Helping you #Make Sense of Sensors
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ENERGY GENERATION APPLICATIONS Power generation applications require robustness and longevity with offshore wind turbines being an extreme example of this and an area where Contrinex’s sensors are trusted.
POWER & ALTERNATIVE ENERGY APPLICATIONS
Pressurised-water reactors, operating at a Swiss nuclear power-plant, utilise fuel rods containing radioactive material to produce energy. During operation, bundles of rods are immersed in water until a purpose-built grab removes them when the fuel is spent. Contrinex all- metal inductive sensors detect the presence of a bundle in the grab and confirm that the grab is closed before lifting commences. CUSTOMER APPLICATION In a nuclear power-plant, the reactor core is built from fuel bundles, each containing 200 to 300 fuel rods. The core is immersed in water, which serves both as a coolant and to transfer energy to generating turbines. Core temperatures can exceed 300°C (572°F). Periodically, individual bundles are removed when all the fuel rods are spent. A specially adapted crane, fitted with a CNC X-Y controller, positions a purpose-built grab directly over the bundle to be moved. The grab is lowered into the water and grips the top of the bundle, which is then lifted out of the core. Two sensors, suitable for the hazardous and hostile environment, are required; one detects the presence of the bundle in the grab, initiating closure; the second senses the position of the grab, allowing lifting only after complete closure. Maintenance occurs only at 18- to 24- month intervals; consequently, exceptional reliability is essential.
Customer Solution Contrinex Extreme inductive sensors from the Full Inox family are designed for exceptionally demanding environments and ideal for this application. Constructed from single pieces of V2A/AISI 303 stainless steel with integral M12 connectors, IP68- and IP69K-rated Extreme sensors are pressure-resistant to 80 bar (1160 psi), corrosion-resistant and impervious to water ingress. These M12-diameter embeddable sensors are only 60mm long with a 6mm sensing distance and are mounted directly in the structure of the grab. They are lightweight and function exceptionally reliably without compromising the correct operation of the grab. Vacuum-encapsulated electronics ensure excellent resistance to shock and vibration, and no additional electrical or mechanical protection is required. The sensors are configured with an industry-standard PNP normally- closed interface, and connection to the customer’s control system is via a flexible PUR-sheathed cable. The M12 connector allows easy disconnection and removal when required. Access to the sensors is only possible at 18- to 24-month intervals during scheduled maintenance. Because exceptional reliability is required, double redundancy allows for premature sensor failure. Four sensors are fitted to each grab, with two identical sensors operating at each sensing point. In the unlikely event that a failure occurs, normal operation is unaffected.
APPLICATION - RELIABLE DETECTION IN NUCLEAR REACTOR CORE
APPLICATION - WIND TURBINE BLADE ROTATION VELOCITY MEASUREMENT
Modern wind turbines operate continuously in remote, highly demanding environments. Exceptional reliability is essential as opportunities for maintenance are limited. Turbine rotation velocity is a key operating parameter and manufacturers require robust sensor systems that provide accurate measurement in real-time. Contrinex’s rugged inductive sensors provide presence-sensing systems which withstand harsh exposed conditions, both onshore and offshore, while delivering the required accuracy and reliability. CUSTOMER APPLICATION A manufacturer of wind turbines provides engineering support for systems installed around the globe. The company’s field-service capability is backed by 24-hour remote data monitoring, allowing early detection of potential problems. Given the remote location of most wind farms, monitoring systems must be exceptionally reliable, as site attendance is infrequent. Turbine rotation velocity is a key operating parameter, and the company requires robust sensor systems that provide accurate data in real-time. Traditional rotary-encoder technology is unsuitable as sensors do not withstand prolonged exposure to outdoor, often salt- laden, environments. In addition, turbine rotation speeds are relatively low, typically requiring more complex mechanical encoders. The company requires a simple, contactless system that provides fit- and-forget operation with extended maintenance intervals. Sensors must be mechanically robust and must withstand prolonged exposure to harsh outdoor conditions including seawater. An industry-standard interface is highly desirable to avoid the need for specialised control systems.
