IEEE Power Electronics Magazine - September 2020 - 55

MathWorks
Modeling

Texas Instrument
Code Composer Studio

MATLAB
Target for TI C2000
Link to TI CCS

Embedded
Coder

ANSI/ISO
C/C++ Code
Compile
and Link

Simulink

.out file
Host GUI

SYNDEM Smart Grid
Research and Educational Kit

Download

RS485 Communication

FIG 3 Automatic code generation for the Kit.

temperature signals from the power board, 22-channel
power circuit with banana wires into different power elec12-bit analog-to-digital (ADC) inputs, 12-channel PWM outtronic converter topologies. There are two dc-bus 470 µF
puts, 4-channel 12-bit DAC outputs, 4 switches, 4 program450 V capacitors, C76 and C77, which can be configured
mable LEDs, SPI, RS485 and CAN interfaces, and protection
in series or in parallel to meet the requirement of the voltcircuits. Up to two power boards can be connected to one
age rating or the capacitance. There are three sets of LC
control board. Any internal signals can be sent out through
filters with inductors L1, L2, and L3 and capacitors C78,
the DAC outputs for monitoring on an oscilloscope, saving
C79, C80, with one set connected to the output of the IGBT
the need of using expensive differential probes. While the
module directly and the other two sets reconfigurable.
Kit is designed for power electronic applications, it can be
Moreover, inductor L2 and capacitor C78 can be placed
adopted for general control systems as well.
freely. A relay is included to facilitate grid connection. All
the inductor currents and capacitor voltages, as well as the
dc-bus current and voltage, are measured and sent to the
control board. In addition, two voltages on the grid side are
measured to facilitate grid connection. The power board
Voltage, Current
Control
PWM
is also equipped with ac fuses F2, F3, and F4, dc fuse F1,
and Temperature
Algorithms
Channels
Measurements
NTC thermistors VR1, VR2, and VR3 for protection and a
pre-charging resistor R61 for the pre-charging of capaciVoltage, Current
tors. The power board is also equipped with a standalone
DAC
and Temperature
Communication
1600 V 35 A three-phase diode bridge with a 470 µF 450 V
Protections
capacitor, making it possible to power the dc bus from an
external ac grid.
The power board can be easily reconfigured to obtain
FIG 4 Template for software codes.
different topologies, such as dc-dc converters (including buck, boost, and buckboost converters), PWM-controlled recOscilloscope
tifiers (single-phase and three-phase),
RS485
inverters (single-phase and three-phase),
i -converters, Beijing conver ters, dcdc-ac converters, ac-dc-ac back-to-back
PC
PMSM
converters (single-phase and three-phase),
dc Source
and more. It can be used for islanded operLoads
ation or grid-tied operation. Multiple kits
dc Generator
can be used to build up microgrids.
The control board includes a TI C2000
TMS320F28335 ControlCARD, signal conditioning circuits for analog voltage/current/ FIG 5 AC motor drive for a PMSM system based on the Kit.
September 2020

z IEEE POWER ELECTRONICS MAGAZINE

IEEE Power Electronics Magazine - September 2020

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