1. Intelligent UPS power supply
Through the analysis and synthesis of various types of information, the
intelligent system should not only complete the control function of the normal
operation of the corresponding parts of the UPS, but also complete the real-time
monitoring of the running UPS, analyze and process the important data
information in the circuit, and draw various conclusions from it. Whether some
circuits are working normally and other functions; when the UPS fails, it can
conduct timely analysis based on the test results, diagnose the fault location,
and provide treatment methods; take necessary emergency protection control
actions according to the needs of the site in a timely manner to prevent
failures Expansion of influence; complete necessary self-maintenance, have the
function of exchanging information, and can input information to the computer or
obtain information from the networked machine at any time.
2. UPS power digitalization
UPS uses the latest digital signal controller (DSP) and digitized Hall
sensor devices to achieve 100% digital operation of the UPS system. A multiple
microprocessor redundant system is also used, using multiple microprocessors
with independent power supplies to control the rectifier, inverter and internal
static bypass, thereby improving the digitalization and reliability of the
system.
3. High-frequency UPS power supply
The power switch of the first generation UPS 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 switching speed
of high-power transistors or field-effect transistors is an order of magnitude
higher than that of thyristors, and the current capacity and speed of IGBT power
devices are much larger and faster than that of high-power transistors or
field-effect transistors, which reduces the operating frequency of the power
conversion circuit. up to 50kHz. The increase in the frequency of the conversion
circuit greatly reduces the inductance, capacitance, noise, and volume used for
filtering, and greatly improves UPS efficiency, dynamic response
characteristics, and control accuracy.
4. UPS power supply redundant parallel technology
Through the development of new application technology, multi-module
redundant parallel operation in the UPS can be realized without the need for
additional central control components. The load is evenly distributed. When a
problem occurs in a certain module, the load is automatically transferred and
hot-swappable for maintenance. , greatly improving the power supply reliability
of a single UPS. In addition, the system composed of multiple UPS operates
redundantly. If a single UPS fails, it will be shut down immediately, and other
UPS systems will automatically bear the entire load without any impact on the
load.
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5. UPS power supply integration
With the development of informatization, the application fields of power
supply protection continue to expand and the requirements continue to increase.
It is difficult for UPS to meet these needs alone. It must control the links
involved in the entire power system. UPS starts from the initial equipment
protection and system protection. Pure backup power technology has developed
into today's integrated applications of information protection, intelligent
management and overall computer room integration, and its connotation has
expanded to power generation, power distribution, conversion, uninterruptible
power supplies, computer rooms, power equipment, power cables, data cabling, and
environmental monitoring. And system management, etc., it is no longer UPS in
the original sense. UPS equipment is only the core component of the system.
6. The development trend of customer integration demand will be further
strengthened
With the advancement of science and technology, users are no longer
satisfied with the power guarantee function of a single UPS, and have begun to
care about the reliability and availability of the entire power supply system,
the physical infrastructure that supports the entire data center, and its
operational efficiency. The integrated demand of downstream customers for the
products and services of UPS manufacturers will guide equipment providers to
provide corresponding solutions. The major UPS manufacturers in the future will
no longer be just a single UPS supplier, but will become a provider of overall
solutions for power quality.
7. Green UPS power supply
The harmonic currents generated by various electrical equipment and power
supply devices seriously pollute the power grid. With the introduction of
various policies and regulations, the call for pollution-free green power supply
devices is getting louder and louder. In addition to installing a
high-efficiency input filter, the UPS should also adopt power factor correction
technology at the input end of the power grid, which can not only eliminate the
harmonic current generated by the rectifier and filter circuit itself, but also
compensate for the input power factor. The rectifier uses IGBT technology, which
can increase the input power factor to close to 1, and the pollution to the
power grid has been reduced to the level of a resistive load.
8. UPS power network
In the Internet age, there is also a need for "network UPS", which has
larger power storage, can serve multiple computers or other peripherals at the
same time, and can achieve dynamic configuration between loads through some
mechanism.
In recent years, the country and industry have increased investment in the
UPS power supply market. Both at the technical level and at the product level,
the UPS power supply market has undergone great improvement and development. The
accelerated pace of informatization construction in application fields will
inevitably drive greater market demand for UPS uninterruptible power
supplies.
Integration With the development of informatization, the application fields
of power protection are constantly expanding and the requirements are constantly
improving. Energy storage electrical UPS products are widely used in:
communications, electric power, public security, finance, network, medical care,
security, industrial automation, rail transit, In aerospace and navigation and
other fields, lithium battery UPS has been widely used in various fields. Let me
give a few examples:
Vehicle-mounted UPS application - aircraft control vehicle of the Ministry
of Aerospace
Communication base station application——China Mobile
Transportation Application—Shanghai-Chengdu Expressway
Industrial field application——Baosteel Group
Data center - school computer room power supply
With the performance of UPS power equipment and the application advantages
in corresponding fields, lithium battery UPS power technology will continue to
expand in the future, and the UPS market demand will continue to increase in the
future. Let us wait and see.
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