Power transformers are classified by use: step-up (6.3kV/10.5kV or 10.5kV/110kV for power plants, etc.), communication (220kV/110kV or 110kV/10.5kV between substations), step-down (35kV/0.4kV or power distribution) 10.5kV/0.4kV).
Power transformers are classified according to the number of phases: single-phase and three-phase.
Power transformers are classified according to windings: double winding (each phase is installed on the same core, the primary and secondary windings are wound separately and insulated from each other), three winding (each phase has three windings, the primary and secondary windings are wound separately and insulated from each other), Autotransformer (a set of windings with center tap as primary or secondary output). A three-winding transformer requires the capacity of the primary winding to be greater than or equal to the capacity of the second and third windings. The percentages of the three winding capacities in the order of high voltage, medium voltage and low voltage are: 100/100/100, 100/50/100, 100/100/50. It is required that the second and third windings cannot operate at full load. Generally, the tertiary winding has a lower voltage and is mostly used for power supply in close areas or for connecting compensation equipment to connect three voltage levels. Autotransformer: There are two types: step-up or step-down. Because of its small loss, light weight and economical use, it is widely used in ultra-high voltage power grids. The commonly used model of small autotransformers is 400V/36V (24V), which is used to power security lighting and other equipment.
Industry-Specific Attributes
| Use | Electronic |
| Phase | Three |
| Coil Structure | TOROIDAL |
| Coil Number | AUTOTRANSFORMER |
Other Attributes
| Place of Origin | Shandong, China |
| Brand Name | Jinshida |
| Model Number | SCB11-30~1600/,S11-30~1600 |
| Input Voltage | 10kv |
| Product name | Three Phase Transformer |
| Rated capacity | 400kVA |
| Frequency | 50Hz/60Hz |
| Standard | ISO9001: 2008 |
| Name | High Fequency Transformer |
| Rated voltage | 10KV |
| Warranty | 24 Months |
| Secondary voltage | 10 KV |
| Cooling Method | ONAN |
| Capacity | 400kva |
Packaging and Delivery
Selling Units |
Single item |
Single package size |
770X570X930 cm |
Single gross weight |
410.000 kg |
10 Rated Power (kVA) | High Voltage (kv) | Low Voltage (kv) | Connection symbol | No-load loss(W) | On-load loss(W) | No load current (%) |
30KVA | 6.3KV 15KV 22KV 25KV 33KV 10KV 11KV 20KV 35KV | 0.4 | Ydn11 Yyno | 570 | 4300 | 0.4 |
50KVA |
80KVA | 680 | 5140 | 0.45 |
100KVA |
125KVA | 810 | 30800 | 0.4 |
160KVA |
200KVA | 980 | 7500 | 0.4 |
250KVA |
315KVA | 1150 | 10300 | 0.35 |
400KVA |
500KVA | 1360 | 12000 | 0.3 |
630KVA |
800KVA | 1640 | 145000 | 0.6 |
1000KVA |
1250KAV | 1950 | 19140 | 0.6 |
1600KVA |
2000KVA | 2340 | 22220 | 0.5 |
2500KAV |
Customized Various Models
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Pruduct Details
Three-phase transformers and three-phase transformer groups can be connected in star, triangle, or zigzag shapes. They are represented by Y, D, and Z symbols on the high-voltage side, and by y, d, and z symbols on the low-voltage side. There is a neutral point lead out. High voltage is represented by YN and ZN symbols, and low voltage is represented by yn and zn symbols. According to different wiring combinations of three-phase windings, there are 12 types of wiring groups. However, for the convenience of manufacturing and use, our country originally stipulated 5 wiring groups: Y, Yn0 (Y/Y0-12); Y, Yn (Y/Y-12); YN, Yn (Y0/Y-12) ; Y, d11 (Y/△-11); YN, d11 (Y0/△-11).
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