emc test report for led power supply, models klp350 ... report/emc test report of led...emc test...
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China KEMA Quality Ltd. Guangzhou Branch 7/F., Block C, Wushan Technology Plaza. Wushan Road, Tianhe District, Guangzhou 510630, P. R. China Tel +86 20 8331 8535 Fax +86 20 8331 8575 www.kemaquality.com KQGZ-F-PC4-005 Version: 2.0
4302294.50 EMC Test report for LED Power Supply, Models KLP350, KLP350x3 and KLP700
Guangzhou, date of issue: 2010-09-06 Author Tim Yan By order of KOE Lighting Ltd. at Guangzhou City China
Author : Tim Yan Reviewed : Arthur Liu
Pages : 31 pages Annex : NIL
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CONTENTS page
1 Conclusion .....................................................................................................3
1.1 Model description...........................................................................................3
1.2 Environment...................................................................................................6
2 Summary .......................................................................................................7
2.1 Applied standards ..........................................................................................7
2.2 Overview of results ........................................................................................7
2.3 Overview of measurement uncertainty ...........................................................8
3 General Information .......................................................................................9
3.1 Product Information........................................................................................9
3.2 Client Information...........................................................................................9
3.3 Test data......................................................................................................10
3.4 Environmental conditions .............................................................................10
4 Emission test results ....................................................................................11
4.1 Mains conducted disturbance voltage ..........................................................11
4.2 Radiated EM Field emission.........................................................................13
4.3 Radiated Magnetic Field emission................................................................18
4.4 Harmonic currents........................................................................................19
4.5 Voltage fluctuations (Flicker) ........................................................................20
5 Immunity Test Results..................................................................................21
5.1 Electrostatic discharge immunity..................................................................21
5.2 Radiated EM field immunity..........................................................................22
5.3 Electrical Fast Transient immunity................................................................23
5.4 Surge transient immunity .............................................................................24
5.5 RF Conducted immunity...............................................................................27
5.6 Power supply interruptions and dips.............................................................28
6 Identification of the equipment under test.....................................................29
7 Operating manual of Electronic transformer .................................................31
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1 CONCLUSION The equipment under test (EUT) meets the essential requirements of the EMC Directive 2004/108/EC. This report is base on report G080144A.900. In this update, the applied standards were upgraded. After reviewing, the radiated emission test was selected to repeat on models KLP350, KLP350x3 and KLP700 and the radiated magnetic emission test was selected to repeat on model KLP350x3 which with maximum power for verification. The test results in this report belong to models KLP350, KLP350x3 and KLP700. The conclusion and results stated in this test report are based on a non-recurrent examination of sample(s) provided by the applicant.
1.1 Model description The apparatus as supplied for the test are three LED power supplies, models KLP350, KLP350x3 and KLP700 for residential use and the products contain electronic control circuitry, but no earth connection. Based on manufacturer’s declaration, the luminaries is LED power supply with LED. On testing, models KLP350 and KLP700 were equipped with a 1 W LED; model KLP350x3 was equipped with a 3 W (3x1 W) LED. (1) Models KLP350, KLP350x3 and KLP700 have the same size, circuit diagram and
PCB layout, but the difference on output. Hence, model KLP350x3 was chosen for full testing; model KLP350 was chosen to repeat conducted emission test; model KLP700 was chosen to repeat conducted emission test and all immunity tests and the corresponding data is representative for all models listed in the report as well.
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Figure 1 model KLP350
Figure 2 model KLP350x3
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Figure 3 model KLP700 The operating modes as stated in the user manual are on mode and off mode.
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1.2 Environment The requirements and standards apply to equipment intended for use in:
� Residential (domestic) environment � Commercial and light-industrial environment Industrial environment Medical environment
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2 SUMMARY This chapter presents an overview of standards and results. Refer to the next chapters for details of measured test results and applied test levels.
2.1 Applied standards
Standard Year Title
EN 55015 2006
A1 2007
A2 2009
Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment.
