Power control in lighting systems

In the recent years, people have paid more and more attention to the control of light control, and they are able to adopt energy-efficient lighting systems in the indoor and outdoor feet. When we are stable in the new century, they are placed in commercial buildings. It is an indisputable fact that the main problem facing designers, real estate developers and owners is energy efficiency. The efficient use of energy has been a recurring topic in the past 20 years, but when we are involved in this topic today, it may be more theoretical than before shaking. More realistic energy management is a matter of concern to investors. And not just awakening their social conscience, shaking, and improving energy efficiency must provide favorable returns for investors' investment. Rational use of ready-made natural light, compensation for lumen loss of light, compensation for space design, reduction of air-conditioning waste is to save money The method of a stepless continuous lighting control system has a range of 2 to 5 wrists, typically 3 emblems. Natural light is not absolutely necessary for indoor power saving. The lighting control system can't interfere with the user. That is to say, a successful control system should be a sensorless system for the user. The control system can be used in newly installed lighting facilities. It can also be used for the rational design and operation of the transformation project. It is beneficial for the power-saving lighting control system to be connected with the building control system. Experience shows that the simpler the system, the easier it is to operate, and the more reliable it is, the more reliable it is from Einstein lighting control and Energy management, high-intensity discharge lamp 11 dimming, using standard ballasts and starter lights, this new technology can save energy in most lighting systems.

The return on investment is measured by the annual savings of $1,000, and the cost is between 2,000 and 4,000 US dollars, preferably less than 3,000 US dollars. In the year of H, the investment is recovered, including the cost of capital. This is feasible. Only quantifiable parts of the requirements to save energy should also consider improving the existing Wang Zuo environment, without causing interference to the work In addition to energy saving, the successful lighting control system must meet the following requirements: 3 must not cause personnel in the lighting area Interference; high reliability; must meet lighting standards; d must meet E standard; 6 must have a reasonable repayment period Lighting control system can be based on the following two or at least one technology: stepless lighting control; smart switch lighting control.

Both of these technologies play an important role, but in different applications, they must meet the above five requirements. 2 Where to save energy 2.1 Casing attenuation compensation Because all discharge lamps, including the light bulbs, will age or be in use To reduce the luminous flux, a maintenance factor of 0.6 to 8 is usually used in lighting design. That is to say, assuming that the coefficient is 0.7, the brightness level of the new lamp is 3 高 higher than its due level.

When these lamps reach the end of their economic life, their level of illumination is exactly equal to their target design. Using a clever loopless system, you can compensate for this aging process and adjust the brightness to keep it at the target level. Using a suitable control system can save 1 to 2 energy, which is the 2.2 space design compensation that can be accurately measured by shaking. Many factors are unknown when designing lighting, and some estimates are made. Be conservative. Building construction, the current energy-saving Xuanzang loses the foolishness of the only one to fill the sleeping lattice" or the design regulations such as the requirement to use the light bulbs that can be connected with the flaps, etc., can indeed shake to improve the illumination level. In short, space design is widely used, plus the combination of loops and stepless systems, which can compensate for the space design. 23 Natural light utilization Natural light energy saving is difficult to predict, but as long as you understand the details of architectural design, you can It is estimated that the amount of energy saved during the day is very good. In order to maximize the natural light energy saving, it is very important to control the light with the corresponding natural light exposure, which means that the wire is The direction should be flat with the window and proper wiring and reasonable lighting in a typical office environment can save 2 to 3 off. In a factory with top lighting, you can save up to 4 wrists during the day.

