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Sunday, July 26, 2020 | History

3 edition of LEO high voltage solar array arcing response model found in the catalog.

LEO high voltage solar array arcing response model

Roger N Metz

LEO high voltage solar array arcing response model

interim report - February, 1987

by Roger N Metz

  • 172 Want to read
  • 32 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, D.C, Springfield, Va .
Written in English


Edition Notes

StatementRoger N. Metz
SeriesNASA contractor report -- NASA CR-180073
ContributionsUnited States. National Aeronautics and Space Administration
The Physical Object
FormatMicroform
Pagination1 v
ID Numbers
Open LibraryOL14982963M

Arcing (2): At high electric fields (due to high voltage), corona discharges occur and battery state of charge as outputs. The solar array model current-voltage curve is based on data provided by the manufacturer. The battery model determines current, voltage and power during both charge and discharge cycles. and the response to load. @article{osti_, title = {Computer modeling of high-voltage solar array experiment using the NASCAP/LEO (NASA Charging Analyzer Program/Low Earth Orbit) computer code. Master's thesis}, author = {Reichl, K.O.}, abstractNote = {This thesis predicted interactions between the Interactions Measurement Payload for Shuttle (IMPS) flight experiment and the low-earth-orbit plasma environment.

The Low Voltage Solar Array is a block added by CompactSolars that is an upgrade from the regular Solar generates power at a rate equivalent to the Advanced Solar Panel provided that the sky is visible, although it does not have any internal storage and also outputs its power at a rate of 8 EU/p as opposed to the Advanced Solar Panel's packet size of 32 EU/ Mod: CompactSolars. High-Voltage Solar Inverter DC-AC Kit VieriXue ABSTRACT Inverters have gained a lot of attention in recent years, especially solar inverters. The solar inverter has solar energy input that feeds energy into the grid, therefore, grid-tie technology and protection are the key points when designing a solar File Size: 2MB.

derivation of cell capacitance and resistance to model solar cell. Voltage rise Fig 4. Voltage transient response A method for finding solar array capacitance is discussed in [5] considering the voltage rise across the switch where cable inductance which also contributes for the voltage rise as shown in Fig 5 File Size: KB. An unavoidable step in the process of space exploration is to use high-power, very large spacecraft launched into Earth orbit. Obviously, the spacecraft will.


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LEO high voltage solar array arcing response model by Roger N Metz Download PDF EPUB FB2

LEO High Voltage Solar Array Arcing Response Model Interim Report NAG Continuation V - April, Roger N. Metz Dept.

of Physics and Astronomy Colby College Waterville, Maine I. Introduction Mathematical modeling of the interactions of large, high- voltage solar arrays with the space plasma in Low Earth Orbit (LEO) has been conducted by the P.I.

since Author: Roger N. Metz. LEO high voltage solar array arcing response model, continuation 5 Metz, Roger N. Abstract. The modeling of the Debye Approximation electron sheaths in the edge and strip geometries was completed. Numerical models for the Child-Langmuir, high-voltage electron sheaths in the edge and strip geometries were constructed.

Electrostatic Author: Roger N. Metz. a 0 e a a a LEO Hi qh Uol tage Solar Array Arcing Response Plodel Interim Report - February, NAG Roger N.

Metz Dep t. of Phrsi cs. and Astronomy Col by Col 1 ege Watervi 1 le, kine LEO high voltage solar array arcing response model: Authors: Metz, Roger N. Affiliation: AA(Colby Coll., Waterville, ME.) models were developed that describe the electrical behavior of a large solar cell array floating electrically in the low Earth orbit (LEO) space plasma and struck by an arc at a point of negative bias.

conductance. LEO Spacecraft Charging and Discharging Induced by High Voltage Solar Arrays Jianguo H1*, Liu Guoqing 2 and Jiang Lixiang 1Beijing Institute of Spacecraft Environment Engineering, BeijingChina 2Science and Technology on Reliability and Environmental Engineering Laboratory, China Ion saturation Electron saturation I U 90% Structure.

When operating at high negative voltages, however, arcing may occur on the solar cells. In this work, a model of the arcing process developed by Cho and Hastings was refined to be more physically.

It is often said that only the solar array or spacecraft surfaces that can be reached by an arc plume are discharged in a solar array arc in LEO (low Earth orbit). We present definitive results from ground test experiments done in the National Plasma Interactions (N-PI) facility at the NASA Glenn Research Center that this idea is : D.

