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* N: r9 O* C# B8 a法規的7.1節有提到,EUT如果是連結到major feeders,要測試12 ohm,
2 y' H T4 ^) f6 }. h; W8 ^所以推論EUT定義安裝在OVC III以上,要測12 ohm,# \ \; Q" M/ M, B3 }2 I9 R
OVC I and II只要測試30 ohm.
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原文如下7.1 Test of power supply ports
5 A% E/ n7 ~7 f0 g6 oThe test voltage shall be applied through the coupling/decoupling network.
4 I2 j. m |- ~& UIn general, the impedance of the test generator shall be as follows:# P7 Z# W/ X) n! X4 R
– EUT ports connected to major feeders shall be tested with 12 Ω generator impedance;
; a; a1 l8 K% Y7 E+ p3 E0 A; G– EUT ports connected to outlets shall be tested with 30 Ω generator impedance.
3 e* Y2 ]7 z6 ]; Q" l1 wProduct committees may specify tests using either 12 Ω or 30 Ω generator impedance as
6 S* I. x; x+ ?* A; Hrequired.
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