DSH 316 Mains Transformers Overload test

小米

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

6 r. Z. c3 s9 q! R5 ?
) H# o' B* `4 c* ~4 a

DSH 316

Mains Transformers Overload test

14.7.2 - u7 O* x, L+ n. b  @

61010-1(ed.1);am1;am2

  ^( Z0 l. b5 B$ L4 U" O
Standard:
% X3 p  H2 ?' q) QIEC 61010-
1:1990+A1:1992+A”:1995
Sub clause:
14.7.2
3 `( C5 q/ }; RSheet n. 316
Page 1(1)
9 \* {" s9 c. M2 q4 ?5 s, ZSubject:
* y/ g8 r( Q. p* g( Z/ @Mains transformers
Overload test
Key words:
- Transformer
- Overload
- Temperature
Decision taken by
ETF3 and confirmed
by CTL at its 38th
" k9 H  s' p2 O% U+ i  x4 e" F, nmeeting, in Toronto
Question:
Should this test be performed starting from cold condition or from operating temperature?
: k9 R0 g+ T/ O( E6 v" {7 ODecision:
Tests from both temperatures are valid and should therefore, be performed if there is
likelihood that limits will be exceeded.
Explanation
. K' N! e: S5 _& ^8 jAll working temperatures are addressed by this requirement. Laboratories should analyse the
- U$ x* a4 k" q" Goperation of the device to determine whether more than one test is needed.