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. Highfrequency electronic ballasts for fluorescent lighting systems. 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 15 to control the flow of current through the primary winding of the transformer of a flyback converter 27. Guide to specifying highfrequency electronic ballasts lighting. Dynamic analysis of frequencycontrolled electronic ballasts. This compact, lightweight, high frequency electronic ballast is designed to operate off the 230v ac mains supply at 5060 hz and is suitable for 36 40 w fluorescent tubes. Highfrequency operation not only results in significant ballast volume and weight reduction, but also improves the performance of the discharge lamp. Because they operate at high frequency, electronic ballasts may produce electromagnetic interference emi or radio frequency interference rfi. 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. Instantstart normal light output parallel high power factor sound rated a lamp data number watts win.
They are driven by a high frequency power converter that most often has a power factor correction pfc frontend to ensure high efficiency and small size and weight. This compact, lightweight, highfrequency electronic ballast is designed to operate off the 230v ac mains supply at 5060 hz and is suitable for 36 40 w fluorescent tubes. Common electronic ballasts convert 60hz line voltage into a much higher frequency. Comparative study of 250 w high pressure sodium lamp operating. The input filter of the network analyzer filters all the high frequency components in v sen. High frequency electronic ballast provides line frequency lamp.
The april 2020 online edition is now available for viewing and download. 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. Pdf highpowerfactor electronic ballast operating in critical. Centium 60watt 2lamp t12 high frequency electronic replacement ballast. Mar 15, 2020 an electronic ballast or electrical ballast is a device which controls the starting voltage and the operating currents of lighting devices. At least one lamp is coupled to the transformer secondary winding via a capacitor. Lights which are operated with a high frequency ballast do not flicker, but instead light up instantly due to the frequency being much quicker. Ballast controls frequency to adjust lamp current ballast self protects by shutdown when lamp misbehaves 21. This work presents analysis, development of an electronic ballast with. These mains voltage quicktronic professional ecg offer very high energy efficiency and ensure long lamp life. Technical progress report, october 1, 1993december 31, 1994, report, march 1, 1995. Figure 5 shows the measured voltage and current waveforms of the lamp operating with the same current level but at high frequency. Ee 5741 design of electronic ballasts eric persson exec. An easy transition from magnetic light bulbs from the.
Ballast epa products dimmable ballast 2ft hfballast for tld lamps t8 dsi highfrequency electronic dimming ballast, using the digital protocol for tld lamps. Providing the proper voltage to establish an arc between the. 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. High frequency electronic ballasts standard to rapidstart x normal light output u series lamp data number f32t8, 2 watts min. High frequency electronic ballasts 16 ordering information how to order advance transformer has developed the industrys broadest distribution system for electronic ballasts. Centium 303440 watt 1 or 2 lamp t12 rapid start high frequency electronic fluorescent replacement ballast. High frequency electronic ballasts for fluorescent lighting systems. The flicker index, used for measuring perceptible light modulation, has a range from 0. High frequency operation not only results in significant ballast volume and weight reduction, but also improves the performance of the discharge lamp. A design methodology for acoustic resonancefree, high. The primary of this transformer is driven by the current in the lamp circuit and operates at the resonant frequency of lc. Pdf analysis and design method for highfrequency self. Dynamic analysis of frequencycontrolled electronic ballasts yan yin, regan zane, robert erickson. Philips advance ambistar 120volt 1 or 2lamp t8 instant.
However, due to the occurrence of acoustic resonances over a wide frequency range, high frequency ballasting of hid lamps have been a major challenge. High frequency ballast solution stmicroelectronics. It includes a sample specification form and questions specifiers can ask of manufacturers about ballast reliability. Centium 60watt 2lamp t12 high frequency electronic.
The traditional ballast consists of a flyback converter to boost the dc voltage v in and a fullbridge inverter to convert the dc voltage to the low frequency squarewave sources that supply the automotive hid lamp. High frequency electronicballasts programmed start. A novel lowfrequency squarewavedriven electronic ballast for. Electronic ballasts using the costsaving ir215x drivers. Ballast family lamp starting method line current amps input power ansi watts ballast factor max. The transformer includes a primary winding that receives the ac voltage and current. High frequency electronic ballasts for 2 or 1 cfl lamp.
The primary advantage of high frequency fluorescent lighting is the improvement of efficacy,as also reducing lamp flicker that is sometimes. To supply the lamp with a lowfrequency squarewave current to avoid acoustic resonances, the. Many current and all future electronic ballast part numbers will not use the rhtp suf. However, due to the occurrence of acoustic resonances over a wide frequency range, highfrequency ballasting of hid lamps have been a major challenge. A lampballast system consisting of a magnetic ballast and two 32w t8 lamps. The philips advance centium ballast features metal assembly for strength and a 0. This application note describes the two stages of electronic ballast for a 250 w hid. It does this through the principle of electrical gas discharge. F0 input volts catalog number certifications 8 line current amps input power ansi watts ballast factor max. Guide to specifying highfrequency electronic ballasts. The highfrequency sinusoidalwaveoperated electronic ballast may suffer problematic acoustic resonance. While set to be replaced by more efficient led solutions, fluorescent tubes and compact lamps cfl are still rather popular.
