This standard specifies the performance requirements for electronic step-down converters that use a DC power supply of less than 250V and an AC power supply of 50Hz or 60Hz, less than 1 000V, and whose operating frequency is different from the power supply frequency. Such converters should be used with halogen lamps and other tungsten filament lamps specified in IEC 30657. GB/T 19654-2005 Lamp accessories Performance requirements for DC/AC electronic step-down converters for tungsten filament lamps GB/T19654-2005 Standard download decompression password: www.bzxz.net

ICS29.140.30
National Standard of the People's Republic of China
GB/T 19654-2005/IEC 61047:1991 Accessories for lamps
D, C. or A, C, supplied electronic step-down converters for filament lamps--Performance reguirements
(1EC 61047:1991.IDT)
Released on January 18, 2005
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Standardization Administration of China
Implementation on August 1, 2005
CB/T19654—2005/IEC61047:1991 This standard is equivalent to IEC1347991* Accessories for lamps, Performance requirements for AC:DC step-down converters for tungsten filament lamps and its 1996 and 2001 network revisions (English version). This standard is equivalent to the translation of IF:61047:1191's two 1996 and 2001 revisions. In order to facilitate the use of this standard, the following editorial revisions have been made: a) The decimal point "" is replaced by "","; b) The term "this international standard" is changed to "international standard"; c) The prefix of the international standard is deleted:
) For other international standards cited in C61047 that have been adopted as Chinese standards, this standard uses these national standards or industry standards of my country to replace the corresponding international standards. The rest of the international standards that have not been adopted as Chinese standards are directly cited in this standard:
Appendix A of this standard is the specification Appendix B is an informative appendix. This standard was proposed by the China Light Industry Federation: This standard is the National Technical Committee for Standardization of Lighting Appliances (SA/T224: ). This standard was issued by Huizhou TL. Lighting Appliance Co., Ltd., National Electric Light Source Supervision and Inspection Center (Shanghai), Feigangpu Lighting Electronics (Shanghai) Co., Ltd., Tuhai Dongsheng Electronics Co., Ltd., and East China Electric Power Collection Co., Ltd. The main drafters of this standard are Zou Ying, Yu Anqi, Daodening, Mao Xiaogu, Fan Hongmei, and Li Yuren. This standard is formulated for the purpose of GB/T 19654--2005/1EC. 61047:1991 Lamp accessories Performance requirements for DC/AC electronic step-down converters for tungsten filament lamps
1 Scope and normative references
1.1 Scope
This standard specifies the performance requirements for electronic step-down converters using a DC power supply below 250V and an AC power supply of 50Hz or 60Hz.1000V or above, with an operating frequency equal to the power supply frequency. Such converters should be used with halogen lamps and other tungsten filament lamps specified in IEC60357.
Note 1: The tests in this standard are all type tests. Test requirements for individual converters during production have not yet been given. Note 2: Requirements for converters equipped with devices that can change the lamp power are still under study. Note %; It can be expected that converters that meet this standard can ensure normal operation when the rated life exceeds 20)h and the rated voltage is less than 92% and 106% of the rated power of 51V tungsten filament lamps.
This standard should be used together with GB19510.3. 1. 2 Normative references
The clauses in the following documents become the clauses of this standard through the reference of this standard. For all the referenced documents with a date, all the subsequent amendments (excluding the inclusion of errata) or revisions are not applicable to this standard. However, the parties who reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For all the referenced documents without a date, the latest versions are applicable to this standard. GR 17625.1 Electromagnetic compatibility limits Harmonic current emission limits (equipment input current per phase 16A) (GB17625.12003, IFC 61000-3-2:2001.IDT) G3/T18595-General lighting equipment electromagnetic compatibility immunity requirements (GB/18595-2002.idt1EC61547:1995) (GJ3115I0), 3 Lamp control devices Part 3: Special requirements for DC/AC electronic step-down converters for tungsten filament lamps (GB 19510. 3—2004, IEt? G1347-2-2; 2000, IDT) IEC60357 Performance requirements for tungsten halogen lamps (for non-motor vehicles) IEC:60410 Sampling plans and procedures for counting inspection 2 Text
This standard adopts the following definitions:
Total line power tntal cireit power The total power consumed by the converter and the lamp at the rated supply voltage and rated maximum output load of the converter, 2.2
The symbol for line power factor is circuit power factor, symbol The power factor of a circuit is the ratio of the measured line power to the product of the supply voltage (effective value) and the supply current (effective value): 2.3
High power factor converter highpowerfaetorconvertor A converter with a line power factor of at least 0.85, Note: The power factor value takes into account the influence of current waveform distortion. 2.4
High audio-frequency impedance converter high audio-frequency impedance converter Converter whose impedance exceeds the value specified in clause 10 of this standard in the frequency range of 250Hz to 2000Hz. GB/T 19654--2005/IEC: 61047:1992.5wwW.bzxz.Net
Short-circuit proof converter Converter which retains its function after the removal of an unexpected overload or short-circuit and after the protection device (if any) has been restored to its original state.
