According to its working principle, divided into dynamic (also known as rotary ROTATORY TYPE) and static (STATIC TYPE). The dynamic UPS is composed of an engine and a generator set. It drives the AC motor by AC electric drive, thus driving the coaxial AC generator and the inertia flywheel to rotate at the same speed, and the generator is supplied with power to the load. Disturbances due to inertia flywheel voltage for a short time after mutation interference of non response, to ensure the stability of the output voltage; power interruption by the inertia of the flywheel will be rated voltage power supply for another 5 seconds, due to the preservation of data information. Later developed into the internal combustion engine UPS system, but this kind of UPS is bulky, noisy and inefficient. It is not used very much at present. The most commonly used at present, the most commonly used UPS or static UPS, and now generally speaking of UPS is also refers to static UPS, but in concept, or should be clear.
The definition of interactive UPS power is: when the electric power in the range of about 150~264 volts, it provides users with the ferromagnetic resonance voltage regulator or the transformer tap processing General Electric Power (AC power supply the actual use of low quality power supply by this means: the frequency fluctuation, from general electric the power grid by "harmonic pollution" and the formation of high distortion degree and on interference from the power grid is user) for this UPS, only when the power supply voltage below 150 volts or higher than about 264 volts, it is possible to the user to provide the real "UPS inverter high quality sine wave power.
It defines the online UPS power supply is: when the input load, and the UPS itself are in normal operation, UPS power supply input AC power into DC by rectifier, then the DC into AC power through the inverter output standard stable pure sine wave power source, i.e. in all normal under the condition of load is obtained by the output of high quality sine wave power.The definition of the backup UPS power is: when the input load, and the UPS itself are in normal operation, UPS is the only power to do simple step-up, step-down and filter processing, and then output to the load, only when the input power supply does not meet the requirements, UPS will be the battery DC into AC output to the use of load. That is, for most of the time the load is either the input power supply itself or the simple input power source.
Static UPSDynamic UPS is less used, so UPS, which people usually refer to, is mostly static UPS. The static UPS can be divided into three types: Online (ON-LINE), backup (or off-line, OFF-LINE/BACK-UP) and online interactive (LINE-INTERACTIVE).
Ower Supply abbreviation for uninterruptible power supply. By 1960s the rotating generator with static development to certain degree of intelligence electronic circuit at present, it is with the rapid development of electronic technology especially the power device and automatic control technology and the increasingly mature. Its basic function is:When the power supply is interrupted, the power supply will be uninterrupted;Always provide high quality AC power to the load, achieve steady voltage, steady frequency, restrain surge, spike, electric noise, compensation voltage sag, long-term low voltage and other factors interference.
