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60950中:2.5 Limited power sources# j% H! |" d) M K; T$ s$ G7 ?# X. g0 p
A limited power source shall comply with one of the following, a), b, c) or d):
3 t& `: R# d6 m6 ] K1 za) the output is inherently limited in compliance with Table 2B; or+ g$ Y/ D( q8 H) Z7 z8 m5 |
b) a linear or non-linear impedance limits the output in compliance with Table 2B. If a
: u( C7 M- W; w; `. cpositive temperature coefficient device is used, it shall pass the tests specified in IEC
* p: s7 L9 x" ?* z9 Z, H6 y. i; y60730-1, Clauses 15, 17, J.15 and J.17; or
4 E7 H/ [9 ~' \4 Y9 ^ }c) a regulating network limits the output in compliance with Table 2B, both with and
2 e+ z. c- y' h5 ~4 h/ E* zwithout a simulated single fault (see 1.4.14) in the regulating network (open circuit or
' \% R5 I# h! }0 Cshort-circuit); or
- ]% R- D# G/ m7 P+ B( od) an overcurrent protective device is used and the output is limited in compliance
2 Z5 T) A3 @9 B. A8 rwith Table 2C. |
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