A static voltage-current characteristic for the low current DC arc /
50 amps was left unresolved, by research concluded in
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1998.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | 50 amps was left unresolved, by research concluded in 55miI, 60 amp peak AC arc. It does not agree with the high a 28V power system, would reduce the bolted fault agreed with low current (<1A) zero length sparks and a and a total of twenty four trials were made of DC arcs arc lifetime. Varc=l3v+l68v/inch*arc length This model arc tracking fault remains below overcurrent characteristic for a low current DC arcs supported by charred furrow, known as the ''arc track'', through collateral damage from the arc. confirmed that the average circuit current during an current AC arcing, but the focus has been on the current by 55%, regardless of the insulation type. current model developed from long AC arcs: dependent only on arc length. Current only influenced detection. This thesis proposes a static V-I eliminate the arc tracking problem. This thesis harmonics generated by such arcs as a means of in the fault branch. It is thought that insulations insulation, presumably, acting as a resistive element Kapton cable insulation. Tests by NASA and others have literature. Evaluated using the F-statistic, the best model, with a standard error of less than 3V , was a of the arc itself may be solely responsible for on bare I8AWG solid copper electrodes in geometries protection trip levels. Some in the field believe the reducing the fault current and the ''track'' is reduction of fault current is due to the carbonized simulating Sow current arcs, between wires of a supports an alternative theory that the voltage drop systems has failed to detect arcing faults numerous the 192O's. Recently, interest has returned to low The voltage-current (V-l) characteristic of arcs below theory and empirical data. Two different experiments times with disastrous consequences. The fault leaves a to 18 different models, new or proposed in the typical cable bundle (1-6 amps and 12-125mils long). Using multiple linear regression the data was fitted Varc=37v/inch*arc length. The arc voltage between thin voltage source, opposed to the system voltage, wall (7 mil) wire is predicted to be 15.5V, which, in which do not carbonize when exposed to an arc will |
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| Item Description: | "Major subject: Electrical Engineering". Vita. |
| Physical Description: | xi, 110 leaves : illustrations ; 28 cm. Also available online. Issued also on microfiche from Lange Micrographics. |
| Bibliography: | Includes bibliographical references: pages 84-89. |