Volt / VAR Regulation in Energy Transmission Systems Using SVC and STATCOM Devices

Year 2019, Volume: 7 Issue: 4, 424 - 433, 30.10.2019

Hamza Feza Carlak , Ergin Kayar

https://doi.org/10.17694/bajece.595761

Abstract

To ensure
energy continuity in the interconnected power systems, production and
consumption amounts should be in balance, and that can be possible by providing
constant voltage and frequency. Otherwise, undesirable large dynamic
oscillations, voltage collapse may occur, and the quality of the electrical
energy deteriorates. In this study, the power system of the Denizli Region in
the Western Mediterranean Region is modeled using realistic national data. The
simulation study is carried out to obtain the voltages, active and reactive
powers of buses in the case of no-fault and fault occurrence. Using FACTS (Flexible
Alternating Current Transmission Systems) technology such as SVC and STATCOM,
the power systems can be controlled, and the carrying capacities can be
improved within specified limits. Facts devices are capable of producing and
consuming reactive power depending on immediate needs, safe and operating
flexibility, and having a high reaction time in the simulation studies. The
maximum load limits are increased, and the control of the power system is
facilitated. STATCOM provides 31.09 %
more achievement with respect to SVC device at energy production and
consumption rates for the modeled pilot region. The reliability of the
power system has been increased against a voltage collapse, thanks to the SVC
and STATCOM controllers. Furthermore, the voltage stability of the generator is
also raised, and correspondingly the capacity of the power system enhances. The
results are compared to the existing system, and the obtained improvements may
be assessed for the enhancement of the interconnected network grid of Turkey.

Keywords

Power System Analysis, Statcom, Svc, Facts, Voltage Regulation, Reactive Power Regulation

Supporting Institution

Akdeniz Üniversitesi

Project Number

FBA-2018-3792

Thanks

This study has been supported by Akdeniz University Scientific Research Projects Coordination Department within the scope of the project no: FBA-2018-3792 for the possibility to complete a scientific research.

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