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The escalating demand for fleet electrification across the U.S. presents a significant challenge to existing distribution infrastructure, necessitating EV charging management strategies to meet electrical energy demands and address power quality issues. Level 2 and Level 3 EV chargers, equipped with power electronic converters and PWM technology, generate non-sinusoidal currents, exacerbating power quality concerns at individual sites. The effect of rapid voltage changes (RVC) introduced by this equipment is also discussed. This case study features insights and observations from field-recorded measurements of unbalanced (per-phase) harmonic distortions at a site with over 300 electric van charging stations. The unbalanced harmonic analysis (UBHA) conducted by Eradeh Power Consulting using ETAP Software for the site, revealed distortion limits being exceeded for individual phase currents and voltages as well as power distribution equipment rating overloads (such as transformer K-rating and cable thermal limits). The presentation also discusses how unbalanced harmonic distortions calculated within the site and at the point of common coupling (PCC) can be mitigated using techniques such as the use of active / passive harmonic filters amongst others.
Engineers face unique challenges when calculating DC Arc Flash incident energy for Battery Energy Storage Systems (BESS). Battery short circuit current is highly variant, and factors such as battery chemistry, and how the installation arrangement of BESS have significant differences in short circuit behavior. As well, traditional methods of calculating DCAF have been determined to fall short when it comes to BESS. In this demonstration, these variations will be discussed, including PPE considerations. Following this, a demonstration of the Transient DC Arc Flash solution provided by ETAP solutions will be presented. The presentation will show the usefulness of model validation, and the importance of high quality analysis methods to provide better accuracy in DC AF analysis for BESS.
La Municipalidad de Stellenbosch, una autoridad local en la provincia de Cabo Occidental en Sudáfrica, que atiende a más de 200,000 clientes, buscaba un socio OEM (Fabricante de Equipo Original) capaz de proporcionar soporte integral para establecer una Estación Maestra SCADA en su Centro de Control, con el fin de supervisar y operar su red de distribución. Además, necesitaban asistencia para preparar la configuración del sistema de la Estación Maestra SCADA y permitir una solución de protección y control de subestaciones completamente integrada.
Con la ayuda de Altek 欧美A片 (Integrador de Sistemas de ETAP en Sudáfrica), este proyecto se ejecutó para cumplir con el objetivo del cliente. Esta presentación aborda la nueva Estación Maestra SCADA en el Centro de Control Municipal, que se implementó en varias fases. La primera fase consistió en establecer SCADA en el Centro de Control y conectar 7 subestaciones. La siguiente fase será añadir capacidades de DMS (Sistema de Gestión de Distribución) y OMS (Sistema de Gestión de Operaciones) al sistema SCADA.
ETAP fue seleccionado para esta fase debido a su plataforma modular y escalable, lo que permitirá construir sobre el sistema SCADA de ETAP para satisfacer fácilmente su necesidad de un Sistema de Gestión de Distribución en el futuro.
Multiple arc flash incident energy mitigation methods are available, but how does an engineer know which is best for their client? This presentation identifies an approach to follow to pick the method, considering effectiveness, practicality, feasibility, and overall best option for realistic study results. With extensive experience with arc flash studies for many clients of all sizes, Mangan provides a real world demonstration of a project for a refinery client. The interplay between motor starting and arc flash analysis was evaluated, and mitigation recommendations were customized for the system. The challenges encountered during mitigation are identified, and the proposed solution is analyzed using ETAP Load Flow, Short Circuit, Arc Flash and Motor Acceleration Analysis. Safe motor operation, safe motor starting and arc flash protection are provided through customized mitigation methods and thoughtful system design.
This Red Sea Project is a groundbreaking endeavor in Saudi Arabia under the Saudi Vision 2030 economic development program. The project is powered by a fully renewable energy system, including large-scale solar photovoltaic (PV) system and a substantial 1.3 GWh energy storage system, effectively providing 100% clean energy to the development. As the Engineering, Procurement and Construction firm for this project, SEPCOIII has been involved with the design and construction of a wide range of permanent utility assets, including support facilities such as desalination plants, power generation facilities and distribution networks for water, electricity and natural gas. In this presentation, learn how SEPCOIII relied on ETAP's Advanced Distribution Management System (ADMS) to assist with the technology challenges for the project’s distributed energy power system, and how the solution is being used to manage and supervise the power distribution system to achieve better optimizations and improve system stability.
Discover the new Feeder Hosting Capacity module provided in ETAP 2024 to support solar PV systems being integrated into modern distribution networks. Incorporating PV arrays into existing feeders presents several challenges, including overvoltage, backflow, thermal overloading, protection mis-coordination, and increased harmonic distortion. To address these issues, it is essential to perform feeder hosting capacity (FHC) studies, which assess the optimal amount and placement of PV installations. By leveraging ETAP 2024's Feeder Hosting Capacity module, engineers and utilities can confidently integrate renewable energy sources into their grids while ensuring optimal performance and sustainability. The three key analysis options provided in ETAP FHC, Nodal HC, Stochastic HC and Impact Analysis are described in detail, along with how smart inverters are addressed.
Descubra SEE Electrical Expert V5R1.
The webinar is an opportunity to discover how the features in this release of GridCode contribute to better and faster grid code compliance evaluation in an automated fashion, including real and reactive power capability, and harmonic distortion and resonance. By carefully evaluating the impact of new generation on the grid, you’ll learn how to define and produce compliance studies that help protect the system, enable renewable energy growth, and promote cost-effective grid development.
ETAP 2024 has transformed how we assess DC arc flash incident energy for battery energy storage systems (BESS). In this video, you’ll learn about two of the cutting-edge features in ETAP 2024 that will redefine your approach to BESS Arc Safety.
This webinar will focus on time-saving tips and in the new ETAP 2024 Unified Digital Twin application to streamline your workflows, improve modelling accuracy, and expedite project delivery.