Xiamen Winley Electric Co.,Ltd
Xiamen Winley Electric Co.,Ltd
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1000KVA Multi-voltage Three Phase Dry Type cast coil transformer 4160V 7200V 12470V 13200V 13800V 14400V To 480V
The multi voltage transformer, also called multi tap transformer, is a transformer which is especially designed to operate at different grid voltages with a fixed secondary voltage. The various primary voltages are achieved with tapped windings connected to off-circuit tap changers.The tap changers are used to change both the internal winding connection and to regulate the fine tuning of the tapped windings.
Product Process
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.
Main data
| transformer specification data | ||||
| No. | Particulars | Unit | Specification | Remark |
| 1 | Type | ~ | cast resin, dry type | |
| 2 | Rated capacity | kVA | 1000 | |
| 3 | No. of Phase | ~ | 3 | |
| 4 | Rated input voltage | V | 14400, 13800,13200,12470, 7200, 4160 | |
| 5 | Rated output voltage | V | 480Y/277 | |
| 6 | Tapping type | ~ | off-circuit | |
| 7 | Tapping range | % | ±2*2.5% | |
| 8 | Cooling method | ~ | AN/AF | |
| 9 | Rated frequency | Hz | 60 | |
| 10 | Vector group | ~ | Yyn0 | |
| 11 | Insulation class | ~ | F (155℃) | |
| 12 | Temperature rise | K | 100 | |
| 13 | Off-load loss | W | 2200 | 10% tolerance |
| 14 | On-load loss (120℃) | W | 10050 | |
| 15 | Impedance | % | 5% | |
| 16 | Winding material | ~ | Aluminum | |
| 17 | Core material | ~ | silicon steel | |
| 18 | Service condition | ~ | indoor | |
| 19 | Sea level | M | ≤1000 | |
Specification
| Product Specifications | ||||||||
| Rated capacity (KVA) | High Voltage (KV) | Low Voltage (KV) | Connection Symbol | No-Load Loss (W) | On-Load Loss (W) | No Load Current (%) | Dimension L*W*H (mm) | Weight (Kg) |
| 100 | 6KV 6.3KV 10KV 10.5KV 11KV | 0.4KV | Dyn11 Yyn0 | 540 | 1990 | 2.4 | 1600*1300*2200 | 520 |
| 315 | 970 | 4080 | 1.8 | 1800*1350*2200 | 1085 | |||
| 500 | 1350 | 5790 | 1.8 | 2000*1400*2200 | 1520 | |||
| 630 | 1530 | 6840 | 1.6 | 2000*1400*2200 | 1820 | |||
| 1000 | 2070 | 9780 | 1.4 | 2450*1450*2200 | 2550 | |||
| 1250 | 2380 | 11500 | 1.4 | 2300*1500*2200 | 2900 | |||
| 1600 | 2790 | 13800 | 1.4 | 2400*1550*2200 | 3490 | |||
| 2000 | 3240 | 16300 | 1.2 | 2600*1600*2200 | 4220 | |||
| 2500 | 3870 | 19300 | 1.2 | 2600*1600*2200 | 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.