The CFL was initially designed to replace the incandescent lamp in terms of its compactness as well as energy efficiency. As compared to incandescent lamps, the little heat produced in a fluorescent lamp is just a byproduct, and most of the energy is converted into visible light. The length of the commonly used lamp is around 100 millimeters (3.9 in). (Supervisory Control and Data Acquisition), Programmable Logic Controllers (PLCs): Basics, Types & Applications, Diode: Definition, Symbol, and Types of Diodes, Thermistor: Definition, Uses & How They Work, Half Wave Rectifier Circuit Diagram & Working Principle, Lenz’s Law of Electromagnetic Induction: Definition & Formula. If you have any doubts or questions, Please let me know. The CFL and ballast combination can save money because the ballast has much longer life of 50000 working hours, and the CFL tube has a life of 10000 working hours so if CFL tube fails only tube can be replaced and expensive electronic ballast used. The electrode mount assemblies are at both the ends of lamp tube. A CFL uses a vacuum glass tube which is very similar to the strip lamps (commonly known as. A fluorescent lamp tube is loaded with a gas containing low-pressure mercury vapor and argon. Working, Construction, Advantages, Applications, Air Circuit Breaker- Working Principle, Construction, Types, Advantages, Applications, What is Buchholz Relay? So the internal ballast circuit is also different. Total set up of a lamp requires two bases and choke coil with a starter. Many manufacturing companies make CFL bulbs, and their circuit diagrams of electronic ballast also different. The electrode mount assembly is almost similar to the stem press unit in the incandescent lamps. The gas discharge excites mercury vapours and produces ultraviolet light. In this relay there is ... AC Servomotor :-                                                                                                                        ... Electric Fuse   In Electrical or Electronic Engineering the fuse is used for safety of the devices. To construct a fluorescent tube light a lime glass tube, drop of mercury, argon gas, phosphor coating and the electrodes with their mount assemblies are required. The figure of an electrode is shown below. Distance relay Relay  is an electrical switch which is used to open or close a circuit with electromagnetic relay or electronically.... Over Current Relay This is another type of relay which is used to protect the transmission lines from faults. No other element has proved as efficient in this process, so even though the amounts of mercury used in bulbs has decreased over time, a small amount of mercury is still required for CFLs … Small plates are attached to the filament to protect the electron bombardment and reduce the wattage loss at both ends. At the starting time, the voltage across the CFL tube is 1000V. To construct a fluorescent tube light a lime glass tube, drop of mercury, argon gas, phosphor coating and the electrodes with their mount assemblies are required. Generally, small plates are attached to the filament to protect it from electron bombardment and to reduce the wattage loss at both ends. The CFL bulbs present in the market have different wattage such as 5W, 9W, 11W, 15W, 20W, 25W, 30W, etc. Fluorescent lamp tubes are normally straight and long. and What is Universal Motor or AC series motor? Over Current Relay- Working Principle, Types, Drawbacks. The white phosphor coating an inner surface of the tube gets excited and gives out visible light from the surface of the tube. The power rating of CFL lamps is 1/4 than the other lamps. The filaments of electrodes play both roles as anode and cathode. Differential Relay Differential relay operates when the phase difference in two or more than two identical quantities crosses the pr... Electromechanical Relays These relays are constructed with electrical, magnetic & mechanical components & have an  operat... Fluorescent Lamp- Its Working, Construction. On the other hand, Compact Fluorescent Light (CFL) bulbs pose a marginally smaller risk of fire and are more efficient and long-lasting than both incandescent and halogen bulbs. The pressure inside the lamp is around 0.3% of environmental pressure. This emitted ultraviolet light is converted into visible light as it strikes the fluorescent coating as well as into heat when absorbed by other materials. It prot... BUCHHOLZ RELAY Buchholz relay is a protection device used to detect transformer faults in oil filled transformers. How works Electromechanical Relay? The gas discharge excites mercury vapours and produces ultraviolet light. It is baked during manufacturing to become oxides and thus it becomes capable of providing abundance of free electrons easily. Working, Advantages, Applications. Total set up of a lamp requires two bases and choke coil with a starter. When this high-frequency electricity is passed through a filament (usually made of tungsten) of electrodes, temperature becomes about 900º C. A beam of electrons generates which is further accelerated by the potential difference between electrodes. But an exception is that this filament is dipped in a mixture of barium, strontium, and calcium carbonate. The term ‘CFL’ stands for Compact Fluorescent Lamp. • SF6 mea... • It is an automatically operated electrical switch which protects the system or device from any fault overload or short circuit. The working principle of CFL bulb ballast circuit is explained in detail here. The electrode is similar to the incandescent lamp filament. Differential Relay- Working, Classification, Advantages. The lamp’s anodes