Power electronics and drives

Services

• Complete research, development, testing, prototyping, and factory acceptance testing of power semiconductor components, converters, electrical machines, drives, and mechatronic systems
• Testing of electrical equipment up to 4 MW with waste heat dissipation capacity up to 500 kW
• Testing of internal combustion engine power units up to 500 kW
• Diagnostics of electrical motors and converters
• Testing and measurement of grid integration and the impact of electrical equipment on the power supply grid

Equipment

• Traction line voltage levels:
  • AC 25 kV / 50 / 60 Hz (max. 31.5 kV)
  • AC 15 kV / 16.7 Hz (max. 19 kV)
  • DC 600 V, 750 V (max. voltage up to 1,250 V)
  • DC 1.5 kV and 3 kV (max. voltage up to 5.5 kV)
• 3-phase fixed-voltage and fixed-frequency supply levels:
  • 22 kV / 50 Hz, 10 kV / 50 Hz, 6 kV / 50 Hz, 3 kV / 50 Hz, 690 V / 50 Hz, 400 V / 50 Hz
• Programmable power supplies:
  • AC 0–11.5 kV / 40–120 Hz, AC 0–690 V / 0–120 Hz
  • DC 0–15 kV
• Test bays: 2 high-voltage (HV) test bays; low-voltage (LV) test bays reconfigurable for up to 4 positions
• Load motors: Low-voltage and high-voltage load motors (ASM, PMSM)
• Measurement & Diagnostics: High-speed, high-precision measurement (sampling period of 50 μs)
• Thermal imaging: IR cameras with custom trigger configuration
• Torque measurement: Direct torque measurement on motors up to 20 kN
• Mobile instrumentation: State-of-the-art mobile instrumentation – oscilloscopes, power analyzers, data acquisition units, wattmeters, and more

Services

• Complete design of power semiconductor converters (topology, semiconductor component selection, gate driver circuits, control algorithms, electrical measurements)
• Modeling, simulation, and testing up to 31 kV / 4 MW
• Development of DC/DC converters, voltage-source and current-source frequency converters, high-voltage converters, etc.
• Next-generation power supply and charging systems (DC/DC, AC/DC), energy storage, and backup power supplies
• Wireless power transfer
• Parallel and series connection of converters
• Converter development using IGBT, IGCT, and MOSFET components
• Experimental development of converters with wide-bandgap and novel semiconductor devices (e.g., SiC, GaN)
• Sizing and dimensioning of power semiconductor converters
• Development of converters for specialized applications (e.g., active filters, earth-fault compensators, photovoltaic converters)
• Electromagnetic compatibility (EMC) of power semiconductor converters
• Consulting and advisory services in power semiconductor converters

Equipment

• Instrumentation & Equipment:
  • 8-channel ZIMMER LMG500 power analyzers
  • Tektronix MSO4104B and Tektronix MDO3034 oscilloscopes, including voltage and current probes
  • H&H ZSAC AC/DC electronic loads
• Software Tools:
  • Matlab, Simulink, PLECS, Dymola, dSPACE, LabVIEW, Code Composer Studio, SolidWorks
• Motor Test Rigs:
  • With induction motors (ASM): 4–15 kW at 1,500 rpm and 3,000 rpm
  • With wound-rotor synchronous motor (WRSM): 11 kW at 1,500 rpm
  • With permanent magnet synchronous motors (PMSM): 4–10 kW at 1,500 rpm and 3,000 rpm
  • With interior permanent magnet synchronous motor (IPMSM): 4.5 kW at 1,500 rpm
  • With reluctance synchronous motor (RSM): 11 kW at 1,500 rpm
  • With DC motors (DCM): 5.8 kW and 9.8 kW at 1,580 rpm and 1,470 rpm
• Power Converters for Test Beds and R&D:
  • SINAMICS S120 with AFE (Active Front End)
  • SINAMICS DCM 6RA80 (420 V, 60 A)
  • ABB ACS800 and ACS880 series converters (up to 300 kW)
  • Universal custom 3-phase and 4-phase converters
• Power Supplies:
  • DC power supplies: 0–800 V, 25 kW and 50 kW
  • Programmable AC+DC power sources: Ametek MX30 and CSW5500
  • Additional power supply equipment

