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Renewable systems and energy 8

storages for hybrid systems

Amjed Hina Fathima*, Kaliannan Palanisamy**
*HCL Technologies Ltd., Chennai, India;
**School of Electrical Engineering, VIT University, Vellore, Tamil Nadu, India

1 Introduction

Sustainable future has to be prioritized and insured while proposing or implement-
ing energy planning and development globally. Depleted fossil fuels, increasing
environmental depletion, and inflation have fueled energy politics into new dynam-
ics [1]. It has become more complex due to energy being a major focal point for
modern economic societies and is also a key player for environmental and security-
based decision makers. Oil had been the key holder for both national and subna-
tional actors of the energy market emphasizing the holders of fuel reserves to be
the big players as producers of energy. However, arguments are ripe that dramatic
changes in the structure of electricity demand, thermal utilization, and electrified
transportation have affected the global energy markets considerably. Renewable
power producers and developers are faced with increasing opportunities but face a
plethora of issues including political bargaining among businesses, governments,
and regulators. Effective planning and implementation of such policies will be the
need of the day to improve renewable power integration and operation for smart
future grids.
Renewable and alternative sources of energies although varied and in abundance
still suffer from many issues which need to be resolved before staking claim to replace
fossil fuels. And it is also understandable that the same cannot be achieved by any sin-
gle energy source existing in nature. Hence, the concepts of Distributed Generations
and Hybrid Energy Sources have been increasingly discussed by both energy portfolio
planners and researchers in recent times [2]. These systems possess the flexibility and
the versatility to override the various integration issues, as they are equipped with the
combined features of the participating sources [3].
Energy storage systems (ESS) have been quite an interesting topic for researchers
and grid planners working in these microgrid and distributed generator networks. This
chapter thus explores the need of ESS and how they can be implemented in hybrid
and renewable systems to enable deliver quality and reliable power to the consumers
[4]. The chapter also presents types and application-based case studies of various ESS
available in the market.

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