ABB TJC 6_1VLC000521 Indoor Voltage Transformers,
The TJC 6 single-pole insulate voltage transformers cast in epoxy resin,
and designe mostly for insulation voltages of 17,5 to 25 kV.
Insulation voltages different from the above are subject to an agreement between the manufacturer and the customer.
If no other value is require the transformers are manufacture,
with a overvoltage factor of 1.9 x Un/8 hrs. One outlet of the primary winding,
including the respective terminal is insulate from the earth to a level which corresponds to the rated insulation value.
The transformer is designe to support up to four secondary windings,
although standard configurations typically include two or three secondary windings.
One or two of these secondary windings are designate,
for measurement and/or protection applications,
while the other last one is intende for integration into an open-delta configuration within a three-phase system.
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