Analysis of unintended electromagnetic fields generated by safety system control panels
Mirosław Siergiejczyk 1  
,   Adam Rosiński 1  
,   Jacek Paś 2  
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Politechnika Warszawska Wydział Transportu
Wojskowa Akademia Techniczna Wydział Elektroniki
Adam Rosiński   

Politechnika Warszawska Wydział Transportu, ul. Koszykowa 75, 00-662 Warszawa, Polska
Submission date: 2016-03-21
Final revision date: 2016-06-27
Acceptance date: 2016-06-27
Publication date: 2016-09-19
Diagnostyka 2016;17(3):35–40
Electronic devices, which are used in safety systems during operation, produce an unintended electromagnetic field. It can be a source of interference to other devices and systems used in the protected premises (the concept of internal and external compatibility). The value of the individual electromagnetic field components, which are produced by safety system control panels, depend on their operating state. Within the individual operating states, these devices consume different values of currents from basic or backup power supplies. The paper presents the research results of the unintended electromagnetic field generated by the safety system control panels. Measurements were carried out for two frequency ranges – a range of extremely low frequencies ELF (0÷2) kHz as well as a range of very low frequencies VLF (2÷100) kHz. The research was conducted according to the Polish standards on the measurement of electromagnetic fields in a range of low frequencies.