Customer Solution Rugged Full Inox inductive sensors from the Contrinex Extreme range are ideal for this application. Highly reliable and rated to IP68 or IP69K, these units provide a cost-effective alternative to tradition rotary-encoder technology. A one-piece M18-diameter AISI 304 (V2A) stainless-steel body and vacuum-encapsulated electronics make this device particularly suitable for the hostile environment, and the sensing distance of 10 mm allows fully contactless operation.
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CUSTOMER VALUES • Ultra-reliable, repeatable sensing performance in highly demanding conditions • Operation in hazardous, hostile environment including water immersion • Extreme reliability allowing extended maintenance intervals
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PRODUCT ADVANTAGES • Single-piece V2A/AISI 303 stainless-steel construction • Lightweight, hermetically sealed embeddable sensors • Patented Condet® technology ensures best- in-class sensing distances
A single sensor is mounted in each turbine head, immediately adjacent to the main mounting ring for the blade assembly. As the blades rotate, so does the mounting ring, and the sensor detects the presence of each mounting bolt as it passes the sensing face. The angular spacing of the bolts is known. Measuring the time that elapses between successive signals thus allows the rotation velocity of the blades to be calculated. The sensor is configured with an industry-standard PNP normally-open interface, and connection to the turbine’s control systems is via an integral M12 connector and PUR-sheathed cable. This allows easy removal and replacement during routine maintenance. The sensor is corrosion-resistant and impervious to water ingress. Reliability has been excellent. Contrinex inductive sensors deliver a cost-effective solution that satisfies the customer’s requirements for a simple, fit-and- forget system. .
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CUSTOMER VALUES • Simple sensor system providing contactless operation • Robust construction withstands corrosion and water ingress • Exceptionally reliable, fit-and-forget operation in a remote, harsh environment
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PRODUCT ADVANTAGES • One-piece AISI 304 (V2A) stainless-steel body • State-of-the-art ASIC technology ensures exceptional in-service reliability10 mm sensing range available in physically small sensor • Excellent resistance to extreme operating conditions
PLUS Automation ® Limited © 2020 Lyth Farm, Lyth Lane, Ombersley, Droitwich, Worcestershire. WR9 0LG
Helping you #MakeSenseofSensors
ENERGY GENERATION APPLICATIONS Power generation applications require robustness and longevity with offshore wind turbines being an extreme example of this and an area where Contrinex’s sensors are trusted.
APPLICATION - RELIABLE DETECTION IN NUCLEAR REACTOR
Customer Solution Contrinex Extreme inductive sensors from the Full Inox family are designed for exceptionally demanding environments and ideal for this application. Constructed from single pieces of V2A/AISI 303 stainless steel with integral M12 connectors, IP68- and IP69K-rated Extreme sensors are pressure-resistant to 80 bar (1160 psi), corrosion-resistant and impervious to water ingress. These M12-diameter embeddable sensors are only 60mm long with a 6mm sensing distance and are mounted directly in the structure of the grab. They are lightweight and function exceptionally reliably without compromising the correct operation of the grab. Vacuum-encapsulated electronics ensure excellent resistance to shock and vibration, and no additional electrical or mechanical protection is required. The sensors are configured with an industry-standard PNP normally-closed interface, and connection to the customer’s control system is via a flexible PUR-sheathed cable. The M12 connector allows easy disconnection and removal when required. Access to the sensors is only possible at 18- to 24-month intervals during scheduled maintenance. Because exceptional reliability is required, double redundancy allows for premature sensor failure. Four sensors are fitted to each grab, with two identical sensors operating at each sensing point. In the unlikely event that a failure occurs, normal operation is unaffected.
