< p> do you know what is UPS
uninterruptible power supply?
What effect does it have?
Small make up for you to break down today.
< / p> < p> is the abbreviation of uninterruptible power system, UPS uninterruptible power supply
, is the translation of UPS power supply for short.
Just as its name implies is uninterrupted power supply, its characteristic is uninterrupted.
For precise instrument, electricity to its damage is very big, UPS power supply can for its continuous power supply when mains interruption, guarantee the equipment can work normally.
, you can refer to ups sales information, < / p> < p> mains besides outage, there are a lot of people can't see issues, such as harmonic, distortion, surge, surge, frequency drift problems such as electricity, these problems to the precision and service life of the instrument.
So UPS power supply
in addition to the uninterrupted power supply, also have the voltage regulator, surge protection, protection of the harmonic distortion, stable frequency, and so on.
< / p> < p> the operation of the UPS
power supply principle is this: when the mains is normal, to load equipment by mains power supply, rectifier or floating charger to UPS battery to keep the battery is in a state of full of;
Open when the mains failure or interruption, UPS battery power supply mode, suspended until the battery discharge or back to the grid when mains is normal working mode, and then began to recover the battery charge.
< / p> < p> < / p> < = '热解色谱- p类
Caption '> UPS power supply < / p> < p> * UPS uninterruptible power supply related nouns explain: < / p> < p> 1.
W and VA < / p> < p> W and VA is the capacity of UPS power supply unit, W as the effective power, VA for the apparent power.
Nominal value of UPS power supply for VA, general will give you the W value of corresponding technical parameters, the power factor of a conversion between W and VA.
For example, 400 w / 500 va can be concluded that power factor is 0.
There's a power factor because in a communication system, part of the current (
Do not supply the load, the resulting apparent power VA, effective power is greater than W.
< / p> < p> 2。
Marking machine and lead UPS < / p> < p> UPS uninterruptible power supply system is mainly composed of host and UPS UPS battery.
When the battery in a UPS mainframe is the marking machine, battery is not in the mainframe is lead.
Marking machine capacity is small, the power supply when the power is cut off time is shorter, generally for 5 -
Lead is outside with battery, according to the load power and need to configure the power supply time.
< / p> < p> 3。
Tower and racks of UPS power supply < / p> < p> tower (
And rack type (
Refers to the UPS installation.
Frame type is UPS host placed on the rack, tower machine placed directly on the ground.
RM logo is the rack type, not for the tower machine.
< / p> < p> 4。
Power frequency and high frequency machine < / p> < p> machine UPS power frequency is used as a rectifier and inverter power frequency transformer parts of UPS power supply;
High-frequency machine based on high frequency switching element to replace the industrial frequency transformer rectifier and inverter in the heavy, small volume and high frequency machine.
Power frequency machine widely used in telecommunications, securities, electric power, transportation, industry and other industries.
High frequency machine is suitable for middle and small data centers, network management center, enterprise server room, etc.
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