Ferguson, B. Vayner, And J. Galofaro. Array arcing in orbit - From LEO to GEO. Transient phenomena induced by discharge on solar array in low Earth orbit plasma environment.

Laboratory experiments on mitigation against arcing on high voltage solar array in simulated LEO plasma environment. Unfortunately, the use of high-voltage solar arrays in low-Earth orbits (which for the purposes of this paper are classified as km altitude) introduce risk associated with solar array and structural arcing.

Worse yet, the mechanisms that cause arcing in LEO—in con-trast with those in GEO—are directly related to the use.

Arcing rates for High Voltage Solar Arrays - Theory, experiment, andpredictions. Development of V Solar Array Technology for Low Earth Orbit Plasma Environment.

IEEE Transactions on Plasma Science, Vol. 34, No. 5 Laboratory experiments on mitigation against arcing on high voltage solar array in simulated LEO plasma by: Laboratory experiments are carried out to study the response of plasma to a sudden potential change induced by arcing on a solar array in low-Earth-orbit plasma environment.

A solar array is. Solar Array Arcing Mitigation for LEO Spacecraft Grant Bonin 1, Nathan Orr 1, Robert E.

Zee1, Solar Array Arcing • Array arcing results from strong local electric fields • Prevent plasma exposure to high -voltage surfaces – Array encapsulation. Get this from a library. LEO high voltage solar array arcing response model: interim report.

[Roger N Metz; United States. National Aeronautics and Space Administration.]. Get this from a library. LEO high voltage solar array arcing response model: interim report - February, [Roger N Metz; United States. National Aeronautics and Space Administration.]. the power generation system design containing the solar array in the spacecraft, it is impor-tant to investigate whether the solar array is degraded or not by arcing, and what degree the solar array is degraded.

The purpose of this study is to investigate the degradation of the V high voltage solar array in by: A theory for arcing has been developed on these high voltage solar arrays which ascribes the arcing to electric field runaway at the interface of the plasma, conductor and solar cell dielectric.

The theory is compared in detail to the flight experiment and shown to give a reasonable explanation for the by: 1. Arcin~ on negatively biased arrays may be caused by a breakdown in the background gas /2/ or a breakdown in the desorbed gas /3/ or arcing may be a special case of the classical vacuum arc /4/.

In any event, the mechanism is related to the formation of stron~ electric fields at critical locations of the by: 2. electrical power systems using voltages greater than 55 volts that operate in the low Earth orbit (LEO) plasma environment encountered in altitudes up to km and latitudes between and +50 degrees.

Such power systems, particularly solar arrays, are the proximate cause of spacecraft. virtually invulnerable to high radiation fields. • RTGs provide longer mission lifetimes than solar power systems.

– Supplied with RTGs, the Viking landers operated on Mars for four and six years, respectively. – By comparison, the Mars Pathfinder spacecraft, which used only solar and battery power, operated only three months.

Thiemann H and Bogus K Anomalous current collection and arcing of solar-cell modules in a simulated high-density, low-Earth-orbit plasma ESA J. 10 Google Scholar. Galofaro J T, Snyder D B, Bayless J R and Worden J D High-voltage solar array technology J.

Spacecr. Rockets 10 Crossref Google Scholar. Plan for in-orbit testing of the high-voltage solar array: The mission success requires that the high-voltage solar array provides a stable power generation of V with no arcing.

To fulfill the requirements, the generation voltage of the high-voltage solar array and the potential of V system will be monitored.Acta Astronautica Vol. 30, pp./93 $ + Printed in Great Britain Pergamon Press Ltd IMPLICATIONS FOR THE TECHNOLOGY OF HIGH VOLTAGE SOLAR ARRAYS: THE POSSIBILITY OF AN ARC RESISTANT CELL Daniel E.

Hastings*,Mcngu Chotand Renee Mongt Dcpt of Aeronautics and Astronautics, MIT Cambridge, MA Abstract All solar arrays have Cited by: 4.Arcing on space solar arrays Satellite passed through auroral region when high energy (keV) flux was 2 orders of magnitude higher than normal was ejected during the arcing event Current and Voltage waveforms.

Experiment #1: Arcing with Wrapped Wires Time: Time: