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要隔离的./ H$ o$ M5 ^& Z( ~
- Y. i. V+ R$ f. Z; B要求:
( n) Q" i, h# c: a% h# m5 H, x7 Marking
# k; D" j- W$ i M+ W) Z6 n8 Protection against accidental contact with live parts+ j% G3 y) ^; n3 b& E2 V
9 Terminals! L# x! i( |- I" |3 f) m3 w, A. d
10 Provisions for protective earthing
- U) L# X1 z* I0 A0 c' R11 Moisture resistance and insulation
. C9 C5 n$ m0 z( }2 |* [3 B12 Electric strength
, i( x" B' S2 Z) d1 E13 Thermal endurance test for windings of ballasts
: c' L8 }6 y D2 t5 o( I14 Fault conditions3 q/ B, a% \* x4 I" o1 ]. {4 O; C
15 Transformer heating
4 f5 n& b) D6 b7 V/ @: C16 Abnormal conditions2 Y9 D" r2 i2 p- b" |: J1 R
17 Construction
& U( W/ `5 M* ]4 g( @# t6 D( Z+ e18 Creepage distances and clearances
: L" @3 p" J. K+ G k+ W+ _19 Screws, current-carrying parts and connections
$ l; w/ z" h1 o/ c1 q20 Resistance to heat, fire and tracking0 _: x. A% n% @6 ]* q/ ?
21 Resistance to corrosion |
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