are normally made of snaked tungsten and typically alluded to as cathodes due to their prime capacity of discharging electrons. Phosphor coating is used on inner wall of the bulb tube. The basic construction of a compact fluorescent lamp (CFL) consists of a fluorescent glass tube that is curved or spiraled, and a compact electronic ballast in the base of the lamp. The filament is dipped in a mixture of barium, strontium and calcium carbonate. CFL produces less heat. A fluorescent lamp has changed over electrical energy into useful light energy to a great deal more proficiently than incandescent lamps.The normal luminous viability of fluorescent lighting frameworks is 50 to100 lumens per watt, which is a few times the adequacy of incandescent lamps with equivalent light yield.. How does a Fluorescent Lamp work? But, do you know. It is also known as compact fluorescent light, energy-saving light, and compact fluorescent tube. Full disclaimer here. Construction, Working Prin... What Is Relay Protection? The life of CFL is 10,000 to 30,000 working hours. How works Electromechanical Relay? A polarized capacitor is connected in parallel for filtering purposes of impure DC coming from the rectifier circuit. This electrode mounting assembly is almost similar to the stem press unit in the incandescent lamps. In this socket it is energy saving providing better life and low maintenance. The lamps use a tube which is curved or folded to fit into the space of an incandescent bulb, and a compact electronic ballast in the base of the lamp. What is Regulator? At a certain pressure argon gas is filled up inside the tube. Generally, all the CFL bulb ballasts follows that. Then the UV light hits the phosphor coating on the inside of the fluorescent tube, it is to convert UV light into visible light, the whole process is done in a sealed vacuum tube. To complete this entire process typically takes 30 seconds to 3 minutes. For this, they are coated with a blend of barium, strontium, and calcium oxides to have a low thermionic emission temperature. Need and Types of Rectifier. Lumens output is high. When stimulated by electric current, mercury vapor inside a CFL produces ultraviolet light, which is re-radiated as visible light when it strikes the fluorescent compound, known as phosphor, painted on the inside of the bulb. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Electrical4U is dedicated to the teaching and sharing of all things related to electrical and electronics engineering. Construction, Working Principle, Advantages, Limitations. Construction, Types, Applications, Transmission and Distribution of Electric Energy. The basic construction of a compact fluorescent lamp (CFL) consists of a fluorescent glass tube that is curved or spiraled, and a compact electronic ballast in the base of the lamp. Once the lamp starts operating, a much lower voltage can be maintained the current and light output. Working, Types, Applications, What is SF6 Circuit Breaker? The CFL works similar to standard fluorescent lamp. Once the CFL bulb glows the voltage across it decreases to 230V and the ballast circuit allows to flow a low current to the tube. It is suitable if running time is greater  than the 5 mins. Below is shown the circuit diagram of some CFL ballast boards. When high voltage is applied across the two electrodes by using ballast, an arc is produced through the argon gas. The electrode mount assembly is almost similar to the stem press unit in the incandescent lamps. Minimal fluorescent lamps have a few little width tubes joined in a heap of two, four, or six or a little breadth tube curled into a helix, to give a high measure of light yield in little volume. Bigger U-shaped lamps are utilized to give the same measure of light in a smaller region. It's Types, Application... What is Regulator? Compact Fluorescent Lamp (CFL) Construction, Worki... What is Rectifier? It is baked during manufacturing to become oxides and thus it becomes capable of providing the abundance of free electrons easily. A compact fluorescent lamp (CFL), also called compact fluorescent light, energy-saving light and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent light bulb; some types fit into light fixtures designed for incandescent bulbs. The CFL produces electronic interference to the electronic equipments. Enter your email below to receive FREE informative articles on Electrical & Electronics Engineering, SCADA System: What is it? So it gives more lumens. Compact Fluorescent Light (CFL) Bulb. The basic construction of a CFL consists a tube which is curved/spiraled to fit into the space of an incandescent bulb, and a compact electronic ballast in the base of t… Differential Relay- Working, Classification, Advan... Over Current Relay- Working Principle, Types, Draw... What is Buchholz Relay? Two pins at each end are taken out of the lamp body through the cap. Incandescent lamps replacing with CFLs result in cost-efficient in terms of electricity bills that together with its long life offset the higher purchase price of the lamp. The lumens output high as compare to the wattage. One of the biggest advantages of a CFL Bulb is its low energy consumption, which also produces less heat, has a much higher lifetime compared to incandescent or halogen lamps, and produces pleasant light. It fives only 10% heat than other lamps. The CFL has high quality, cool, bright white light. How Distance Relay Works?- Operation, Types, Advantages, Limitations. The inward surface of the lamp is coated with a fluorescent (and frequently marginally luminous).

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