Special UPS power supply industry solutions and selection methods for electric power. With the rapid development of information technology, high-end and intelligent equipment are used in various fields, and special UPS power supplies for electricity have also emerged. It can provide more stable AC power for load equipment, ensure the normal operation of various electronic power equipment, and better protect electronic power equipment.

　　Power UPS power industry solutions

　　As one of the indispensable energy sources in the 21st century, the electric power industry is a key basic industry in the country and is related to the national economy and people's livelihood. In order to build a safe and reliable power dispatching system, effectively ensure the safety of power supply to the grid, and effectively reduce power failures, power companies in various regions continue to strengthen the construction of power information infrastructure. At the same time, the development of smart grids has also led to the strengthening of information technology such as power dispatch centers and substations. With the transformation, the power dispatch center and important substations have also become a large-scale information data collection, transfer, and communication center. Therefore, a safe, reliable, stable, and high-quality power supply is needed to provide power for the dispatch communication center and information center equipment.

　　Dedicated power UPS power supply is a device that provides independent power supply for control and protection equipment in the power system. At the same time, some important power load power supplies, such as lubricating oil pump power supply systems that ensure the start and stop of generator sets, large factory electrical equipment, hydrogen sealed oil and electricity system power supplies, major thermal power supplies, and UPS uninterruptible power supplies and emergency lighting power supplies Systems, etc., due to extremely high safety and reliability requirements, need to use a DC power supply system that is equally reliable as the control power supply system.

　　Therefore, the DC operating power supply of power UPS system has extremely high requirements for reliability. Whether it is a large hub substation, a small or medium-sized substation, or a special, water or thermal power plant, it requires high reliability of the DC power supply system. Through the reasonable design of the power-specific UPS power supply system, the reliability and collaborative work of each discrete component, and the redundant configuration scheme, the power system can meet the DC operating power supply.

　　How to choose a dedicated UPS power supply for electricity?

　　Because the UPS power supply for electric power mainly takes the output power as the nominal rated capacity, for many users, when actually selecting the power supply model, they should make a reasonable choice based on the power, power factor, load type and other specific conditions of the electrical equipment. Choose UPS power supply.

　　When making the selection, it is necessary to clarify the quotation of the power UPS power supply and the specific selection method. The main reason is that there are currently many types and brands of UPS power supplies sold in the market. Different types of UPS power supplies will naturally have certain differences in their corresponding advantages and related precautions. Only when users clearly understand their own needs can they ensure that the UPS power supply they choose can meet their own needs.

　　Pure resistive loads mainly include incandescent lamps, resistance wires and other equipment. When selecting a UPS power supply, the load power is relatively small. Of course, this type of equipment is relatively light, so it is relatively simple to install and more convenient to carry.

　　Depending on the device power, delay requirements. Make a configuration plan. The longer the delay time, the greater the capacity or quantity of the configured battery pack.

　　Characteristics of special UPS power supply for electricity

　　1. The professional UPS power supply customized for the electric power industry adapts to the harsh power grid environment within the electric power industry, meets the load requirements of the electric power industry, and allows users to no longer have to worry about the three-phase unbalance of the load.

　　2. The 1+1 redundant parallel working mode adds another safety lock to the power supply system to meet the extreme needs of power industry users for UPS high reliability indicators.

　　3. Make full use of the 220V/110V large-capacity battery packs in the power industry to maximize the backup time of the UPS and save the installation space and initial investment of the battery pack.

　　4. Optional bypass isolation transformer can achieve complete isolation between input and output, and ensure that the output zero-ground voltage is <1V.

　　5. Rich dry contact monitoring signals can be incorporated into the power plant's own DCS monitoring system; if problems occur, they can be reported in time to facilitate real-time monitoring of the UPS by the on-duty personnel.

　　Composition of power UPS power supply

　　The power UPS system generally consists of three parts: the power UPS host, the bypass voltage stabilizing cabinet, and the output feeder cabinet (three-in-one can also be used for low power).

　　Electric UPS power supply main cabinet: input and output isolation transformer, rectifier, inverter, static bypass switch, bypass switch, backstop diode;

　　Bypass isolation voltage stabilizing cabinet: bypass isolation transformer, bypass voltage regulator, manual/bypass maintenance switch;

　　Feeder cabinet: loop distribution unit, monitoring instrument, control switch and signal indication, etc.;

　　Dedicated online UPS power supply for electric power is a new generation power supply specially designed for power plants and substations. It has online and zero-delay conversion functions. It is mainly used in places where the load has high voltage requirements, such as electric power remote control, RTU, DCS system, electric power Carrier, monitoring, etc. It adapts to the harsh power grid environment within the power industry, meets the load requirements of the power industry, and allows users to no longer have to worry about the three-phase unbalance of the load.

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