Solar Powered Led Street Light with Intensity Control Ppt

High Intensity Discharge (HID) lamps, often High Pressure Sodium (HPS) lamps are being replaced by more low powered Light Emitting Diode (LED) lamps. A basic solar powered LED street light system components are: 1. Solar Panel or Photovoltaic Module 2. Lighting Fixture - LED lamp set 3. Rechargeable Deep Cycle Battery (Usually Li-Ion battery) 4. Solar Charge Controller 5. Device in solar LED street light system The solar street lighting system consists of many sections. In this chapter, only the Solar panel, the Battery, the Controller and the Led lights are briefly introduced. 2.1 Solar panel 2.1.1 Working principle The Photovoltaic (PV) cell is composed of at least two layers of the semiconductors road rehabilitation of 120 poles sm 08 double arm solar street light seming lightings on katsina-ala bridge. rehabilitation of street lights on makurdi bridge at makurdi. cross river state. dualisation of odukpani - itu - ikot ekpene road in cross river 9.7 km/ akwa ibom state with a spur to ididep 12.2 km. gully erosion control project at eastern naval command headquarters

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5 Reasons to Install Best Led Street Light Fixtures

In today's market, there is tough competition due to technology and innovation. Like, we can see the upgrading of LED street lights from simple street lights. It all happens because everyone now wants to take the benefit of technology. It is worth to use new lighting choices as they provide environmental benefits as well as save energy and cost. LEDs are now using in various fields of life, e.g., Here, in this article, I am going to share 5 reasons to install LED street lights. The LED street light fixtures use less electricity and hence less energy than incandescent bulbs, compact fluorescent lights (CFLs) and other street lightings. Only 5% of energy is convert into heat in LED's, and rest is used to generate light. LED's are perfect to use in building, restaurant and manufacturing industries that can get hot quickly as it reduced energy consumption. These lights emit less heat. Thus, less demand on cooling systems and this makes LED's a safer and cost-friendly option. The LED street lights have a longer lifespan, almost 5 times more than fluorescent bulbs and other street light technologies. Now, you do not need to change fluorescent bulbs regularly. LED's have a superior quality system embedded that can even last up to 100,000 hours. In addition to quality, LED's do not have a filament, due to which they are very durable and stay for a longer time. The LED street light cost has been reduced due to more technology and high competition. Now, they are readily available in the price of fluorescent bulbs and simple street lights, thus making them affordable. The LED street light fixtures also use less energy and convert into 80% of energy. Thus, a slight decrease in your monthly bill and result will be the save of money. The LED street light fixtures are best environment-friendly; they contain no toxic material or mercury. This quality makes them safe to use in homes and offices, and it also helps to reduce toxic when they are disposed of. Installing LED's means to be lowered the toxic in your environment and less waste of packing and transportation too as these two industries are also associated with LEDs. 5. No need for repairing or maintenance Our best LED street light fixtures are a huge time saver as they do not require repairing or maintenance. Unlike fluorescent bulbs that abruptly fail anytime but LED's does not stop working suddenly thus save money on repair and maintenance. If you are planning to install LED street lights, then various options are available in the physical market and online stores. Whether you have a new office or a building for which you are making an installation. You need to do a little bit of research about the quality, offers, design or guarantee before buying LED street lights.

What is The Advantage of Solar LED Street Light? - Blog

With the rapid development in science and technology, solar energy PV products are getting more popular, for example : solar charger, solar generator, solar water heater and solar led street light, ect. In all the different sorts of solar energy products, I think that you will not be strange to solar led street light because solar led street lights are so common nowadays . so what is the advantage of solar led street light? Because solar led street lights do not require any moving parts, they only need to receive sunlight and convert them into electricity. plus solar street light is uneasy to damage and do not need to maintain, so it has a low running cost. Solar LED street light's biggest advantage is energy conservation and environmental protection. Solar led street light utilized solar panel for producing electric power. Solar panel absorbs the sunlight and converts solar energy into electrical energy stored in batteries during the day. The battery provides electricity to the solar led street light at night. It is a kind of energy-saving environmental friendly product because solar power will not produce any waste, pollution, noise and radiation. Thirdly: Easy Installation Traditional street lights need to frame power lined and dig the ground. Solar led street lights only need to fix the lighting fixture and solar panel. it did not need a lot of labor forces and material resources. You may have heard the traditional street light is not very bright and the battery explode. Solar led street lights wo not make you worry like this. its led light source is brighter than traditional street light. Solar led street light is safe and reliable compared with traditional street lights. Solar led street lights do not cause accidents such as electric shock or fire. Solar led street lights are ideal green energy product, and the use of solar street lights will give you a sense of green image and improve our living standards. Solar led street light is more popular than traditional street light.

