Distributed generation (DG) systems are considered an integral part in future distribution system planning. The active and reactive power injections from DG units, typically installed close to the load centers, seen as a cost-effective solution for voltage support, energy saving, reliability improvement. This paper proposes novel expansion planning strategy encompassing renewable with schedulable intermittent patterns. capability limits of different covering wind, solar photovoltaic,...

Voltage regulation in distribution systems is typically performed with the aid of multiple voltage regulating devices, such as on-load tap changer and step regulators. These devices are conventionally tuned locally coordinated using Volt/VAR optimization strategies accordance time-graded operation. However, case distributed generation (DG), there could be a possibility simultaneous responses DG regulators for correcting target bus voltage, thereby resulting operational conflicts. This paper...

The uncertainty in the availability of wind generation and lack coincidence between system peak demand make farms (WFs) to be nondispatchable energy resources impose limits on potential penetration mix. Battery storage systems (BESSs) integrated with WFs can reduce variability output allowing them dispatched for network support, especially under load conditions. This paper proposes an effective power dispatch control strategy aid BESSs improve supply reliability taking into account...

Microgrid systems located within commercial premises are becoming increasingly popular and their dynamic behavior is still uncharted territory in modern power networks. Improved understanding design operation required for the electricity utility building services sectors. This paper evaluates requirements a microgrid system to facilitate seamless mode transition considering an actual system. A simulation model of proposed established (utilizing DIgSILENT Power Factory) aid development...

With ever increasing penetration of renewable distributed generation (DG) in distribution systems, power restoration remote feeders under emergency conditions tends to be carried out with the support DG units. The available from units ensures more number affected customers, thus, improving overall system reliability. In this paper, a probabilistic based analytical method is developed assess reliability terms average interruption duration index and frequency for containing dispatchable...

Recent government policy initiatives have significantly increased the number of grid connected solar PV systems in distribution networks. Thus, it is vital importance to understand technical impacts high penetration levels on operating performance these This paper presents an analysis power quality aspects urban low voltage (LV) network with Sri Lanka. The study includes three-phase load flow carried out by modeling selected DIgSILENT PowerFactory simulation platform using 15 - minute data....

The integration of water electrolysis with renewable energy sources (RESs) constitutes a milestone in the transition to neutral and sustainable systems. attractive features Proton Exchange Membrane (PEM) electrolyzer such as high purity hydrogen, operation pressure, current densities have made it critical technology produce green hydrogen from RESs. Accurate models are required for proper design, analysis, control when connected grid or Amongst various types proposed modeling PEM...

Renewable energy power producers are exposed to significant volatility in revenue due intermittency associated with wind and solar energy. Moreover, higher penetration of variable renewable the electric grids is significantly increasing cost procuring reserves, resulting electricity costs consumers. Hence, a market that can appropriately distribute reserves whilst ensuring stability for crucial. In this work, authors propose novel hedge-based model allows generators secure hedge contracts...

A dedicated grid-tied offshore hybrid energy system for hydrogen production is a promising solution to unlock the full benefit of wind and solar realize decarbonization sustainable security targets in electricity other sectors. Current knowledge these systems limited, particularly integration, component control, allocation aspects. Therefore, grid-integrated analytical model with power dispatch strategy between grid electrolyzer co-production from developed this paper. While producing...

The responses of multiple distributed generation (DG) units and voltage regulating devices, such as tap changers capacitor banks, for correcting the may lead to operational conflicts oscillatory transients, where distribution systems are subjected network reconfiguration availability DG units. Therefore, coordinated control is required minimize interactions, while accounting impact structural changes associated with network. This paper proposes a strategy coordinating operation devices in...

Voltage regulation by means of coordinated voltage control is one the challenging aspects in an active distribution system operation. Integration distributed generation (DG), which can also be operated Volt/VAr mode, may introduce adverse effects including interactions, operational conflicts, steady-state variations, and oscillations. Therefore, examining analyzing phenomenon (both steady state dynamic) interactions among multiple support DG units regulating devices such as tap changers...

Integration of renewable distributed generation (DG) units into distribution networks is gaining widespread popularity. However, uncertainties in availability associated with DG pose a major challenge. These should be properly addressed to ensure acceptable system performance and improve customer-side reliability. In this article, the reliability assessment systems embedded sources has been carried out giving emphasis optimal restoration strategies. The power output from resources,...

This paper proposes a decentralised control strategy using droop-based to vary the charging rates of electric vehicles (EVs) in real-time response nodal voltages, voltage unbalance and state-of-charge (SOC). developed aims mitigate excessive rise caused by rooftop solar photovoltaic (PV) systems unbalanced loads low-voltage (LV) distribution network. will also smooth profile through peak reduction valley filling EV during times low load, high generation performing vehicle-to-grid operations...

Electrification of the transport sector introduces operational issues in electricity distribution network, such as excessive voltage deviation, substation overloading, and adverse power quality impacts on other network loads. These concerns are expected to grow electrification expands incorporate heavy vehicles trucks buses due their greater energy requirements higher charging Two strategies proposed support medium- heavy-duty chargers which address high demand mitigate disturbances...

With recent technological advancements, advanced communication technology, sensors and distributed generation (DG), it is an undeniable fact that modern power systems are flooded with massive amounts of data. These vast amount generated data difficult to interpret comprehend, slow sort through explain. ever increasing renewable generation, grid operators should gain insights on identifying the vulnerabilities, behaviour interactions various system components anticipate challenges enhance...