H59 3 Phase Step Up Power Transformers 415v/11kv are one of the important equipment in the power supply and distribution systems of industrial and mining enterprises and civil buildings. They reduce the network voltage of 10 (6) kV or 35kV to the 230/400V bus voltage used by users.
When the capacity is 315kVA or less, it can be installed on the pole. The ambient temperature is not higher than 40 ℃, not lower than -25 ℃, the maximum daily average temperature is 30 ℃, the maximum annual average temperature is 20 ℃, and the relative humidity is not more than 90% (ambient temperature is 25 ℃), The altitude shall not exceed 1000m. If it does not comply with the above usage conditions, appropriate quota adjustments should be made in accordance with the relevant provisions of GB6450-86.
|
Rated capacity (KVA) |
Rated Voltage(KV) |
Short-circuit impedance |
Connection symbol |
No-Load Losses(W) |
Load Losses(W) |
No-Load Current (%) |
|
|
HV |
LV |
||||||
|
30 |
6
6.3
10
10.5
11 |
0.4 |
4 |
Dyn11/Yyn0 |
100 |
630/600 |
2.3 |
|
50 |
130 |
910/870 |
2 |
||||
|
63 |
150 |
1090/1040 |
1.9 |
||||
|
80 |
180 |
1310/1250 |
1.9 |
||||
|
100 |
200 |
1580/1500 |
1.8 |
||||
|
125 |
240 |
1890/1800 |
1.7 |
||||
|
160 |
280 |
2310/2200 |
1.6 |
||||
|
200 |
340 |
2730/2600 |
1.5 |
||||
|
250 |
400 |
3200/3050 |
1.4 |
||||
|
315 |
480 |
3830/3650 |
1.4 |
||||
|
400 |
570 |
4520/4300 |
1.3 |
||||
|
500 |
680 |
5410/5150 |
1.2 |
||||
|
630 |
4.5 |
810 |
6200 |
1.1 |
|||
|
800 |
980 |
7500 |
1.0 |
||||
|
1000 |
1150 |
10300 |
1.0 |
||||
|
1250 |
1360 |
12000 |
0.9 |
||||
|
1600 |
1640 |
14500 |
0.8 |
||||
|
2000 |
1940 |
18300 |
0.7 |
||||
|
2500 |
2290 |
21200 |
0.6 |
||||
Step Up Power Transformers 415v/11kv


Uses of Power Transformers
The primary function of a power transformer is to increase or decrease voltage between the two sides of the transformer connection. A step-up transformer can be used to boost voltage. A step-down transformer reduces the voltage. The electricity power plant generates low voltage, high current electricity. However, this is not suitable for transmission because low voltage electricity loses voltage and power when transmitted over long distances.
From a low voltage of 12 kV, a step-up transformer can amplify the voltage up to 33 kV. This high voltage electricity is not appropriate for industrial, residential, or other applications. As a result, the voltage must be reduced. This voltage is reduced and made usable by a step-down transformer. This transformer is widely used by power distribution companies.
Many different types of transformers are used in the electrical circuit. Computer motherboards, amplifiers, and other electrical circuits, like mobile chargers, must increase or decrease voltage. To start the motor, a transformer is used. Because it necessitates a high voltage first.
For high-voltage connections, three-phase transformers are used. However, if any of the transformer's three connections is disconnected, the entire system becomes inoperable.
Two-phases transformers are commonly used when the ratio of high voltage is greater than two from low voltage. This reverse autotransformer is used when the high voltage to low voltage ratio is less than two.
Many different types of transformers are used in power generation and distribution plants. Different transformers served different purposes in the power industry. The transformer's invention ushers in a new era in the power industry.
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