This standard specifies the classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of LC peak leading ballasts for single-ended metal halide lamps with AC power supply below 1000V and 50Hz. This standard is applicable to LC peak leading ballasts for single-ended metal halide lamps with a power supply of 175W to 1500W (hereinafter referred to as "ballasts"). This standard is used together with GB14045. QB/T 2511-2001 Performance requirements for LC peak leading ballasts for single-ended metal halide lamps QB/T2511-2001 Standard download decompression password: www.bzxz.net

Classification No. K74
Registration No. 9108—2001
Light Industry Standard of the People's Republic of China
QB/T2511-2001
eqv ANSI C78. 1375~1379-1997 Performance Requirements for LC Peak Leading Ballasts for Single-ended Metal Halide Lamps
Published on 2001-07-16
China Light Industry Federation
Yi Xiaoniu
Implementation on 2001-11-01bZxz.net
QB/T2511—2001
This standard is equivalent to the American national standard ANSI C78.1300 series "Single-ended Metal Halide Lamps", and is formulated in combination with the specific conditions and test verification data of the varieties and quality levels of ballasts for lighting metal halide lamps in my country. This standard specifies the performance requirements of LC peak leading ballasts for 175, 250, 400, 1000, 1500W single-ended metal halide lamps (sodium series).
Appendix A of this standard is the appendix of the standard.
This standard is proposed by the General Business Department of China Light Industry Federation. This standard is under the jurisdiction of the National Electric Light Source Standardization Center. This standard was drafted by Fujian Yuanguang Yaming Electric Co., Ltd. and Beijing Electric Light Source Research Institute. Drafters of this standard: Zhang Hequan, Wang Dayou, Zhang Geruo, Wang Xiaoying, Liu Shiping, Zhang Yipeng. Light Industry Standard of the People's Republic of China
Performance requirements of LC peak leading ballasts for single-ended metal halide lamps
1 Scope
QB/T2511-2001
eqv ANSIC78. 1375~1379-1997
This standard specifies the classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of LC peak leading ballasts for single-ended metal halide lamps with AC power supply below 1000V and 50Hz. This standard is applicable to LC peak leading ballasts for single-ended metal halide lamps with a power supply of 175W~1500W (hereinafter referred to as "ballasts").
This standard is used together with GB14045.
2 Referenced standards
The provisions contained in the following standards are used in this standard through the reference number! The provisions of this standard are constituted by the use of the following. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest versions of the following standards.
Packaging storage and transportation pictorial signs
GB191-2000
Counting sampling procedures and sampling tables for batch inspection (applicable to continuous inspection)GB/T2828--1987
GB/T 2829-1987
Counting sampling procedures and drag sampling tables for periodic inspection (applicable to the inspection of production process stability)GB/T7451-1987
GB 14045--1993
Terms of electric light sources
General requirements and safety requirements for ballasts for discharge lamps (except tubular fluorescent lamps) GB/T15042-1994
GB17625.1-1998
Performance requirements for ballasts for high-pressure sodium lamps
Limits of harmonic currents emitted by low-voltage electrical and electronic equipment (equipment input current per phase ≤16A)
General requirements and safety requirements for capacitors for tubular fluorescent lamps and other discharge lamp circuits GB18489-2001
GB/T18504-2001
Performance requirements for capacitors for tubular fluorescent lamps and other discharge lamp circuits 3 Definitions
In addition to the definitions in GB/T7451, this standard also adopts the following definitions. 3.1 Current slope di/dtcurrent slope The slope of the lamp current when the current passes through the zero point at the end of each half cycle, see Figure 1. At "90% of the rated input voltage, a 52±2% non-inductive load resistor is connected in parallel to the ballast output terminal for measurement. 3.2. Off-current time OT..currentofftime The period of time when the lamp current is close to the end of the half cycle and the current value is equal to or close to zero. It is specifically defined as: the time interval between the intersection of the tangent of the positive half cycle of the current curve and the tangent of the low current trajectory and the end of the positive half cycle, see Figure 1. At 90% of the rated input voltage, a 52±2% non-inductive load resistor is connected in parallel to the ballast output terminal for measurement. 3.3 Overshoot current Os currentovershootThe overshoot amplitude of the lamp current waveform during the off time. OS is the average of the two half-cycle overshoot values ​​OS1 and OS1, see Figure 2. At 110% of the rated input voltage, it is measured with a 0.30% non-inductive load resistor connected to the ballast output. 3.4 Peak current Iokpeakcurrent
The maximum current flowing through the bulb with a 52% non-inductive load current
, see Figure 2. At 110% of the rated input voltage, it is measured with a resistor connected in parallel to the ballast output.