What to Expect from LED Street Light Projects in the Coming Year - Great Basin Lighting, Inc.

Municipalities are Making The Smart Choice For LED Lighting Projects The year 2020 is shaping up to be a big one for LEDs in general and LED roadway lighting in particular. This post takes a look at the reasons LED street light projects have been trending upward in popularity and will likely continue to do so in 2020. According to the LED manufacturer GE Current, LEDs use roughly half as much energy as traditional light sources such as halogen, fluorescent, and incandescent bulbs. Additionally, because LEDs can be much more precisely aimed, there is less light-and therefore energy-wasted by bulbs that spray light in useless directions. These factors mean that in 2020 and beyond, LED street lighting can help municipalities cut down on their energy usage. Another advantage of LED street lighting is that they last much longer than old-school lighting solutions. According to one figure cited on HowStuffWorks, an LED light can enjoy a lifespan of up to 100,000 hours. For comparison's sake, a calendar year has 8,760 hours in it. The end result for LED street lighting is that cities can spend less money and maintenance crews can spend less time on changing bulbs. Smart LED street lighting is becoming more widespread in different cities, with great results. For instance, intelligent sensors can augment the efficiency of LED lights by turning them off when they are not needed. This can lead to huge cost savings for cities, some of which spend 50 percent of their annual energy budget on street lighting, according to Dan Evans of LEDs Magazine. Traditional light sources are actually fairly bad at creating light but great at creating heat: According to GE Current, for example, incandescent lamps convert less than 10 percent of the power they use into light. The rest of the power is wasted as "infrared (IR) or radiated heat." This can create a burning hazard. LEDs meanwhile, do not pose such a threat. The selling points of practical and decorative LED street lighting have convinced many cities to make the switch. For instance, Rochester recently passed a budget that included a plan to fully convert the city's streetlights to LED technology in 2020, per the Med City Beat. Expect more cities to follow. For Municipal LED Street Lighting in California or Nevada, Contact Great Basin Lighting Contact the professionals at Great Basin Lighting, a west coast outdoor LED lighting company, about how smart cell poles and municipal LED lighting projects can impact and improve everyday living.

How do I control the brightness of an LED street light

Not going to work. LED emitters themselves are inherently constant-current devices. However, the street light is probably a packaged commercial product, designed to accept a constant voltage, and it includes a constant-current power supply. These are usually switch mode, which tend to be inherently multi-voltage, because when they see a lower voltage, they simply hold the switch open for a bit longer, which draws more current. Aside from working on world-market AC power (i.e. 100V Japan through 277V USA 3-phase), this also gives them a natural ability to ride through brownouts at full brightness. It probably has some some capacitors too, to get across those AC zero-crossings without shimmering the LED (which annoys people in motion relative to a point light source, some car taillights do this. ) So, as you dim it by messing with its voltage, it's just chopping harder and pulling more current to stay at full brightness. It will never work. You need to disassemble the light and replace the power supply with one that is friendly to dimming

LED street light power?

LEDs are solid state lighting devices that utilize semiconductor material instead of a filament or neon gas. An LED light is a tiny chip encapsulated in an epoxy resin enclosure, which makes LEDs far sturdier than traditional incandescent light bulbs or fluorescent tubes. Since LEDs don't use fragile components such as glass and filaments, LEDs are able to withstand shock, vibration and extreme temperature. The LED method of producing light loses far less energy to heat than do other lighting technologies. It's dramatically more efficient than the vacuum/filament method used in incandescent bulbs -- sometimes around 85 percent more efficient.

