|
|
60950中:2.5 Limited power sources
0 D& H! {) d2 h4 {! F! S* T; PA limited power source shall comply with one of the following, a), b, c) or d):
8 e3 n0 [9 @; N$ r. H, da) the output is inherently limited in compliance with Table 2B; or) U6 t, K# Y3 u1 L# g; I Z
b) a linear or non-linear impedance limits the output in compliance with Table 2B. If a
' ~3 g# v" e) x5 p& @- n8 S9 ypositive temperature coefficient device is used, it shall pass the tests specified in IEC
4 _/ J* A8 A, |. I# Z6 d! ^3 L60730-1, Clauses 15, 17, J.15 and J.17; or
& f+ E( I8 }' @& g2 Yc) a regulating network limits the output in compliance with Table 2B, both with and
. N+ S$ ~* `% g6 K# Twithout a simulated single fault (see 1.4.14) in the regulating network (open circuit or
) k8 v7 `+ P2 g- zshort-circuit); or
, C( @, H% T, N' K. H' D& h2 C; od) an overcurrent protective device is used and the output is limited in compliance
, h' i- U* o" X+ j/ iwith Table 2C. |
|