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60950中:2.5 Limited power sources
4 \" i/ ^) ~/ jA limited power source shall comply with one of the following, a), b, c) or d):
, U+ ]6 I3 R ?4 c+ e' ?a) the output is inherently limited in compliance with Table 2B; or
1 k& z6 z% V5 ob) a linear or non-linear impedance limits the output in compliance with Table 2B. If a- ]0 x" E) | h% s! l% e+ Q( `6 K! Q
positive temperature coefficient device is used, it shall pass the tests specified in IEC1 s) i, K* _6 a5 ~
60730-1, Clauses 15, 17, J.15 and J.17; or
' n' [; C2 e" N1 Xc) a regulating network limits the output in compliance with Table 2B, both with and! X, ?5 b* \; H" C# Q( E% x0 E. ]
without a simulated single fault (see 1.4.14) in the regulating network (open circuit or8 [ l) w. e% M Y( j6 g- @
short-circuit); or
( h3 R. B- d" h8 H/ e& E; j$ y* Ed) an overcurrent protective device is used and the output is limited in compliance" ?" J8 ?! P8 I V* q$ |7 Z
with Table 2C. |
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