|
要隔离的.
d8 k5 C1 a* _) r; i/ o
: {& m, L+ _+ }8 `; F要求:* B5 Z7 A a `: `! J( {7 @
7 Marking; k" V1 B' d7 h, K0 T2 ]( x# n
8 Protection against accidental contact with live parts( h0 M* H9 ~3 a& c4 {" X* p
9 Terminals( h( d9 s4 U" j" l1 g1 s
10 Provisions for protective earthing- Z( n2 {& `" Q+ H( i: k
11 Moisture resistance and insulation" h0 \! p0 d6 V4 E3 {( J0 F. N0 t
12 Electric strength
; i) W# |+ Y) j2 V13 Thermal endurance test for windings of ballasts
0 `) _& n g/ R/ W. Q14 Fault conditions. ^* d7 q. D$ c; C& j7 L- V
15 Transformer heating- ~: R$ t% c& @9 |- r2 q$ H. z' k# `" c
16 Abnormal conditions
8 x( @* ?! J" \17 Construction
" @* r9 |% `/ A1 ^3 @0 x |7 z18 Creepage distances and clearances( @. a8 d5 r! Q
19 Screws, current-carrying parts and connections
4 R( S# X" W9 P8 k# \# w+ d20 Resistance to heat, fire and tracking& m) s. w$ T I+ q8 h
21 Resistance to corrosion |
|