3.5 Maintaining voltage Vsssustai ningvoltageWhen the lamp current passes through zero, the ballast provides the lamp with a restart voltage, see Figure 4.3.6ExtinctionvoltageThe power supply voltage drops from the rated voltage value at a rate of 2% to 3% per second to the voltage value when the reference lamp is extinguished.
3.7Regulation
When the power supply voltage changes to the upper or lower limit of the rated voltage, the percentage change in lamp power. 4Product classification
4.1·Ballasts are divided into the following according to the installation method: a) Independent type;
b) Built-in type;
c) Integral type.
4.2 Ballast model
××××
LC peak leading type
Matching lamp power
Metal halide lamp
5 Technical requirements
Normal working conditions of ballast
5.1.1 Ambient temperature: =30℃～+40℃. 5.1.2 ＇ Ambient relative humidity: not more than 90% at 25℃. 5.1.3· The power supply voltage fluctuation range is 92%~106% of the rated voltage. 5.1.4 There is no corrosive, explosive, flammable gas and conductive dust in the ambient air. 5 .1.5 Install in a place without severe vibration and impact. 5.2 Ballast appearance requirements
5.2.1 The surface of the ballast should be flat and smooth, without pen punctures and gaps. 5.2.2 The paint film should not have partial peeling, bottom exposure and hanging flow. The electroplating of the ballast should be smooth and bright, without water marks and rust marks.
5.3 Basic electrical parameters of the ballast
At the rated frequency of 50Hz, the rated voltage of 220V, and the ambient temperature of (25±5)℃, the basic electrical parameters of the ballast QB/T2511-2001
(unless otherwise specified) should comply with the provisions of Table 1. Specifications
Equipped lamp power
Lamp working current.
Lamp starting current
Extinguishing voltage
Note: 1. The input current of the ballast during operation is determined by the manufacturer. 2. The starting current value supplied by the ballast to the lamp is measured within the range of 92%~106% of the rated voltage. 3. W is the measured lamp power.
Output voltage of the ballast
Minimum open-circuit voltage output by the ballast
When the power supply voltage is 92% of the rated value, its effective value and waveform factor shall comply with the provisions of Table 2. Maximum open-circuit voltage output by the ballast
When the power supply voltage is 106% of the rated value, its effective value and peak value shall comply with the provisions of Table 2. Minimum open circuit voltage
Effective micro
280 (260)
300(260)
295 (275)
380 (360)
410 (390)
Waveform factor
Line power factor
Maximum open circuit voltage
Effective value V
Peak value (within one second)
Note: The minimum open circuit voltage effective value can decrease by 10V for every 0.1 increase in voltage waveform factor, but the minimum should not be lower than the value in brackets. 5.5
Starting current waveform characteristics
Starting current waveform characteristics shall comply with the provisions of Table 3, and the typical waveforms are shown in Figures 1 and 2. Specifications
Current slope di/dt
Ams, min
Off-current time OT
ms, max
Peak current Ipk
A, max
Overshoot current OS
mA, max
QB/T2511-2001
Current waveform on resistor R2 at 90% of rated voltageos
Figure 2: Current waveform on resistor R at 110% of rated voltage5.6 Minimum maintenance voltage Vs
In order to ensure that the single-ended metal halide lamp can be reliably ignited at the lower limit of the rated voltage range, the ballast shall provide a minimum maintenance voltage V to the lamp, and the voltage value shall not be less than the provisions of Table 4. The data in Table 4 are calculated using equations (1) to (4). 175W, 250W:
400W:
Vss = 278+ 29(OT) -115(di/dt)Vss = 245+24.7(OT)-18.7(di/dt)Vs = 278+27.6(OT)-4,15(di/dt)Vs = 59 + 44(OT)+ 745expl-0.41(di/dt)Table 4
（2）
（3）
In formulas (1) to (4):
QB/T 2511--2001
Table 4 (continued)
-Minimum maintaining voltage, V:
-Current interruption time, ms;
Current slope, A/ms.
：251
5.7 Starting current of lamp
QB/T2511-2001
When the power supply voltage is within the range of 92% to 106% of the rated value, the starting current supplied by the ballast to the lamp shall be within the range given in Table 1.