3 General description of tests
3.1 The tests specified in this standard are all type tests. Note: The requirements and tolerances stated in this standard are based on tests on type test samples submitted specifically for this purpose by the manufacturer. Such type test samples should generally have typical characteristics of the manufacturer's products and should be as close as possible to the center point value of the product. With regard to the tolerances given in this standard, it can be expected that most products will conform to this standard only if they are produced in accordance with the type test samples. However, due to the discreteness of the product, it is inevitable that products that exceed the specified tolerance range will appear. For sampling plans and explanations of counting inspection, see IEC30410. 3.2 When testing with one or more lamps, the lamps used shall meet the following requirements: the difference between the lamp power measured at the rated voltage of the lamp (DC power supply or 50Hz/60Hz AC power supply) and its rated power shall not exceed 10% and 10%.
3.3 The tests shall be carried out in the order of the clauses, unless otherwise specified. 3.4 One sample shall withstand all tests. 3.5 In general, all tests shall be carried out on each type of converter. In the case of converters of similar range, all tests shall be carried out on converters of each rated power in the range or on representative converters selected from the range approved by the manufacturer. 3.6 The tests shall be carried out under the conditions specified in Appendix A. Lamp parameters not listed in the IEC standard shall be provided by the lamp manufacturer. 3.7 All converters described in this standard shall comply with the requirements of GB195[0.3. Manufacturers can declare that their products meet the requirements of GB/T18395 and do not need to be approved by a third party that agrees to this standard. 4 Classification
4.1 Classification based on load
a) Single-value load converter
This converter is designed to use only a specific output power, which can be consumed by a lamp or several lamps.
b) Multi-load converter
This converter is designed for a single lamp or several lamps whose total load is within the declared power range. 4.2 Classification based on output voltage
a) Converter with a fixed output voltage:
1) Converter without a stable output voltage. 5 Marking
5.1 Mandatory marking
5.1.1 The converter shall be clearly marked with the following: Line power factor; for example: 1-0.9
If the power factor is less than 0.95 and leading, it shall be followed by the letter \C\, for example: -0.9. 5.1.2 In addition to the mandatory markings mentioned above, the following shall also be marked on the converter or stated in the manufacturer's product catalog or similar document.
a) The applicable limits of the permissible temperature range;
b) The applicable statement that the converter has a stable output current; C) The applicable statement that the converter is suitable for use with a mains dimmer: 5. 2 Non-mandatory markings
GB/719654--2005/1HC61047:1991 The following may be marked on the converter or stated in the manufacturer's product catalog or similar document: a) Total line power:
b) The applicable symbol indicating that the converter is designed to comply with the frequency link resistance conditions; c) The applicable symbol indicating that the converter is a short-circuit proof converter (this symbol is still under study). 6 Output voltage and current 6.1 Open circuit voltage At supply voltages between 92 % and 106 % of the rated supply voltage, the open circuit voltage shall not exceed 150 % of the rated output voltage. If the output voltage exceeds 150 % of this rated value, the measurement shall be repeated and the converter shall be connected in parallel with a resistor having a resistance calculated by equation (1): (Volt) 0.1 X Prar where: declared minimum power of the converter In this case, the output voltage shall not exceed 150 % of its rated value 6.2 Voltage during operation At rated supply voltage, the output voltage shall not deviate from the rated voltage of the lamp by more than ten percent (1). At supply voltages between 92 % and 106 % of the rated supply voltage, the output voltage shall be between 81 % and 110 % of its rated value.
Multi-value converters shall be subjected to the maximum negative reverse test with minimum load. If the manufacturer claims that the converter has a stable output voltage, the output voltage shall be limited to between 92% and 105% of its rated value when the supply voltage is the lower of 92% and 106% of the rated supply voltage and when the pole and load are both within the specified power range.
