Electronic fluorescent lamp ballast stmicroelectronics. Data is based on a mains supply with an impedance of 400 m. An electronic ballast is used to control the lamp current and lamp output power. Modern solidstate circuitry makes the electronic ballast practical, reliable and. High frequency electronic ballasts programmedstart, normal light output series high power factor sound rated a centiumlow lamp data number ft80w 1 ft55w 1 2 ft50w 1 2 ft40w 1 ft36w 1 2 ft24w 1 2 watts min. When the ballast is p roperly g ounded, eakage current does. High frequency ballasts in fluorescent lighting electronic. As new lamp types emerge on the market, with virtually no high frequency lamp data available, the task of designing the output stage becomes even more difficult.
For information on the distributor best able to serve your needs, please call 8003723331. It does this through the principle of electrical gas discharge. Reliable and energyefficient, advances broad line of centium high frequency electronic ballasts for t8 and t12 fluorescent lamps offers all of the energysaving properties of advances standard electronic line plus the added benefits of extended life and small can size options for enhanced. First, a small inductor is sufficient to limit reduces the 100 or 120hz flicker associated with an ironcore magnetic ballast. The proposed method allows the use of a high frequency electronic ballast, making the ballast able to adjust the operating frequency automatically as soon as the acoustic resonance is detected and. A new building block to light the way to rapid ballast design. The primary of this transformer is driven by the current in the lamp circuit and operates at the resonant frequency.
The primary advantage of high frequency fluorescent lighting is the improvement of efficacy,as also reducing lamp flicker that is sometimes associated with low frequency ballast, as the lamp phosphors are refreshed more often. The fluorescent tube converts electrical energy into light. High frequency electronic ballasts 12 fluorescent ballasts electronic standard electronic for t8 and t12 instant or rapid start fluorescent lamps and for 39 watt, 40 watt, and 50 watt t5 rapid start long twin tube lamps reliable and energyefficient, advances broad line of standard electronic ballasts. The high frequency sinusoidalwaveoperated electronic ballast may suffer problematic. The performance of the cfl depends on the design of the electronic ballast circuit that is located at the base of each cfl. High frequency electronic ballasts philips advance ballast. This ballast consists of a phaseshifted fullbridge inverter, a boost transformer, a resonant tank and a dimming circuit.
Some basic facts and some advanced information on ballasts. The frequency of the square wave is controlled by output control circuits attached to the ballasts little electronic cerebral cortexthe mother board. Pdf analysis and design method for highfrequency self. A design methodology for acoustic resonancefree, high. Sepic as pfc stage the sepic is used as pfc stage for. Smartmate 156 t4 high power factor sound rated a high frequency electronic ballasts programmed start, normal light output series advance, 10275 west higgins road. Making fluorescent lamp ballast measurements with the. High frequency electronic ballasts 16 ordering information how to order advance transformer has developed the industrys broadest distribution system for electronic ballasts. Aurora high frequency electronic ballasts please read these instructions carefully before installation leave a copy for the user maintenance engineer for future reference features flicker free warm start to preheat lamp electrodes. This paper presents a methodology to design acoustic resonance free, high frequency, dimmable electronic ballasts for high pressure sodium vapour hpsv lamps having a range of rated. Flickerfree operation can be maintained when the lamp power is. A discontinuous conduction mode dcm electronic ballast topology is presented which drives the lamp with line frequency current, just like a magnetic ballast.
Ballast basics modern electronic ballasts operate at a frequency above 20,000 hz. A new procedure for highfrequency electronic ballast design. Most electronic ballasts also have limited dimming capability. High frequency electronic ballasts standard to rapidstart x normal light output u series lamp data number f32t8, 2 watts min. A full product range of t5 high frequency ballasts from osram designed for use with single, twin, triple and quad t5 16mm diameter fluorescent tubes rated between 14w and 80 watts. Transformer x 2 regulates the current through the tube and also determines the frequency of operation of the electronic ballast. Request pdf on oct 1, 2001, enrico santi and others published high frequency electronic ballast provides line frequency lamp current find. A novel lowfrequency squarewavedriven electronic ballast. Electronic ballasts for t5, t8 and t12 fluorescent lamps reliable and energyefficient, advances broad line of centium high frequency electronic ballasts for t5, t8 and t12 fluorescent lamps offers all of the energysaving properties of advances standard electronic line plus the added benefits of extended life and small can size options for. A ballast for controlling the light emitted by fluorescent lamps 25 is disclosed. By adjusting the operating frequency, the electronic ballast produces first an. Electronic ballasts for highintensity discharge lamps. A high frequency lamp current, such as the one generated by the high frequency electronic ballast described above, is desirable from the point of view of lamp efficacy, but it can generate significant radiated. Ballast operates zvs to minimize switching loss ballast controls frequency to adjust lamp current ballast self.
