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Diseño y análisis integrados de CA y CD
SCADA, EMS, PMS, ADMS y SAS basados en modelos
Controladores inteligentes y sistema de gestión
Una plataforma unificada de gemelo digitalDiseño, Operación y Automatización
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Load Shedding and demand curtailment are critical for the preservation of essential loads and avoiding widespread system outages. This power balancing strategy should be based on an integrated fast-responding system that considers process and power system dynamics.
Utilizing an electrical digital-twin foundation with embedded predictive analytics, adaptive optimization algorithms, and action validation, etap Intelligent Load Shedding ensures fast, safe, optimized, proactive, and reliable operation.
Intelligent Load Shedding means the monitoring and making decisions based on the state of the system model, value of the operation, criticality of the processes running, and environmental impact.
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ETAP ILS predice el escenario óptimo de deslastre de carga basado en la dinámica real del sistema, lo que lo convierte en la solución más inteligente disponible, sin dudas.
Preserve system operation against disturbances, loss of generation, and unplanned outages.
Restores loads incrementally based on knowledge of process and electrical system interdependencies
Validate load shedding logic schemes via simulation prior to field deployment
A model-driven controller integrated with real-time operational digital twin to validate, optimize, predict, and preform load shedding.
An incorrect or insufficient response to a disturbance such as a fault or a system islanding event can cause excessive shedding or total system blackout. These large and sudden disturbances result in extensive operational disruptions and costly recoveries. How much to shed and how fast is the answer.
How much load and what combination of loads needs to be shed in order to maintain system stability?
Optimal Load Shedding - The correct and optimal amount of load to shed depends the system dynamics, inertia, and actual operating conditions, knowledge of past system disturbances as well as the type and duration of disruptions.
Are the revenue-generating processes and priority loads preserved during the outage?
A model-driven load shedding solution incorporates power system topology with Dynamic Load Priority tables to automatically analyze and track the system changes with a fast-acting response to disturbance triggers. All with objective to preserve critical process by saving essential loads and protect against production loss while maintaining service continuity, system uptime, and process survivability.
How are the critical processes in danger of a disorderly shutdown, left to run?
A Proactive Intelligent Load Shedding system provides faster, and proven optimal load relief by utilizing an electrical digital twin foundation with embedded power and process predictive analytics, adaptive optimization algorithms, and Action Validation to secure service continuity to critical processes and subsystems.
Will the designed load shedding scheme operate properly when triggered?
A unique advantage of a model-driven solution is the ability to easily simulate what-ifs, test, tune, and confirm the load shedding response both in design phase and in real-time operation mode.
Can the system be restored quickly and properly and how?
Load Restoration & Management applications integrated as part of the intelligent load shedding solution ensure quick recovery and orderly restoration to minimize the duration of a costly downtime following a disturbance.
How is limited power diverted and distributed around the system?
Effective restoration ensures faster process startup and alignment while maintaining fault isolation without exceeding the capacities of alternate power sources and routes.
Does the system have adequate spinning reserves?
The load shedding system must be pre-armed with knowledge of the power exchange and balance between the system loading and available generation, for pre and post disturbance conditions. The solution must ensure that adequate spinning reserves are available to minimize fuel cost consumption and reduce the need for hot-standby generators.
How to reduce the cost of spinning reserve equipment and fuel?
By reducing the amount of required spinning reserve, the added savings on the fuel cost and maintenance for these diesel generators offers an immediate ROI.
How to safeguard the most valuable resources?
Early detection and instantaneous action of an appropriate load shedding response prevents compromised production throughput and safeguards plant and personnel safety.
How to guarantee preservation of power to mission-critical processes and areas?
Intelligent load shedding system continuously monitors and predicts system response at any instant of time to guarantee reliable and repeatable response while striking a balance between safety, plant uptime, and operating cost.
For more than 30 years, ETAP Intelligent Load Shedding solution has ensured safe and reliable operation across a range of industries from Oil & Gas to Hospitals, and Manufacturing. Learn how ETAP ILS delivers value and savings from implementation to benefit recognition.
