product description
Feature of Non-Excitation Voltage Regulating Oil-Immersed Transformer
The S9 series of non-excitation voltage regulating oil-immersed transformer produced by ZTelec Group are the latest series of low-loss copper winding products. High-quality materials are used in this series of products, and new techniques and materials are used in the coil and insulation, greatly decreasing no-load and on-load loss. This series of products possess more reliable and superior performance and structure, and have become the main equipment required for the construction and reconstruction of the national urban and rural power grid which are recommended by the State Economic and Trade Commission.
Technical Requirement of Non-Excitation Voltage Regulating Oil-Immersed Transformer
Environment: -25℃~40℃
Altitude(m): 100 meters or less
Insulation Class: A Class
Frequency(Hz): 50
Tap Range: ±5%、±2*2.5%
Voltage Regulating Mode: No-load Voltage Regulating
Cooling Type:ONAN
Technical Parameter of Non-Excitation Voltage Regulating Oil-Immersed Transformer
Executive Standard: IEC60076 & National Standard
| HV:20 LV:0.4/0.415 | ||||||
| Capacity | Connection Group | No-Load Loss W |
On-Load Loss W |
No-Load Current % |
Short-Circuit Impedance % |
|
| Y-Connection | D-Connection | |||||
| 50 |
Yyn0 Dyn11 Yzn11 |
130 | 960 | 1010 | 2.1 | 5.5 |
| 100 | 200 | 1650 | 1730 | 1.6 | 5.5 | |
| 160 | 290 | 2420 | 2540 | 1.4 | 5.5 | |
| 200 | 340 | 2860 | 3000 | 1.3 | 5.5 | |
| 250 | 400 | 3350 | 3520 | 1.2 | 5.5 | |
| 315 | 480 | 4010 | 4210 | 1.1 | 5.5 | |
| 400 | 570 | 4730 | 4970 | 1 | 5.5 | |
| 500 | 680 | 5660 | 5940 | 1 | 5.5 | |
| 630 | 810 | 6820 | 6820 | 0.9 | 6 | |
| 800 | 980 | 8250 | 8250 | 0.8 | 6 | |
| 1000 | 1150 | 11330 | 11330 | 0.7 | 6 | |
| 1250 | 1380 | 13200 | 13200 | 0.7 | 6 | |
| 1600 | 1660 | 15950 | 15950 | 0.6 | 6 | |
| 2000 | 1950 | 19140 | 19140 | 0.6 | 6 | |
| 2500 | 2340 | 22220 | 22220 | 0.5 | 6 | |