Design and operation of DSTATCOM for power quality improvement in distribution systems

Manish Kumar; Anil Swarnkar; Nikhil Gupta; Khaleequr Rehman Niazi

Design and operation of DSTATCOM for power quality improvement in distribution systems

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Author(s): Manish Kumar¹ ; Anil Swarnkar¹ ; Nikhil Gupta¹ ; Khaleequr Rehman Niazi¹
- Affiliations: 1: Department of Electrical Engineering, Malaviya National Institute of Technology , Jaipur, Rajasthan , India
Source: Volume 2017, Issue 13, 2017, p. 2328 – 2333
DOI: 10.1049/joe.2017.0747 , Online ISSN 2051-3305

This is an open access article published by the IET under the Creative Commons Attribution -NonCommercial License (http://creativecommons.org/licenses/by-nc/3.0/)

Received 12/10/2017, Accepted 03/11/2017, Published 01/01/2017

This study provides a control scheme for distribution static compensator (DSTATCOM) which compensates three-phase, four-wire distribution system and operates the DSTATCOM in voltage control mode (VCM). This algorithm provides achievement of advantages of current control mode operation while DSTATCOM operated in VCM. Compensator injects reactive and harmonic component of load current and it provides fast voltage regulation at the load terminal with maintaining nearly unity power factor (UPF). Deadbeat voltage control law is used for generating switching pulses for insulated gate bipolar transistor (IGBT) switches and reference terminal voltage is generated by system in such a way that point of common coupling maintains nearly UPF. The proposed design is implemented to mitigate power quality issues induced by source as well as load and it is found to be efficient and robust which is validated through performance under nominal operation, unbalance and distorted source voltage, sag-swell and unbalancing in load for any types of load. Capability of this arrangement has been verified using result obtained from MATLAB–SIMULINK-based environment. Different types of loads have been considered (balanced and unbalanced, linear and non-linear) to check the performance of this arrangement.

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Design and operation of DSTATCOM for power quality improvement in distribution systems

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