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0 O$ K& d) L& s7 H
7 b9 ^ B8 @; C0 z- i DSH 316, p* g( f8 y3 i3 h6 ]0 P. @0 H$ G6 N
| Mains Transformers Overload test; f: |% h6 P# v g( o9 n% T
| 14.7.2# V- T6 L2 P. y4 _, k
| 61010-1(ed.1);am1;am2. ` W" E0 }; {3 j/ N& @
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9 N: K* U2 Q+ P
7 Y0 o6 i2 @) Z+ `8 F( l) BStandard:
5 U4 k: H. [3 Z/ v; ~IEC 61010-
2 C9 D) r3 ]7 Y/ `: n4 m1:1990+A1:1992+A”:1995
, I( g, ?( Z+ ~! C) ~7 ?Sub clause:5 Z; F: f7 z+ p) ~
14.7.2* O7 K q& o- S( N8 l4 `8 b. s& H! S
Sheet n. 3163 E: [- [* u7 }2 E
Page 1(1)
2 q# p0 \. E7 @* b- SSubject:7 \: e1 y5 D0 ]& R7 t! c6 i
Mains transformers
6 X! A" T. A7 s) Q/ A5 i' C* V' GOverload test( E$ @% I! c7 d2 s7 `
Key words:
+ y% N, J) d9 U7 ^# M4 ~6 Q- x- Transformer
: V7 `, ~8 q& c7 ?. E, o2 q- Overload. t" {, Q( W) j* \( L3 Y8 _
- Temperature/ `/ b0 n9 v- E/ i* h
Decision taken by6 L3 H9 i# D3 K
ETF3 and confirmed
. g4 |0 l% X0 eby CTL at its 38th5 m9 T6 M0 Q4 t' M* W, B- Q
meeting, in Toronto8 ^# j) h: d. W+ k1 Z( m
Question:
! m3 b4 @& k/ cShould this test be performed starting from cold condition or from operating temperature?
3 m' ^- f9 f9 |; tDecision:
# U4 L/ L& g0 l5 \Tests from both temperatures are valid and should therefore, be performed if there is/ n6 M! |0 @% s# s8 z2 {, M5 }
likelihood that limits will be exceeded.
1 C( ?/ r) z4 i4 @$ x( U, ~1 f) iExplanation+ D/ `- }2 [6 k- n; e- e
All working temperatures are addressed by this requirement. Laboratories should analyse the) S9 e ?4 Y. U* [0 |' l
operation of the device to determine whether more than one test is needed.' n/ p4 Q W" z
3 x6 ?3 v; r7 I
7 L$ f+ F5 L0 W( Z/ P" p
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