This light then causes a phosphor to fluoresce, producing visible light unlike incandescent lamps, fluorescent lamps always require a ballast to regulate the flow of power through the lamp. The lvdtx series roundloop induction lamp is a low frequency electrodeless discharge lfed unit. Analysis of a highpowerfactor electronics ballast for. An example is the scheme of figure 1, in which the electrical diagram, 2, takes into account the conductivity. More energy efficient that mercury vapor, high pressure sodium and generic fluorescent lamps. Lvd saturn series 40w induction circular light round lamp. Though sepic topology outperforms an equivalent flyback topology in terms of. Master thesis postgraduation program in electrical engineering federal university of santa maria study of the characteristics of magnetic materials applied to drive electrodeless fluorescent lamps author. Lamps, other than mr types, that operate only on an external i.
The basic principles of the most commonly used lamp types. This greatly reduces maintenance costs by extending relamping cycles. This legislation is the equivalent in uk law of ec directives 7323eec and 89336eec, respectively. High energy conversion efficiency of between 62 and 90 lumenswatt higher wattage lamps are more energy efficient. Induction lamps are a promising technology which features good efficiency and long life. From the measured lamp current and voltage waveforms at each operating point, equivalent resistance and inductances are obtained. Simply stated, induction lighting is essentially a fluorescent light without electrodes or filaments, the items that frequently cause other bulbs to burn out quickly. Electrical lamps and their types linkedin slideshare.
It is the production of light via temperature elevation. Ce mark the ce marking of this product applies to the electrical equipment safety regulations 1994 and the electromagnetic compatibility regulations 1992. Index terms sepic, pfc, electrodeless lamp, ressonant filter, inverter. Patent disclaimer at the time of publication, it is possible that some of the elements of this document may be the subject of patent rights. That is the equivalent of 100 incandescent lamps, 5 hid lamps, or 5 typical fluorescent lamp life cycles. It is an ideal choice for replacement of common hid, incandescent, or fluorescent lamps with 5070% reduction in energy usage. Sylvania and ge manufacture electrodeless compact fluorescent lamps cfls. Induction lighting is one of the best kept secrets in energyefficient lighting. Introduction magnetic induction lamps are a long lasting, energy efficient light source which has the potential to save users about 50% in energy and maintenance costs over their lifetime, compared to the typical metal halide, mercury. A fluorescent lamp converts electrical energy into. Type of fluorescent lamp uses radio waves rather than arc to excite phosphor coating on lamp to glow long lifespan due to the lack of electrodes between 65,000 and 100,000 hours depending on the lamp model.
Marchesan, electric equivalent model for induction electrodeless fluorescent lamps, ieee transactions on power electronics, vol. A special resonant circuit in the ballast produces an initial high voltage on the coil to start a gas electrodelesd thereafter the voltage is. Electric equivalent model for induction electrodeless fluorescent lamps. Osram icetron electrodeless systems with the longest life available from a fluorescent system provides up to 100,000 hours average rated life. The presented model and its obtention methodology will be an important tool for ballast designers. Electrical model of efl in the above figure the lamp model is given as by equivalent resistance and equivalent inductance. Essentially, an induction lamp is an electrodeless fluorescent lamp.
An electric light is a device that produces visible light from electric current. Pdf an electronic ballast to control an induction lamp semantic. Ever since the great scientist nikola tesla stunned his audiences with fabulous demonstrations of induction lighting more than a century ago, lighting firms worldwide have tried to master the technology in an efficient and commercially viable format. An electric current in the gas excites mercury vapor which produces shortwave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow. An electric current in the gas excites mercury vapor, which produces shortwave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow. It is the most common form of artificial lighting and is essential to modern society, providing interior lighting for buildings and exterior light for evening and nighttime activities.
Seecol is the indias leading manufacturer of energy efficient induction lighting. Why you should compare induction lighting vs metal halide. The induction electrodeless fluorescent lamp is fundamentally different from the. Electrical troubles involving ballasts, sockets, or circuits are refetred to an electrician who may be either inside or outside the. Sf city staff are required to buy products below which meet these criteria. Induction lamps free download as powerpoint presentation. Electronic ballast of the electrodeless lamp for the.
Energy star program requirements product specification. Induction lamps create light by using an electromagnetic field to excite. This paper presents an electric equivalent model applied to induction electrodeless fluorescent lamps. Sylvanias duraone electrodeless amalgam selfballasted cfls offer a choice of 20w a19 60 lpw or 23w br30 48 lpw configurations in warm color 2,700k, 82 cri and rated life of 15,000 hours. Lvd replacement 5000k lamps induction lighting fixtures. The use of electromagnetic induction lamps without electrodes has increased.
