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60950中:2.5 Limited power sources
- y7 r z g6 D% S5 IA limited power source shall comply with one of the following, a), b, c) or d):
; W! d8 w, x M; U* t" L, v4 A! Ha) the output is inherently limited in compliance with Table 2B; or) E# I: F5 L0 l
b) a linear or non-linear impedance limits the output in compliance with Table 2B. If a4 O S- H+ {0 t7 X2 }
positive temperature coefficient device is used, it shall pass the tests specified in IEC4 q5 H1 M9 `/ K0 J% G
60730-1, Clauses 15, 17, J.15 and J.17; or
% O' ?7 \, R+ H! wc) a regulating network limits the output in compliance with Table 2B, both with and
: j) Y1 k2 |9 k3 t' r! B# Pwithout a simulated single fault (see 1.4.14) in the regulating network (open circuit or: S# E9 X: A l1 Z( S
short-circuit); or: e4 A, Q5 W/ @ E" N) t
d) an overcurrent protective device is used and the output is limited in compliance/ W) N( Q: E6 T- g- c Z9 k
with Table 2C. |
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