Food without interruption

See also: ASI

A food without interruption (or ASI , or in English UPS , in Uninterruptible Power Supply ) is a device of the electronic of power which makes it possible to provide to a electronic system electric or a Power supply stable and deprived of cut or Micro-coupure, no matter what it occurs on the Electrical communication.

It is consisted of the setting in cascades of an assembly Redresseur, a device of storage of energy (Accumulator battery, Supercondensateur S, Volant of inertia, etc) and of a Onduleur functioning with fixed frequency.

The term Onduleur is frequently used to indicate this type of food. It is the case, for example, for the inverters which one intercalates between the distribution network and the computers.

In the field of the transmission of electricity, one speaks about BESS ( Battery Energy Storage System ) for storage by batteries and about SMES ( Superconducting Magnetic Energy Storage ) for storage by superconductive Inductance .

Another technology is based on the storage of energy in kinetic form and the use of a synchronous machine fixed on the network taking over in the event of cut. One then speaks about ASI Dynamique (English: D-UPS , Dynamic Uninterruptible Power Supply ).

Topologies of the ASI

On standby passivates

In interaction with the network

With double conversion

Bonds

Operation of a ASI (animation Flash)
Description of a dynamic ASI
Standards & topologies of the ASI
(in) different The types off UPS systems

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