Performance review of the VSC-HVDC based controllers

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dc.contributor.author Muriuki, J. K.
dc.contributor.author Muriithi, Christopher M.
dc.contributor.author Ngoo, L. M.
dc.contributor.author Nyakoe, G.N.
dc.date.accessioned 2017-09-08T12:00:57Z
dc.date.available 2017-09-08T12:00:57Z
dc.date.issued 2016
dc.identifier.citation Proceedings of the 2016 Annual Conference on Sustainable Research and Innovation, 4 - 6 May 2016 en_US
dc.identifier.uri http://hdl.handle.net/123456789/2826
dc.description.abstract The Voltage Source Converters, High Voltage Direct Current (VSC-HVDC) system is the most preferred alternative technology for transmission and distribution of electrical power due to its intrinsic distinctiveness in independent control of active and reactive power. In addition, it has the capability to connect weak system to the networks such as the wind farm and other renewable Energy sources. The cascaded control scheme in VSC-HVDC is a two level control system that consists of outer controllers and the inner current controllers. The outer controllers include the active and reactive power controller, frequency controller, AC-voltage controller And the DC-voltage controller. The inner current controller is the inner part of the cascaded control strategy and function in conjunction with the outer controllers. It needs to be very fast as Compared to the outer controllers so as to achieve control system stability. This analysis involves the proposed controllers using mathematical model to investigate the performance characteristics in the control of active and reactive power, and DC voltage. Also analyzed is the behavior of the converters under transient fault at the VSC buses. The model is implemented in Dig Silent Power Factory and the results indicate some good improvement in the controllability of DC voltage, active and reactive power. — en_US
dc.language.iso en en_US
dc.subject Inner Current Controllers, en_US
dc.subject Outer Controllers, en_US
dc.subject Power System Stability, en_US
dc.subject Voltage Source Converter, en_US
dc.subject High Voltage Direct Current. en_US
dc.title Performance review of the VSC-HVDC based controllers en_US
dc.type Technical Report en_US


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