EN 61547 1995
A1 2000
Equipment for general lighting purposes – EMC immunity requirements
EN 61000-3-2 2006 Limits for harmonic currents emissions
EN 61000-3-3 2008 Limitation of voltage fluctuations and flicker
2.2 Overview of results
Emission tests Result
Mains conducted disturbance voltage (9 kHz – 30MHz) PASS Radiated Magnetic Field emission (9 kHz – 30MHz) PASS
Radiated disturbance field strength (30MHz– 300MHz) PASS Harmonic current emission PASS Limitation of voltage fluctuations (flicker) PASS
Immunity tests Result
Electrostatic Discharges (ESD) PASS Radiated EM Field PASS
Electrical fast transient (EFT) / Burst transients PASS
Surge transients PASS Conducted RF disturbances PASS Power supply voltage interruptions & dips PASS
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2.3 Overview of measurement uncertainty
Measurement Uncertainty
Mains disturbance voltage (9 kHz – 30MHz) ± 2,8 dB Radiated Magnetic Field emission (9 kHz – 30MHz) ± 2,7 dB
Radiated disturbance (30MHz– 300MHz) ± 4,9 dB
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3 GENERAL INFORMATION
3.1 Product Information
Equipment under test LED Power Supply
Trade mark Tested Type KLP350, KLP350x3 and KLP700
U nominal
P rated
KLP350: Pri: 100-240 V~; 50/60 Hz, 0,04 A, Sec: Constant Current DC350 mA; 0,5 -4 V Constant Voltage DC5,5 V; I ≤ 300 mA
KLP350x3: Pri: 220-240 V~; 50/60 Hz, 0,04 A, Sec: Constant Current DC350mA 0,5-10 V
Constant Voltage DC11,5 V; I ≤300 mA KLP700: Pri: 220-240 V~; 50/60 Hz, 0,04 A,
Sec: Constant Current DC700 mA 0,5-4 V Constant Voltage DC5,5 V; I ≤650 mA
3.2 Client Information
Applicant KOE Lighting Ltd. Contact person Kevin Chen
Telephone +86 20 8149 5509 / 8149 5529 / 8149 5550
Telefax +86 20 8149 5660
Address 25 Hejing Road, Dongsha, Liwan District,
Place Guangzhou City, Guangdong
Country China
Manufacturer/Factory KOE Lighting Ltd.
Contact person Kevin Chen
Telephone +86 20 8149 5509 / 8149 5529 / 8149 5550
Telefax +86 20 8149 5660
Address 25 Hejing Road, Dongsha, Liwan District,
Place Guangzhou City, Guangdong
Country China
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3.3 Test data
Location CEST & CGEL
Address
No 6, Haichengdong Street, Xingangdong Road, Haizhu District, Guangzhou, 510330, P. R. China & No.45, Shayongnan Street, Sanyuanli, Guangzhou, Guangdong, China
Date April 2008 & August 2010
Supervised by Coffee Li & Tim Yan
3.4 Environmental conditions Tests have been performed in a controlled laboratory environment, where the environmental conditions are maintained within the applicable ranges.
Ambient temperature 15 °C – 35 °C
Relative Humidity air 30% - 60%
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4 EMISSION TEST RESULTS
4.1 Mains conducted disturbance voltage
Standard EN 55015 Frequency [MHz] QP [dB(µV)] AV [dB(µV)]
0,009 – 0,05 110 N/A 0,05 – 0,15 90 – 80 *) N/A
0,15 – 0,50 66 – 56 *) 56 - 46 *)
0,50 – 5,0 56 46
5,0 – 30 60 50
*) Limits decreasing linearly with the logarithm of the frequency
Port AC mains input power
Test method LISN
Mode On mode with max power wastage
Results for model KLP350x3
QP [dB(µV)] AV [dB(µV)] Frequency [MHz]
Level Limit Level Limit
0,170 52,2 65,1 42,0 55,0 0,610 45,2 56,0 36,9 46,0 1,185 48,6 56,0 32,4 46,0 1,570 41,6 56,0 -- -- 1,675 -- -- 34,4 46,0 2,935 38,5 56,0 -- --
"QP" and "AV" are levels and limits referring to measurements with the quasi-peak and average detector. If the measured level "QP" does not exceed the limit for "AV", then no average measurement is necessary. No other significant emissions were measured at the frequency range of interest employing both the QP and AV detectors.
