< p> KEBO UPS
power supply in the future development direction: < / p> < p> 1.
A hardware part of the intellectualized UPS
, is basically composed of common UPS and a microcomputer system.
Microcomputer system through the comprehensive analysis of all kinds of information, in addition to the corresponding part of the normal operation of UPS control function, still should complete the following functions (
German AEGSVSProtect series UPS already do this)
< / p> < p> 2 fully digital.
AEGSVSProtect series UPS adopts new DSP digital signal, digital operation implements the UPS system is 100%.
In this series UPS, AEGSVS company also adopted the triple redundant microprocessor system, with three independent supply power microprocessor to control static electronic rectifier and inverter and bypass, and thus more to improve the system of digitized degree and reliability.
< / p> < p> 3 pulse rectifier technology.
AEGSVSProtect series model adopts 12 pulse rectifier.
Adopts 12 pulse rectifier is obvious advantage is: to increase the UPS power input factor RMS PF to 0.
More than 95, will be the total input of UPS together wave current component drop to below 8%, and thus reduce the input voltage is glad to wave distortion;
12 pulse rectifier, plus built-in input isolation transformer, greatly improving the UPS power transient rush interference protection to the outside world.
< / p> < p> 4 high frequency.
Generation of UPS power switch for thyristor, power transistor on behalf of the second and third generation field control devices,
MOSFET and IGBT)
Power transistor switching speed of an order of magnitude higher than silicon controlled rectifier, MOS field effect transistor -
FET of an order of magnitude higher than power transistor, the current capacity is much bigger than MOSFET IGBT power device, and the conduction resistance is small, the working frequency is lower than MOSFET, but also can make the electric power transformation rate of up to 50 KHZ carrier frequency.
Transform frequency electric rate increase, greatly reduce used for filtering inductance and capacitance, UPS, noise, volume efficiency, dynamic response and precision is greatly improved.
< / p> < p> < / p>
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