Services

Equipment

• Instrumentation & Equipment:
• 8-channel ZIMMER LMG500 power analyzers
• Tektronix MSO4104B and Tektronix MDO3034 oscilloscopes, including voltage and current probes
• H&H ZSAC AC/DC electronic loads
• Software Tools:
• Matlab, Simulink, PLECS, Dymola, dSPACE, LabVIEW, Code Composer Studio, SolidWorks
• Motor Test Rigs:
• With induction motors (ASM): 4–15 kW at 1,500 rpm and 3,000 rpm
• With wound-rotor synchronous motor (WRSM): 11 kW at 1,500 rpm
• With permanent magnet synchronous motors (PMSM): 4–10 kW at 1,500 rpm and 3,000 rpm
• With interior permanent magnet synchronous motor (IPMSM): 4.5 kW at 1,500 rpm
• With reluctance synchronous motor (RSM): 11 kW at 1,500 rpm
• With DC motors (DCM): 5.8 kW and 9.8 kW at 1,580 rpm and 1,470 rpm
• Power Converters for Test Beds and R&D:
• SINAMICS S120 with AFE (Active Front End)
• SINAMICS DCM 6RA80 (420 V, 60 A)
• ABB ACS800 and ACS880 series converters (up to 300 kW)
• Universal custom 3-phase and 4-phase converters
• Power Supplies:
• DC power supplies: 0–800 V, 25 kW and 50 kW
• Programmable AC+DC power sources: Ametek MX30 and CSW5500
• Additional power supply equipment

(Hall Laboratory Services)

Services

• Complete design of drive systems for transport applications
• Complete design of power semiconductor converters for transport systems (topology, semiconductor component selection, gate driver circuits, control algorithms, electrical measurements)
• Complete design of control, electronic, and communication systems for transport equipment
• Modeling, simulation, and prototyping of control, electrical, and mechatronic systems for modern vehicles and transport systems (light and heavy traction, hybrid, and fully electric vehicles)
• Development, modeling, simulation, and testing up to 31 kV / 4 MW

Equipment

• Instrumentation & Equipment:
• 8-channel ZIMMER LMG500 power analyzers
• Tektronix MSO4104B and Tektronix MDO3034 oscilloscopes, including voltage and current probes
• H&H ZSAC AC/DC electronic loads
• Software Tools:
• Matlab, Simulink, PLECS, Dymola, dSPACE, LabVIEW, Code Composer Studio, SolidWorks
• Motor Test Rigs:
• With induction motors (ASM): 4–15 kW at 1,500 rpm and 3,000 rpm
• With wound-rotor synchronous motor (WRSM): 11 kW at 1,500 rpm
• With permanent magnet synchronous motors (PMSM): 4–10 kW at 1,500 rpm and 3,000 rpm
• With interior permanent magnet synchronous motor (IPMSM): 4.5 kW at 1,500 rpm
• With reluctance synchronous motor (RSM): 11 kW at 1,500 rpm
• With DC motors (DCM): 5.8 kW and 9.8 kW at 1,580 rpm and 1,470 rpm
• Power Converters for Test Beds and R&D:
• SINAMICS S120 with AFE (Active Front End)
• SINAMICS DCM 6RA80 (420 V, 60 A)
• ABB ACS800 and ACS880 series converters (up to 300 kW)
• Universal custom 3-phase and 4-phase converters
• Power Supplies:
• DC power supplies: 0–800 V, 25 kW and 50 kW
• Programmable AC+DC power sources: Ametek MX30 and CSW5500
• Additional power supply equipment

(Hall Laboratory Services)

Services

• Research and development of power electronic systems and components for distribution grids, particularly medium- and high-voltage (MV/HV) applications
• Power flow control in power grids
• Distribution grid protection, particularly next-generation earth-fault compensation devices for isolated and non-effectively grounded networks
• Power quality solutions (active power filters, reactive power compensators)
• Hybrid MV/HV apparatuses and switchgear
• Research and development of power electronic systems and components for auxiliary power systems in power and heating plants
• High-power electric drives and power converters
• Power semiconductor systems for renewable energy sources

Equipment

• Instrumentation & Equipment:
• 8-channel ZIMMER LMG500 power analyzers
• Tektronix MSO4104B and Tektronix MDO3034 oscilloscopes, including voltage and current probes
• H&H ZSAC AC/DC electronic loads
• Software Tools:
• Matlab, Simulink, PLECS, Dymola, dSPACE, LabVIEW, Code Composer Studio, SolidWorks
• Motor Test Rigs:
• With induction motors (ASM): 4–15 kW at 1,500 rpm and 3,000 rpm
• With wound-rotor synchronous motor (WRSM): 11 kW at 1,500 rpm
• With permanent magnet synchronous motors (PMSM): 4–10 kW at 1,500 rpm and 3,000 rpm
• With interior permanent magnet synchronous motor (IPMSM): 4.5 kW at 1,500 rpm
• With reluctance synchronous motor (RSM): 11 kW at 1,500 rpm
• With DC motors (DCM): 5.8 kW and 9.8 kW at 1,580 rpm and 1,470 rpm
• Power Converters for Test Beds and R&D:
• SINAMICS S120 with AFE (Active Front End)
• SINAMICS DCM 6RA80 (420 V, 60 A)
• ABB ACS800 and ACS880 series converters (up to 300 kW)
• Universal custom 3-phase and 4-phase converters
• Power Supplies:
• DC power supplies: 0–800 V, 25 kW and 50 kW
• Programmable AC+DC power sources: Ametek MX30 and CSW5500
• Additional power supply equipment