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Results for model KLP350
QP [dB(µV)] AV [dB(µV)] Frequency [MHz]
Level Limit Level Limit
0,555 36,6 56,0 -- -- 1,265 43,9 56,0 -- -- 1,435 38,6 56,0 30,1 46,0 1,660 -- -- 31,3 46,0
"QP" and "AV" are levels and limits referring to measurements with the quasi-peak and average detector. If the measured level "QP" does not exceed the limit for "AV", then no average measurement is necessary. No other significant emissions were measured at the frequency range of interest employing both the QP and AV detectors. Results for model KLP700
QP [dB(µV)] AV [dB(µV)] Frequency [MHz]
Level Limit Level Limit
0,160 54,1 65,5 41,5 55,6 0,535 41,9 56,0 36,1 46,0
1,280 48,1 56,0 33,7 46,0 1,515 43,6 56,0 37,1 46,0 2,520 38,9 56,0 32,2 46,0
"QP" and "AV" are levels and limits referring to measurements with the quasi-peak and average detector. If the measured level "QP" does not exceed the limit for "AV", then no average measurement is necessary. No other significant emissions were measured at the frequency range of interest employing both the QP and AV detectors. Refer to chapter 6 for the test set-up. Conclusion:
PASS
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4.2 Radiated EM Field emission
Standard EN 55015
Port Enclosure with cabling
Test method Semi-Anechoic chamber
Mode On mode
Frequency [MHz] QP [dB(µV/m)] @10m *
30 – 230 30 230 – 300 37
* At the transition frequency, the lower limit applies.
Results for model KLP350x3
Horizontal
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Vertical
QP [dB(µV/m)] @ 3m Frequency [MHz] Polarization
Level Limit Margin
43,0 V 31,0 40,0 9,0
137,0 V 31,7 40,0 8,3
138,0 H 32,3 40,0 7,7
139,8 H 32,4 40,0 7,6
No other significant emissions were measured at the frequency range of interest employing the QP detectors.
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Results for model KLP350
Horizontal
Vertical
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QP [dB(µV/m)] @ 3m Frequency [MHz] Polarization
Level Limit Margin
32,2 V 33,6 40,0 6,4
90,3 V 32,8 40,0 7,2
150,0 H 37,9 40,0 2,1 200,0 H 24,7 40,0 15,3
No significant emissions were measured at the frequency range of interest employing the QP detectors. Results for model KLP700
Horizontal
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Vertical
QP [dB(µV/m)] @ 3m Frequency [MHz] Polarization
Level Limit Margin
149,6 V 29,1 40,0 10,9
200,0 V 23,5 40,0 16,5
153,0 H 36,1 40,0 3,9
200,2 H 27,6 40,0 12,4
No significant emissions were measured at the frequency range of interest employing the QP detectors. Refer to chapter 6 for the test set-up. Conclusion:
PASS
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4.3 Radiated Magnetic Field emission
Standard EN 55015
Port Enclosure with cabling
Set-up Van Veen loop with 2 meter diameter
Mode On mode
Frequency [MHz] QP [dB(µA)]
0,009 – 0,07 88 0,07 – 0,15 88 – 58 *)
0,15 – 3,0 58 – 22 *)
3,0 – 30,0 22
*) Limits decreasing linearly with the logarithm of the frequency Results for model KLP350x3
Direction X- Axis
QP [dB(µA)] Frequency [MHz]
Level Limit
0,009 – 30,0 More than 20 dB below the limits
Direction Y- Axis
QP [dB(µA)] Frequency [MHz]
Level Limit
0,009 – 30,0 More than 20 dB below the limits
Direction Z- Axis
QP [dB(µA)] Frequency [MHz]
Level Limit
0,009 – 30,0 More than 20 dB below the limits
No significant emissions were measured at the frequency range of interest employing the QP detectors. Conclusion:
PASS
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4.4 Harmonic currents
Standard EN 61000-3-2
Port AC Mains supply
Rated power <25 W
Mode On mode with max. power wastage (model KLP350x3)
Class A All apparatus not classified as Class B, C or D Class B Portable tools
� Class C Lighting equipment Class D Personal computers, television receivers
Results and limits According to EN 61000-3-2 :2006, equipment with rated power less than or equal to 25W other than discharge lighting equipment, the requirement and limited for this case is not yet considered. Hence, the product is deemed to comply with the standard without any measurements Conclusion:
PASS
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4.5 Voltage fluctuations (Flicker)
Standard EN 61000-3-3
Port AC Mains supply
Voltage 230 VAC
Mode On mode with max. power wastage (model KLP350x3)
Equipment intended to be connected to 230/400 V, 50 Hz supply systems may not produce voltage fluctuations in the supply systems due to variation of the input current above the limits as stated below.
