Ningbo Tian'an Jinghua Power Technology Co., Ltd. |
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S9 series 35KV on-load tap changer oil type transformer
1. General of S9 series 35KV on-load tap changer oil type
transformer
1.1 Application
10~35kV class transformers are widely used in power transmission
and distribution stations, industry plants, Generation Step-up Unit
(GSU). They have the characteristic of high efficiency, low loss
and maintenance free.
1.2 Type and Rating
Capacity range: 50-50000KVA
Secondary voltage: 415V, 400V etc.
Frequency: 50Hz, 60Hz
Type: Single phase, three phase
No-load tap changer and on-load tap changer
ONAN and ONAF
Set-up and set-down type
1.3 Standard
IEC60076-1, IEC60076-2, IEC60076-5, IEC60317, ANSI, IEEE, AS, etc.
2.S9 series 35KV on-load tap changer oil type transformer Condition
of service
2.1.1 Altitude: Up to 1000m above sea level
2.1.2 Ambient temperature:
Max. +40℃
Average (daily, Max.) +30℃
Average (yearly, Max.) +20℃
Min. -45℃
2.1.3 Application: Outdoor
2.2 Special conditions: It may be consulted between manufacturer
and customer.
3. Structure feature of S9 series 35KV on-load tap changer oil
type transformer
3.1Insulation oil
The tanks are filled with high quality grade mineral oil as per
IEC296 and it is PCB and PCT free. The oil is used to help cooling
the transformer. It is also used provide part of the electrical
insulation between internal live parts.
4. S9 series 35KV on-load tap changer oil type transformer
Technical data of typical products
Capacity | Voltage and tap range | Connection | No-load Loss | Load loss (kW) | No-load current (%) | Impedance(%) | Dimensions | ||
HV | MV | LV(kV) | |||||||
50 | 35 | ±5 | 0.4 | Dyn11 Yyn0 | 0.21 | 1.27/1.21 | 2.00 | 6.5 | 1100x845x1715 |
100 | 0.29 | 2.12/2.02 | 1.80 | 1190x915x1780 | |||||
125 | 0.34 | 2.50/2.38 | 1.70 | 1220x1040x1780 | |||||
160 | 0.36 | 2.97/2.83 | 1.60 | 1240x1070x1810 | |||||
200 | 0.43 | 3.50/3.33 | 1.50 | 1380x780x1875 | |||||
250 | 0.51 | 4.16/3.96 | 1.40 | 1540x880x1820 | |||||
315 | 0.61 | 5.01/4.77 | 1.40 | 1440x800x1975 | |||||
400 | 0.73 | 6.05/5.76 | 1.30 | 1660x825x1995 | |||||
500 | 0.86 | 7.28/6.93 | 1.20 | 1710x865x2030 | |||||
630 | 1.04 | 8.28 | 1.10 | 1630x1235x2070 | |||||
800 | 1.23 | 9.90 | 1.00 | 1655x1415x2120 | |||||
1000 | 1.44 | 12.15 | 1.00 | 1860x1435x2220 | |||||
1250 | 1.76 | 14.67 | 0.90 | 1890x1640x2260 | |||||
1600 | 2.12 | 17.55 | 0.80 | 2050x1720x2390 | |||||
630 | 3.15 6.3 10.5 | Yd11 | 1.04 | 8.28 | 1.10 | 1630x1235x2070 | |||
800 | 1.23 | 9.90 | 1.00 | 1655x1415x2120 | |||||
1000 | 1.44 | 12.15 | 1.00 | 1860x1435x2220 | |||||
1250 | 1.76 | 14.67 | 0.90 | 1890x1640x2260 | |||||
1600 | 2.12 | 17.55 | 0.80 | 2050x1720x2390 | |||||
2000 | 2.72 | 19.35 | 0.70 | 2400x1900x2410 | |||||
2500 | 3.20 | 20.70 | 0.60 | 2500x1930x2700 | |||||
3150 | 35~38.5 | ±5 | 3.15 6.3 10.5 | 3.80 | 24.30 | 0.56 | 7.0 | 2600x2100x2800 | |
4000 | 4.52 | 28.80 | 0.56 | 2830x2350x2855 | |||||
5000 | 5.40 | 33.03 | 0.48 | 2930x2480x2930 | |||||
6300 | 6.56 | 36.90 | 0.48 | 7.5 | 3150x2330x3220 | ||||
8000 | ±2x2.5 | 3.15 3.3 6.3 6.6 10.5 11 | Ynd11 | 9.00 | 40.50 | 0.42 | 3295x3110x3345 | ||
10000 | 10.88 | 47.70 | 0.42 | 3450x3210x3440 | |||||
12500 | 12.60 | 56.70 | 0.40 | 8.0 | 3620x3255x3500 | ||||
16000 | 15.20 | 69.30 | 0.40 | 3980x3420x3650 | |||||
20000 | 18.00 | 83.70 | 0.40 | 4030x3470x3690 | |||||
25000 | 21.28 | 99.00 | 0.32 | 5050x4640x3930 | |||||
31500 | 25.28 | 118.8 | 0.32 | 5120x4800x4030 |