3 phase dry type transformers are essential components in electrical distribution systems, particularly in industrial and commercial applications. Unlike oil-filled transformers, dry type transformers utilize air as their cooling medium, making them safer and more environmentally friendly. They are designed to operate efficiently in various conditions while providing reliable voltage transformation for three-phase power systems.
Type
Rated capacity （KVA）
Voltage combination（KV）
No-load losses（W）
Load losses（W）
No-load current （%）
Short-circuit impedance （%）
SC13-30
30
6,6.3,6.6,10,11/0.4
150
710
2.3
4.0
SC13-50
50
6,6.3,6.6,10,11/0.4
215
1000
2.2
4.0
SC13-80
80
6,6.3,6.6,10,11/0.4
295
1380
1.7
4.0
SC13-100
100
6,6.3,6.6,10,11/0.4
320
1570
1.7
4.0
SC13-125
125
6,6.3,6.6,10,11/0.4
375
1850
1.5
4.0
SCB13-160
160
6,6.3,6.6,10,11/0.4
430
2130
1.5
4.0
SCB13-200
200
6,6.3,6.6,10,11/0.4
495
2530
1.3
4.0
SCB13-250
250
6,6.3,6.6,10,11/0.4
575
2760
1.3
4.0
SCB13-315
315
6,6.3,6.6,10,11/0.4
705
3470
1.1
4.0
SCB13-400
400
6,6.3,6.6,10,11/0.4
785
3990
1.1
4.0
SCB13-500
500
6,6.3,6.6,10,11/0.4
930
4880
1.1
4.0
SCB13-630
630
6,6.3,6.6,10,11/0.4
1070
5880
0.9
4.0
SCB13-630
630
6,6.3,6.6,10,11/0.4
1040
5960
0.9
6.0
SCB13-800
800
6,6.3,6.6,10,11/0.4
1210
6960
0.9
6.0
SCB13-1000
1000
6,6.3,6.6,10,11/0.4
1410
8130
0.9
6.0
SCB13-1250
1250
6,6.3,6.6,10,11/0.4
1670
9690
0.9
6.0
SCB13-1600
1600
6,6.3,6.6,10,11/0.4
1960
11700
0.9
6.0
SCB13-2000
2000
6,6.3,6.6,10,11/0.4
2440
14400
0.7
6.0
SCB13-2500
2500
6,6.3,6.6,10,11/0.4
2880
17100
0.7
6.0
These transformers are compact and can be installed indoors or outdoors, depending on the enclosure type. Their robust construction allows them to withstand harsh environments, which is crucial for maintaining operational integrity over time. With low maintenance requirements, 3 phase dry type transformers are favored for their longevity and cost-effectiveness in the long run.
Enclosure Ratings: IP 20, 21, 23, 30, 31
The enclosure ratings of 3 phase dry type transformers are critical in determining their suitability for specific environments. The Ingress Protection (IP) ratings denote the degree of protection offered against dust and moisture. For instance, an IP20 rating indicates that the transformer is protected against solid objects larger than 12mm, but it offers no protection against water. Conversely, an IP23 rating provides limited protection against water spray, making it suitable for outdoor installations with some exposure to the elements. Higher IP ratings, such as IP30 and IP31, offer improved protection against both dust and moisture, making them ideal for harsher environments. These enclosures ensure that the internal components of the transformer remain safe from potential damage, thereby enhancing reliability and performance. Understanding these ratings is essential for exporters and makers when selecting the right transformer for their clients’ needs.
Exporters and Manufacturers of Dry Type Transformers
The global market for 3 phase dry type transformers is expanding, leading to a surge in demand for skilled exporters and manufacturers. These companies play a vital role in ensuring that high-quality transformers meet international standards. They often collaborate with engineers to design custom solutions tailored to specific client requirements, facilitating seamless integration into existing electrical systems. Exporters of 3 phase dry type transformers must navigate various regulations and certifications to ensure compliance in different markets. This includes adherence to safety standards and environmental regulations, which vary by region. As a result, successful exporters not only provide high-quality products but also offer valuable support services, including installation guidance and after-sales support to help customers maximize their investment in transformer technology.
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The enclosure ratings of 3 phase dry type transformers are critical in determining their suitability for specific environments. The Ingress Protection (IP) ratings denote the degree of protection offered against dust and moisture. For instance, an IP20 rating indicates that the transformer is protected against solid objects larger than 12mm, but it offers no protection against water. Conversely, an IP23 rating provides limited protection against water spray, making it suitable for outdoor installations with some exposure to the elements. Higher IP ratings, such as IP30 and IP31, offer improved protection against both dust and moisture, making them ideal for harsher environments. These enclosures ensure that the internal components of the transformer remain safe from potential damage, thereby enhancing reliability and performance. Understanding these ratings is essential for exporters and makers when selecting the right transformer for their clients’ needs.