(Hall Laboratory Services)

Services

• Complete design of modern electromechanical systems – electromagnetic, thermal, and ventilation calculations verified using the finite element method (FEM)
• 2D and 3D modeling
• Physical field analysis and simulation using ANSYS software
• Type testing of electromechanical systems
• Measurement of torque, speed, operating characteristics, and load curves
• Efficiency measurement of electromechanical systems
• Transient state analysis of electromechanical systems
• Shaft and coupling alignment
• Measurement of static and dynamic torques
• Measurement of ultra-fast dynamic torques and torque pulsations within a single mechanical revolution
• Measurement of electrical quantities under steady-state and transient conditions
• Preparation of CAD drawings and technical documentation

Equipment

• Hardware Equipment:
• Synchronous generator: 3× 400 V; 36 A, 50 A, and 90 A
• DC generator (dynamo): 0–230 V; 58 A and 95.5 A
• DC generator (dynamo): 0–440 V; 68 A, 80 A, and 80 A
• Autotransformer: 3× (0–380 V), 45 A
• Induction regulators / booster transformers:
• 3× (30–600 V), 30 A
• 3× (40–600 V), 11 A
• Dynamometers: 500 W – 30 kW
• Torsional torque sensors: 10,000 rpm, 200 Nm
• Software Tools:
• ANSYS software suite
• Matlab
• SolidWorks

Services

• Research, development, and comprehensive testing (including end-to-end system testing) of equipment powered from the distribution grid
• Research, development, and comprehensive testing (including end-to-end system testing) of equipment powered by DC and AC traction systems
• Emulation of single-phase and three-phase power supply systems
• Higher harmonic measurements and harmonic analysis
• Grid fault and disturbance emulation (undervoltage, overvoltage, power outages, frequency variations, grid voltage imbalance, pantograph bounce/detachment, etc.)

Equipment

• Power Supply Systems:
• (Hall Laboratory Services)
• Additional Instrumentation:
  • Single-phase / three-phase output
  • Output frequency: 16.2–400 Hz
  • Phase voltage: 0–400 V, line-to-line voltage: 0–690 V
  • Output power: 30 kVA
  • Combined AC and DC output
  • Harmonic generation up to the 50th harmonic / custom user-defined waveforms
  • Constant power regulation capability at output terminals
  • Single-phase / three-phase output
  • Output frequency: 40–5,000 Hz
  • Phase voltage: 0–230 V, line-to-line voltage: 0–400 V
  • Output power: 5.5 kVA
  • Combined AC and DC output
  • Harmonic generation up to the 50th harmonic / custom user-defined waveforms
  • Constant power regulation capability at output terminals
• California Instruments MX30
• California Instruments CSW5550

Services

• Power rating of analyzed power supply systems: up to 1 kW
• Measurement of static and dynamic parameters of linear and switch-mode power supplies (SMPS)
• Measurement of charging and discharging characteristics of batteries (NiCd, NiMH, Lead-Acid/Pb, Li-ion, Li-poly, LiFePO4, RAM, etc.)
• Battery and accumulator testing and evaluation
• Design and simulation of electronic power supply and charging systems
• Design and construction of power supplies for industrial and consumer electronics
• Development and design of charging systems
• Circuit implementation and functional verification up to the functional prototype stage
• Testing of uninterruptible power supplies (UPS) and related converter technology
• Measurement, calculation, and analysis of power transformers
• Development and testing of power supplies for automotive electronics
• Development and testing of DC/AC and DC/DC converter technology

Equipment

• Benchtop Instrumentation:
• Agilent 34401A precision benchtop multimeters
• ESCORT 3146A precision benchtop multimeters
• FLUKE 8808A precision benchtop multimeter
• Tektronix TDS3032B oscilloscopes
• Agilent 54622 oscilloscopes with FFT modules
• Agilent MSO6454A oscilloscope
• Agilent 33250 programmable function/waveform generators
• HAMEG HM8115-2 power meters / wattmeters
• TESLA and TOPWARD 5030 precision LCR/RLC bridges
• INSTEK DC milliohm meter
• Power Supplies & Loads:
• ITECH IT8833 and IT8834 programmable power supplies
• STATRON DC power supplies: ±80 V / 5 A, 35 V / 24 A
• MANSON DPD3030 DC power supply
• ITECH 8512C and 8512B programmable electronic loads
• METREL MA4804 AC galvanically isolated power supplies
• Autotransformers and isolation transformers
• AC voltage stabilizer / mains stabilizer