| Model: | - |
|---|---|
| Brand: | Wapower |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Power Transmission Equipment & Transformer |
| Label: | K-factor , isolation transforme , K rated |
| Price: |
¥600
/ pc
|
| Min. Order: | 1 pc |
| Last Online:21 Oct, 2016 |
Product introduction
There are triple harmonic and other odd times harmonic in the power network and the user load. The zero-sequence third harmonic can cause increased neutral line current and other odd times harmonic additional heating in the winding. K-factor transformer is specially designed to withstand harmonic. According to the specifications of ANSI/IEEE C57.110-1986, K= ∑ LH (PU) h. K-factor ranges from 1 to 50. 1 indicates a linear load(no harmonic) and 50 terribly harmonic environment. The larger the K-factor, the stronger the capacity of eliminating harmonic interference of the transformer.
According to ANSI/IEEE C57.110, the harmonic content processed by K-13 transformer are as following：
| Harmonic(h) | Curent(lh) | Ih(pu) | lh(pu)2h2 |
| 1 | 100.000% | 1.000 | 1.000 |
| 3 | 33.333% | 0.333 | 1.000 |
| 5 | 20.000% | 0.200 | 1.000 |
| 7 | 14.286% | 0.143 | 1.000 |
| 9 | 11.111% | 0.111 | 1.000 |
| 11 | 9.091% | 0.091 | 1.000 |
| 13 | 7.692% | 0.077 | 1.000 |
| 15 | 6.667% | 0.067 | 1.000 |
| 17 | 5.882% | 0.059 | 1.000 |
| 19 | 5.263% | 0.053 | 1.000 |
| 21 | 4.762% | 0.048 | 1.000 |
| 23 | 4.348% | 0.043 | 1.000 |
| 25 | 4.000% | 0.040 | 1.000 |
Technical parameter:
1, Power range ≤1000KVA
2. Switching current ≤ 4Ie
3. Common-mode attenuation ≥120db
4. Dielectric strength: core-winding, winding-shielding, winding-earth 3000 VAC / 50Hz / 60s no arcing or breakdown
5. Insulation resistance: 500VDC, Insulation resistance value ≥ 100MΩ
6. Noise level < 65db (The testing point's horizontal distance from transformer shall be 1 metre.)
7. Protection grade: IP00
8. Insulation class: H
9. Product standards: UL1561：2000 Dry-type general power transformer
Application environment and conditions:
1, The altitude is not more than 1000 meters and if more than 1000 meters, derating is required.
2, Running temperature: -5 ℃-40 ℃, relative humidity is less than 90%.
3, Without harmful gas, inflammable, explosive and conductive dust around.
| Payment Terms: | T/T |
|---|---|