PST ≤ 1
PLT ≤ 0,65
dt > 3,3% ≤ 500 ms
dC ≤ 3,3%
dMAX ≤ 4%
Results Because of the low power rating (less than 25 W), the EUT is unlikely to produce significant voltage fluctuations or flicker, the flicker testing is not necessary. Conclusion:
PASS
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5 IMMUNITY TEST RESULTS
5.1 Electrostatic discharge immunity Electrostatic discharges (ESD) are the result of persons or objects that accumulate static electricity due to for instance walking on synthetic carpets. The ESD can influence the operation of equipment or damage its electronics, either by a direct discharge or indirectly by coupling or radiation. Both effects are simulated during the tests. Requirements
Standard EN 61547
Basic standard EN 61000-4-2
Port Enclosure
Performance criterion B; During the test degradation is allowed. No change of operating state or stored data is allowed.
Air discharges 8 kV
Contact discharges 4 kV
Mode On mode with max. power wastage (models KLP700 and KLP350x3)
Performed tests
Air discharges 4 kV � 8 kV 15 kV xx kV
Contact discharges 2 kV � 4 kV 8 kV xx kV
Via coupling planes � Horizontal � Vertical
Polarity � Positive � Negative
Set-up � Table-top Floor standing
Ambient temperature 21 °C
Relative Humidity air 49%
Observations During the test no loss of performance was observed. After the test the EUT functioned as intended. No unacceptable loss of performance was observed. Conclusion:
PASS
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5.2 Radiated EM field immunity During the test it is verified if the equipment under test has sufficient immunity against radiated electromagnetic fields. Walkie-talkies, radio transmitters, television transmitters, and telecommunication equipment including cellular telephones and other emitting devices, like industrial electromagnetic sources can generate these fields Requirements
Standard EN 61547
Basic standard EN 61000-4-3
Port Enclosure
Performance criterion A; Operation as intended
Frequency range 80 - 1000 MHz
Modulation 1 kHz – 80% AM
Fieldstrength 3 V/m
Performed tests
Frequency range 80 - 1000 MHz
Tested Fieldstrength 3 V/m
Dwell time 1 second
Test set-up Full Anechoic Chamber
Mode On mode with max. power wastage (models KLP700 and KLP350x3)
Observations During the test no loss of performance was observed. After the test the EUT functioned as intended. No unacceptable loss of performance was observed. Conclusion:
PASS
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5.3 Electrical Fast Transient immunity The EFT immunity test simulates disturbances by bursts of very short transients caused for example by switching off loads such as an AC motor or bouncing relay contacts. The transients are likely to disturb electronics but less likely to cause damage. Requirements
Standard EN 61547
Basic standard EN 61000-4-4
Performance criterion B; During the test degradation is allowed. No change of operating state or stored data is allowed.
Pulse characteristics 5/50 ns
Peak Voltage; Port 1kV; AC input power port
Repetition frequency � 5 kHz 2,5 kHz
Performed tests
Tested Voltage; Port 1kV; AC input power port
Mode On mode with max. power wastage (models KLP700 and KLP350x3)
Injection method � CDN Capacitive clamp Polarity � Positive � Negative
Set-up � Table-top Floor standing
Observations During the test no loss of performance was observed. After the test the EUT functioned as intended. No unacceptable loss of performance was observed. Conclusion:
PASS
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5.4 Surge transient immunity The surge transient immunity test simulates the surges that are caused by overvoltages due to indirect (induced) lightning transients. The pulse is a slow transient with high-energy contents and due to its long duration may cause damage to an unprotected EUT. Requirements
Standard EN 61547
Basic standard EN 61000-4-5
Performance criterion B; During the test degradation is allowed. No change of operating state or stored data is allowed. C; Temporary, self-recoverable loss of function is allowed.
