TF Joint Testing Data Acquisition Special Test Equipment

1. TF Joint TestingData Acquisition Special Test Equipment Hans Schneider with Robert Marsala (609) 243-2017 hschneid@pppl.gov Engineering Operations April 2003

2. Resistance Measurement PlanPrototype & Insitu Joints • Mechanical Prototype Testing • Electrical Prototype Testing • Maintenance Insitu Testing • Commissioning Insitu Testing Hans Schneider Engineering Operations

3. Resistance Measurement PlanMechanical TF Joint Test System • Mechanical Prototype Testing • Cyclical Mechanical Loads Applied to Prototype Joint • Measure Joint Voltage Drop with 100 Amperes Applied • Voltage Measured at Two Joint Locations • Automated Test Stand Control & Data Acquisition Hans Schneider Engineering Operations

4. Resistance Measurement PlanMechanical TF Joint Test System • Mechanical Prototype Testing • Cyclical Mechanical Loads Applied to Prototype Joint • Measure Joint Voltage Drop with 100 Amperes Applied • Voltage Measured at Two Joint Locations • Automated Test Stand Control & Data Acquisition • Joint Voltage Drop Accuracy Factors • Limited by Cycle Time • Initial Investigation Indicates 0.5% Should be Possible • Cycle Dwells Could Increase Accuracy to 0.2% or Better Hans Schneider Engineering Operations

5. Resistance Measurement PlanElectrical TF Joint Test System • Electrical Prototype Testing • Cyclical Electrical Loads Applied to Prototype Joint • Measure Joint Voltage Drop with > 70,000 Amperes Applied • Voltage Measured at Up to Eight Joint Locations • Remote Control of Automated Data Acquisition System Hans Schneider Engineering Operations

6. Resistance Measurement PlanElectrical TF Joint Test System • Electrical Prototype Testing • Cyclical Electrical Loads Applied to Prototype Joint • Measure Joint Voltage Drop with > 70,000 Amperes Applied • Voltage Measured at Up to Eight Joint Locations • Remote Control of Automated Data Acquisition System • Joint Voltage Drop Accuracy Factors • TF Power Supply Current Measurement Accuracy • Magnetic Field Influences on Measurement Leads & System • Unknown Accuracy at This Time Hans Schneider Engineering Operations

7. Resistance Measurement PlanInsitu Maintenance Test System • Maintenance Insitu Testing • Permanent Test Cell Installation • Measure Joint Voltage Drop with +/-200 Amperes Applied • Each of 48 Joints Measured at One Joint Location • Automated Test Cell Data Acquisition System Hans Schneider Engineering Operations

8. Resistance Measurement PlanInsitu Maintenance Test System • Maintenance Insitu Testing • Permanent Test Cell Installation • Measure Joint Voltage Drop with +/-200 Amperes Applied • Each of 48 Joints Measured at One Joint Location • Automated Test Cell Data Acquisition System • Joint Voltage Drop Accuracy Factors • “Ambient” Electrical Noise & Long Joint Cable Leads • Combat with DC Current Reversal & Long Integration Times • Unknown Accuracy at This Time Hans Schneider Engineering Operations

9. Resistance Measurement PlanInsitu Commissioning Test System • Commissioning Insitu Testing • Utilizes Maintenance System Wiring • Measure Joint Voltage Drop with Up to 72,000 Amperes • Instrument One, Possibly Two TF Flag Joints • Data Collected via 908 or 3232 Transient Digitizer Hans Schneider Engineering Operations

10. Resistance Measurement PlanInsitu Commissioning Test System • Commissioning Insitu Testing • Utilizes Maintenance System Wiring • Measure Joint Voltage Drop with Up to 72,000 Amperes • Instrument One, Possibly Two TF Flag Joints • Data Collected via 908 or 3232 Transient Digitizer • Joint Voltage Drop Accuracy Factors • TF Power Supply Current Measurement Accuracy • Magnetic Field Influences on Measurement Leads & System • Unknown Accuracy at This Time Hans Schneider Engineering Operations

11. Resistance Measurement PlanPrototype & Insitu Joints • Mechanical Prototype Testing • Electrical Prototype Testing • Maintenance Insitu Testing • Commissioning Insitu Testing Hans Schneider Engineering Operations