SIRIUS Power Converters Test of preseries converters Guillermo

SIRIUS Power Converters: Test of pre-series converters Guillermo Navarro Patrón

Qualification tests Received one converter of each type. • Qualification tests. • • • SIRIUS-4 P: IGBT failure event under investigation. Possible infant failure. • • Read functional test. Verify operation. Performance test. Production of SIRIUS-S ongoing according to plan. • • • Visual inspection – Completed on all converters. Functional test – Completed on all converters. Heat run test – Completed on all converters. Performance test – Completed on SIRIUS-S and SIRIUS-2 P. 25 units in production. First delivery mid October. Storage space has been prepared in building 250. Qualification test platform for series equipped in building 287. • Building temporary unavailable for construction. Available in October. 2

Current status in factory Sub-assembly of power converter parts room Assembly of power converters room 3

SIRIUS Power Converters: Tester for series reception Guillermo Navarro Patrón

Tester features § Flexibility. § One tool for all SIRIUS configurations. § Automation of test tasks. § No need for FGC 3 crate. § User friendly and intuitive. § To be operated by factory personnel. § Standard connections (BURNDY). § Tests performed automatically. § Safe. Low voltage operation. § Portable. 5

Tester features § Architecture 6

Hardware integration HMI + Interface connections PXI Interface board Power source output 7

Hardware integration § PXI-8108: Controller. Enhanced with 4 GB RAM and 128 GB SSD. § PXI-4110: Power supply powering Interface board. Controlled from Test. Stand. § PXI-6509: Digital I/O. Controlled from Lab. VIEW. § PXI-6225: Analog I/O. Controlled from Lab. VIEW. § Interface board § Precharge relay control checked. § MCB manual operation checked. § IGBTs control checked. § Correct data acquisition checked. § Power source § Controlled with Lab. VIEW and Test. Stand. 8

Test implementation § Test. Stand: § Sequence manager. § Synchronization of Lab. VIEW VI’s. § Creation of results report. § GUI execution. § Lab. VIEW: § Execution of steps/instructions. § Monitoring variables. § Activating digital inputs. § Communication with Test. Stand. 9

Test implementation Lab. VIEW: Interface board § Data acquisition. § Data representation. § Filtering noise. Digital outputs command § PWM generation. Analog signals readout § Commanding switches. § Sending data and commands to Test. Stand. Digital inputs status readout Single PWM Generation Full H-Bridge PWM Generation 10

Test implementation Lab. VIEW: Power source control § Initialising source. § Configure output protection. Output activation § Configure phase mode output. Power source initialisation § Set voltage and current limits. § Output protection configuration 10 V and 0. 1 A § Output activation. § Output values Current level setup measurement. Output Voltage Mode Three/Single-phase configuration 11

Test implementation Test. Stand Main sequence: · Main configuration · Calls every test. · Clean up. · Main GUI call Test sequences: · One per test. · Calls every VI. · Test GUI. 12

Test execution Tests performed § § § 100. 000 - Digital interlocks 100. 001 - MCB operation 100. 002 - Boost Switch 100. 003 - Fast Discharge Switch 100. 004 - DC Link charge 100. 005 - HB 11 and HB 22 switches 100. 006 - HB 12 and HB 21 switches 100. 007 - Crowbar operation 100. 008 - Filter damping 100. 009 - DCCTs operation 100. 010 - Earth detection 13

Test execution Report § Test responsible operator information. § Date and time. § Total execution time. § Pass/Faill status of the whole sequence. § Actions/Steps executed and done. § Steps individual time. § Pass/Fail status of every test. § Measurement values. § Waveforms display. 14

Conclusion. § Current status § Hardware tested and fully verified with SIRIUS converters § Software implementation: § § § Sequences for testing digital interlocks implemented and verified. Sequences for testing DC-Link Precharge implemented and verified. Sequences for testing H-Bridge implemented and verified. Debugging minor errors. What’s next? § Compact even more the platform for easier transport and operation: § Trip to Electrotel (Romania): § § Training of the responsible personnel of testing. Start testing first batch of SIRIUS-S power converters. § Coordination and documentation of the qualification tests at CERN. 15