86
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6. Assembly of the switchgear at site
Anti-ferroresonant resistor for voltage
transformers open delta connection
When using a ferroresonance resistor for VTs
open delta connection is necesary to adjust the
position of this resistor during site installation.
The ferroresonance resistor is placed on the top
of switchgear on the CB relief flap for the
transportation (Figure 132). When moving the
resistor from relief flap to LV compartment (LVC)
please follow pictogram (Figure 133) on the top of
LVC. The resistor has to be fixed by means of
screws on the top of the LVC (Figure 134).
Assemble resistor prior to instalation of
preassure relief gas duct. Pay attention to the
resistor’s wires whilst installing gas duct.
Figure 132:
Figure 133: Figure 134:
Pictogram on the top of LVC Correct position of anti-ferroresonant
resistor
Transport position of
anti-ferroresonant resistor
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