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Change of Resistance Test Stand

Change of Resistance Test Stand. Project Members: Colin Payne-Rogers Jacob Lennox. Project Guide/Mentor: Dr. Benjamin Varela. Primary Customer: Joe Manahan. Sponsor: Cooper Crouse-Hinds. Project Description.

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Change of Resistance Test Stand

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  1. Change of Resistance Test Stand Project Members: Colin Payne-Rogers Jacob Lennox Project Guide/Mentor: Dr. Benjamin Varela Primary Customer: Joe Manahan Sponsor: Cooper Crouse-Hinds

  2. Project Description Project Goal: To Design/Build a prototype test stand to measure the temperature of a maximum of 6 coils using a linear regression 4-wire resistance method. Project Overview: The test stand will include but is not limited to a cart/apparatus, laptop with LabView, data acquisition hardware, control circuitry and switching hardware, power dissipation circuitry and hardware. The apparatus is intended to use LabView to allow the user to run the test with minimal intervention. The prototype will be tested at RIT at 120VAC due to safety concerns.

  3. Project Description

  4. Customer Specifications • Design and Build a Relay Circuit • Operation: 120-480VAC, 50-60Hz • Amphenol cable or similar connection • Controls electrical power for the operation • Select and Purchase a Digital Multimeter • Resolution: 0.01Ohms • Able to be calibrated • Select and Purchase a Data Acquisition System • Additional temperature measurement using thermocouple

  5. Customer Specifications • Write a LabView program for the test stand • Communicate with and control measurement hardware • Measure the resistance of a maximum of 6 coils • 40 readings every 30 seconds (one reading at a time) • Operator flexibility on coil selection (for measurements) • Plot Resistance versus Time for each coil • Make a Linear Regression of the data to calculate the temperature of the data at the beginning of the test • Store the data in up to 9 different portable format files • Operator input: time, date, coil material • Selectable functions: pre-run test, run auto-test, view results, print results, terminate • All of the components must be contained in a rolling enclosure • Test Stand must comply with UL 844

  6. Meeting Priorities Proof-of-Concept Experimental Design Experimental results Proposed prototype relay circuit design Bill of Materials Test Plan Inquire about laptop and LabView licensing

  7. Experimental Circuit Design

  8. Experimental Circuit Design

  9. Experimental Circuit Design

  10. Experimental Results

  11. Experimental Results

  12. Relay Circuit Design

  13. Bill of Materials

  14. Test Plan

  15. Timeline

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