GS Yuasa's LED Street Light Lamp "LEGA:LAMP-R" Wins Prize at 2019 Energy Conservation Grand Prize Event

GS Yuasa Corporation (Tokyo Stock Exchange: 6674; "GS Yuasa") has been awarded the Agency for Natural Resources and Energy Commissioner's Prize in the Product & Business Model Category for its LEGA:LAMP-R street light LED lamp at the Energy Conservation Grand Prize event hosted by the Energy Conservation Center, Japan. The LEGA:LAMP-R is the first LED lamp in the industry to conform to the various Japanese government standards for lamps used in street lights. Up until now it has been standard practice for street light fittings to be replaced when installing new LED lighting. GS Yuasa has made the installation of LED street lighting simpler and more affordable by successfully developing a product that can be installed in existing road lighting fittings and poles but still satisfies stringent standards on light intensity, longevity, brightness, evenness, and glare. The product can also be replaced in the same manner as conventional lamps and facilitates reductions in power consumption of at least 50% compared to energy-saving lamps like high-pressure sodium-vapor lights. The LEGA:LAMP-R also helps to cut down on waste material created during the replacement process because existing light fittings can be used. • The first LED lamp in the industry to conform to Japan's various street lighting standards and specifications. • Highly economical and long-lasting: Boasts a rated life of 60,000 hours (lumen maintenance factor of 80%). • Expected to contribute to the 3R Promotion Campaign, by helping to reduce light fitting wastage because existing road lighting fittings can be reused. This marks the second time GS Yuasa has received a prize at the Energy Conservation Grand Prize event. The first time was in 2001 when the company was awarded the Minister of Economy, Trade and Industry Prize for ECO-CERA, a high-color rendering, long-life, high-efficiency GS ceramic-metal-halide lamp. GS Yuasa recognizes that climate change driven by global warming is a significant issue facing society. The company will make every effort to help reduce the amount of greenhouse gases emitted by society at large by continuing to provide lighting that harnesses the company's energy-saving technologies. *About the Energy Conservation Grand Prize event The Energy Conservation Grand Prize event is an opportunity to broadly share information about companies in Japan that are doing their part to advance energy conservation, as well as the activities of companies that have developed products or business models that attain high levels of energy efficiency. The event is aimed at recognizing companies' outstanding energy conservation initiatives, raising awareness about energy saving, facilitating more wide-spread use of energy-saving products, and contributing to the development of the energy conservation industry and the formation of a low-energy economy.