Recomendamos la solución ETAP para las industrias de Minería y Generación de Energía para monitoreo en tiempo real y desprendimiento de carga inteligente. Desde la implementación del Sistema de Deslastre de Carga ETAP en nuestro lado minero, la evitación de costos del tiempo de inactividad ha aumentado aproximadamente a $ 5 millones. Más importante aún, al no ejecutar generadores diesel, tenemos una reducción total de costos de $ 72 millones. Amman Mineral
Recomendamos la solución ETAP para las industrias de Minería y Generación de Energía para monitoreo en tiempo real y desprendimiento de carga inteligente. Desde la implementación del Sistema de Deslastre de Carga ETAP en nuestro lado minero, la evitación de costos del tiempo de inactividad ha aumentado aproximadamente a $ 5 millones. Más importante aún, al no ejecutar generadores diesel, tenemos una reducción total de costos de $ 72 millones.
Amman Mineral
Amman Mineral, operador de una de las minas de cobre y oro más grandes de Indonesia, redujo significativamente las pérdidas de producción causadas por una variedad de perturbaciones ambientales al implementar la solución ETAP Intelligent Load Shedding. Hasta la fecha, la instalación tiene un ahorro total para evitar costos de más de $ 72 millones por no operar generadores diesel a través de la optimización y reducción de los requisitos de reservas de hilatura.
The critical loads in a mining company include the mills involved in unearthing process as well as the motors that cool them. Sag mills as large as 12,000 HP are the backbone of the entire process. Due to disturbances at the supply, if these machines are shed, it typically takes 24 hours to bring them back in operation. ETAP ILS monitors the entire system collectively and knows the status of every individual load and the amount of loading. ETAP ILS uses this knowledge to reprioritize the load shedding list dynamically such that all critical loads in the mining company are being preserved under foreseen or unforeseen circumstances with an estimated saving of at least $500,000 per day.
By providing a faster and intelligent control of the loads being shed, the required spinning reserve demand was reduced tremendously. By reducing the amount of required spinning reserve, the savings on the fuel cost and maintenance for these diesel generators paid for ETAP ILS in the first six month alone.
ETAP ILS scans the system periodically for signs of disturbance and in some cases potential disturbance such as a trip on the pulverizer that crushes the coal for the steam generator. After a pulverizer trip, the coal feed into the combustion chamber will be reduced and eventually will result in a drop on the steam pressure and final electrical output. ETAP ILS does not wait for the system to reach that stage and instantaneously knows how much load shed needs to be done to prevent mechanical stress on generators and the rest of the system. ETAP ILS is trained to think and it always double-checks to make sure the disturbance signal it is receiving is in fact true and not a nuisance signal. With multiple redundant units available, ETAP ILS is the safest and reliable method for load shedding.
La potencia y la funcionalidad del sistema ETAP Intelligent Load Shedding realmente dieron en el blanco con los desafíos que Holcim tuvo en la planta. El riesgo de cortes de energía no programados casi ha desaparecido. El hecho de que ILS se integrara e implementara con relativa facilidad fue la clave para un ROI inmediato Holcim Cement
La potencia y la funcionalidad del sistema ETAP Intelligent Load Shedding realmente dieron en el blanco con los desafíos que Holcim tuvo en la planta. El riesgo de cortes de energía no programados casi ha desaparecido. El hecho de que ILS se integrara e implementara con relativa facilidad fue la clave para un ROI inmediato
Holcim Cement
La planta de cemento de Lafarge Holcim en El Salvador es la compañía líder en el país en la producción y comercialización de cemento, concreto y agregados de alta calidad. Holcim se dirigió a ETAP para reemplazar su sistema de desprendimiento de carga lento y poco confiable que resultó ineficaz para preservar el sistema de energía contra las perturbaciones causadas principalmente por la red eléctrica debido al clima inestable y los rayos. Cada interrupción en la planta tiene un impacto de pérdida de producción de 1,2 millones de toneladas.
With Holcim’s power generators running continuously to support a power contract to provide power to the grid to help offset peak loads, the unscheduled outages were proving costly, not to mention compromising the plant’s goals of meeting its own requirements to maintain the process load operating 24 hours per day, every day.
