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Usměrňovačové systémy DC-Měniče Střídače UPS systémy ...

Vydal: BENNING CR, s.r.o. Autor: BENNING

Strana 209 z 247

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For this reason, altern ative leakage current m easurem ent ade these cases... easurem ent ade ith approx. For easure­ m ents according DIN 0701-0702, different easuring rran gem ent shall applied than for easurem ents according DIN 0751-1 (derived from IEC 6060 1-1).3 Leakage Current Measurement Alternative Leakage Current Measurement Method (Alt.. 200 AC..) A direct leakage current easurem ent not alw ays possible, because for this type easure­ m ent, the devices either ust placed onto insulated surface they ust connected to a volta source electrically isolated from earth. The leakage curren easured projected the nom inal ains voltage (230 V).3. corresponding m easuring rran gem ent ill activated atically depending the preselection (DIN E 0701-0702 0751)...BENNING A Leakage curren applied part, ains voltage on AP, type direct easurem ent: DIN 0751-1 (protection class II) B 750 lia Tester 1 curren easuring instru ent (mA) 2 socket, test cable 3 "Probe" jack 4 sam ple insulated surface <2>- G 0)- T t^h2> (3)— jack PE probe placed ,... Leakage curren applied part, ith on-board pow supply direct easurem ent: DIN 0751-1 B 750 lia Tester 1 curren easuring instru ent (mA) 2 socket, test cable 3 "Probe" jack 4 sam ple insulated surface 10.,.. The alternative leakage curren has easured betw een: the protective cond uctor (accessible etal parts hich are connected the protective conductor, protection class and the active cond uctors ains supp unit) 2