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The rapid development of green energy technologies, often supported by local and national government policies, has resulted in solar power applications and solutions quickly coming online throughout the world. One such solution, known as Concentric Solar Power (CSP), is a thermal storage system that compensates for variations in the supply of solar energy over a single day. As a result, this system continues to generate electricity and supply power during cloudy or rainy days as well as during the nighttime. Implementation costs, product lifespan, and energy storage efficiency levels are superior to rival technologies, giving CSP the potential to be a green energy application that operates stably and continuously around the clock while supplying low-cost electricity.
The Shouhang Resources Saving hundred-megawatt molten salt solar thermal power plant in Dunhuang is the first molten salt solar thermal power plant in Asia that can generate power continuously over 24 hours.
China''s First "Hundred Megawatt Solar Thermal Power Plant Operation Result Release" Conference was jointly held by the People''s Government of the City of Dunhuang, Beijing Shouhang Ihw Resources Saving Technology Co., Ltd. and CSPPLAZA Solar Thermal Power Generation Network on December 28, 2018. During the conference, the vice president of Shouhang Resources Saving, Huang Wenbo, detailed the results of the on-grid operation of the power plant and shared his experiences regarding construction, debugging, operation, and maintenance.
The plant is located in the Solar Thermal Park in Qili Town, Dunhuang City and takes up 800 hectares. One special feature is the facility''s use of mirrors: Taking up 140 square meters, there are 1525 heliostats, consisting of 53375 mirrors, arranged in a circular configuration around the heat-absorbing tower which can be seen on the Google satellite positioning map.
The heat-absorbing tower located near the center of the site is 260 meters tall. It is Asia''s tallest heat-absorbing tower for solar thermal power plants. Using 100% solar energy, it delivers new energy generation without causing environmental pollution. The project uses a total of 5800 tons of molten salt as a medium for heat absorption, storage, and exchange. It can generate electricity for 15 hours without light.
Satellite Positioning of the Shouhang Resources Saving Solar Thermal Power Plant
Withredundancy and intelligent management, operators can monitor networkconnectivity in real time, remotely control network devices, and view all powergeneration information to ensure efficient and sustainable operation of solarthermal power stations under any conditions. The control center sendsinstructions to the heliostats arranged in a circular configuration around thetower. By angling the mirrors according to the sun''s movement, they can fullyabsorb the maximum amount of solar energy.
This is the China''s first hundred-megawatt commercial solar thermal power plant put into operation. With an annual power generation capacity is 390 million kwh, it reduces carbon dioxide emission by 350 thousand tons per year; equivalent to 10 thousand acres of forestation for environmental protection benefit.
The successful launch of Shouhang''s project sets a new milestone in the development history of the domestic CSP industry and has greatly boosted confidence in developing the country''s first CSP demonstration projects. When it comes to a solar power station in the desert area of Dunhuang or other harsh environment applications, Advantech''s one-stop hardware and software integrated network solutions not only help save time and effort in building a stable network system, but also make monitoring a large number of devices easier through remote management.
Working together, Advantech and Shouhang are excited to build a brighter future of new green energy!
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Over the last two decades the global electricity consumption market has been growing at an average yearly reported level of 3.1%. One of the largest consumer sector are buildings, and in particular the residential sector. Managing efficiently the flow of electricity in a house is important, not only from the point of view of the owner''s electricity bill, but also from the point of view of global consumption, as well as from the point of view of the electrical grids. In fact, traditional grids find it difficult to cope with this increasing demand, exacerbated by the integration of extensive variable energy resources, such as renewable energy systems.
Lu et al.5, where the results of the proposed HEMS are compared with other energy management systems, showing the effectiveness of the proposed model, through case studies that allow reducing energy costs in both summer and winter;
Baek et al.6, where results are compared when demand response is employed and when it is not. They demonstrate that the strategy presented with demand response is superior;
Lyu et al.7, where the proposed methodology allows to reduce house costs by 53% and reduce Peak-to-Average Ratio (PAR) by around 70%.
Energy monitoring is a key point of a HEMS; it can be done installing measuring devices at every load of interest or using Non-Intrusive Load Monitoring (NILM) methods, which disaggregate the overall usage, using a measure of the load at the utility service entry. Research, however, is still needed in this field, specially in terms of simple algorithms, without requiring either special-purpose hardware or the use of high-sampling power data.
Excellent reviews on NILM algorithms can be found in the works of Georgios Angelis et al.19 and Ruano and co-workers20,21.
The main stages in a NILM application are21:
Data collection: electrical data, including current, voltage, and power data, are obtained from smart meters, acquisition boards or by using specific hardware;
Event detection: an event is any change in the steady state of an appliance over time. An event implies variations in power and current, which can be detected in the electrical data previously collected by means of thresholds;
Feature extraction: appliances provide load signature information or features that can be used to distinguish one appliance from another;
Load identification: using the features previously identified, a classification procedure takes place to determine which appliances are operating at a specified time or period, and/or their states.
About 390 kWh energy management
As the photovoltaic (PV) industry continues to evolve, advancements in 390 kWh energy management have become critical to optimizing the utilization of renewable energy sources. From innovative battery technologies to intelligent energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
When you're looking for the latest and most efficient 390 kWh energy management for your PV project, our website offers a comprehensive selection of cutting-edge products designed to meet your specific requirements. Whether you're a renewable energy developer, utility company, or commercial enterprise looking to reduce your carbon footprint, we have the solutions to help you harness the full potential of solar energy.
By interacting with our online customer service, you'll gain a deep understanding of the various 390 kWh energy management featured in our extensive catalog, such as high-efficiency storage batteries and intelligent energy management systems, and how they work together to provide a stable and reliable power supply for your PV projects.