The plant’s existing load shedding system were proving to be too slow and otherwise too limited in their ability to respond to the broad and diverse range of operating scenarios necessary to satisfy the operating conditions and business objectives of the plant. In fact, the existing system either would under-shed or over-shed the load causing the system to become unstable and resulting in partial or total plant shutdown.
With the help of multi-threading technology ETAP ILS determines, simultaneously and instantaneously, optimal amount of load to shed under various possible disturbances. Using intelligent grouping and sorting techniques, ETAP ILS determines exactly how much load needs to be shed and what combination of loads would help it reach that target in order to maintain system stability.
Holcim’s ETAP Intelligent Load shedding system remains fully armed at all times, ready to act on multiple scenarios depending on the specific conditions occurring at that time. The ILS system gathers system parameters throughout the electrical network, including the generation and loading status, to adjust its ever changing load shedding scenarios. By the time an event occurs, the substation (local) controls have already been instructed by the ILS system to act, namely, to switch loads as required to properly load the generators and keep the plant running.
The ILS system remains several steps ahead of the event condition by virtue of its constant monitoring and modeling of the entire electrical system, taking into account maintenance cycles, operational changes, or any last minute changes in process control.
The ILS system automatically senses changing conditions and responds with new instructions on continuous basis, allowing the system overall to react within 25 milliseconds or less to an event.
El sistema de desprendimiento de carga predictivo de ETAP calcula la potencia mínima requerida para eliminar, así como la mejor combinación de cargas para cada subsistema según el tipo y la ubicación de la perturbación, la generación operativa real, la reserva de centrifugado, la carga, la configuración, la distribución de carga y prioridad. Todo se ejecuta instantáneamente (sin demora) una vez que ocurre una perturbación en el sistema por eventos transitorios o después de una demora de tiempo definida por el usuario para condiciones de sobrecarga en estado estable.
Va más allá del desprendimiento de carga reactiva cuando se detecta una perturbación.
Determina la cantidad de desprendimiento de carga que se necesita y en qué combinación óptima para evitar el estrés en el resto del sistema.
Responde a las perturbaciones de energía instantáneamente (sin demora) desde la detección hasta el cobertizo de carga.
Restaura las cargas de forma incremental en función del conocimiento de las interdependencias de procesos y sistemas eléctricos.
Pruebe y confirme fácilmente esquemas lógicos de deslastre de carga en modo en tiempo real utilizando el motor integrado de Análisis de Estabilidad Transitoria.
Utiliza métodos de cálculo robustos diseñados en una plataforma de arquitectura abierta que permite la validación de esquemas de deslastre de carga en todo el sistema mediante simulación antes del despliegue en el campo.
Deslastre de carga inteligente ETAP: ILS ™ determina de forma dinámica e instantánea la mejor prioridad de deslastre de carga.
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This webinar presents how ETAP iLS Controller ensures fast, safe, comprehensive, and reliable operation by utilizing an electrical digital-twin foundation with embedded predictive analytics, adaptive optimization algorithms, and action validation to make Faster than Real-Time decisions.
At a given nuclear power plant, nuclear safety is directly dependent on a reliable source of electric power supplied via the plant’s auxiliary power system. The auxiliary power system typically consists of an MV and LV AC and a DC distribution system, powering thousands of individual loads and circuits, i.e., pumps, fans, valves, sensors, and controls specifically designed to protect the integrity of the nuclear reactor and containment structures. This presentation will explore past practices and recent developments in the online monitoring of such systems using a digital twin. The presentation includes the reasons for utilizing online monitoring, the advantages of using a digital twin versus simple data collection, and the multi-faceted benefits realized from such a system (i.e., business, safety, reliability).
The presentation will show the implementation of the intelligent load shedding (ILS) of ETAP, in the water treatment plant of Bello, Colombia. First, a description of the production process that is carried out within the plant will be given, then particularities of the power system will be shown, and a general description of the architecture regarding the automation system of the plant will be made. Finally, the intelligent load shedding system will be presented, as a predictive system to keep the system online, in the event of contingencies that affect its stability.
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