Network Transformers - Augier

TED TTT - 5, 10, 16, 25, 32 kVA
TYPE
Three-phase transformer for three-phase networks. Caste in
resin, corrosion resistant, water-tight, plugin connection
designed for directly buried installation.
Protection degree : IP 68
Primary voltage : 5500 V (1)
Primary winding insulation level : 7.2 kV
Secondary no-load voltage : 410 V (2)
Secondary winding insulation level : 1.1 kV
Coupling : Yzn 11
Dielectric : oil
Power rating : 5 - 10 - 16 - 25 - 32 kVA
Nominal power depending on public
lighting standards : 4 - 8 - 12.8 - 20 - 25.6 kVA
Transformers comply with NFC 52 410 standards.
OPERATING CONDITIONS
Environmental condition AD7 : can be partly or completely
immersed in water for a limited time period.
MV INLET
a- Three-phase plug-in connection for three-phase cable,
6 kV, belt or radial field type (see leaflet n°60 10471).
Maximum current : 80 A
Maximum overall cable diameter : 44.5 mm,
maximum allowance included.
On request : elbow bent terminals.
b- «Lead-through» connection in transformer.
TAP CHANGER FOR VOLTAGE ADJUSTMENT
Adjustment by strips off voltage, Taps + 5, + 7,5 % (3).
MV PROTECTION
By means of three HRC fuses, rupturing capacity 15 kA.
(1) On request : other voltages compatible with primary
winding insulation level.
(2) On request: other voltagescompatible with secondary
winding insulation level.
(3) Other percentagevalueson request.
LV OUTLET
Five- pole 6 meter-long H.07.RN.F cable,
5 - 10 kVA : cross-section 6 mm²
16 kVA : cross-section 16 mm²
25 - 32 kVA : cross-section 25 mm²
On request : four-pole plug-in terminal for H.07.RN.F.
cable with maximum overall diameter of 44.5 mm.
LV PROTECTION
Without low voltage protection.
On request:
The cut-out device ensures that direct magnetic
protection and thermal protection by means of a probe
incorporated in the windings, breaking capacity :
10 kA.
Protection by HRC fuse.
LV POTENTIAL CONDITION
LV neutral conductor is connected to the earthing
terminal inside the transformer.
On request : LV neutral conductor is not connected to
earthing terminal inside the transformer.
EARTHING TERMINAL
By means of a M10 threaded rod, connected internally to
the transformer.
DIELECTRIC TESTS
Impulse withstand : 60 kV - wave 1 / 50
Power frequency withstand voltage : 22 kV - 50 Hz
- 1 minute.
USER INFORMATION WRITTEN ON COVER
MV cable terminal assembly instructions :
manual available on request for different cable types .
EQUIPMENTS
The transformers are delivered with :
Two HV preparation leaflets.
Two non-waterproof transport plugs.
BIP delivered separately.
Handling ropes.
One technical leaflet for assembling MV plug-in
terminals.
18