2.4 Reducing illumination at specific times By uniformly dimming the light when cleaning or not using, for example, turning down the 5 off, the control can be realized by a timer or a human sensor, and time saving can accurately predict energy saving. If a human sensor is used, the amount of power saving obviously depends on the number of people entering and leaving the building. This requires careful differentiation in advance. 2.5 Air conditioning and energy saving In addition to the energy saving measures discussed above, air-conditioned buildings can be taken from A/load. Benefit from. According to the different A/system and building orientation, the energy saving of lighting can be multiplied by the coefficient of 1.1.8. King 6 uses the energy saved by the stepless system. After using the stepless lighting control system, the overall energy saving can reach 2 to 5 threats. The typical energy saving is 3 emblem. Natural light is not the only switch lighting system that is required to achieve optimal energy savings. Switching systems are usually human. Time or daylight control is based. The switching system can certainly achieve good results, but it may interfere with people, depending on the personnel access mode. It is recommended to consider more carefully before using the system. In many cases, personnel may be disturbed or dissatisfied with the system. It depends to a large extent on the access situation of the personnel, and the unpredictability of the 3 inputs is reasonable. The input of the lighting can be divided into two parts, the initial investment and the operating cost. The initial investment will greatly affect operating costs, which are an important part of the life cycle of the entire lighting equipment. In many cases, the decision to choose lighting equipment is designed by the builders, and these people are not necessarily the efficiency and quality of the entire lighting facility, only to reduce it in the way of thinking. Originally, professional electrical masters were able to provide professional advice during the architectural design process. Therefore, users of buildings should pay attention to the investment in lighting energy saving and lighting control during the design and construction of buildings, and reduce energy consumption and operation. The cost of the initial high investment can be rewarded in a reasonable operating time. For the owner, the benefits are not only the cost reduction in the use of the entire lighting facility, but also a significant contribution to our environmental protection. Two basic systems can be used. The central control system or the decentralized control system controls the entire lighting circuit through a power controller power conditioning component, while the latter only uses the controller as part of the illuminator in the field as a unit power control. In the smart light, it is reflected in the high frequency [1] ballast to meet the requirements of the sixth item. The key is to reduce the cost. In many cases, the central control will bring us a more economical choice. The important thing here is that the system should be able to handle the standard control gears, and more importantly, because the units control the multi-turn The product must meet the requirements of item 3 and the first page. The basic central lighting control system consists of only two parts: the power controller, which is installed at the source of the line, usually in the switchboard or ceiling range and a photoelectric sensor, installed in The on-ceiling photoelectric sensor in the center of the line is calibrated on site, and the jitter is maintained at a constant illumination level. It sends its own signal to the power controller, and the controller adjusts the current delivered to the line. All the illuminators are equipped with There are standard magnetic ballasts. The standard starter and light source use this technology to control the light within the range of 10 谬 to 5 抖, in the case of a smart light, the power range of 10 to 4 is in a larger room. In a factory with uniform space lighting, all lines can be controlled by the same photoelectric sensor, but the central control unit is placed between the photoelectric sensor and the power controller to draw the photosensor setting. It is not easy to determine that the height of a mad factory is usually higher than 4 meters, and it is not practical to make any corrections to the photoelectric sensor. Since the central control unit is mounted on the switchboard, it is easy to change the set value index. The illuminance is controlled by this special technology, even the high-intensity discharge light source can be controlled. The control file of the light source must be of the standard type, and must not contain any power factor correction capacitors, because they will interfere with the power controller's power factor adjustment. It is concentrated on the power controller side according to the type of different lamps, dimming range. Run h Yi iiS to super E only Pan lishi笕o, 10 off the rasarv skillfully i, listen to this simple so indeed but in order to achieve this result, some people spent more than a year to develop and The implementation of such systems has been installed in more than 20 countries in Europe, Asia, Africa and Australia, and is suitable for both new and retrofit projects.

5 compared 19 years KEA Transportation and Wholesale Company began testing 4 different dimming systems [1] Two of the four systems used electronic ballasts, two with low-inductance ballasts, were installed in the same 4 All systems in the office are continuous dimming systems and are calibrated to maintain an illumination level of 500 mountains. Two of the systems using magnetic ballasts fail in the early stages of testing, and the other three run to the end of the test. The master can use the inductive and illuminating mediation system to test the results of the thousands of redundant system tests. It shows the test results of the H system in the reference room of the 236 days on January 25, 1994. Inductance low-consumption ballasts, without any control solution energy of 672 thousand hours, the average energy consumption of two different brands of electronic ballasts is 537 thousand hours, the lighting system using the inductance ballast test results are 295 Thousands of hours, less than 5 without the controller.

6 Conclusion Electric lighting control has become an important issue. No matter which system or technology is used, the five requirements of the energy management lighting control system must be comprehensively measured. In fact, any lamp, high-intensity discharge lamp and fluorescent lamp are The light source can be adjusted by the standard iron controller's gear position without any modification. Finally, a successful power-saving system is not only about energy savings and shortening the payback period, but also to make users happy. In addition to the five standards, service, integrity and reliability are equally important. Sending and most other new technology applications are the same. This article was translated from the 1£ Warsaw Conference Proceedings. The China Lighting Society Image Technology Professional Committee established the China Lighting Society. The Image Technology Professional Committee Founding Conference and Image Color Symposium was held on December 18, 2000 at Beijing Institute of Technology. Mr. Yu Ranqi, deputy director of Ganziguang, director of the China Lighting Society, attended the conference. Professor Zhao Dazun, director of the National Key Discipline Laboratory of Color and Science, Beijing Institute of Technology, introduced the understanding of image technology and the establishment of this professional committee. The reason for this, discussed the specific professional business areas and work tasks of this professional committee, and clarified the priorities of 2001.

Professor Li Wei from the National Key Discipline Laboratory of Color and Science, Beijing Institute of Technology, gave a report on the uniformity of the uniform color space of the basic IEA97S. He was invited by experts and scholars from the conference to participate in the Beijing Institute of Technology.

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Rectangular Sensor Automatic Dustbin

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