5.8 Normal operating current supplied by the ballast to the lamp 5.8.1 Lamp operating current
The ballast under test works with the reference lamp at the rated frequency and rated voltage. The deviation between the operating current supplied by the ballast to the lamp and the rated operating current value given in Table 1 shall not exceed 5%. 5.8.2 Lamp operating current waveform factor
The ratio of the peak value to the effective value in the normal operating current waveform provided by the ballast under test to the reference lamp shall not exceed 1.8 when the power supply voltage is in the range of 92% to 106% of the rated voltage.5.9. Ballast power output to the lamp
5.9.1 When the reference lamp is ignited by a ballast operating at the rated input voltage, the power of the lamp shall not differ by more than ±5% compared with the power given to the same lamp by the reference ballast at the same ignition position. Similarly, when the reference lamp is ignited by a ballast operating in the input voltage range of 92% to 106% of the rated value, the power of the lamp shall not differ by more than 15% compared with the power provided to the reference lamp by the reference ballast.
5.9.2 Ballast Regulation
When the rated voltage varies within the range of 92% to 106%, the lamp power variation shall be no greater than ±10% when the rated power is not greater than 400W; and no greater than ±15% when the rated power is not less than 1000W. 5.10 Power Consumption
At rated voltage, when the ballast works in conjunction with the reference lamp, the power consumption of the ballast shall comply with the provisions of Table 1. 5.11 Ballast Input Current
5.11.1, at rated voltage, the deviation of the ballast input current from the nominal value given by the ballast manufacturer shall be no greater than +5%.
: At rated voltage and rated frequency, when the ballast under test works in conjunction with the reference lamp until it is stable, the 5.11.2
harmonic components in the power supply current shall comply with the provisions of Table 5.
Harmonic number
11≤n≤39. (n is only the second harmonic)
Note: * is the line power factor.
5.12 The ballast's extinguishing voltage should be less than the provisions of Table 1. 5.13 Matching capacitor
Maximum value (percentage of fundamental amplitude)2
30 yuan*
5.13.1 The capacitor should meet the requirements of GB18489· and GB/T18504. 5.13.2 Capacitor voltage
When the ballast is working stably at 106% of the rated input voltage, the measured voltage of the matching capacitor should not be greater than its nominal voltage.
5.14 Line power factor
QB/T2511-—2001
When the ballast and the reference lamp are working together at the rated voltage input, the line power factor should not be less than 0.85. 5.15 Noise
When the ballast and the lamp are working together at the rated voltage and rated frequency, the noise measured at 1.000mm away from the edge of the ballast should not be greater than 35dB (A sound level). 5.16 Magnetic protection
The ballast should have effective magnetic protection.
6 Test method
6.1 Test conditions
The test should be carried out under the following conditions (unless otherwise specified). 6.1.1 The accuracy of the voltage meter, current meter and power meter used in the test shall not be less than 0.5 level; a wave carrier with input capacitance less than 20pF, impedance greater than 1MQ, frequency greater than 20MHz and input error less than ±5% shall be used; the test resistor shall be a non-inductive low temperature coefficient resistor and be able to withstand the short-circuit current of the ballast under test. 6.1.2. The reference ballast used in the test shall comply with the requirements of Appendix A, and the reference lamp used in the test shall comply with the requirements of Appendix B of GB/T15042-1994.
6.1.3 In order to ensure that the electrical parameters of the reference lamp are always stable, the lamp shall be installed vertically and its position in the lamp holder shall remain unchanged. 6.1.4 For general requirements for testing, see Appendix C of GB/T15042-1994. 6.2 Appearance (5.2) and marking (8.1) of the ballast. The appearance and marking of the ballast shall be inspected by visual inspection. 6.3 Ballast output voltage (5.4) inspection According to Figure 3, use an oscilloscope to measure the output open circuit voltage peak value, adjust the voltage to 92% and 106% of the rated value, and measure the effective value and peak value of the output voltage at the corresponding input voltage on the voltmeter V and oscilloscope respectively. The ratio of the peak value to the corresponding effective value is the voltage waveform factor. The maximum open circuit voltage and the minimum open circuit voltage should meet the values ​​specified in Table 2 respectively.