6.3 The voltage surge during switching and during operation superimposed on the voltage surge at the input shall not exceed the following specified value (this value is still under study). 6.4 The maximum ratio of the peak value to the effective value of the voltage waveform
shall not exceed 2.5 (this value is still under study). 6.5 Surge current
At the rated supply voltage, the peak surge current of the lamp shall not exceed 10 times the steady-state effective value lamp current under any load within the specified power range (this value is still under study). For the following test conditions, see A.3. Total line power
When the converter and the lamp are operated together at rated voltage, the total line power shall not exceed 110% of the value stated by the manufacturer. 8
Line power factor
When the converter and the rated output lamp are operated at rated voltage and frequency, the measured line power factor shall not differ from its marked value by more than 0.05
Power supply current
9.1When the converter and the rated power lamp are operated at rated voltage, the power supply current shall not differ from the current marked on the converter or the current declared in the manufacturer's product catalog by more than 109.2Power supply current waveform
GB/T 19654—2005/IHC 61047 :1991 The harmonics of the input current of the lamp shall comply with the requirements of GB17625.1. Note: The above requirements apply to lamps or converters connected to the power supply specified in GB17625.1. If the independent test with lamps shows that the converter for tungsten lamps meets the requirements specified in the table of GB17625.1, the lamp can be considered to meet these requirements and does not need to be inspected. The manufacturer shall indicate whether the tested converter is subject to the following test. If these converters have not been verified individually or do not meet the requirements, the lamp itself shall be tested to meet the requirements. The test shall be carried out in accordance with the requirements of Appendix A, A.2: The converter shall operate with a lamp of rated power at its rated power supply voltage. The waveform of the power supply current shall be such that the harmonics do not exceed the board limit values ​​given in the corresponding parameter table of GB17625.1↓+. 10 Impedance at audio frequency
Converters marked with audio impedance symbols (see 5.2b) shall be tested in accordance with the requirements of Appendix A, A.1 using the circuit of Figure A.2. For 100 For each signal frequency between 250 Hz and 2000 Hz, the impedance of the converter when operating at rated voltage and frequency with rated lamp load shall be inductive and its impedance in ohms shall be at least equal to the resistance of the following resistor, which dissipates the power equal to the power dissipated by the lamp/converter combination operating at rated voltage and frequency. When measuring the impedance of the converter, a signal voltage equal to 3.5 times the rated supply voltage of the converter shall be used. For rated frequencies between 250 Hz and 400 Hz, the impedance shall be at least equal to the minimum interference value required for frequencies between 400 Hz and 2000 Hz:
Note: The converter may be equipped with a radio interference suppressor consisting of a capacitor with a capacity of less than 0.2 μF (total) + the suppressor may be disconnected during this test.
11 Operation under abnormal conditions
To ensure that the converter is not damaged in the event of a lamp failure, the following tests shall be carried out: a) Test without lamp
Without lamp installed, the converter is connected to rated voltage for 1 hour. After the test, the lamp is connected to the converter. The lamp should work normally. ) Test of lamp resistance reduction, which is still under study. ) Test of short-circuit-proof converter
The converter is short-circuited for 1 hour or until the protection device opens the circuit. After these tests are completed and the protection device is reset, the converter should work normally. 12 Durability
12.1 The converter shall be subjected to the following temperature cycle impulse test and power medium voltage switch test: a) Temperature cycle impulse test
First, the converter without power is stored at -10℃ for 1 hour. If the converter is marked with a lower temperature value, this temperature value shall be used. Then, move the converter to a box with a temperature of (.) and keep it for 1 hour. This temperature cycle is performed five times.) Power supply voltage switch test
At the rated power supply voltage, turn the converter on and off for 30 seconds. This test is repeated 200 times without load and 800 times with the maximum load connected. During this test, if the lamp fails, it should be replaced immediately. At the end of these tests, the converter shall enable one or more applicable lamps to operate normally for 15 min. 12.2 The converter is then operated with the applicable lamp at rated supply voltage and at an ambient temperature capable of producing 1°C for a test period of 200 min. During this test, the lamp shall be placed outside the test cabinet in an environment with a condensation temperature of 25°C. After the test is completed and the converter has cooled to room temperature, the converter shall enable the applicable lamp to operate normally for 15 min. A. General requirements Appendix A (Normative Appendix) All tests are type tests. Samples shall be used for all tests 4.1.1 Ambient temperature GB/T19654—2005/IEC 61047:1991 The test shall be carried out in a room with no convection and at an ambient temperature between 20°C and 27°C. A.1.2 Power supply voltage and frequency
