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60950中:2.5 Limited power sources
0 Q4 A; C. @% |% q9 ^: S" _1 ^A limited power source shall comply with one of the following, a), b, c) or d):
" h$ @+ _ E0 H9 g1 O8 Ka) the output is inherently limited in compliance with Table 2B; or6 e% T( p, J9 P# T6 F, M
b) a linear or non-linear impedance limits the output in compliance with Table 2B. If a
" }( N$ |/ G( T6 M+ A7 ]! y, Opositive temperature coefficient device is used, it shall pass the tests specified in IEC
- ?/ D; o8 \! T2 |: m! m( t% J60730-1, Clauses 15, 17, J.15 and J.17; or( e0 w( Z% _% \( Z( O% j
c) a regulating network limits the output in compliance with Table 2B, both with and. `; a9 G, ^: a8 p' D& |8 f- u
without a simulated single fault (see 1.4.14) in the regulating network (open circuit or
' ~/ G4 [+ n, G; _6 C; j: Fshort-circuit); or# @ a3 x* J4 Y: j
d) an overcurrent protective device is used and the output is limited in compliance# \4 Q; v/ g; a- R- ^
with Table 2C. |
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