Common electrical characteristics • Frequency (1) : 50Hz • Maximum ambient temperature: 40°C • Secondary voltage at no-load (1) : - 400 to 433V between phases - 231 to 250V phase to neutral • HV tapping range (off-circuit) (1) : ± 2.5 to ± 5 • Vector group: Dyn (delta, star neutral brought out) • Partial discharges according to IEC 60076-11 standard: ≤10 pC at 1.3 Um (*) The rated power is defined by natural air cooling (AN). Should there be particular constraints, it may be increased by 40 % by forced cooling addition (AF). Please consult us. (1) Others possibilities upon request, consult us. (2) Non standard ratings available on request. 01 Trihal - Standard losses Electrical characteristics for insulation level: 7.2 kV and 12kV Rated power (1)(*) (kVA) 160 (2) 250 400 630 800 1000 1250 1600 2000 2500 3150 Losses (W) - no-load losses 610 820 1150 1370 1700 2000 2500 2800 3500 4300 5500 Losses (W) - load losses at 75°C 2300 3100 4300 6700 7700 8800 10500 12300 14900 18300 21800 Losses (W) - load losses at 120°C 2700 3500 4900 7600 8800 10000 12000 14000 17000 21000 25000 Rated impedance voltage (%) 4 4 4 6 6 6 6 6 6 6 6 No-load current (%) 2.3 2 1.5 1.3 1.3 1.2 1.2 1.2 1.1 1 1 Switching current - Ie/In (peak value) 13.5 13 13 10 10 10 10 9 9 9 9.5 Switching current - time constant 0.13 0.18 0.25 0.3 0.3 0.34 0.35 0.42 0.45 0.5 0.5 Noise level dB(A)- acoustic power LWA 62 65 68 70 72 73 75 76 77 81 81 Noise level dB(A)- acoustic pressure LPA at 1 m (according to IEC 270) 50 53 55 57 59 59 61 61 61 61 59 Electrical characteristics for insulation level: 17.5 kV and 24 kV Rated power (kVA) (1)(*) 160 (2) 250 400 630 800 1000 1250 1600 2000 2500 3150 Losses (W) - no-load losses 650 880 1200 1650 2000 2300 2800 3100 4000 5000 6300 Losses (W) - load losses at 75°C 2350 3300 4800 6800 8200 9600 11400 14000 17500 20000 21800 Losses (W) - load losses at 120°C 2700 3800 5500 7800 9400 11000 13100 16000 20000 23000 25000 Rated impedance voltage (%) 6 6 6 6 6 6 6 6 6 6 6 No-load current (%) 2.3 2 1.5 1.3 1.3 1.2 1.2 1.2 1.1 1 1 Switching current - Ie/In (peak value) 10.5 10.5 10 10 10 10 10 10 9.5 9.5 9.5 Switching current - time constant 0.13 0.18 0.25 0.26 0.3 0.3 0.35 0.4 0.4 0.5 0.5 Noise level dB(A)- acoustic power LWA 62 65 68 70 72 73 75 76 78 81 81 Noise level (3) dB(A)- acoustic pressure LPA at 1 m (according to IEC 270) 50 53 56 57 59 60 61 62 63 66 66 Electrical characteristics for insulation level: 36 kV Rated power (kVA) (1)(*) 160 (2) 250 400 630 800 1000 1250 1600 2000 2500 3150 Losses (W) - no-load losses On request 1280 1650 2200 2650 3100 3650 4200 5000 5800 6800 Losses (W) - load losses at 75°C On request 3480 4960 6960 8440 10000 12610 14790 18270 21740 22610 Losses (W) - load losses at 120°C On request 4000 5700 8000 9700 11500 14500 17000 21000 25000 26000 Rated impedance voltage (%) On request 6 6 6 6 6 6 6 6 6 6 No-load current (%) On request Switching current - Ie/In (peak value) On request Switching current - time constant On request Noise level dB(A)- acoustic power LWA On request 67 70 72 73 74 76 77 79 77 77 Noise level dB(A)- acoustic pressure LPA at 1 m (according to IEC 270) On request 55 56 57 58 59 61 61 63 61 61 Cast Resin Transformers PM102305
