A reduced scale naval DC microgrid to support electric ship research and development

Sudhoff, Scott D.; Pekarek, Steven; Swanson, Robert R.; Duppalli, Veda Samhitha; Horvath, D. C.; Kasha, Andrew; Lin, Ruiyang; Marquet, B. D.; O'Regan, P. R.; Suryanarayana, Harish; Yan, Yusong

doi:10.1109/ests.2015.7157911

Cited by 24 publications

(11 citation statements)

References 8 publications

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“…Fig. 10 depicts the experimentally measured response of the PRSNDCM system [14] to a fault at the Main Power Generation Module (MPGM). Waveforms shown include the port side DC bus voltage which is relatively undisturbed since the fault is on the starboard bus, the Auxiliary Power Generation Module (APGM) DC output current on the port bus which increases as it picks up shed load, the starboard bus voltage which was faulted, the MPGM DC output current, the MPGM synchronous machine currents, and one of the distribution level inverter modules output voltages which are undisturbed by the fault as the source power is picked up by the starboard bus.…”

Section: Results From Fault Clearing Experiementsmentioning

confidence: 99%

“…This is a particular challenge with short circuits. However, several alternative solutions for fault management in DC systems are either available or are being investigated by the research community at this time [13], [14], [15].…”

Section: E the Promise Of Mvdcmentioning

confidence: 99%

“…The system also includes a dedicated power ground bus separate from the facility ground except for a single point connection. A detailed description of the facility along with additional experimental results can be found in [14].…”

Section: E the Promise Of Mvdcmentioning

confidence: 99%

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Analysis of experimental rapid power transfer and fault performance in DC naval power systems

Steurer

Bosworth

Soto

et al. 2015

2015 IEEE Electric Ship Technologies Symposium (ESTS)

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This paper first puts the challenges from design constraints imposed by mission load requirements on future naval surface combatants into context. Moreover, it provides results from experiments at the three partner universities designed to de-risk emerging medium voltage DC (MVDC) technology based systems and to provide validated models for future systems studies. These experiments are carries out in three recently established test beds all designed for MVDC related work. The investigations specifically targeted two major areas of interest: fault management and rapid power transfer between loads and sources. The results obtained to date reveal valuable insight into both areas.

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Section: Results From Fault Clearing Experiementsmentioning

confidence: 99%

Section: E the Promise Of Mvdcmentioning

confidence: 99%

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Analysis of experimental rapid power transfer and fault performance in DC naval power systems

Steurer

Bosworth

Soto

et al. 2015

2015 IEEE Electric Ship Technologies Symposium (ESTS)

Self Cite

View full text Add to dashboard Cite

show abstract

“…However, when deriving equivalences between reduced-and full-scale (FS) prototypes, it has to be ensured that reduced-scale prototypes fully characterize the full-scale object [11]. In the electrical engineering area, reduced-scale modelling and testing has been applied in several applications including research in micro grids [13], overvoltage in power transformer windings [3], GIS (gas-insulated switchgear) [5], or the study of corona and breakdown conditions in high-voltage applications using test cages [11], [14], [15] , among others.…”

Section: Introductionmentioning

confidence: 99%

Feasibility analysis of reduced‐scale visual corona tests in high‐voltage laboratories

Abomailek

Riba

Torrens

2019

IET Generation, Transmission & Distribution

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Corona is a critical effect that must be considered during the design and optimization stages of high-voltage hardware such as substation connectors, since due to the harmful effects, corona threats power systems reliability. Visual corona tests allow detecting and identifying the critical corona points on the surface of substation connectors, so corrective actions can be applied for product optimization. This paper focuses on reduced-scale visual corona tests intended to verify and optimize the behaviour of such high-voltage hardware. Reduced-scale visual corona tests allow reducing the voltage to be applied, laboratory size, instrumentation requirements, assembly and test times, and finally the overall costs of the tests compared to standard corona tests carried out in large-size high-voltage laboratories. A hybrid approach combining experimental tests and finite element method (FEM) simulations is presented, which allows obtaining the equivalent visual corona onset voltage between reduced-scale and full-scale tests. Although the paper focuses on the analysis of aluminium substation connectors, the proposed approach can be applied to many other hardware intended for high-voltage applications.

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“…Downscale prototypes must completely characterize the full-scale object in a realistic manner in order to draw equivalences between the downscale prototype and the full scale object [8]. Reduced-scale tests have also been applied in the electrical engineering area in a wide range of applications, often related to the analysis of other phenomena, including microgrid research [13], grounding resistance calculations [14], overheat faults in gas-insulated switchgear [4], transient overvoltage distribution in power transformer windings [5], streaming currents distribution in large power transformers [15] or to perform breakdown tests in high-voltage applications [6], [8], among others.…”

Section: Introductionmentioning

confidence: 99%

Application of reduced scale tests to improve the thermal performance of high-voltage substation connectors

Abomailek

Riba

Torrens

2018

Experimental Heat Transfer

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The thermal behavior of high-voltage substation connectors is a critical aspect that must be considered during the design stage. Most research about the thermal performance of substation connector devices is based on full scale models. This paper proposes a downscaling method to evaluate the thermal performance of reduced scale substation connectors. The theoretical results attained in this paper were validated by means of FEM simulations and experimental tests. Reduced scale simulation and testing will be an essential tool for assessing the thermal performance of substation connectors and other electrical equipment during the design and validation stages.

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A reduced scale naval DC microgrid to support electric ship research and development

Cited by 24 publications

References 8 publications

Analysis of experimental rapid power transfer and fault performance in DC naval power systems

Analysis of experimental rapid power transfer and fault performance in DC naval power systems

Feasibility analysis of reduced‐scale visual corona tests in high‐voltage laboratories

Application of reduced scale tests to improve the thermal performance of high-voltage substation connectors

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