1. Intelligence
According to the analysis of various information, the intelligent control system should monitor, analyze and solve the key data information in the power circuit in real time, and obtain the role of whether everything is normal in the work of each part of the power supply circuit. When a fault occurs, it can be diagnosed and resolved. take necessary emergency protection actions on the spot to prevent the expansion of the impact area; Complete the necessary self-maintenance and get the latest information from the network at all times.
2. Digitalization
UPS used a new analog signal control board (DS P) to digitize Hall elements and complete the digital operation of the UPS system. The use of a multi-microprocessor redundant system with multiple microprocessors from separate power supply systems to control the rectifier, inverter power supply, and internal static data bypass improves the system's digitalization and reliability.
3. High frequency
The main power switch of the first generation of UPS power supply is a thyristor, the second generation is a high-power transistor or field-effect transistor, and the third generation is an IGBT (insulated gate bipolar transistor). The power switching rate of a high-power transistor or field-effect transistor is an order of magnitude higher than that of a thyristor, and the current volume, volume, and speed of IGBT power electronics are much higher than that of a high-power transistor or field-effect transistor. Due to the increase in the frequency of the conversion power supply circuit, the inductor and power capacitor used for the filter and their noise and volume are greatly reduced, and the high efficiency, dynamic response characteristics and linearity of the UPS are greatly improved.
Fourth, redundant parallel technology
According to the new application technology developed, the data redundancy and parallel processing operation of multiple control modules in the UPS power supply can be completed, without the need to upgrade the additional intermediate control system and load equalization. When a problem arises with a control module, the load is fully automatically migrated and the heat exchanger that can be used for power is maintained, further improving the reliability of the power supply system for the individual UPS power supply. In addition, the system, which consists of multiple uninterruptible power supplies, operates redundantly. If a single UPS fails, it shuts down immediately and the other UPS systems automatically take all loads without any impact on the load.
5. Integration
With the development trend of information management, the main purpose of switching power supply maintenance continues to develop, and the regulations continue to improve, and UPS must operate the stage related to the overall consumption of the power supply system in order to meet this requirement. UPS has evolved from the initial technical development trend of pure backup power supply for machine and equipment maintenance and system protection to today's privacy protection, intelligent management methods, and integrated application of the overall computer room. Its content has long been extended to power generation, power distribution equipment, conversion, UPS power supply, computer room, mechanical and electrical equipment, cables, data information wiring, environmental monitoring and management information system, etc., is no longer the original UPS, UPS equipment is only a key component of the system software.
From the technical perspective of UPS power supply, on the basis of continuously improving the frequency characteristics of the power supply, the research on the input characteristics of the power supply has made its compatibility and low harmonic dyeing the focus. With the development trend of electronic information technology and electronic information technology, in addition to further improving the characteristics of switching power supply, UPS power supply network security management can also complete real-time monitoring. The data output power control system enables the product to be customized, and the intelligent design makes it a highly intelligent machine that can be supervised, manipulated and responsive.
From the perspective of information construction, UPS has evolved from focusing on electrical performance indicators, reliability and quality to unified standards and specifications, adopting modular and parallel redundancy technologies, and systematically considering various supplies, power equipment and links, and system TCO to improve the reliability, availability, manageability, maintainability and scalability of UPS. Integrated applications provide users with a complete and effective solution for power applications. This expansion direction meets the needs of information construction, but uninterruptible power supply manufacturers, especially domestic manufacturers, still have a lot of work to do to meet this demand change.
6. Greening
With the issuance of various laws and regulations, the call for zero-pollution emerald green switching power supply equipment is getting higher and higher. In addition to installing efficient input filters, UPS should also use power factor calibration technology at the input of the power grid to remove harmonics caused by the rectifier low-pass filter and compensate for the input power factor. The ballast selects IGBT technology, which can make the input power factor close to 1, and reduce the environmental pollution of the power grid to a level close to the resistant load.
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