Trasformatori elettrici
Stabilizzatori di tensione
Convertitori di Frequenza
UPS, Inverter, Alimentatori
I dati tecnici riportati sono solo indicativi e possono essere variati in qualsiasi momento senza alcun preavviso
K-FACTOR SRL unipersonale - Via Giotto 9
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42014 Castellarano (RE) Italy - C.F. e P.IVA (VAT#) IT 02422010369
R.E.A. di RE n. 286968
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C.S.
€
10.000,00
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N. Iscrizione Reg. Imprese di RE: 02422010369
Tel +39-0536261380
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e-mail: [email protected] - http://www.kfactor.it
01
ISO9001
5) Make the mains and load wiring connections with proper wiring to the rated current and the distance to be reached.
On the transformer side there is a ground bolt, connect this, the screen (if present) and the structure of the metal box to
the equipotential ground bar
6) Transformers must be protected both on the network input side and on the user/load side with magneto-thermal, fuse
or earth leakage automatic circuit breakers depending on the operating conditions of the plant and the regulations in
force for the plant itself.
7) Consider the insertion currents and install adequate protection to avoid unwanted disconnections at the start up.
Typical Transformer Connection Groups
Vector group
PRI
SEC.
PRI
SEC.
Dyn11
(YNd11)
YNyn0
In case of a transformer made with YNyn0 connection group, there will also be a NEUTRAL bolt on the primary side.
In case a number of taps is provided with the transformer, it could be necessary to rotate (or move) the link to the
appropriate bolt or terminal. The picture below shows the proper link connection to 400V primary.
In case a different voltage is required, unscrew the bolts tightening the link, keep unchanged the connection to the
unnamed terminal and position (rotate) the link to the required tap value.
