDC Light: A New Technology for a Better Environment

Cited by 109 publications

References 0 publications

Review of VSC HVDC connection for offshore wind power integration

Review of VSC HVDC connection for offshore wind power integration

Reduction of Voltage Disturbances in Distribution System Using Neural Controller

Factors Affecting Pulse Injection from Measuring Electrode Based on the Pulsed Electroacoustic Technology for Coaxial Cables

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