Dry type cast resin transformer Three phase distribution transformer 2000kva
Dry-type power transformer is a dry-type transformer with high electrical strength, mechanical strength and heat resistance strength. It is an excellent product for urban power grid transformation. It is especially suitable for high-rise buildings, airports, power stations, commercial centers, etc. important place.
Main data
| Particulars | Unit | Specification |
| Type | ~ | dry type, cast resin |
| Rated capacity | kVA | 2000 |
| No. of Phase | ~ | 3 |
| Primary voltage | kV | 0.8 |
| Secondary voltage | kV | 0.43 |
| Tapping type | ~ | off-load |
| Cooling method | ~ | AN/AF |
| Rated frequency | Hz | 50 |
| Vector group | ~ | YNyn0 |
| Insulation class | ~ | F |
| Temperature rise | K | 100 |
| Off-load loss | W | 4230 |
| On-load loss (120℃) | W | 17800 |
| Impedance | % | 3.5 |
| Winding material | ~ | Cu |
| Core material | ~ | silicon steel |
Dry transformer features
1)Moisture-proof and corrosion-resistant ability , and it can run normally at 100%humidity,especially for work in extreme environmental conditions.
2)Lost loss, small local discharge, small noise, and strong heat dissipation capacity, can run 150%of the rated load operation.
3)High the whole mechanical strength of the cast coil withstand sudden short -circuit capability.
4)Safe, fire prevention, no pollution, can be installed directly in the load center.
5)Simple maintenance and installation, low comprehensive operating costs.
Specification
| Rated capacity | High Voltage | Low | Connection Symbol | No-Load Loss | On-Load Loss | No Load Current | Weight | Short Circuit Impendence |
| (KVA) | (KV) | Voltage | (W) | (W) | (%) | (KG) | (%) |
| (KV) | | | | | |
| 10 | 6
6.3
10
10.5
11 | 0.4 | Dyn11
Yyn0 | 0.15 | 0.325 | 4.1 | 130 | 4 |
| 30 | 0.215 | 0.75 | 3.2 | 260 |
| 50 | 0.305 | 1.055 | 2.8 | 315 |
| 80 | 0.415 | 1.46 | 2.6 | 470 |
| 100 | 0.45 | 1.665 | 2.4 | 520 |
| 125 | 0.53 | 1.955 | 2.2 | 585 |
| 160 | 0.61 | 2.25 | 2.2 | 670 |
| 200 | 0.7 | 2.675 | 2 | 790 |
| 250 | 0.81 | 2.915 | 2 | 920 |
| 315 | 0.99 | 3.67 | 1.8 | 1085 |
| 400 | 1.1 | 4.22 | 1.8 | 1320 |
| 500 | 1.305 | 5.165 | 1.8 | 1520 |
| 630 | 1.46 | 6.31 | 1.6 | 1820 | 6 |
| 800 | 1.71 | 7.36 | 1.6 | 2105 |
| 1000 | 1.99 | 8.6 | 1.4 | 2550 |
| 1250 | 2.35 | 10.26 | 1.4 | 2900 |
| 1600 | 2.755 | 12.42 | 1.4 | 3490 |
| 2000 | 3.735 | 15.3 | 1.2 | 4220 |
| 2500 | 4.5 | 19.53 | 1.2 | 4955 |
Production process
FAQ
1. Q: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.
2. Q: What is the lead time?
A: Mass production time 15-25 days.
3. Q: How long is the warranty?
A: 24 monthes from B/L. If there are any accessory problems,just provide the photos of damaged accessory,then we will provide free service. According to the number of products,we will provide easily damaged accessories for free. we also can provide technical support if you need.
4. Q: Is OEM/ODM available?
A: Yes,it is! We are manufacturer with our own R&D team, we can customize products according to customer's drawing or requirements.
Customized services:
a. Customized color and special function.
b. Customized box.
c. Print customer's logo.
d. Your other ideas about product, we can help you design and put them into production. The above customized services must be confirmed before production.
5. Q: How to control the products quality?
A: Our company owns the core technology ,all kinds of products hold CE certificate. We have professional engineers. Workers are strictly required to make products according to the drawings. Each process has technical instructors.The QC supervisors will regularly inspect the production. We will do products performance tests during production, and comprehensive quality tests when the products is completed.
structural features
1)The iron core is made of high-quality silicon steelsheet.The surface is coated with anti-corrosionand good heat dissipation to ensure the transformer's low loss and corrosion resistance.
2)The high voltage winding has a continuous drop downdisc with a strip conductor(alumi num or copper)anddouble layer insula- tion.Windings are cast undervacuum with epoxy resin.
3)The low-voltage winding is made of aluminum orcopper foil and wound with insulating foil pre-im-pregnated with epoxy resin.The coil is cured in anoven to form a very compact winding.
4)The encapsulation process is a key stage withinthe manufacturing process Encapsulation is car-ried out under the most rigorous conditions inorder to ensure optimum insulating and mechani-cal characteristics.
5)In the vacuum casting chamber,the resin is pouredinto the mold to cure and form a high strength FRPbody structure.
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