For ambistar 1lamp operation on 2lamp ballast, use red and yellow connectors 129 t4 high power factor sound rated a high frequency electronic ballasts for w triple lamps advance, 10275 west higgins road. Advantages of high frequency electronic ballast for hid lamps include. But the electronic ballasts usage for high intensity discharge lamp hps and hpm. Electronic ballasts using the costsaving ir215x drivers figure 1. Designing a highfrequency electronic ballast output stage and choosing component values for various lamp types can be a difficult engineering challenge with many hidden pitfalls. The high output frequency of an electronic ballast refreshes the phosphors in a fluorescent lamp so rapidly that there is no perceptible flicker. 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. In this paper a simple method to design and improve the performance of high frequency selfoscillating electronic ballasts is presented. 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.
Pdf a highpower factor hpf electronic ballast, which exhibits low switching losses, is presented in this paper. An electronic ballast or electrical ballast is a device which controls the starting voltage and the operating currents of lighting devices. As new lamp types emerge on the market, with virtually no highfrequency lamp data available, the task of designing the output stage becomes even more difficult. High frequency electronic ballasts 14 fluorescent ballasts electronic optanium highefficiency electronic ballasts for a broad range of t8 lighting systems versatile and highperforming, advances optanium highefficiency electronic ballasts represent a breakthrough in fluorescent t8 system componentry. Design and implementation of frequencymodulated electronic ballast for metalhalide lamps article pdf available in iee proceedings electric power applications 1535. In the first part of this dissertation, two novel high power factor singlestage electronic ballast topologies are proposed to solve the poor power factor issue of the cfls that are currently on the. A ballast for a fluorescent lamp has two primary functions.
Electronic fluorescent lamp ballast stmicroelectronics. Us6407935b1 high frequency electronic ballast with. A new procedure for highfrequency electronic ballast design. High power factor ballasts are generally specified for all commercial lighting applications. Us4870327a high frequency, electronic fluorescent lamp. The national lighting product information program nlpip prepared this guide to specifying highfrequency electronic. A ballast for controlling the light emitted by fluorescent lamps 25 is disclosed.
Introduction highfrequency electronic ballasts for. These data are available in a database through nlpip. High frequency ballasts in fluorescent lighting electronic. The procedure predicts preheat, ignition and running conditions based on fluorescent lamp. 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. Simple control circuits for electronic ballast design. For information on the distributor best able to serve your needs, please call 8003723331. A lamp ballast circuit which provides a magnetizing inductance to a lamp ballast circuit transformer.
Ambistar 120volt 1 or 2lamp t8 instant start residential electronic fluorescent replacement ballast. A new procedure for highfrequency electronic ballast. High frequency electronicballasts programmed start, normal light output. Magnetic ballasts usually have greater power losses than electronic ballasts.
Most electronic ballasts for fluorescent lamps provide a sinusoidal lamp current at the switching frequency. 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. Unfortunately, the circuit is not self starting and must be pulsed by the diac connected to the. The traditional ballast consists of a flyback converter to boost the dc voltage v in and a fullbridge inverter to convert the dc voltage to the lowfrequency squarewave sources that supply the automotive hid lamp. Pdf a singlestage highpowerfactor electronic ballast based. Dynamic analysis of frequency controlled electronic ballasts yan yin, regan zane, robert erickson. The switched output is rectified and applied by the flyback converter to. This implies that longer lamp life time can be realized with high frequency operation. High frequency control gear is a modern single ballast that performs the functions of all the different components in the standard switch start circuit.
They are driven by a highfrequency power converter that most often has a power factor correction pfc frontend to ensure high efficiency and small size and weight. This paper presents a methodology to design acoustic resonancefree, highfrequency, dimmable electronic ballasts for highpressure sodium vapour hpsv lamps having a range of rated wattage 70400 w. This high frequency electronic ballast offers all of the necessary commercial grade specifications plus the added benefit of lamp striation reduction technology. The proposed method is based on the describing function. An electronic ballast will convert power frequency to a very high frequency to initialize the gas discharge process in fluorescent lamps. This work presents analysis, development of an electronic ballast with voltage preheating for one 28wt5 fluorescent. Pdf design and implementation of frequencymodulated. The complete guide to ballasts for fluorescent lights. Pdf in this paper, a novel singlestage electronic ballast with a high power factor is presented. Modern solidstate circuitry makes the electronic ballast practical, reliable and. A dc voltage and current supply source energize a pair of transistors which provide an ac voltage and current. Ballast basics modern electronic ballasts operate at a frequency above 20,000 hz.
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