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2019•CSEE Journal of Power and Energy SystemsOpen access

High voltage direct current (HVDC) transmission: Future expectations for Pakistan

Kamran Hafeez, Shahid Khan

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Abstract

An HVDC transmission system for bulk power transfer over longer distance offers numerous advantages over an alternating current (AC) transmission system, such as direct integration of networks operating at different frequencies, comparatively low line losses on account of constant current and absence of reactance. This paper presents details about HVDC power transmission systems and power converter technologies. Issues concerning integration of electrical power generated by alternate sources (i.e., wind, onshore and offshore) into the national grid of Pakistan using HVDC technology are also discussed. Research studies revealed that the energy crisis of countries like Pakistan can be mitigated to a larger extent with the use of HVDC transmission systems.

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What this paper is about

An HVDC transmission system for bulk power transfer over longer distance offers numerous advantages over an alternating current (AC) transmission system, such as direct integration of networks operating at different frequencies, comparatively low line losses on account of constant current and absence of reactance. This paper presents details about HVDC power transmission systems and power converter technologies. Issues concerning integration of electrical power generated by alternate sources (i.e., wind, onshore and offshore) into the national grid of Pakistan using HVDC technology are also discussed. Research studies revealed that the energy crisis of countries like Pakistan can be mitigated to a larger extent with the use of HVDC transmission systems.

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Available abstract

An HVDC transmission system for bulk power transfer over longer distance offers numerous advantages over an alternating current (AC) transmission system, such as direct integration of networks operating at different frequencies, comparatively low line losses on account of constant current and absence of reactance. This paper presents details about HVDC power transmission systems and power converter technologies. Issues concerning integration of electrical power generated by alternate sources (i.e., wind, onshore and offshore) into the national grid of Pakistan using HVDC technology are also discussed. Research studies revealed that the energy crisis of countries like Pakistan can be mitigated to a larger extent with the use of HVDC transmission systems.

Key concepts: High-voltage direct current, Maximum power transfer theorem, Electrical engineering, Direct current, Electric power system, Reactance, Transmission system, Power transmission

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