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Page 28 of 73
IEC60065E
ASTABEAB
Temperature Rise dT of Part
dT (K)
Limit dT (K)
PCB under BR1
61,4
46,0
85
PCB under D3
52,8
55,3
85
PCB under Q1
53,3
46,4
85
Electrolytic capacitor (C1)
49,1
38,8
60
Optocoupler (IC2)
39,0
38,0
55
X2 capacitor (CX1)
37,8
30,6
55
Y1 capacitor (CY1)
34,5
32,5
80
Output cord
18,7
18,8
35
Inside enclosure
34,8
36,5
69
Outside enclosure
35,2
37,1
50
Ambient (°C)
45,0
45,0
--
Model S024EV0600300
T1 winding
57,6
58,5
65
T1 core
56,8
57,6
--
L1 winding
58,1
44,8
85
PCB under BR1
57,4
42,8
85
PCB under D3
59,4
57,1
85
PCB under Q1
48,3
42,4
85
Electrolytic capacitor (C1)
47,9
38,0
60
Optocoupler (IC2)
41,4
38,4
55
X2 capacitor (CX1)
34,5
26,1
55
Y1 capacitor (CY1)
35,1
32,1
80
Output cord
25,9
25,1
35
Inside enclosure
44,0
45,4
69
Outside enclosure
33,9
34,9
50
Ambient (°C)
45,0
45,0
--
Model S024EV0300300
T1 winding
39,0
39,5
65
T1 core
38,0
38,5
--
L1 winding
42,6
33,2
85
PCB under BR1
38,5
29,9
85
PCB under D3
41,3
40,2
85
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Page 29 of 73
IEC60065E
ASTABEAB
Temperature Rise dT of Part
dT (K)
Limit dT (K)
PCB under Q1
31,3
31,4
85
Electrolytic capacitor (C1)
31,5
26,3
60
Optocoupler (IC2)
28,7
28,4
55
X2 capacitor (CX1)
24,2
18,4
55
Y1 capacitor (CY1)
20,6
19,5
80
Output cord
34,1
34,3
35
Inside enclosure
34,1
34,3
69
Outside enclosure
25,5
25,8
50
Ambient (°C)
45,0
45,0
--
Winding temperature rise measurements
Ambient temperature t1 (
o
C) ...................................:
Ambient temperature t2 (
o
C) ...................................:
--
--
--
—
—
Temperature rise dT of winding:
dT = (R
2
– R
1
) x (234.5 + t1) – (t2 – t1)
R
1
R
1
(Ω)
R
2
(Ω)
dT (K)
Limit dT (K)
Insulation class
--
--
--
--
--
--
--
--
--
--
--
--
Note:
1.
The temperatures were measured under worst case normal mode defined in subclause 4.2.1.
2.
The appliance is intended to be used in tropical climate, so the basic ambient temperature is 45°C, maximum
temperatures are calculated as following:
temperatures are calculated as following:
Winding wire (providing safety isolation):
- Class B → ∆Tmax = (120-45-10)K = 65 K (thermal couple method used)
Components with a maximum temperature of :
- output cord → ∆Tmax = (80-45) K =35 K
- L1 winding → ∆Tmax = (130-45) K =85 K
- Optoccoupler → ∆Tmax = (100-45) K =55 K
- PCB → ∆Tmax = (130-55) K = 85 K
- X capacitor → ∆Tmax = (100-45) K = 55 K
- Y capacitor → ∆Tmax = (125-45) K = 80 K
3. The softening temperature was performed for all sources of all enclosure material. The temperature is 124,5°C.
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Page 30 of 73
IEC60065E
ASTABEAB
7.2
TABLE: softening temperature of thermoplastics
P
Temperature T of part
T - normal condi-
tions (
o
C)
T - fault condi-
tions (
o
C)
T softening
(
o
C)
Enclosure material (Guangzhou Kingfa, type JH830)
90,5
103,2
124,5
Enclosure material (Chi Mei, type PA-765(+))
90,5
103,2
137,1
Enclosure material (Kumho, type HFA-700HT)
90,5
103,2
136,3
9.1
Shock Hazard
P
Under normal operating conditions: > 35Vpk ac / 60V dc
Notes: Reference Annex D
Notes: Reference Annex D
-
CLASS I: (single phase)
AC
DC
U1: Vpk
mA rms
U1: V
mA
U2: Vpk
mA rms
CLASS II: (single phase)
AC
DC
U1: Vpk
mA rms
U1: V
mA
L, N-output
0,37
L, N-enclosure
0,28
U2: Vpk
mA rms
L, N-output
0,17
L, N-enclosure
0,04
Note:--
10.3
TABLE: Insulation Resistance Measurements
P
Insulation resistance R between:
R (MΩ)
Required R (MΩ)
T1: primary winding to secondary winding
100
4
T1: secondary winding to iron core
100
4
Unit: primary circuit to accessible parts
100
4
Unit: primary circuit to secondary circuit
100
4
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Page 31 of 73
IEC60065E
ASTABEAB
10.3
TABLE: Electric Strength Measurements
P
Test voltage applied between:
Test voltage (V)
Breakdown
T1: primary winding to secondary winding
AC3000
No
T1: secondary winding to iron core
AC3000
No
Unit: primary circuit to accessible parts
AC3000
No
Unit: primary circuit to secondary circuit
AC3000
No
Insulation tape (1 layer)
AC3000
No
11.2
TABLE: summary of fault condition tests
P
Voltage (V) 0,9 or 1,1 times rated voltage .............. : 240x1,1=264
—
Frequency (Hz)……………………………………..:
50
—
Ambient temperature (
o
C) ....................................... : 45
—
No
Component
Fault
Temp Rise/
Component
Component
Other results
(include description and test duration)
(include description and test duration)
Model S024EV2400100
1
One diode of BR1
SC
--
F1 opened immediately. The test was repeated 3
times on models used fusing resistor, no hazards.
times on models used fusing resistor, no hazards.
2
C1
SC
--
F1 opened immediately. The test was repeated 3
times on models used fusing resistor, no hazards.
times on models used fusing resistor, no hazards.
3
C3
SC
--
AC current: 0,03A→0,10A, unit protection, 5 min, no
hazards.
hazards.
4
D1
SC
--
AC current: 0,03A→0,08A, unit protection, 5 min, no
hazards.
hazards.
5
Q1 (pin S-D)
SC
--
F1 opened immediately. R15, R1, R17 damaged.
The test was repeated 3 times on models used
fusing resistor, no hazards.
The test was repeated 3 times on models used
fusing resistor, no hazards.
6
Q1 (pin D-G)
SC
--
AC current: 0,03A, R15, R16, R17 damaged, unit
protection, 5 min, no hazards.
protection, 5 min, no hazards.
7
Q1 (pin S-G)
SC
--
F1 opened immediately, R15, R16, R17 damaged,
no hazards. The test was repeated 3 times on
models used fusing resistor, no hazards.
no hazards. The test was repeated 3 times on
models used fusing resistor, no hazards.
8
T1 primary winding
(N1)
(N1)
SC
--
AC current: 0,03A→0,15A, unit protection, 5 min, no
hazards.
hazards.
9
T1 primary winding
(N3)
(N3)
SC
--
AC current: 0,03A→0,08A, unit protection, 5 min, no
hazards.
hazards.
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