10/0.4kv 3 Phase Step Up Dry Type Transformer
Description
Technical Parameters
Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of 10/0.4kv 3 phase step up dry type transformer in China, also supports customized service with low price. Welcome to buy discount 10/0.4kv 3 phase step up dry type transformer for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.
GNEE New Material Silicon Steel Transformer
Dry type transformer is widely used in local lighting, high-rise buildings, airports, terminals CNC machinery equipment and other places, simply said dry type transformer refers to the iron core and windings are not impregnated in insulating oil transformer. Cooling methods are divided into natural air cooling (AN) and forced air cooling (AF). In natural air cooling, the transformer can run continuously for a long time under the rated capacity. When forced air cooling, the transformer output capacity can be increased by 50%. Suitable for intermittent overload operation, or emergency overload operation; Due to the large increase of load loss and impedance voltage during overload, it is in non-economic operation state, so it should not be kept in continuous overload operation for a long time.
Grain Oriented Silicon Steel Transformer
|
No. |
Conditions |
Units |
Parameter Values |
|
|
1 |
Rated Voltage |
kV |
10 |
|
|
2 |
Highest Operating Voltage |
kV |
12 |
|
|
3 |
System Neutral Point Earthing Mode |
Unearthed |
||
|
4 |
Rated Frequency |
Hz |
50 |
|
|
5 |
Pollution Grade |
d(Ⅲ) |
||
|
6 |
System Short Circuit Current Level (High Voltage Side) |
kA |
20 |
|
|
7 |
Ambient Temperature |
Maximum Daily Temperature |
℃ |
40 |
|
Minimum Daily Temperature |
-25 |
|||
|
Maximum Daily Temperature Difference |
K |
25 |
||
|
Average Temperature of the Hottest Month |
℃ |
30 |
||
|
Maximum Annual Average Temperature |
20 |
|||
|
8 |
Humidity |
Average Daily Relative Humidity |
% |
≤95 |
|
Average Monthly Relative Humidity |
≤90 |
|||
|
9 |
Altitude |
m |
≤1000 |
|
|
10 |
Solar Radiation Intensity |
W/cm2 |
0.1 |
|
|
11 |
Maximum Icing Thickness |
mm |
20 |
|
|
12 |
Maximum average wind speed: keeping in good conditions for 10min at 10m from the ground level |
m/s |
35 |
|
|
13 |
Earthquake Resistance |
Horizontal Ground Acceleration |
m/s2 |
2 |
|
Safety Coefficient of 3 Since Resonance Cycles |
≥1.67 |
|||
|
14 |
Installation Site |
Indoor |
||
|
Note 1: Values about temperatures in the table must be adjusted accordingly if the lowest ambient temperature is above -25℃. Note 2: Pollution grade diagram must be provided if the pollution grade is grade IV. |
||||
Three phase dry type transformer
1.Safe, fireproof, no pollution, it can be installed directly in the load center.
2.Free maintenance, easy to install, low total operating costs.
3.With good moisture resistance, it can work normally under the100% humidity. After it stopped operating, the outage without pre-drying can be put into operation again.
4.Low loss, low partial discharge, low noise, good heat dissipation capacity. Under the forced air cooling conditions, it can run at 150% rated load.
5.The equipped perfect humidity protection & control system can provide reliable.
Electrical Steel for Transformer
Function Characteristics
1. Flame retardant, non-pollution, it can be installed directly in the load center.
2.Maintenance-free, easy to be installed, low operating costs.
3.The enclosure can be of Good moisture resistance, transformer can be put into operation without pre-drying under 100% humidity in the normal operation.
4.Low loss, light weight and small volume, low noise, good dissipation of heat, it can be 150% rated load operation under forced air cooling conditions.
5.Equipped with a complete temperature protection control system to provide reliable protection for the safe operation of
transformers.
6.High reliability. The results of checking for the products that has been put into operation show that the reliability index has reached the international advanced level.
Oriented Silicon Steel in Power Transformer
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