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# z1 j5 L- v0 L, s8 [. w法規的7.1節有提到,EUT如果是連結到major feeders,要測試12 ohm,0 `6 R3 Z. p' g" @+ s
所以推論EUT定義安裝在OVC III以上,要測12 ohm,
) R; W5 k) J2 ~1 D q5 xOVC I and II只要測試30 ohm.4 Z6 _: t* E0 i# C5 f7 {/ j6 F7 O
" j( k; _/ X7 R, |& c原文如下7.1 Test of power supply ports
3 D2 {) R) O# r7 o' v: a) gThe test voltage shall be applied through the coupling/decoupling network.* Z8 U0 [ J% K' W. `
In general, the impedance of the test generator shall be as follows:
1 u5 W+ ]( ]: ^& @7 b6 W& t– EUT ports connected to major feeders shall be tested with 12 Ω generator impedance;
3 v7 o& H4 l& }/ R– EUT ports connected to outlets shall be tested with 30 Ω generator impedance.. p9 s* ?5 s0 m: w
Product committees may specify tests using either 12 Ω or 30 Ω generator impedance as
. j/ v% ?3 l0 |required. 6 w3 N# V0 d& \6 D, G
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