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60950中:2.5 Limited power sources2 `3 U R" H6 D
A limited power source shall comply with one of the following, a), b, c) or d):
: H8 l! u+ \5 d2 k6 Va) the output is inherently limited in compliance with Table 2B; or. W' J- A' y! i* b
b) a linear or non-linear impedance limits the output in compliance with Table 2B. If a
" c: r2 p8 z# X2 l4 D, opositive temperature coefficient device is used, it shall pass the tests specified in IEC
- T* p& [7 J- l60730-1, Clauses 15, 17, J.15 and J.17; or3 m7 q. k/ G4 _2 O, {
c) a regulating network limits the output in compliance with Table 2B, both with and l) f4 }3 A! e
without a simulated single fault (see 1.4.14) in the regulating network (open circuit or+ t+ l0 ~% q$ Z
short-circuit); or- X5 b9 F3 t! C- x$ `+ v4 g, ^
d) an overcurrent protective device is used and the output is limited in compliance
% }/ I( a, G: t) k( Awith Table 2C. |
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