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| Six trends of Santak UPS power supply |
| Time：2018-10-08 Source： Views：2410 |
Shenzhen Shan Special UPS power supply system, as a high-tech product developed to meet the demand of electricity market, has obvious power protection function: when the power supply is cut off, it can continue to supply power to the load uninterruptedly; when the power supply is unstable, it can avoid the harm of undervoltage and surge impact on the load, and improve the power supply in an all-round way. Electrical quality; when the power supply system (including UPS power supply) failures, can give the load (especially computer and network systems) to a comprehensive protection, and play overload, short circuit, battery overdischarge and other protection, to provide a safe and stable working environment for the load.
With the IT system gradually moving towards centralized management, the application of Shante UPS power protection system will be more in-depth. The application of Shante UPS will change from single machine to redundant structure, from paying attention to the reliability of the system to the availability of the system, from the simple power supply system to ensuring the change of the whole IT operating environment. With the development of information technology, electronic technology and control technology, various advanced technologies have been widely used in the design and development of UPS and the production process. UPS technology will appear the following six major development trends.
One is intellectualization.
Through the analysis and synthesis of various kinds of information, the intelligent system should not only complete the control function of the corresponding part of Shante UPS power supply, but also complete the real-time monitoring of the running UPS, analyze and process the important data information in the circuit, and get the normal function of each part of the circuit. When a fault occurs, it can be timely analyzed according to the test results, the fault location can be diagnosed, and the treatment methods can be given; the necessary emergency protection and control actions can be taken in time according to the needs of the scene to prevent the expansion of the fault impact area; the necessary self-maintenance can be completed, and the function of exchanging information can be input to the computer or at any time. Get information from the Internet.
The two is digitization.
Shante UPS power supply uses a newer digital signal controller (DSP) to digitize the Hall sensor, and achieves 100% digital operation of UPS system. The redundant system of multiple microprocessors is used to control the rectifier, inverter and internal static bypass with multiple microprocessors with independent power supply, thus improving the digitalization and reliability of the system.
The three is high frequency.
The first generation of Sander UPS is SCR, the second generation is high power transistor or FET, and the third generation is IGBT (insulated gate bipolar transistor). The switching speed of high power transistor or FET is one order of magnitude higher than that of SCR, and the current capacity and speed of IGBT power device is much larger and faster than that of high power transistor or FET, which makes the operating frequency of power conversion circuit as high as 50 kHz. With the increase of the frequency of the converter circuit, the inductance, capacitance, noise and volume used for filtering are greatly reduced, and the UPS efficiency, dynamic response characteristics and control accuracy are greatly improved.
The four is redundant parallel machine technology.
By developing new application technology, multi-module redundancy and parallel operation can be realized in UPS, without the need for additional central control components, load sharing, a module problems, load automatic transfer, maintenance can be electrified hot plug-in, greatly improving the power supply reliability of a single UPS. Plus the redundant operation of the UPS system, if a single UPS machine fails, it will be shut down immediately, and other UPS systems will automatically bear all the load, without any impact on the load.
The five is integration.
With the development of information technology, the application field of power supply protection is expanding and the requirements are constantly improving. It is difficult for UPS to meet these requirements alone. The whole power system must be controlled. UPS has developed from the original equipment protection and system protection of pure backup power technology to today's information protection and intelligence. It is not UPS in the original sense, but UPS equipment is only the core component of the system. It can be used in power generation, distribution, transformation, uninterrupted power supply, computer room, power equipment, power cable, data wiring, environmental monitoring and system management.
From the point of view of Shante UPS power supply technology, on the basis of continuous optimization of power output characteristics, the study of power input characteristics makes electromagnetic compatibility and low harmonic pollution an important index. Harmonic processing technology and electromagnetic compatibility design can improve the load characteristics of power supply to power grid, reduce the number of other equipment, and improve the power supply. The concept of green power is beginning to be noticed by people. With the development of electronic technology and computer technology, besides greatly improving the power performance of UPS, the network management of UPS can realize remote monitoring. The digital power control technology enables products to have customized functions. Intelligent design makes it a highly intelligent, supervisable, controllable and adaptive equipment.
From the perspective of information construction, UPS has developed from focusing on electrical performance indicators, reliability and quality to unified standards and specifications, adopting modular and parallel redundancy technology, systematically considering various power supply and power supply equipment, links and system TCO, and improving the reliability, availability and manageability of the entire system involved in UPS power consumption. Rationality, maintainability and extensibility. Integrated application provides users with a complete and effective power application solutions, this expansion direction to meet the needs of information construction, but to meet this change in demand, UPS manufacturers, especially domestic manufacturers, there is still much work to do.
The six is greening.
Harmonic currents generated by various electrical equipment and power supply devices seriously pollute the power grid. With the advent of various policies and regulations,
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