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EN60950中电气间隙的决定 " {/ O/ _0 X% ?1 `, G% E
1 初级电路之间,初级电路到地,初级电路到次级电路的电气间隙的决定; k p# a8 W- G9 d, Y. V
When U<300Vac.rms(400Vpeak)
8 i- r: u$ | |0 M6 P' r; K1) If peak working voltage <peak value of the AC MAINS SUPPLY ,check in table 2k 5 `" k* F! f |4 K' h4 M& t( k
2) If peak working voltage >peak value of the AC MAINS SUPPLY ,the minimum clearances is the sum of the two following values :9 R- {/ P6 j, u3 `/ V, t" r( X$ g
The minimum clearance in table 2k
: g6 A' e# ^1 p8 T' J' ~The additional clearance in table 2L, j: t: z' d% V) ? ]7 t8 `/ o2 p
2 clearance in the secondary circuit / g* U6 [% ^$ C( ?
一次电路的过压种类为Ⅱ,二次电路的过压种类为Ⅰ
( f0 ?: f3 V/ F5 V) S根据工作电压,瞬态电压和污染等级查表2M即可 |
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