Analysis of a highpowerfactor electronics ballast for. Any idea on how to go about testing an electronic ballast. Electronic ballasts for highintensity discharge lamps indoor hi pci. The primary advantage of high frequency fluorescent lighting is the improvement of efficacy,as also reducing lamp flicker that is sometimes associated with low frequency ballast. Modern solidstate circuitry makes the electronic ballast.
Providing the proper voltage to establish an arc between the two electrodes. By controlling current, the ballast can dim the lamp 40 to 50% or about one stop of light. Ee 5741 design of electronic ballasts eric persson exec. As the distance from the high frequency electronic ballasts to the lamp increases, so does the capacitance across the lead wire to the lamp. Dynamic analysis of frequencycontrolled electronic ballasts. Electronic high frequency fluorescent ballasts past, present and future based upon the years of development and manufacture as well as a documented three and onehalf year life test the reliability of the electronic high frequency ballast concept has. Mar 15, 2020 an electronic ballast or electrical ballast is a device which controls the starting voltage and the operating currents of lighting devices. A new procedure for highfrequency electronic ballast. Pdf multifrequency electronic ballast for t5 fluorescent. If your facility is in use more than 8 hours per day, it may be costeffective to replace standard ballasts.
Analysis of a high powerfactor electronics ballast 71 fig 3. Some basic facts and some advanced information on balla sts for fluorescent lamps contents. Pdf electronic ballast circuit configurations for fluorescent lamps. Make sure that all ballasts are set to the same setting. Automotive headlamp hid ballast reference design using the. The advantages of high frequency electronic ballast over older line frequency types are that. High frequency electronic ballast provides line frequency lamp.
Many current and all future electronic ballast part numbers will not use the rhtp suf. Anyone heard of poor quality lamps causing ballasts to fail. Hfperformer iii pltc is a sustainable, slim and high frequency electronic ballast for plt and plc fluorescent lamps. Simple control circuits for electronic ballast design. The magnetic ballast method creates a huge amount of inductive reactive power, significantly. Dc power derived from either a dc source or a rectified ac source is switched on and off at a high frequency rate by a switch. Hfregulator electronic regulating ballasts for plt and plc lamps notes. This lecture note will look mainly at circuit design in the tenshundreds mhz range and will touch upon some basics for the ghz range design. Constant lamp current brightness independent of mains input voltage power factor correction. As the distance from the high frequency electronic ballasts. Electronic high frequency ballasts are now standard equipment for most fluorescent sources. For the value shown, the operating frequency is typically 25 to 30 khz, r 6, c 4 and diac 1 db3 from the startup circuit.
Universal offers high efficiency t8 ballasts for instant start and programmed start applications. High frequency electronic ballasts 110 electronic ballast fundamentals the job of a ballast in all fluorescent lighting systems, the ballasts basic tasks include. However, due to the occurrence of acoustic resonances over a wide frequency range, high frequency. Affordable, reliable, high frequency electronic ballast for tl5 fluorescent lamps, ideal alternative for electromagnetic em ballasts benefits energy efficient, celma a3, saving 25% energy compared to electromagnetic ctype ballasts. Electronic ballast circuit and dimming operation figure 2 shows the proposed high frequency dimmable electronic ballast for driving hid lamps. A novel lowfrequency squarewavedriven electronic ballast for. Because they operate at high frequency, electronic ballasts may produce electromagnetic interference emi or radio frequency. Available in a true w electronic ballast with 3way dimming technology w, 750w and 500w or a 4way dimmable 600w version with a 660w overdrive mode 600w, 450w, 300w to boost your lumens for the last few weeks of flowering for bigger yields. Smartmate 156 t4 high power factor sound rated a high frequency electronic ballasts programmed start, normal light output series advance, 10275 west higgins road, rosemont, il 60018. High frequency electronic ballast provides line frequency. In this paper a simple method to design and improve the performance of high frequency selfoscillating electronic ballasts is presented. Highfrequency dimmable electronic ballast for automotive hid.
Multifrequency electronic ballast for t5 fluorescent lamps with voltagepreheating. The functions performed by present day electronic ballasts include electromagnetic interference emi filtering to block ballast generated noise, rectification, power factor correction pfc, a halfbridge resonant output stage for high frequency ac control of the lamp, and a control circuit for controlling each of the stages figure 1. An easy transition from magnetic light bulbs from the. The functions performed by present day electronic ballasts include electromagnetic interference emi filtering to block ballast generated noise, rectification, power factor correction pfc, a halfbridge resonant output stage for high frequency. Hfperformer iii for pltc lamps philips philips lighting. Philips high frequency 4x14 tl5 electronic ballast. Regulating the electric current flowing through the lamp to stabilize light output. High frequency electronic dimming ballast, using the analog protocol 110 v for tld lamps the ballast is primarily designed for indoor application. Hfregulator ii for tld lamps philips philips lighting. Small size, light weight, high efficacy, longer lifetime and controllable output are the main advantages of highfrequency electronic ballasts for gas discharge lamps. Electronic ballasts for fluorescent lamps standard portfolio. At 50% power, a globes color temperature will be 75 to 200k higher bluer than. Philips high frequency 4x14 tl5 electronic ballast runs 4x 14w t5 fluorescent tubes.
