Harman Kardon HK 3390 (serv.man3) EMC - CB Certificate ▷ View online
- Page 6 of 13 -
Report
No.
132229
Measured at 1/8 of maximum non-clipped output at 50Hz:
Un (V)
In (A)
Pn (W)
Pout (W)
253
1.24 245.0
2 x 9.31 W
(SPK 1)
2 x 9.26 W
(SPK 2)
230
1.22 219.5
2 x 9.31 W
(SPK 1)
2 x 9.26 W
(SPK 2)
220
1.21 209.3
2 x 9.31 W
(SPK 1)
2 x 9.26 W
(SPK 2)
198
1.18 185.9
2 x 9.31 W
(SPK 1)
2 x 9.26 W
(SPK 2)
Measured at 1/8 of maximum non-clipped output at 60Hz:
Un (V)
In (A)
Pn (W)
Pout (W)
253
1.24 243.7
2 x 9.31 W
(SPK 1)
2 x 9.26 W
(SPK 2)
242
1.23 229.6
2 x 9.31 W
(SPK 1)
2 x 9.26 W
(SPK 2)
230
1.22 219.4
2 x 9.31 W
(SPK 1)
2 x 9.26 W
(SPK 2)
220
1.20 207.6
2 x 9.31 W
(SPK 1)
2 x 9.26 W
(SPK 2)
198
1.18 185.5
2 x 9.31 W
(SPK 1)
2 x 9.26 W
(SPK 2)
Measured condition; 1kHz input signal, connected 8 ohm loads for Speaker 1 and Speaker 2 channels
Loudspeaker impedance (Ω) :
8 Ohm
—
Several loudspeaker systems
SPEAKER 1 : Right and Left
SPEAKER 2 : Right and Left
SPEAKER 2 : Right and Left
P
Marking of loudspeaker terminals
SPEAKER 1 ( 8
Ω ),
SPEAKER 2 ( 8
Ω )
P
- Page 7 of 13 -
Report
No.
132229
7.1
TABLE: temperature rise measurements
P
Monitored point:
dT (K) at
253V, 50Hz
dT (K) at
198V, 50Hz
dT (K) at
253V, 60Hz
dT (K) at
198V, 60Hz
Limit dT (K)
*)
Sub transformer core
36.0
28.2
33.1
27.3
85
PWB near D109
26.5
22.5
26.3
21.7
95
E-capacitor, C112 body
26.1
21.5
25.6
20.4
85
°C
Ambient 22.6
o
C 22.3
o
C 23.2
o
C 21.6
o
C -
Winding temperature rise
measurements
measurements
253V,
50Hz
198V,
50Hz
253V,
60Hz
198V,
60Hz
—
Ambient temperature t1 (
o
C) :
22.0 22.0 22.0 22.0
—
Ambient temperature t2 (
o
C) :
22.6 22.3 23.2 21.6
—
Temperature rise dT of winding:
R
1
(Ω)
R
2
(Ω)
dT (K)
Limit dT (K)
*)
Insulation
class
Sub transf. Pri. winding (253V, 50Hz)
3442
3988
40.1
85
E
Sub transf. Pri. winding (198V, 50Hz)
3442
3836
29.1
85
E
Sub transf. Pri. winding (253V, 60Hz)
3442
3935
35.5
85
E
Sub transf. Pri. winding (198V, 60Hz)
3442
3815
28.2
85
E
*) Temperature rise limits for Singapore is 10K less
- Page 8 of 13 -
Report
No.
132229
7.1
TABLE: temperature rise measurements
P
Monitored point:
dT (K) at
198V, 60Hz
dT (K) at
242V, 60Hz
Limit dT (K)
Sub transformer core
27.3
32.1
85
PWB near D109
21.7
25.2
95
E-capacitor, C112 body
20.4
24.7
85
°C
Ambient
21.6
o
C 22.6
o
C -
Winding temperature rise
measurements
measurements
198V,
60Hz
242V,
60Hz
—
Ambient temperature t1 (
o
C) :
22.0
22.0
—
Ambient temperature t2 (
o
C) :
21.6
22.6
—
Temperature rise dT of winding:
R
1
(Ω)
R
2
(Ω)
dT (K)
Limit dT (K) Insulation
class
Sub transf. Pri. winding (198V, 60Hz)
3442
3815
28.2
85
E
Sub transf. Pri. winding (242V, 60Hz)
3442
3910
34.3
85
E
10.3
TABLE: insulation resistance measurements
P
Insulation resistance R between:
R (MΩ)
Required R (MΩ)
Between mains poles (primary fuse disconnected)
> 100
Min 2
Between parts separated by double or reinforced insulation
> 100
Min 4
10.3
TABLE: electric strength measurements
P
Test voltage applied between:
Test voltage (V)
Breakdown
Mains poles (primary fuse disconnected)
1500Vac
No
Between parts separated by double or reinforced insulation
3000Vac No
- Page 9 of 13 -
Report
No.
132229
11.2
TABLE: summary of fault condition tests
P
Voltage (V) 0,9 or 1,1 times rated voltage ............. :
207V or 253V
—
Ambient
temperature
(
o
C) ...................................... :
22-27
o
C
—
Monitored point:
Under fault conditions
Under fault conditions
specified below
dT (K)
Permitted
dT (K)
1. *), D109 (A to C), SC, 5 hr;
Normal operated. FI stabilised at 1.27A
Sub transformer primary winding heated up to 98.0K and stabilised.
Dielectric strength test OK. No hazard.
Normal operated. FI stabilised at 1.27A
Sub transformer primary winding heated up to 98.0K and stabilised.
Dielectric strength test OK. No hazard.
Sub transf.
98.0
Sub transf.
150
2. *), C112, SC, 4 hr;
Unit shut down immediately. FI stabilised at 0.024A.
Sub transformer primary winding heated up to 100.6K and stabilised.
Dielectric strength test OK. No hazard.
Unit shut down immediately. FI stabilised at 0.024A.
Sub transformer primary winding heated up to 100.6K and stabilised.
Dielectric strength test OK. No hazard.
Sub transf.
100.6
Sub transf.
150
*) Tested at 253V
Note- SC: Short-circuit, NCD: No component damage, FI: Fault Input Current
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