With the continuous advancement of human society, people's perfect pursuit of material life and spiritual life, the world of modern lighting technology has been widely accepted and applied. Lighting has become one of the important symbols of modern civilization in a city and region. . According to the spirit of the document of the State Economic and Trade Commission, the Ministry of Construction, and the State Administration of Quality and Technical Supervision on "Promoting China's Green Lighting Projects", energy conservation and environmental protection, as an important industrial policy of China, will definitely have important realities for infrastructure and renovation projects. Guiding significance. At present, China is in the process of welcoming the green Olympics, improving the office, learning and living environment, introducing green and efficient lighting products in a timely manner, effectively improving energy efficiency, protecting the environment, improving lighting quality and modernization in new construction and renovation projects. It is imperative to create a good office, study and living environment by internationalization. The choice of modern lighting design and lighting products is to make full use of science and rational use of energy; to directly or indirectly serve humanity. Under the circumstances of fully considering the characteristics of modern building environment and lighting characteristics, the focus is on the scientific selection of the core components of lighting appliances. The quality of lighting, operating costs, building safety, office work, student learning efficiency, equipment and equipment after use. Detecting data and having a vital impact on the pollution and personal injury of the power grid. For example, medical testing and diagnosis conclusions directly affect the treatment and health of patients; therefore, it should be highly valued. At present, the indoor lighting source is mainly fluorescent lamps; the lighting has two ways: an inductive ballast and an electronic ballast. The following is a comprehensive comparison of the use of high-performance electronic ballasts with magnetic ballasts and common electronic ballasts: 1. Comparison with magnetic ballasts: 1. High efficiency and energy saving: The operating frequency of the magnetic ballast is 50HZ. The operating frequency of the electronic ballast is 20~50KHZ, and the luminous efficiency of the lamp is increased by 10% compared with the power frequency at high frequency. Therefore, the brightness of the electronic ballast is higher than that of the magnetic ballast; the electronic ballast itself consumes less power. For example, in the same brightness, the electronic ballast saves about 20~30% compared with the magnetic ballast. In the case of the magnetic ballast, the indoor temperature rise is increased, and the electricity cost for the air conditioning to be cooled in summer is not counted. See the attached table "3AAA high-performance electronic ballasts and magnetic insulation of magnetic ballasts". The use of high-performance electronic ballasts can save 2 to 3 months of electricity bills than high-quality magnetic ballasts, and can gradually recover the cost of lamps. Reduce the operating costs of the property. 2, comfort: Inductive ballast will produce stroboscopic phenomenon, work in this environment, learning visual fatigue. It is easy to produce illusions on rotating objects at high speed, and there are hidden dangers. At the same time, the magnetic ballast emits 50HZ low-frequency noise, which is irritating. For example, when the hospital otolaryngology listening room is illuminated by fluorescent lamps, electronic ballasts should be used to prevent misdiagnosis; when using fluorescent lamps in the ward and waiting hall, it is not advisable to use magnetic ballasts, mainly considering stroboscopic and noise. The patient's discomfort. The use of electronic ballasts can eliminate stroboscopic and protect eyesight. The market-oriented student eye-protection lamps are designed and manufactured with electronic ballasts equipped with three primary color lamps. High-performance electronic ballast without stroboscopic, no noise, eye protection, and use with three primary color lamps, good color rendering, vivid color; high luminous efficiency; low light decay; comfort; purification work, study, living environment ;Improve work efficiency. 3. Safety: Due to the large power consumption of the inductor ballast, the power consumption is converted into heat energy, and the surface temperature rises. Especially when the grid voltage fluctuation is high, the temperature can reach 120~130 °C, which becomes a fire hazard. happens sometimes. The magnetic ballast starts normal operation above +10 °C, and it is difficult to start below -5 °C; the grid voltage is lower than 180V and it is difficult to start normally; because it can not be started once, it is easy to damage the cathode of the lamp and shorten the life of the lamp. The inductance ballast has a low power factor of about 0.4~0.6, which causes a large amount of reactive power to increase the lighting line current and transformer capacity, thereby greatly increasing the line and transformer losses, increasing the power loss and reducing the lighting quality. The operation of the grid poses a threat. After the compensation capacitor is installed, the harmonic current is obviously increased, which causes interference and harm to the power grid and other instruments in the network. High-performance electronic ballast power factor ≥ 0.97, only about 3% of reactive power loss, reactive power saving more than 45%; small harmonic content, the input current waveform distortion is small, almost no pollution to the power grid; and can reduce power supply Capacity expansion of equipment. The electronic ballast adapts to the wide voltage working range and can work normally in the environment of -10 °C ~ +50 °C, safe and highly reliable. The high-performance electronic ballast has a protective effect on the lamp. The number of lamp switches can reach more than 10,000 times. The lamp head has no obvious blackening. In addition to ensuring the nominal life of the lamp, it can extend the life of the lamp by 1.3 to 1.5 times. 4. Environmental protection: Inductive ballasts generate instantaneous high-voltage pulses due to the use of mechanical starters, which cause interference to home appliances and other electrical equipment. With the use of magnetic ballasts, the voltage is too high, too low will shorten the life of the lamp, and the waste of waste lamp recycling will cause mercury leakage and bring secondary pollution. High-performance electronic ballasts extend the life of the lamp, saving the cost and labor of frequent lamp replacement, which is economical and environmentally friendly. To sum up, for the new construction and renovation projects, the magnetic ballast should be completely negated under the conditions of project capital operation and economic conditions.
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