IEEE Power & Energy Magazine - March/April 2015 - 35

fuel-based systems to withstand electrical surges
and faults
✔✔ the energy systems integration lab, which focuses on
renewable-based production and the efficient use of
hydrogen.
In addition, low- and medium-voltage outdoor test areas
permit testing at voltages of up to 600 V ac and 13.2 kV ac,
respectively. Major electrical lab equipment includes a
1.08-MVA bidirectional grid simulator, a 1.5-MW PV simulator, a 0.66-MW battery simulator, and a finely tunable, 1.5-MVA,
resistive-inductive-capacitive load bank. Also available are various inverters, battery systems, generators, ac and dc power supplies, load banks, transformers, and smart appliances. Several
power hardware-in-the-loop (HIL) computer systems provide the
ability to control the ac and dc sources dynamically and in real

RT
SIM

time to simulate electric system conditions as well as to simulate
articles under test in the context of larger distribution systems.
The facility has been used for remote power system
development, microgrid testing and development, battery
system testing and development, grid interconnection system testing, advanced distributed control development, and
system-level testing of various interconnected components.
Some of the advanced DER research at ESIF includes
advanced PV inverter characterization as well as the development, demonstration, and evaluation of draft certification
test procedures from IEC, IEEE, and UL for advanced DER
devices. As new standards and codes are developed for
DER interconnection, ESIF provides a place for manufacturers to evaluate new advanced functionality before largescale deployment.

Grid Emulation
(ac Sources)
0-480 V, 850 kVA

MV/LV
20/0.4 kV
1 MVA

Line Emulation 2

Line Emulation 1

Real-Time
Simulator

LV Bus 1
LV Bus 2

RLC Load 1 RLC Load 2

LV Bus 1
LV Bus 2
LV Bus 3

Line Emulation 3

Adjustable
Transformer

=

+
-

+
-

+
-

∼

EUT 3

+
-

EUT 2

Programmable
dc Sources
1,500 V, 1,500 A

∼

=

+
-

+
-

∼
=

EUT 4

RT
SIM

Environmental
Test Chamber
(-40..+ 100 °C 95% rH)

EUT 1

RT
SIM

∼
=

figure 6. The electrical layout of the test grids at AIT SmartEST (source: AIT). EUT = equipment under test.
march/april 2015

ieee power & energy magazine

35



Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - March/April 2015

IEEE Power & Energy Magazine - March/April 2015 - Cover1
IEEE Power & Energy Magazine - March/April 2015 - Cover2
IEEE Power & Energy Magazine - March/April 2015 - 1
IEEE Power & Energy Magazine - March/April 2015 - 2
IEEE Power & Energy Magazine - March/April 2015 - 3
IEEE Power & Energy Magazine - March/April 2015 - 4
IEEE Power & Energy Magazine - March/April 2015 - 5
IEEE Power & Energy Magazine - March/April 2015 - 6
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IEEE Power & Energy Magazine - March/April 2015 - 9
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IEEE Power & Energy Magazine - March/April 2015 - 82
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IEEE Power & Energy Magazine - March/April 2015 - 85
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IEEE Power & Energy Magazine - March/April 2015 - 91
IEEE Power & Energy Magazine - March/April 2015 - 92
IEEE Power & Energy Magazine - March/April 2015 - 93
IEEE Power & Energy Magazine - March/April 2015 - 94
IEEE Power & Energy Magazine - March/April 2015 - 95
IEEE Power & Energy Magazine - March/April 2015 - 96
IEEE Power & Energy Magazine - March/April 2015 - Cover3
IEEE Power & Energy Magazine - March/April 2015 - Cover4
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