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| Content Provider | IET Digital Library |
|---|---|
| Author | Lu, Zhang |
| Abstract | Isolation distance is an important consideration in aircraft wiring for coupling effect. according to electrical wiring interconnect system (EWIS) isolation requirements specified in SAE 50881D and airworthiness regulations CCAR 25.1707, explicit isolation distances are not specified. Aircraft wiring is complex or diverse. In order to evaluate coupling effects between the main feeder and signal wire, the three-phase-seven-wire main feeder with 230 VAC, 250 kVA was chosen as the simulation object. The impedance model of three-phase feeder is given with which the coupling effects can be analysed in theory at first. The coupling voltage amplitude is the main evaluation index. In the simulation process, the following cases are chosen: different distances between signal wire and main feeder; signal wire lies in the different phase of the main feeder; isolation distance analysis with types of loads; there exits arc faults on main feeder. Based on the analysis of the simulation results, proposed methods to reduce the coupling effects between wires are given. Through the work in this study, it has some guiding significance for wire or cable laying. |
| Starting Page | 587 |
| Ending Page | 592 |
| Page Count | 6 |
| Volume Number | 2018 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2018/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.0055 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-02-05 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Aerospace And Avionic Power Supplies Aerospace Industry Aircraft Aircraft Power System Aircraft Wiring Airworthiness Regulations Apparent Power 250.0 KVA Arc Fault Arcs (electric) Cable Laying CCAR 25.1707 Coupling Effect Coupling Voltage Amplitude Electrical Aircraft Electromagnetic Coupling Engineering Material Evaluation Index EWIS Isolation Requirements Impedance Model Isolation Distance Analysis Mechanical Component SAE 50881D Signal Wire Simulation Object Three-phase-seven-wire Main Feeder Wires (Electric) Wires And Cables Wiring |
| Content Type | Text |
| Resource Type | Article |
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