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Trihal Standard EN - Uyan Elektrik · 2011-11-29 · - 231 to 250V phase to neutral • HV tapping range (off-circuit)(1): ... no-load losses On request 1280 1650 2200 2650 3100 3650
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Common electrical characteristics• Frequency(1):50Hz• Maximumambienttemperature:40°C• Secondaryvoltageatno-load(1):
Insulation level: 36 kV - low voltage 400 V to 433 VRated power (kVA) 160 250 400 630 800 1000 1250 1600 2000 2500 3150
Dimensions (mm) - Lenght A On request 1460 1460 1530 1660 1740 1780 1850 1970 2270 2400
- Width B On request 790 870 870 870 950 950 950 1200 1200 1200
- Height C On request 1750 1790 1950 1990 2160 2200 2400 2500 2460 2750
- Roller pitch D On request 520 670 670 670 820 820 820 1070 1070 1070
- Frame width E On request 645 795 795 795 945 945 945 1195 1195 1195
- Roller diam. F On request 125 125 125 125 125 125 125 160 160 160
- Roller width G On request 40 40 40 40 40 40 40 50 50 50
Weight without enclosure (kg) On request 1460 1600 2000 2400 2910 3280 3920 4900 6580 8280
Dimensions and weights without enclosure housing (IP00)Dimensionsandweightsareforguidanceonly,andareprovidedforasingle-voltagetransformerwiththefollowingHVinsulationlevelsandlowvoltages.Onlythedefinitivedrawingsfollowingfromtheorderwillcommituscontractually.Forothervoltages,impedancevoltagesanddual-voltages,weightsanddimensionsaredifferent(consultus).
D
M
C
ED
I
A
earthingterminal
tapping links
J J L
E/2
B
Ø 125 (160)
40 (50)
H
Ø 13
Cast Resin Transformers
SM100016
Trihal - Standard losses
03
Insulation level: 7.2 kV and 12 kV- low voltage 400 V to 433 VRated power (kVA) 160 250 400 630 800 1000 1250 1600 2000 2500 3150
Insulation level: 36kV - low voltage 400 V to 433 VRated power (kVA) 160 250 400 630 800 1000 1250 1600 2000 2500 3150
Dimensions (mm) - Lenght A On request 2060 2060 2130 2260 2340 2380 2450 2570 2870 3000
- Width B On request 1210 1210 1230 1280 1300 1320 1340 1380 1480 1530
- Height C On request 2050 2090 2250 2290 2460 2500 2700 2800 2860 3150
- Roller pitch D On request 520 670 670 670 820 820 820 1070 1070 1070
- Frame width E On request 645 795 795 795 945 945 945 1195 1195 1195
- Roller diam. F On request 125 125 125 125 125 125 125 160 160 160
- Roller width G On request 40 40 40 40 40 40 40 50 50 50
Total weight (kg) On request 1660 1800 2300 2700 3210 3600 4320 5300 6930 8730
Dimensions and weights with IP31 metal enclosureDimensionsandweightsareforguidanceonly,andareprovidedforasingle-voltagetransformerwiththefollowingHVinsulationlevelsandlowvoltages.Onlythedefinitivedrawingsfollowingfromtheorderwillcommituscontractually.Forothervoltages,impedancevoltagesanddual-voltages,weightsanddimensionsaredifferent(consultus).
The contrator must ensure that cables and busbars are adequately supported to prevent mechanical stresses from being imposed on the transformer terminals, busbars or bushings.
Connections -Trihal transformers with IP 31 metal enclosure
Insulation (kV)
Dimension X (mm)
Full wall Grid wall
7.5 90 300
12 120 300
17.5-24 220 300
X
X
X
X
LV
HV
According to HD 637-1. Don’t take into account the access to tapping on the UV side.