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Topological Model of an Electromagnetic Environment Inside a Ship for Electromagnetic Compatibility (EMC) Analysis

1
Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, 80-233 Gdansk, Poland
2
R&D Marine Technology Centre, 81-109 Gdynia, Poland
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(20), 4293; https://doi.org/10.3390/app9204293
Received: 19 September 2019 / Revised: 4 October 2019 / Accepted: 6 October 2019 / Published: 12 October 2019
(This article belongs to the Section Electrical, Electronics and Communications Engineering)
The mutual electromagnetic (EM) interactions between electrical and electronic devices in a segmented space, such as a ship’s environment, are described. Knowledge of EM interference signal (EM disturbance) distribution is important when setting correct locations for electrical and electronic equipment in a ship’s environment. Firstly, the topological structure of a ship’s segmented internal environment (under the main deck), which consists of many electrical screening walls (shielding planes), is presented. The planes attenuate the EM disturbances. Then, taking into account the ship’s topological structure, a general description of the EM disturbance distribution, called the ship’s topological electromagnetic compatibility (EMC) model, is formulated using matrix expressions. This model includes EM disturbances that radiate from a ship’s own internal sources (located under the main deck) and/or external sources (located above the main deck), and/or that radiate from extraneous external sources, i.e., from other ships and/or aircrafts. A description of the model for an example EMC ship scenario and a partial verification of its measurements are shown and discussed. Finally, a discussion of the usefulness of the proposed model in an analysis of a ship’s EMC conditions concludes this study.
Keywords: EM interactions; protection before EM influences; EMC; EMC investigations; EM signals (disturbances) on a ship; EM shielding walls; EM disturbance attenuation; EM disturbance distributions; topological modeling; matrix description; practical scenarios; measurement verification EM interactions; protection before EM influences; EMC; EMC investigations; EM signals (disturbances) on a ship; EM shielding walls; EM disturbance attenuation; EM disturbance distributions; topological modeling; matrix description; practical scenarios; measurement verification
MDPI and ACS Style

Katulski, R.J.; Namiotko, R. Topological Model of an Electromagnetic Environment Inside a Ship for Electromagnetic Compatibility (EMC) Analysis. Appl. Sci. 2019, 9, 4293.

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