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Exemplum fulguris currentis in TT systema

2022-12-29

Communis modus SPD inter tempus et PE vel phase and PEN installatur quodcumque genus systematis terrestris dispositionis (vide Fig. 1).

 

Neutrum earthing resistor R1 usus est pylons habet inferiorem resistentiam quam earthing resistor R2 propter institutionem.

 

Fulgor current perfluet circuiens ABCD ad terram per viam facillimam. Transibit per varistores V1 et V2 in serie, faciens intentionem differentialem aequalem duplo sursum voltage SPD (Up1 + Up2) apparere terminales A & C in introitu to institutionem in casibus extremam.

 


Fig. I - solum commune praesidium


Onerat custodire inter Ph et N * efficacius, modus intentionis differentialis (inter A et C) reduci debet.

 

Alius igitur usus est architectura SPD (see Fig.2)

 

Fulgor current per gyrum fluit ABH , qui minorem habet impedimentum quam circuii ABCD , ut pars adhibita inter B et H nulla est (sint hiatus scintilla gas impleta). In hoc casu, differentialis intentionis aequalis est residua intentioni SPD (Up2).

 


Fig.2 - Commune et differentiale praesidium



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