Pressurised-water reactors, operating at a Swiss nuclear power-plant, utilise fuel rods containing radioactive material to produce energy. During operation, bundles of rods are immersed in water until a purpose-built grab removes them when the fuel is spent. Contrinex all-metal inductive sensors detect the presence of a bundle in the grab and confirm that the grab is closed before lifting commences. CUSTOMER APPLICATION In a nuclear power-plant, the reactor core is built from fuel bundles, each containing 200 to 300 fuel rods. The core is immersed in water, which serves both as a coolant and to transfer energy to generating turbines. Core temperatures can exceed 300°C (572°F). Periodically, individual bundles are removed when all the fuel rods are spent. A specially adapted crane, fitted with a CNC X-Y controller, positions a purpose-built grab directly over the bundle to be moved. The grab is lowered into the water and grips the top of the bundle, which is then lifted out of the core. Two sensors, suitable for the hazardous and hostile environment, are required; one detects the presence of the bundle in the grab, initiating closure; the second senses the position of the grab, allowing lifting only after complete closure. Maintenance occurs only at 18- to 24-month intervals; consequently, exceptional reliability is essential.
Application - Wind Turbine Blade Velocity Measurement
Modern wind turbines operate continuously in remote, highly demanding environments. Exceptional reliability is essential as opportunities for maintenance are limited. Turbine rotation velocity is a key operating parameter and manufacturers require robust sensor systems that provide accurate measurement in real-time. Contrinex’s rugged inductive sensors provide presence-sensing systems which withstand harsh exposed conditions, both onshore and offshore, while delivering the required accuracy and reliability. CUSTOMER APPLICATION A manufacturer of wind turbines provides engineering support for systems installed around the globe. The company’s field-service capability is backed by 24-hour remote data monitoring, allowing early detection of potential problems. Given the remote location of most wind farms, monitoring systems must be exceptionally reliable, as site attendance is infrequent. Turbine rotation velocity is a key operating parameter, and the company requires robust sensor systems that provide accurate data in real-time. Traditional rotary-encoder technology is unsuitable as sensors do not withstand prolonged exposure to outdoor, often salt-laden, environments. In addition, turbine rotation speeds are relatively low, typically requiring more complex mechanical encoders. The company requires a simple, contactless system that provides fit-and-forget operation with extended maintenance intervals. Sensors must be mechanically robust and must withstand prolonged exposure to harsh outdoor conditions including seawater. An industry-standard interface is highly desirable to avoid the need for specialised control systems.
Customer Solution Rugged Full Inox inductive sensors from the Contrinex Extreme range are ideal for this application. Highly reliable and rated to IP68 or IP69K, these units provide a cost- effective alternative to tradition rotary-encoder technology. A one-piece M18-diameter AISI 304 (V2A) stainless-steel body and vacuum-encapsulated electronics make this device particularly suitable for the hostile environment, and the sensing distance of 10 mm allows fully contactless operation.
FIND OUT MORE - HERE ARE SOME SUGGESTIONS:
+ CUSTOMER VALUES • Simple sensor system providing contactless operation • Robust construction withstands corrosion and water ingress • Exceptionally reliable, fit-and-forget operation in a remote, harsh environment PRODUCT ADVANTAGES • One-piece AISI 304 (V2A) stainless-steel body • State-of-the-art ASIC technology ensures exceptional in-service reliability10 mm sensing range available in physically small sensor • Excellent resistance to extreme operating conditions + + CUSTOMER VALUES • Ultra-reliable, repeatable sensing performance in highly demanding conditions • Operation in hazardous, hostile environment including water immersion • Extreme reliability allowing extended maintenance intervals PRODUCT ADVANTAGES • Single-piece V2A/AISI 303 stainless-steel construction • Lightweight, hermetically sealed embeddable sensors • Patented Condet® technology ensures best-in-class sensing distances +
A single sensor is mounted in each turbine head, immediately adjacent to the main mounting ring for the blade assembly. As the blades rotate, so does the mounting ring, and the sensor detects the presence of each mounting bolt as it passes the sensing face. The angular spacing of the bolts is known. Measuring the time that elapses between successive signals thus allows the rotation velocity of the blades to be calculated. The sensor is configured with an industry-standard PNP normally-open interface, and connection to the turbine’s control systems is via an integral M12 connector and PUR-sheathed cable. This allows easy removal and replacement during routine maintenance. The sensor is corrosion-resistant and impervious to water ingress. Reliability has been excellent. Contrinex inductive sensors deliver a cost-effective solution that satisfies the customer’s requirements for a simple, fit-and-forget system.
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