这份报告中的NC,NB,CT是什么的缩写？

火水晶

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

[td]

5.3	TABLE: fault condition tests						Pass
	ambient temperature ( ° C)............................... :				85		—
	Power source for EUT: Manufacturer, model/type, output rating................................................... :				EBC series		—
Component No.	Fault	Supply voltage (V)	Test time	Fuse #	Fuse current 6 n- r# g) t4 I0 B(A)	Observation
COMPONENT FAILURE TEST QPS5120	--	--	--	--	--	--
IC104 (op amp)	Short Pn 2 to ref gnd	48Vdc	Instantly	Power Board/ Test fixture F1	30A	NC, NB, unit shut down
U101 (opto)	Short Pn 2 to ref gnd	48Vdc	Instantly	Same	30A	NC, NB, unit shut down
IC200 (feedbacK)	Pin 3-4 Short	48Vdc	Instantly	Same	30A	NC, NB, unit shut down
ABNORMAL OPERATION TESTS	--	--	--	--	--	--
EUT QPS5120	No forced air, in wind tunnel ambient	48Vdc	2:05hrs	Power Board/ Test fixture F1	30A	NB, NC, CT Output loaded to 12.5A @ 12Vdcmain T1 core = 116.7°CMain T1 PWB trace = 118.2°C, Ambient = 48°CWithout air flow, the ambient and load is de-rated to the maximum shown here in the resultsBased on output current efficiency de-rating curves, 48V input has the highest output efficiency.

Nezof

NB 是no break down 即电气强度可以
7 A; s+ u1 E0 a% X* J  ^NC 是没有碳化现象
NT是没有超过温度限值

7 V7 v: l! @' l; L' b当然，上述是我根据字面和你的图猜的，具体可以通过看标准求证
' n! o' Q1 {% {  o

zhh0815

这个报告没有这些缩写解释吗？

火水晶

zhh0815 发表于 2013-10-14 16:19
0 z) @8 _2 v& n这个报告没有这些缩写解释吗？

没有找到。这是一份UL报告。UL报告的解释一般会在什么地方？

wpcily

IP = Internal protection operated (component indicated) CT = Constant temperatures were
, z  i9 v5 A$ m- D' c+ Gobtained CD = Components damaged (damaged components indicated) NB = No indication of dielectric
breakdown NC = Cheesecloth remained intact NT = Tissue paper remained intact

stey

一般报告后面会有注解。

火水晶

wpcily 发表于 2013-10-14 16:56
IP = Internal protection operated (component indicated) CT = Constant temperatures were
. P2 u* U6 k8 Hobtained CD ...

) P( w& n) z7 l1 q% V这个是在什么资料中有说明吗？能否上传让大家学习一下？

火水晶

stey 发表于 2013-10-14 17:45
$ d" z% O; F0 ~7 w# f" |  Q6 d' @一般报告后面会有注解。

) l' k9 f7 Y. O9 k/ O' L% r% e9 Q在这份报告中没有找到。

wpcily

火水晶 发表于 2013-10-15 08:36
2 U/ F9 C" a- m6 S4 C2 l这个是在什么资料中有说明吗？能否上传让大家学习一下？

0 i3 y! u4 S+ n$ D6 O8 Q: @- oUL的datasheet上有描述的。详细的如下：
8 \* O5 Y+ _# Q/ i9 D2 hIP  Internal protection operated (list component)
CT  Constant temperatures were obtained
TW  Transformer winding opened
& J" ]- X# {0 A7 u/ R; g. G, t" ZCD  Components damaged (list damaged components)
NB  No indication of dielectric breakdown       
YB  Dielectric breakdown (indicate time and location)
9 {* ^: L0 N* W( r2 R) F8 QNC  Cheesecloth remained intact
YC  Cheesecloth charred or flamed
NT  Tissue paper remained intact
YT  Tissue paper charred or flamed