Abstract
In these post COVID times, the world is going through a massive restructuring which India can use to its benefit by attracting foreign industrial investment. The major requirement is a reliable and ecofriendly electrical power source. Of late, renewable energy sources have increasingly become popular as alternative source of electricity. They can provide immense aid in improving the reliability of the power system, when placed properly. The alternative integrated energy sources along with FACTS devices can provide a promising future for reliable power systems. In this paper, an effective location for the solar power unit and Interline Power Flow Controller using Line Severity Index is proposed in order to avoid contingencies. An Indian 62 bus system and IEEE 57 bus system are considered for the study. The Firefly algorithm is used to tune the IPFC in the Integrated Energy Systems scenario, for a dual objective function. The effect of placement of the solar unit and the optimized IPFC is analyzed and studied in detail in this paper.
Highlights
Line Severity Index (LSI) is an index used for determining the severity of the system loading under normal and contingency conditions
A reliable power system is a key to attracting foreign investment in the country in the form of industries
The renewable energy sources which are already a promising alternative to conventional power systems can be used in combination with FACTS devises to improve the stability and reliability of the existing power systems
Summary
India is an overpopulated nation with increasing power demands. There is immense pressure on the power industry to cater to the needs of the fast-developing nation with the rapid growth in the industrial sector. Researchers have done an intensive study on different methods of incorporating alternative sources of energy in conventional power systems. The IPFC has been found to be very effective for solving power system congestion and contingency issues [11,12]. Control of FACTS devices the Integrated power systems scenario has been studied [16]. Authors have not yet given attention to the effective placement of renewable energy sources in the power system to avoid system contingency issues. Strategic placement of the alternative power sources in combination with the FACTS devices can be very effective in improving the reliability of the transmission system. A line severity index is proposed which is capable of providing an effective location for the placement of both solar power systems and IPFC. Pni and Qni—active and reactive power flows leaving bus n connected to IPFC
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