SKAI 2 HV - Ultra Compact Converter for Electrified Utility Vehicles - SEMIKRON
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Ultra Compact Converter for Electrified Utility Vehicles SKAI 2 HV ® 100kVA up to 300kVA
SKAI® 2 HV
SKAI 2 HV comprises a versatile 3-phase AC/DC and DC/AC converter product platform
designed for use in electrified vehicles. It covers key requirements such as high power
density, exceptional ruggedness and automotive EMI compliance. The integrated motor
control software SKAIware ensures highly efficient operation of the electric drive train.
Benefits
The SKAI 2 HV power electronic platform – now in its 2nd gene- “junction temperature increase” can be influenced as needed
ration – comprises highly integrated converters which provide and challenging operating conditions managed. Depending on
the ideal powertrain solution for electric and hybrid electric the software parameterisation it is possible to limit the junction
vehicle applications. Power densities of up to 25kVA / litre bring temperature by derating instantaneous power losses in real
about a notable size reduction compared with other availa- time. In principle this can be achieved by reducing the actual
ble standard converter products. The products are designed output current or the switching frequency. The vehicle might
to operate with supply voltages of 120V up to 800V (optional slightly derate its actual performance as a result but it will not
850V) and with output power ratings of up to 300kVA. Thanks stop operating. By incorporating the intelligent control feature,
to the elaborate power interface design, all the SKAI 2 HV the drivetrain performance is more rugged and the expected
connections are on the narrow converter front side, reducing service life can be guaranteed.
assembly space requirements as well as the installation requi-
rements within the vehicle. Applications
The SKAI 2 HV ”Off-the-Shelf“ converter family has been intro-
The IGBT-based SKAI 2 HV converter operates on sintered 100% duced to cover a broad range of vehicle electrification applica-
solder-free 600V or 1200V power semiconductors and tions. Examples are electric drivetrains with standardised motor/
features polypropylene film DC-link capacitors. The DSP-based generator flanges for easy integration into existing vehicle de-
controller includes gate driver electronics, as well as current, signs. These types of drivetrains have been developed for many
voltage and temperature sensors, and is integrated in a water- vehicle types , i.e. buses, lightweight trucks, agriculture and
proof IP67 enclosure. The compact inverters withstand high construction machinery as well as marine applications or cars.
vibration amplitudes of up to 10g rms. The embedded
SKAIware motor control software adds functionality to the Product range
system and completes this tried-and-tested package. The liquid cooled SKAI 2 HV is available with 600V or 1200V
power semiconductors. Depending on the application setup, the
Coupled with the motor control software SKAIware, the SKAI 2 HV superior vehicle controller can interface to SKAI 2 HV via CAN-
monitors the individual power semiconductor junction tempe- bus based speed or torque control commands or, alternatively,
ratures in real-time. In this way, the fatigue parameter with power semiconductor switching commands.
Key features
Optimised control of permanent magnet synchronous, High power density
AC induction and brushless DC motors or generators High power cycling and temperature cycling capability thanks to
Torque and speed control mode sintered power semiconductors
Field weakening control and derating function EMI compliant in accordance with UNECE R10
Gate drive interface (optional) Additional engineering services on request
IP67 enclosure
SEMIKRON
Configurable Converter Platform for E-Mobility
Versatile „off the shelf“ versions
With integrated controller (CAN interface) Optional SKAIware
customer software motor control software
- Full converter with generic drive control software SKAIware
- Full converter ready to run with customer specific drive
software
SKAI2 HV version with controller board
With integrated gate driver (switching signal interface)
SKAI2 HV version with gate driver board
- Converter with gate driver, protection functions, current,
SKAI2 HV power section
DC-voltage, temperature sensing (IGBT + DCbusCap + I-,U-,T-sense + enclosure)
Optional services available:
- End-of-line flashing of customer specific software
- Individual parameterisation of motor control software
Electric motor Battery
Versatile interfaces for signal and power Aux. power CAN comm., external I/O IP 67 enclosure
For motor position sensors
- Resolver
DSP controller
- Sin/Cos encoder Motor control software
- Optionally incremental encoder
Power supply Gate driver Protection
For motor temperature sensors DC+
- KTYx/YBBxxx/PTxx/NTCxx Current
Voltage
Temperature
Multi-purpose I/O lines V
T T T
AC
- 2 x digital in/out, 2 x analog in DC link I
I -1
-2
capacitor I -3
Flexible power connections
- Cable glands 35mm2-70mm2 optional power DC -
connectors for process-safe assembly
- Optional two DC lines for power distribution
Heat sink
All connections at narrow inverter front end
Water inlet Water outlet
Fast drive commissioning
PC based configuration tool features ECU / VCU Configuration Tool
CAN bus
- ECU/VCU simulation
- Operating values displayed in real-time
- Variable visualisation and recording with the
integrated scope function DC link
- Configuration via parameter sets
- CAN logger for supervising and data logging
- Automated position sensor offset calibration
Additional engineering services on request
Electric Motor
Sensors I/0
SKAI 2 HV product portfolio
600V IGBT 1200V IGBT
SKAI 90 A2 GD06-xQ | with motor control software SKAIware SKAI 45 A2 GD12-xQ | with motor control software SKAIware
SKAI 90 A2 GD06-xC | with controller SKAI 45 A2 GD12-xC | with controller
SKAI 45 A2 GD12-xD | with gate driver
SEMIKRONNote: All information is based on our present knowledge and is to be used for information purposes only. The specifications of our components may not be considered as an assurance of component characteristics.
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SEMIKRON INTERNATIONAL GmbH
Sigmundstrasse 200
90431 Nuremberg, Germany
Tel: +49 911 6559 6663
05/2019
Fax: +49 911 6559 262
sales@semikron.com
www.semikron.com
11 29 15 00
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