An1543d electronic lamp ballast design on semiconductor. The elimination of filaments and electrodes results in a lamp with an unmatched. Several models developed for induction lamps are based on the theory of the transformers, 1, 2, 3. However, since most of the phenomena are dependent upon the steady state characteristics of the lamp, one can simplify the analysis by assuming that the passive networks control the. Pdf electric equivalent model for induction electrodeless. Separateballasted cavity induction lamp this electrodeless fluorescent induction lamp operates at 2. The most common example is a filament heated to white state by the circulation of an electrical current. The saturn series roundloop induction lamp is a high frequency electrodeless discharge hfed unit. If the efficiency of discharge lamps could be increased by 1%, it would result in a saving of 10 9 kwh per year worldwide.
As a fluorescent lamp, icetron utilizes the same mechanism for light generation as found in conventional fluorescent lamps with internal electrodes. There is a lot to design and enhance on induction lighting such as more efficient fixtures and control systems. Block diagrams of the digital controller for one lamp fig. Light emitting diode led drive circuits and microwave. It includes lamps based on induction coupling and some microwave discharges. Induction lamps are shaped uniquely and therefore new fixtures had to be designed to accommodate and maximize the performance of induction lighting. This paper presents the design, control strategy and experimental results of a twostep, power factor correction stage pfc and resonant inverter ri, electronic ballast proposal to supply 150 w electrodeless fluorescent lamps efl. A fluorescent lamp or a fluorescent tube is a low pressure mercuryvapor gasdischarge lamp that uses fluorescence to produce visible light. An electronic ballast to control an induction lamp tecnico lisboa.
The energy supplied is transformed into heat by the joule effect and into. However, the equivalent resistance req is a function of the. Therefore the wire and wireless linked remote control system for the group lighting system using electrodeless lamps is proposed in this paper. A new model was developed for the characterization and quanti. Take any parking lot area and you will see either high pressure sodium or metal halide fixtures lining the rows. Induction lamps the cavity design has the advantage of reassembling the shape of an incandescent lamp is used to accomodate the induction core and coils fig. No filaments and it is electrodeless, unlike cfl incandescent bulbs. Ballasting electrodeless fluorescent lamps request pdf. Lamps led discharge induction fluorescent lamps hid lamps linear compact fluorescent low pressure sodium mercury high pressure sodium metal halide standard. Electric equivalent model for induction electrodeless. Electric equivalent model for induction electrodeless fluorescent lamps by marcelo freitas da silva, natalia braun chagas, marson eduardo schlittler, jeferson fraytag, tiago bandeira marchesan, fabio ecke bisogno, jose marcos alonso alvarez and ricardo nederson do prado. Fluorescent lighting takes a major role in todays lighting requirements with around 1. The electrical model of the induction lamp is related to described working. Thus, many induction lighting units have an extremely long life of up to 100,000 hours.
From an electrical point of view, the lamp can be thought of as a transformer, where the coil acts as the primary and the plasma acts as the secondary. Induction electrodeless fluorescent lamp electric model. Only doublebased lamps of the regular linear shape are included. Singlebased lamps including compact, circular, square shaped and ushaped are found in ansi c78. Model for electrical characteristics of electrodeless. The internal electrodeless lamp or induction lamp is a gas discharge lamp in which an electric or magnetic field transfers the power required to generate light from outside the lamp envelope to the gas inside.
A fluorescent lamp or fluorescent tube is a gasdischarge lamp that uses electricity to excite mercury vapor in argon or neon gas, resulting in a plasma that produces shortwave ultraviolet light. Lamps for conventional systems relying on auxiliary support from external ballasts are described. In contrast the t5 lamps are designed for optimal lighting at around 90 degrees f. A fluorescent lamp, or fluorescent tube, is a lowpressure mercuryvapor gasdischarge lamp that uses fluorescence to produce visible light. Pdf this paper presents an electric equivalent model applied to induction electrodeless fluorescent lamps. How induction lighting works energy efficient induction. Different type of lamps for luminous electrical notes. Without electrodes, the lamp relies on the fundamental principles of electromagnetic induction to create light. Fluorescent lamps also provide a higherlumenswatt output, and efficiency. A fluorescent lamp that uses electromagnetic induction to generate a discharge current, forming a closed loop inside the tube structure which excites internal gases and converts this into visible light through phosphor. Electrodeless lighting electrical contractor magazine.
Artificial luminous radiation can be produced from electrical energy according to two principles. The basic technology for induction lamps is not new. The pfc acts as a controlled power source and provides mid and longterm stability to the system, while the stability of the current through the lamp is. The model is based on passive components and takes into account the real and reactive lamp power. The uv emission can stimulate phosphors coated on the surface of the bulb. American national standard for electric lamps selfballasted led lampsperformance specifications ansi c78.
The methods noted in this standard apply to fluorescent lamps operated at common powerline frequencies 50 and 60 hz or high frequency. It was thus assumed that the model concept developed earlier 8 will fit the case of the electrodeless lamp. Gbt 348412017 fluorescent induction lampsperformance specification ics 29. These lamps are those designed for 60hz andor high frequency operation. The equivalent electrical model of lamp is shown in fig 5. One of the most important features of the proposed methodology is the concern regarding core. In technical usage, a replaceable component that produces light from electricity is called a lamp.
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