Power Electronics Engineer
CurrentPower Electronic converters:- Hardware simulation: Simulink, Plecs, Psim- Control: simulation in Simulink, hardware-in-the-loop, small scale test stand- Control improvement- IGBT modulation patterns- Topologies: 12-pulse diode rectifier, 12-pulses thyristor converter, 2-level IGBT inverter, 3-level NPC IGBT inverter- High power (>500kVA) test stand- Lifetime expectation of IGBTs- Converter cost reductionCoordination with different teams:- Electrical engineers- Mechanical engineers- PLC software engineers- Test engineersNotions of:- Pre-test before FAT- Earthing system, protection coordination- Small scale test stand: wiring, debugCustomer projects:- Standard compliance: grid harmonic, converter and transformer, railway for fixed installations, insulation coordination- Component selection: IGBT, thyristor, resistor, fuse, capacitor, current and voltage sensor, contactor, disconnector, circuit breaker- Specification: heastink, transformer, inductor, resistance- Calculation: harmonics, transients, power quality, losses, thermal behavior, short-circuit withstand, short-circuit current, sizing of power and earth busbar and cable- Passive filter- FAT, SAT- Clarifications for customer- CommissioningCustomer offers:- Technical solution based on client specification- Price estimation