6.4 Measurement of starting current waveform characteristics (5.5) 6.4.1 Measurement of current slope dildt and interruption time OT Connect a R=52±2% non-inductive resistor in parallel to the output end of the ballast under test as a dummy load, adjust the input voltage to 90% of the rated value, connect the oscilloscope Y probe to both ends of the resistor, use the DC input mode, adjust the "vertical gain" so that the waveform trace zero crossing point is close to a straight line, and measure the dildt and OT values ​​as defined, see Figure 1. 6.4.2 Measurement of overshoot current OS
Connect a R0.32±2% non-inductive resistor in parallel to the output end of the ballast under test A resistor is used as a dummy load, and the input voltage is adjusted to 110% of the rated value. The shape of the resistor at both ends on the oscilloscope is observed, and the OS value is measured according to the definition, as shown in Figure 2. 6.4.3 Measurement of peak current I
Connect only R=52±2% non-inductive resistor across the output end of the ballast under test as a dummy load, input 110% of the rated voltage, and record the maximum value of the current waveform on the oscilloscope as the peak current, as shown in Figure 2. 6.4.1, 6.4.2, and 6.4.3 are all connected according to Figure 3. The resistance value of Rz is changed each time the measurement is made. The test results of dildt, OT, OS, and Ik should comply with the provisions of Table-3. QB/T2511-±2001
Connect to oscilloscope. "I" probe
Connect to oscilloscope "ground"
Connect to oscilloscope "I" probe
Connect to oscilloscope external synchronous signal probe
TAC voltage regulator: Tar.T, isolation transformer: KK2-switch MV2-AC voltmeter; C-ballast matching capacitor; R-fake fish load L-splashed ballast: R-discharge resistor. 6.5 Minimum maintenance voltage. Vs (5.6) measurement Figure 3
The maintenance voltage can be measured by simulating lamp load with only 52±2% resistor. Since there is no change in the lamp, it can be repeatedly excited
A typical method is to use a memory oscilloscope to connect the ballast according to the circuit diagram 3, input and output average, 90% of the rated value: the time base is synchronized with the AC line, and no calibration is required between two measurements. The open circuit voltage, capacitor voltage and current waveforms are recorded (using open circuit synchronous measurement is beneficial for 3 steps), a 5? resistor is placed on the secondary, and the capacitor voltage and current waveforms (resistor voltage) are recorded. The test point for the maintenance voltage is the zero crossing point of the current waveform, see Figure 4, the measured value of the ballast maintenance voltage V. should be greater than 5.6. ocy
OCV--open circuit voltage: V-capacitor voltage; Vs-maintaining voltage; l. —current waveform on Rz: Figure 4
6.6 Measurement of lamp starting current (5.7) and matching capacitor voltage (5.132) Wiring is as shown in Figure 5, the ballast under test works with the reference lamp, and the reference lamp is started at 92% and 106% of the rated voltage respectively. Within 5s15s after the lamp is lit, the minimum and maximum starting current values ​​are measured in ammeter A, and the effective values ​​should meet the requirements of 5.7. At an input voltage of 106% of the rated voltage, the voltage on the capacitor is measured 15 minutes after the lamp is lit, which should meet the requirements for capacitor voltage in 5.13. 6.7 Measurement of lamp operating current (5.8), lamp power (5.9), power consumption (5.10), input current (5.11), and line power factor (5.14)
6.7.1 After the test in 6.6, adjust the power supply voltage to the rated voltage, and measure after the ballast and the reference lamp have been working together for at least 15 minutes. When reading the data, other instruments should be disconnected or short-circuited. Read the following on each instrument: lamp operating current (5.8.1), lamp power (5:9.1), power consumption (input power - lamp power) (5.10), input current (5.11.1), measure the harmonics of the input current on the resistor R with a harmonic analyzer (5.11.2), measure the peak value of the lamp operating current on the resistor R with a three-value meter (or corresponding instrument), and the ratio of the peak value to the effective value is the lamp operating current waveform factor (5.8.2). Each test result should meet the corresponding requirements.
T,—AC voltage regulator; Tz—isolation transformer: V, Vz, V,—voltmeter; A, Az--ammeter; W, Wz—power meter; L-ballast under test; D--reference lamp; R, R—non-inductive resistor 0.22; K-switch Figure 5
6.7.2 Adjust the power supply voltage to 92% and 106% of the rated voltage respectively, repeat the test in 6.7.1, and after each voltage adjustment, let the lamp work stably for 15 minutes before measuring and recording the relevant data. 6.7.3 According to the test data in 6.7.2, the waveform factor of the lamp working current (5.8.2) can be obtained, and the result should meet the requirements. Using the measured data in 6.7.1 and 6.7.2, we can calculate according to formulas (5) to (7) to obtain: Lamp power after voltage change - 100% regulation rate of lamp power at rated voltage (5.9.2):
Lamp power at rated voltage
Line power factor: (5.14)
Lamp power deviation (5.9.1)
Input power
Input voltage×input current
..··(5)
(6)
Lamp power of the ballast under test - Lamp power of the reference ballast x 100%(7) Lamp power of the reference ballast
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