In a liberalized electricity market, an important and major task of System Operator (SO) is to
support the transactions of power and to match required demand-supply balance. To …

An introduction of competition in electricity markets and the substantial growth in the
capacity of transactions significantly complicates the task of sustaining security and …

Increasing variable renewable energy penetration, climate change, and global uncertainties
will make it harder to stabilize and balance power systems. This situation will be especially …

With growing shares of renewable power generation, ancillary services such as reactive
power become increasingly important to balance power systems. In this work, we provide a …

This article analyzes the losses, efficiency and fuel consumption of the generating units
during the process of producing active and reactive energy. It presents a proposal for tests to …

This paper proposes a combined pool/bilateral short term hydrothermal scheduling model
(PDC) for the context of the day-ahead energy markets. Some innovative aspects are …

This paper presents the losses, maintenance and variation of the turbine flow in the
hydroelectric plants for the generation of reactive energy, in the condition of synchronous …

Ancillary services are essential for the reliably high-quality operation of a power system.
These services are provided by network users and procured by the independent system …

Considering the constant development that have been happening on distribution networks,
mainly with smart grids concept advent, the ancillary services support through distributed …