Introduction
Geothermal power plants create electricity from geothermal energy. These power plants are similar to other steam turbine station; however their heat source is that of the earth's core. The created steam is used to turn the turbine for the production of electricity. Technologies include Dry steam, Flash steam and Binary cycle power stations with Binary cycle being the most common geothermal plant in current production. In the process of geothermal power generation the facility needs to monitor various processes, as in this case steam line pressure sits in remote from control room's location.
Benefits
- Reduced installation cost (CAPEX), high gain antennas allow remote monitoring up to 5km
- Improved future flexibility & scalability with ISA100 Wireless open and scalable network design
- Minimized infrastructure with long battery life (10 years with 30sec updates), reduced maintenance costs and effort based on flexible device functionality
- Reduced patrol rounds by monitoring steam pressure measurements located 2km away from control room
Requirements
To replace existing pressure gauges on production wells with wireless pressure transmitters for online monitoring back at the local control room which can be relayed to operations. Measurement points are located in dense forest where the terrain slope is 1:20 which increased the difficulty of wireless communication.
Challenges
- Long Communication Range in dense forest
- Antenna propagation angle
Solution
The YFGW710 was installed neat the control room, fitted with a 6dBi antenna to enable the long communication hop to the steam extraction points. The YTA510 wireless temperature transmitter also was fitted with a remote high gain antenna to act as a repeater in order to extend the coverage of the measurement points. The EJX110B wireless pressure transmitters were directly mounted at the required measurement points. Remote antenna cables were used for Sky Mesh approach to avoid forest obstacles with angled antennas for sloping signal propagation to match the grade of the environment.
Conclusion
- High gain antenna provided exceptional performance where only one repeater could achieve reliable communication with gateway covering the required distance.
- Field patrol interval was extended from daily monitoring to monthly in order to verify the site status and security.
- The wireless network enabled easy expansion of additional wireless measurement points.
Yokogawa has a proven track record of delivering reliable, scalable and open technologies for a century. ISA100 wireless solutions address the specific challenges of the industrial automation industry while lowering cost ownership for our end users and maximizing their return on the investment.
Industrias
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Energía
A mediados de la década de 1970, Yokogawa inició su participación en el negocio de la energía con el lanzamiento del Sistema de control eléctrico EBS. Desde entonces, Yokogawa ha continuado firmemente con el desarrollo de nuestras tecnologías y capacidades para proveer los mejores servicios y soluciones a nuestros clientes en todo el mundo.
Yokogawa ha operado la red de soluciones de energía globales para jugar un papel más activo en el dinámico mercado de energía global. Esto ha hecho un posible un trabajo en equipo más unido dentro de Yokogawa, el cual conjunta nuestros recursos globales y nuestra especialización en la industria. Los expertos en el sector de energía de Yokogawa trabajan juntos para brindar a cada cliente la solución que se adapta mejor a sus requerimientos sofisticados.
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Energía geotérmica
La energía geotérmica puede generar un suministro estable de electricidad durante todo el año, ya que no depende de las condiciones meteorológicas. Además, como no hay combustibles que se quemen por encima del suelo y solo se liberan muy pequeñas cantidades de dióxido de carbono, es amigable con el medio ambiente. Hay abundantes recursos geotérmicos a lo largo del cinturón del Pacífico (también conocido como el "anillo de fuego"), en países como Japón, Filipinas, Indonesia, Nueva Zelanda, México, Costa Rica y Estados Unidos, así como Islandia, Turquía, e Italia que se encuentran en otras regiones de actividad geotérmica. Hasta la fecha, Yokogawa ha participado en 30 proyectos de generación de energía geotérmica en Japón, el Sudeste de Asia y otras regiones, proporcionando una variedad de tecnologías de medición y control que mejoran la confiabilidad y la eficiencia en el mantenimiento de sistemas de generación de energía geotérmica.
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Energía renovable
El uso de la energía renovable protege al medio ambiente y permite que la sociedad y la industria estén más cerca de lograr la meta de la sostenibilidad. Sin embargo, en comparación con las fuentes de energía convencionales, existen ciertos obstáculos que se interponen en el camino de su rápida adopción, tales como mayores costos de producción y una mayor inestabilidad en el suministro de energía a la red. Como empresa líder en el negocio de control e instrumentación, Yokogawa siempre se ha esforzado para ayudar a sus clientes en diversas industrias a lograr un funcionamiento estable y mejorar la productividad en sus plantas. Con base en el concepto VigilantPlant para alcanzar la excelencia operativa, estamos proporcionando soluciones que allanen el camino para el uso de fuentes de energía renovables.
Productos y Soluciones Relacionadas
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EJX110B Wireless Differential Pressure Transmitter
The high performance wireless differential pressure transmitter EJX110B features a single crystal silicon resonant sensor and is suitable to measure liquid, gas, or steam flow as well as liquid level, density, and pressure.
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YFGW410 Field Wireless Management Station
YFGW410 Field Wireless Management Station has system manager/security manager/gateway function based on ISA100.11a, and combining this with Field Wireless Access Point(YFGW510) and/or Field Wireless Media Converter(YFGW610) composes the field wireless system.
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YFGW520 Field Wireless Access Point
YFGW520 Field Wireless Access Poin has backbone router function based on ISA, and combining this with Field Wireless Management Station (YFGW410) and/or Field Wireless Media Converter (YFGW610) composes the field wireless system.
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YFGW710 Field Wireless Integrated Gateway
YFGW710 Field Wireless Integrated Gateway comply to the wireless communications standard ISA100.11a for industrial automation of International Society of Automation (ISA), and relays ISA100 Device data to the system via integrated backbone router. Single unit of YFGW710 has integrated functions of backbone router, system manager, security manage, and gateway.
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YTA510 Wireless Temperature Transmitter
The high performance temperature transmitter YTA510 accepts Thermocouple, RTD, ohms or DC mill volt inputs. The transmitters transmit not only process variables but also the setting parameters using wireless signal. The transmitters run on internal batteries, and the installation cost can be decreased since hard-wiring is not required. The communication is based on ISA100.11a protocol specifications.
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Field Wireless
Reduce infrastructure investment and increase plant operation insights.
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