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How Does Traditional Market Research Integrate Blockchain
Insights network launched the install blockchain, which is one of the most unique blockchain technology use cases seen in the world. In this article, we will discuss how our blockchain Market Research Network works from a technical perspective, and how this technology can improve data quality, reduce costs, reduce fraud, and empower data creators.Next, we will focus on some of the most common problems in the traditional market research industry. Since the birth of the Internet, there has been no innovative standard practice in the traditional market research industry.Problem: low quality users. Unconfirmed false data. The traditional panel only allows users to register and select demographic information. We call it personal data value (age, gender, income level, number of children, pet owner, etc.). IP address detection is the basis for deciding whether to allow consumers to participate in the survey. In some cases, a method called "river sampling" is used to conduct real-time surveys of respondents. In this method, anyone who visits the survey link will begin to be screened for demographic questions and enter the relevant surveys (if available). This will lead to a poor user experience, which we will discuss in another article on this blog.Solution: verify the blockchain account. The submitted value is assigned to the install blockchain account as a hash value after verification. The insights network blockchain authentication account is assigned a hash value, allowing the account to participate in the smart contract. The identity is verified by a third-party authentication partner, and the value of the profile is submitted as an unexplained hash value, so it is impossible to know what value is assigned to each user. We use our patent application zero knowledge proof authentication scheme as a filter to ensure that authentication partners cannot track the documents they are validating. The technology we are applying for patent will be published and disclosed in detail before the end of 2019. Next, you will see the account verification record that occurs in real time and recorded on the blockchain. In this example, the account "fbtiezh3sty4" has received the authentication credentials assigned to its account and submitted to the install blockchain as "commit".Install blockchain record of the validated profile value submitted to the blockchain accountProblem: poor user experience. When conducting the survey on the traditional market research platform, a method called "river sampling" is adopted to conduct real-time survey on the respondents. In this method, anyone who visits the link will begin to be screened for demographic questions and guided to the relevant survey (if any). This leads to a bad user experience, and users constantly jump out of the survey in the process of accepting the survey. This is a waste of investigators' time and creates great frustration among the team members, resulting in a low retention rate of the team. For example, a requester can set a condition that only men aged 30-40 who drive a white car, own a dog and have mortgage debt are eligible to participate in the survey. Instead of predetermining these values before service users, they ask them when investigators conduct surveys. Some surveys may take 45 minutes to complete. Imagine that you spent 25 minutes completing a survey, but when they asked you if you had a pet and you said no, you were rejected. What would you think. This happened to most respondents.Solution: determine the "match" in advance before providing users with investigation opportunities. Through the smart contract on the install blockchain, you can find the value of the blockchain account submitted to each user and the local storage of the encryption profile value on the user's device. Every time a survey opportunity is created and funded, it enters the insights network data exchange smart contract. The contract then polls each device connected to the network for a device that matches the requested survey. The same selection criteria as traditional market research products can be set by the requester, but it does not allow anyone on the local IP address to access the survey - just to pop up unqualified participants afterwards - the smart contract searches for active devices on the network and only shows the survey opportunities to providers who meet the exact criteria specified by the requester. We use the so-called disconnection circuit to calculate the encryption profile value of each user to determine the "match". During the matching process, encrypted data polled for eligible demographic data will never be decrypted - giving users complete control over the visibility of their data. Here is how to record a match on the blockchain:Complete the "matched" install blockchain recordOnce a match is determined, the provider can see an investigation opportunity. Users can view the compensation provided for completing the survey, the personal data requested and the submitted data, and agree when exchanging personal data and responding to the survey. The submitted answer cannot be represented by a hash value.Install blockchain record for data exchangeQuestion: can you really believe these data? Most panel companies that complete the brand survey sample provide data sets to brands in an opaque situation. Previously, the industry has been plagued by the sharing of personally identifiable information (also known as "PII"). However, with the introduction of the general data protection regulation (gdpr) by the European Union (EU), this system has undergone major adjustments. It is illegal to collect consumers' personal identity information and sell it to a third party without consumers' consent. If the PII of consumers cannot be shared, it is more difficult to provide accurate information about the surveyed users. Nevertheless, most online panel companies have completely unauthenticated user databases, and trust in people is the only determinant of data quality.Solution: the blockchain can verify the transaction ID. When running an example on the insights network, the blockchain transaction ID is associated with each respondent. This creates audit trails that are not available in the current market research industry. There is now a clear record of team members' submissions and the relevant summary values of each team member. In addition to transparency, these transaction IDS can also be used as your consent records, that is, the consumers you investigate and exchange data agree to the data exchange you pay for them. Some gdpr laws require applicants to keep records of subjects' consent. Using the insights network, this feature is built-in to the end-to-end experience.The following is a screenshot of the data export of a survey recently launched by insight networ. As the requester, this is the data you paid and the data you received. As an additional feature, insights network uses one-time pad encryption for all data you purchase. This means that insights network cannot pry into the data set you pay as a requester. After you export the data, this is the only time you can export the data.Results of a survey sponsored by insights network on the popular cryptocurrency chainlinkProblem: slow invoicing and long revenue turnover time. At present, the invoicing time of the market research industry needs at least 60-90 days, and a brand can pay the expenses of researchers. This means that team members also have to wait for their bonus. The core reason is the lack of high-quality data and deceptive survey responses that need to be evaluated and filtered from the final data set. This may take several weeks for the brand to comb through the data and determine which data sets are available and which are false. This is a particularly painful experience for group companies because they are waiting for feedback from the brand. Basically, the brand tells them how much they will get from the data set provided by group members.Solution: early data verification and smart contract payment data exchange. As mentioned in this article, the verification of profile values, matching on blockchain and smart contract governance create a more efficient and high-quality end-to-end experience. The last thing to record is the payment scheme. Because surveys can be provided to pre-determined, pre validated audiences, payments occur immediately and are subject to smart contracts. Install cryptocurrency provides funds for the smart contract according to the budget determined by the requester, and pays the provider with blockchain transaction immediately after the provider submits and agrees to the data exchange. The following is the transaction ID of the data exchange smart contract paid to the provider who completed and agreed to exchange in the network.Blockchain transaction ID of payment data exchangeCryptocurrency payments on the blockchain and install blockchain are borderless and can be sent to anyone around the world within 1 second. It also opens up access to emerging markets that were previously inaccessible due to the collapse of their banking systems.Development prospectAt present, we are running the survey sample on the install blockchain network as the first use case of insights network. This technology has unlimited scalability, can safely verify data, and communicate privately on the network in a transparent record, such as sending bitcoin payment to friends. Some future use cases we are dealing with include releasing previously unavailable data exchange / sharing opportunities, such as nuclear power plant data exchange, PII involving Enterprise Market Research (Q4) using secret state data prediction, and simpler use cases, such as receipt data exchange and micro customer experience survey. The most beautiful aspect of blockchain technology is the global cooperation opportunities it provides.Source: blocknet
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عمليات البحث ذات الصلة
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