Glossary

Net shape

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The mains form is decisive for the selection and operation of UPS systems. Grid forms are classified according to the standards according to the type of earthing system and the treatment of the neutral conductor. For the operation of UPS systems, it is important to consider the correct grid type, as it has an influence on the performance and safety of the power supply. There are three common mains forms:

  1. TN mains (with the variants TN-S and TN-C): This type of mains is suitable for many industrial applications and ensures safe earthing and a stable power supply, which is required for UPS systems.
  2. TT grid: This type of network is often used in smaller applications and requires careful earthing to ensure the functionality of the UPS to ensure that.
  3. IT network: Used in special applications where galvanic isolation between neutral and earth is required, which can also be relevant for UPS systems that supply sensitive devices.