Pulse characteristics 1,2/50 µs0,5
Peak Voltage; Port 0,5kV; AC input power port (line to line)
Performed tests
Tested Voltage; Port 0,5kV; AC input power port (line to line) Mode On mode max. power wastage (models KLP700 and
KLP350x3)
Polarity � Positive � Negative
Observations During the test no loss of performance was observed. After the test the EUT functioned as intended. No unacceptable loss of performance was observed. Remarks: Please see the detailed test data in the following page.
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EUT No. KLP350x3 Power supply 230 V 50 Hz Port AC input power port Result Pass
Coupling mode
Polarity Phase angle
Impulse Impulse voltage (kV)
Remarks
+ 0 5 0,5 A + 90 5 0,5 A + 180 5 0,5 A + 270 5 0,5 A - 0 5 0,5 A - 90 5 0,5 A - 180 5 0,5 A
L - N
- 270 5 0,5 A
+ 0 5 1,0 -- + 90 5 1,0 -- + 180 5 1,0 -- + 270 5 1,0 --
- 0 5 1,0 -- - 90 5 1,0 -- - 180 5 1,0 --
L - PE
- 270 5 1,0 --
+ 0 5 1,0 -- + 90 5 1,0 -- + 180 5 1,0 -- + 270 5 1,0 -- - 0 5 1,0 -- - 90 5 1,0 -- - 180 5 1,0 --
N - PE
- 270 5 1,0 --
A During the test no change of the luminous intensity shall be observed and the regulating control.
B During the test degradation is allowed. No change of operating state or stored data is allowed
Remark
C Temporary, self-recoverable loss of function is allowed.
Table 1
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EUT No. KLP700 Power supply 230 V 50 Hz Port AC input power port Result Pass
Coupling mode
Polarity Phase angle
Impulse Impulse voltage (kV)
Remarks(refer to table 1)
+ 0 5 0,5 A + 90 5 0,5 A + 180 5 0,5 A + 270 5 0,5 A - 0 5 0,5 A - 90 5 0,5 A - 180 5 0,5 A
L - N
- 270 5 0,5 A
+ 0 5 1,0 -- + 90 5 1,0 -- + 180 5 1,0 -- + 270 5 1,0 --
- 0 5 1,0 -- - 90 5 1,0 -- - 180 5 1,0 --
L - PE
- 270 5 1,0 --
+ 0 5 1,0 -- + 90 5 1,0 -- + 180 5 1,0 -- + 270 5 1,0 -- - 0 5 1,0 -- - 90 5 1,0 -- - 180 5 1,0 --
N - PE
- 270 5 1,0 --
Table 2
Conclusion:
PASS
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5.5 RF Conducted immunity During this test the immunity of the equipment for induced or conducted electromagnetic fields is checked. Fields generated by radio and other transmitters cause RF voltages in long cables like the mains network. This test reproduces these induced disturbing voltages by injecting them to the EUT via the cabling. Requirements
Standard EN 61547
Basic standard EN 61000-4-6
Performance criterion A; Operation as intended
Frequency range 0,15 – 80 MHz
Modulation 1 kHz – 80% AM
Test level; Port 3V; AC input power port
Performed tests
Tested level; Port 3V; AC input power port Mode On mode max. power wastage (model KLP350x3)
Frequency range 0,15 – 80 MHz Dwell time 1 second
Injection method � CDN-M2 EM clamp
Observations During the test no loss of performance was observed. After the test the EUT functioned as intended. No unacceptable loss of performance was observed. Conclusion:
PASS
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5.6 Power supply interruptions and dips Requirements
Basic standard EN 61000-4-11
Performance criterion B; During the test degradation is allowed. No change of operating state or stored data is allowed. C; Temporary, self-recoverable loss of function is allowed.
Standard EN 61547
C UNOM – 30% (10 periods) AC input power port
C UNOM – 100% (0,5 period)
Performed tests
Tested voltage AC input power port, 240 VAC Mode On mode max. power wastage (model KLP350x3)
UNOM – 30% (10 periods) AC input power port
UNOM – 100% (0,5 period)
Observations After the test the EUT functioned as intended. No unacceptable loss of performance was observed. Conclusion:
PASS
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6 IDENTIFICATION OF THE EQUIPMENT UNDER TEST The photograph shows the tested device.
Figure 4 Conducted Emission test setup
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Figure 5 Radiated Emission test setup
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7 OPERATING MANUAL OF ELECTRONIC TRANSFORMER
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