The application, prospects and role of UPS battery energy storage technology in the power grid. Energy storage technology is an indispensable basic prerequisite for human society to move toward a low-carbon economy, and it is also a necessary condition for promoting energy-based development. The application proportion of lithium batteries in the energy storage market continues to increase. At the same time, the energy storage market has also brought huge development space to the lithium battery industry, prompting many battery companies to enter the energy storage market. The field of lithium battery energy storage has also been closely watched. Faced with huge market demand and potential, domestic energy storage companies UPS batteries are like a sleeping lion ready to go. Today, the editor will introduce to you the application, prospects and role of UPS battery energy storage technology in the power grid.

　　Application of UPS battery energy storage technology in power grid

　　1. Data center

　　With the continuous advancement of lithium battery technology and the continuous reduction of costs, the compact UPS battery can reduce the space occupied by 50-80%, playing an important role in data centers. Nowadays, lithium battery UPS energy storage power supplies have also begun to enter data centers to provide continuous and uninterrupted power supply for servers, storage, data and other IT equipment. Lithium batteries have begun to enter the UPS battery market. The editor believes that the use of lithium battery UPS in data center power supply systems will become a trend.

　　2. Industrial control equipment

　　Industrial control systems require high-quality, high-stability power supplies. When the power grid system suddenly loses power, there must be a power supply to maintain power supply for a certain period of time in order to protect the data of the industrial control system and keep the field instruments and regulating valves in a safe position. At the same time, it is also necessary to ensure that the process can perform emergency processing to prevent Accidents happen.

　　The UPS battery consists of a control cabinet and an energy storage lithium battery pack. It is an important external device that can provide continuous, stable, and uninterrupted power supply.

　　3. Fire rescue

　　The UPS battery energy storage power supply looks like a trolley box, which can be moved at any time and is easy to carry. It is small in size and has high power, so it is widely used in outdoor emergency power supply and other scenarios. In the outdoors, various emergencies are common. When natural disasters and emergencies occur, such as earthquakes, tsunamis, mudslides and other sudden disasters, most areas will lose power or even be paralyzed. At this time, search and rescue work will be blind without power, and it will be impossible to provide protection for the masses. Disaster reduction, medical treatment and other related assistance.

　　At this time, lithium battery UPS emergency power supply can help fire rescue personnel provide reliable, uninterrupted and stable power supply in the wild at night to ensure the normal development and operation of work.

　　4. Financial industry

　　Banks and financial companies must maintain many small systems that require individual power protection. ATMs require online UPS protection to avoid possible power supply abnormalities. Cost challenges include ATM’s average daily power consumption of 1~3kW, as well as issues with its auxiliary equipment, routine power outages or alternative power supply methods. The cost of downtime caused by the inability to process important work is considerable, and the average cost per hour of downtime will also increase as the BFSI department adopts automated operations.

　　The prospects and role of UPS battery energy storage technology in the power grid

　　There are currently many energy storage technologies in the world that can provide a variety of services. These technologies include supercapacitors, superconducting magnetic energy storage, lead-acid batteries, lithium batteries, sodium-sulfur batteries, flow batteries, flywheel energy storage, compressed air energy storage, pumped hydro energy storage, etc. These different technologies can provide diversified power supply power and power supply duration, and can be applied at three levels: UPS system, peak-shaving and valley-filling grid transmission and distribution system, and large-capacity power management system.

　　In terms of providing large-capacity energy services, energy storage technology can greatly increase the power supply capacity of the grid and enable power operators to profit from the peak-valley electricity price difference. In addition, energy storage technology can also provide many auxiliary service functions for transmission infrastructure, distribution infrastructure, user energy management, etc., such as: supplementing wind and solar systems with spinning reserve capacity, black start, and cooperation with supervision.

　　Energy storage technology can play a role in all aspects of the power system. The first is to cooperate with traditional power generation technology on the power generation side to increase the grid connection rate of clean energy. On the power generation side, large-capacity energy storage systems can serve as auxiliary service facilities for power plants, stabilizing voltage and flow for unstable power sources such as solar and wind power. Second, in the transmission and distribution link, energy storage technology can be used in substations to cut peaks and fill valleys. The application of this link is becoming increasingly important in the United States. Energy storage technology can be used as a technical upgrade for substations in the distribution network, delaying the upgrading of the power grid and reducing costs. Third, in the consumption stage, energy storage technology is applied both “before the meter” and “after the meter”. In terms of "before the meter", on the east and west coasts of the United States, especially the east coast, power grid companies are actively investing in the construction of energy storage facilities. Because these areas are vulnerable to hurricanes, energy storage facilities can make the grid more resilient and stable against hurricanes.

　　"Behind the meter," energy storage facilities provide services to users, such as Tesla's charging walls. In some parts of the country, charging electric vehicles at certain times of the day can help with grid peak shaving, and it can pay off. In addition to California, states such as Illinois, New York, New Jersey, and Texas have also established good incentive policies to encourage consumers to set up energy storage or self-generation facilities behind the meter.

　　The main function of the lithium battery UPS is to provide power for electrical appliances. Most of the time, the lithium battery UPS stabilizes the voltage between the mains and the load. It will only release the normally stored energy when the mains is interrupted. out and supplied to the load.

　　Lithium batteries have not been used as UPS energy storage power sources for a long time. Before that, lead-acid batteries were the primary choice for UPS power storage batteries. However, lithium batteries have suddenly emerged and have been favored by users and the market in just a few years. More and more manufacturers and users prefer UPS batteries to lead-acid UPS.

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