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A Medium Voltage Testbed for the Performance and Function Tests of a 13.8 kV Power Conditioning System Converter

Conference · · 2022 IEEE Applied Power Electronics Conference and Exposition (APEC)
 [1];  [2];  [2];  [2];  [2]
  1. University of Tennessee,Department of Electrical Engineering and Computer Science,Knoxville,TN,USA; University of Tennessee
  2. University of Tennessee,Department of Electrical Engineering and Computer Science,Knoxville,TN,USA
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Medium voltage SiC devices facilitate the development of medium voltage grid-connected power electronics converters. However, it is difficult to test these converters directly on the real medium voltage grid, especially considering abnormal grid conditions, such as grid voltage and frequency variation, and different converter operation modes, such as grid-connected mode and islanded mode. This paper introduces the design and implementation of a medium voltage testbed, which supports tests of medium voltage converters in both grid-connected and islanded mode tests. In the grid-connected mode, the testbed can provide up to 13.8 kV grid voltage, can support the four-quadrant operation, and can emulate different grid conditions, such as voltage and frequency variation. In the islanded mode, the converter under test works as a voltage source and the testbed emulates a three-phase balanced or unbalanced load. Experiment test results are provided to validate the design and capability of the testbed.
Research Organization:
University of Tennessee
Sponsoring Organization:
U.S. Department of Energy
DOE Contract Number:
EE0008410
OSTI ID:
1987946
Report Number(s):
DOE-UTK-08410-13
Conference Information:
Journal Name: 2022 IEEE Applied Power Electronics Conference and Exposition (APEC)
Country of Publication:
United States
Language:
English

References (10)

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Design and Demonstration of a 3.6-kV–120-V/10-kVA Solid-State Transformer for Smart Grid Application journal August 2014
Multifunctional Megawatt-Scale Medium Voltage DC Test Bed Based on Modular Multilevel Converter Technology journal December 2016
A Novel Voltage Balancing Control With dv/dt Reduction for 10-kV SiC MOSFET-Based Medium Voltage Modular Multilevel Converter journal November 2020
Design and Implementation of High Efficiency Control Scheme of Dual Active Bridge Based 10 kV/1 MW Solid State Transformer for PV Application journal May 2019
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Power Electronic Traction Transformer—Medium Voltage Prototype journal July 2014
Modeling and Control of Three-Level Boost Rectifier Based Medium-Voltage Solid-State Transformer for DC Fast Charger Application journal December 2019

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