Cabinet Cooling
The drive power of the high performance AC locomotive is provided by a traction current converter, which is installed in the main converter cabinet. The locomotive is also equipped with two independent auxiliary power converter cabinets. The auxiliary power converters supply power to the ancillary units such as cooling fan, water and oil pump, air conditioning unit, main compressor as well as battery chargers, heating units and other additional equipment. The auxiliary power converters are operated redundantly: one converter in normal operation and one in standby mode. With such a large number of connected loads, the fault-free operation of the locomotive largely depends on the function of the converters and the cabinets in which they are installed.
The temperature in the control cabinet rises the longer the converters are in operation. The cabinets are therefore equipped with an active air cooling system in order to remove the resulting heat. The air circulation must be monitored constantly in order to ensure that permanent cooling continues without interruption. The specialists building the locomotive went in search of a sensor solution that provided a steady output signal when the flow was constant, irrespective of any temperature changes. It also required a solution that could be installed in the restricted space of the converter cabinet without any problems.
Turck solution: Aligned fitting
Turck's M18 flow sensors for gaseous media proved to be the sensor solution that could meet all the locomotive manufacturer's requirements. The FCS-M18-LIX is a compact flow sensor in a cylindrical housing with a male thread that enables it to be mounted even in restricted spaces. Although the calorimetric measuring principle used here is susceptible to temperature changes, the Turck sensor compensates for this with its special sensor design and a so-called aligned fitting: The measuring resistor and the heatable measuring resistor have to be positioned parallel to the flow direction. The aligned fitting enables the full precision potential of the sensors to be used. If the sensor was incorrectly fitted, the heated air could also cause the measurement to be incorrectly interpreted as a change in flow. With aligned fitting on the other hand, the sensor cannot be affected by temperature changes of the passing air current.
Once the FCS-M18-LIX, specially designed for gaseous media, is correctly aligned, it now reliably monitors the flow with the electric locomotives in continuous operation – even when the temperature increases. The Turck sensor therefore also helps to keep the maintenance times of the locomotive to a minimum and to improve its efficiency. Turck's flow sensor also fulfills the second customer requirement on account of its compact design which combines sensor, probe and processing unit in a single housing. Sensors with a larger housing style or with separate processor units could not be installed in the conditions at hand.
- Automotive
- Motor Control with Condition Monitoring
- IP67 Hybrid Module Processes Safety Signals
- Decentralized monitoring of cooling stations
- Robot welding cells networked with Ethernet
- Monitoring the cooling circuit on welding clamps
- Flow monitoring in drum washers
- Sheet Metal Thickness Measurement
- Condition Monitoring of Motors as a Retrofit
- Cloud-based Level Monitoring
- Press Shop
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- Final Assembly
- Tier 1
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- Body Detection in Automobile Production
- Area Guarding for Robotic Cells
- Item-level Detection with UHF RFID
- Supply of cooling lubricant in machine tools
- Controlling hydraulic pressure in pressing plants
- Measuring process pressure on scissor lifts
- Automotive Welding Tip Inspection
- Manual Load Weld Cell
- Detecting Black Parts on Black Door Panel
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- Electric Vehicle Detection
- Vehicle Detection in a Self-Serve Car Wash
- Success Stories
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- Modular Conveyor System
- RFID and I/O modules for Safe Tool Changes
- RFID Guides AGV in Suspension Production
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- Chemical
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- Detection of Pigs
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- Easy Connection of Field Devices
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- Signal Separation with Interface Technology in the Control Cabinet
- Identification of Hose Connections
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- Monitoring of Quarter Turn Actuators
- Planning and Assembly of System Solutions
- Success Stories
- I/O System Excom Creates Space in the I&C Rooms
- Zone 2 and 22 RFID
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- Condition Monitoring of Control Cabinets
- Dough Height Inspection
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- Leading Edge Detection of Packages with a Thin, Flexible Edge
- Detection of Valve Position
- Container Check
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- Detection of Pipe Elbows
- Identification of Chocolate Moulds
- Detecting Refrigerated Breakfast Rolls on a Multi-Lane Conveyor
- Barcode Reading on Pallet
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- Track and Trace in Meat Production with RFID
- Contact-free Encoder in Potato Production
- UHF RFID in Food Distribution Center
- RFID for Chocolate production
- Distributed I/O for Food Equipment
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- RFID and Autoclaves
- IP67 Power Supplies for Conveyors
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- Identification in Food Product Storage
- Cap Orientation Verification
- Clear and Tipped Bottle Detection on Depalletizer
- Clear Plastic Bottle Detection
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- I/O Blocks Control Roller Conveyor Modules
- Container Check
- Fast Tag Detection at Warehouse Gates
- Item-level Detection with UHF RFID
- Loading Dock Occupancy Monitoring
- Preventive Maintenance on Conveyor Belts
- Wireless Forklift Signaling
- Detection of Transport Containers
- Level Detection in Vessels
- Identification of Cryovessels
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- Identification of Mobile Containers with Handheld Devices
- Identification of Food Containers
- Tier 1 – Bumper Identification
- Condition Monitoring in Storage Rooms
- Collision Protection on Reach Stackers
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- Decentralized Control Modules in Coldstore
- Speed Control via Radar Sensor QT50
- IP67 Power Supplies for Conveyors
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- RFID Solution for Warehouse
- RFID Guides AGV in Suspension Production
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- UHF RFID in Food Distribution Center
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- Distribution Lines for Field Sprayers
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- Determining the Boom Angle Position
- Material Flow Monitoring on a Combine Harvester
- Vehicle at Loading Dock
- Equipment Compartment Illumination on Fire Engines
- Wireless Forklift Signaling
- Two-Axis Tilt Measurement on a Combine Harvester
- Collision Protection on Reach Stackers
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- Selective Asparagus Harvester
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- RFID Guides AGV in Suspension Production
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- I/O for Dust Suppression
- Cabinet Cooling
- Quick Disconnect Connectivity
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- Exact Height Positioning
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- Identification of Printing Color Cartridges
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- Monitoring of Caps in Filling Lines
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- Identification of Test Bottles
- Level Monitoring of Ground Coffee
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- Clear Container Detection
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- Tube Positioning Using a Registration Mark
- Vertical Form Fill Seal Machine Solutions
- Pharma
- Decentralized Package Verification
- Automate Modular Skids
- Pharmaceutical Skids with Decentralized I/O Technology
- High-Speed Tablet Counting With DF-G2
- Ex Isolation in Modular Process Plants
- Control of Valve Interfaces
- Monitoring of Quarter Turn Actuators
- Detection of Pipe Elbows
- I.V. Bag Liquid Detection
- Remote Signal I/O
- Planning and Construction of Super Skids
- Easy Connection of Field Devices
- Liquid Level Monitoring
- Identification of Cryovessels
- Identification of Mobile Containers
- Identification of Mobile Containers with Handheld Devices
- Identification of Hose Connections for Precursors
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- Detection of Hard Disks
- Multiproduct Light-Guided Assembly Station
- LED Status Indication During Semiconductor Manufacturing
- Safeguarding Small Access Points
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