The proposed method is based on the describing function. These ballasts deliver up to 6% additional energy savings over standard electronic ballasts. The magnitude of the transfer function lamp voltage divided by input. Advanced highfrequency electronic ballasting techniques. Instantstart normal light output parallel high power factor sound rated a lamp data number watts win. The sepic is used effectively as stepup or stepdown and it works same as buckboost converter and has an advantage of noninverting output. Without proper fixture and ballast grounding, a shock hazard may exist due to the fluorescent fixture becoming energized by an internal ballast failure to case. Hfregulator electronic regulating ballasts for tl5 lamps. Ballast epa products dimmable ballast 2ft hf ballast for tld lamps t8 dsi high frequency electronic dimming ballast, using the digital protocol for tld lamps.
However, compared to a magnetic ballast, its weight is substantially reduced due to operation at 40 khz switching frequency. Power source electronic ballast for electrodeless fluorescent lamps. Common electronic ballasts convert 60hz line voltage into a much higher frequency. The lamp friendly warm start is delivering maximum t8 lamp life and enables high switching frequency applications. Electronic ballasts using the costsaving ir215x drivers figure 1. The pwm frequency for dimming purposes, although is much lower than the switching frequency, is high enough to prevent the lamp from a total turn off, so that the.
The april 2020 online edition is now available for viewing and download. The experimental results demonstrate that the lowfrequency squarewavedriven electronic ballast is free of acoustic resonance and is able to maintain approximately rated lamppower 35 w 3% operation under different input voltage levels ranging from 10. Hfregulator electronic regulating ballasts for tl5 lamps definition slim, lightweight high frequency electronic regulating ballast for tl5 fluorescent lamps. High frequency electronic ballasts 12 fluorescent ballasts electronic standard electronic for t8 and t12 instant or rapid start fluorescent lamps and for 39 watt, 40 watt, and 50 watt t5 rapid start long twin tube lamps reliable and energyefficient, advances broad line of standard electronic ballasts for t8, t12. An electronic ballast or electrical ballast is a device which controls the starting voltage and the operating currents of lighting devices. Instant startup, small size, high pf, and high efficiency can be achieved using an. These mains voltage quicktronic professional ecg offer very high energy efficiency and ensure long lamp life. These results verify the functionality of the proposed ballast circuit. It is ideal for applications where high energy efficiency is required. Advantages of high frequency electronic ballast for hid lamps include. Find electronic high frequency ballasts related suppliers, manufacturers, products and specifications on globalspec a trusted source of electronic high frequency ballasts information. The square wave frequency is not referenced to the line hertz rate. Dynamic analysis of frequency controlled electronic ballasts yan yin, regan zane, robert erickson colorado power electronics center university of colorado at boulder boulder, co 803090425 john glaser general electrical company global research center one research circle niskayuna, ny 12309.
Us4870327a high frequency, electronic fluorescent lamp. Designing a high frequency electronic ballast output stage and choosing component values for various lamp types can be a difficult engineering challenge with many hidden pitfalls. Acousticresonancefree highfrequency electronic ballast. This increase in capacitance is important for two reasons. However, if one lamp fails, all other lamps in the circuit will extinguish. Replacing standard fluorescent lamps with high efficiency fluorescent lamps saves energy and money. High power factor ballasts are generally specified for all commercial lighting applications.
An electronic ballast will convert power frequency to a very high frequency to initialize the gas discharge process in fluorescent lamps. Typically, on electronic ballast fittings,i work on the if its not the lamp its the ballast. High frequency electronic ballasts programmedstart, normal light output series high power factor sound rated a centiumlow lamp data number ft80w 1. For outdoor application, the luminaire should be minimum. An easy transition from magnetic switching from magnetic to electronic t12 is easy with philips advances electronic t12 ballasts the department of energy doe ballast ruling that became effective in 2005, prevents the manufacture of magnetic replacement ballasts. Description the lamp power can be regulated down to 3% striation free operation 1 10 v control input european standard programmed start. Sepic as pfc stage the sepic is used as pfc stage for efls. Ballast controls frequency to adjust lamp current ballast. An easy transition from magnetic switching from magnetic to electronic t12 is easy with philips advances electronic t12 ballasts the department of energy doe ballast ruling that became effective in 2005, prevents the manufacture of magnetic replacement ballasts sold through electrical distribution after july 1, 2010. An electronic ballast will convert power frequency to a very high frequency. Compact, lightweight, high frequency electronic ballast for tld lamps philips.
Electronic ballasts using the costsaving ir215x drivers. As shown in figures 1 and 2, sales of electronic ballasts. Hfregulator electronic regulating ballasts for plt and. An electronic ballast for starting and operating gaseous discharge lamps from a low voltage dc source which employs a regulated inverter providing controlled high ignition voltage, constant current warm.
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