) Test voltage and frequency
The converter under test shall operate at its rated power supply voltage and frequency. However, unless otherwise specified: When the converter is marked with a power supply voltage range or has different independent rated reverse power supply voltages, the voltage used can be selected as the rated voltage. h) Stability of power supply voltage and frequency
During the test, the power supply voltage and frequency shall remain stable and their changes shall not exceed 10.5. c) Power supply voltage waveform
The total harmonic content of the power supply voltage shall not exceed 3%. The harmonic content is defined as the sum of the effective values ​​of each component, and the fundamental wave is 160%
A.1. 3 Magnetic effect
No magnetic object should be placed within 25 mm of the outer surface of the test converter, except as otherwise specified: A.1.4 Instrument characteristics
) Voltage circuit
The current passing through the voltage circuit of the instrument connected to the lamp network terminal shall not exceed about 3% of the nominal operating current of the lamp. b) Current circuit
The instrument connected to the lamp has a sufficiently low impedance so that the output voltage drop is less than 2% of the actual voltage of the lamp) The measurement of the effective value
The instrument should be basically free of errors caused by output waveform distortion and should be adapted to the operating frequency. Care should be taken to ensure that the instrument's capacitance to ground does not interfere with the operation of the converter under test, and that the test point of the circuit under test is at ground potential.
A,2 Test box for power supply current waveform (Figure A.1) The harmonic components of the power supply current are determined using a selective voltmeter or waveform analyzer. The resistor R in the circuit complies with the requirements of A.1.1 h). The selective voltmeter or waveform analyzer shall ensure that the measurement of any harmonic is not significantly affected by other harmonics! When calculating the test results, a maximum of 3% power supply distortion shall be taken into account (see A.1.2). In case of doubt, an undistorted power supply shall be used: A.3 Measurement of the inrush current of the lamp (Figure 4.1) A resistor R with a resistance of approximately C.01 and a suitable measuring device shall be used to determine the value of the inrush current of the lamp. GB/T19654—2005/IEC61047：1991A.4 Measurement of audio frequency impedance (Figure A.2)
The circuit of Figure A.2 shows a complete bridge which can fully measure the audio frequency impedance of the lamp/converter assembly. It can measure both its absolute value (coefficient) and its change. Assuming that R and R\ represent the values ​​of the electrical equipment shown in the circuit diagram, the values ​​are 500 2COkQ respectively (at least the latter is not a critical value). For a given audio frequency selected by a waveform analyzer (or its optional selective detector), balance can be obtained by adjusting R. At this time, the formula (A.1) is obtained:
Z -- R'R\(I/Rj)
In Figure A.2;
A—50(60)Hz power transformer:
2: Impedance values ​​high enough for 50(60)Hz and low enough for 230Hz~2000Hz (e.g. resistor 15Ω, capacitor 16±F).
Z: Impedance values ​​low enough for S0(60)Hz and high enough for 25Hz~2000)11z (e.g. inductor 20mH)
Note: If the corresponding source has low impedance for the current of other sources, then impedance 2, and or positive impedance Z are not required. Converter
Selective voltmeter or waveform analyzer
Shenmeng 50 (60)
(Pulse) generator
250 112 ~ 2 00 H
Current measurement circuit
Filter 60 (60)-4
Converter·lamp combination
Selective voltmeter or waveform analyzer
Note, for each branch of the bridge, 0)k resistance is not a limit value, Figure A.2 Measurement circuit of audio impedance
Appendix B
(Informative aggregation)
GB/T19654—2005/EFC:61047:1991 Guide to the evaluation of product life and product failure rate B. In order to enable users to make meaningful comparisons between the life and failure rates of different electronic products, it is recommended that manufacturers provide B. 2 in their product manuals. and the parameters specified in R.3. B.2 The maximum temperature of the electronic product is 1 (tifetite), or the maximum local temperature that will affect the life of the product. These temperatures should be measured under normal operating conditions and at the maximum current of the nominal voltage or rated voltage range. This temperature should make the product life reach 50000h
Note: In some countries such as Japan, 4w life is adopted. B.3 If the failure rate is the failure rate of the electronic product when it is continuously operated under the maximum temperature (exceeding the B.2 specification), the failure rate should be marked as failures per unit time (i)
B.4 For other methods (mathematical analysis, reliability test, etc.) used to obtain the data given in B.2 and B.3, if necessary, the manufacturer should provide comprehensive data that details this method.
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