
At the heart of Zhongshao Electric Co., Ltd. Changsha Branch lies a dynamic range of cutting-edge products, including the robust 10KV to 69KV S11 13 20 22 series transformers, featuring three-dimensional magnetic circuit coil iron cores, and the innovative SH15 amorphous alloy series power transformers. Our SCB10, SCB11 12 13 15 series resin insulated dry-type transformers are engineered for excellence, complemented by our pre-installed substations (both European and American styles), and high and low voltage switchgear. We pride ourselves on our ability to design and produce bespoke transformers and non-standard transformers tailored to meet specific user needs. Serving the power sector, enterprises, institutions, and industrial and mining enterprises with distinction, our transformers have been rigorously evaluated and are highly regarded by national departments and power regulatory authorities. Committed to excellence, we utilize top-tier hardware and key software to ensure our product quality indicators consistently meet and exceed China's advanced standards.
Rated capacity (kVA) | Voltage combinations | The join group designator | No-load loss (W) | Load loss (W) | Impedance voltage (%) | No-load current (W) | ||
high pressure (kV) | Taps (%) | Low voltage (kV) | ||||||
30 | 6 6.3 10 10.5 10.5 | ±5% or ±2x2.5 | 0.4 | Dyn11 or Yyn0 | 80 | 600/630 | 4 | 2.3 |
50 | 100 | 870/910 | 2 | |||||
63 | 110 | 1040/1090 | 1.9 | |||||
80 | 130 | 1250/1310 | 1.9 | |||||
100 | 150 | 1500/1580 | 1.8 | |||||
125 | 170 | 1800/1890 | 1.7 | |||||
160 | 200 | 2200/2310 | 1.6 | |||||
200 | 240 | 2600/2730 | 1.5 | |||||
250 | 290 | 3050/3200 | 1.4 | |||||
315 | 340 | 3650/3830 | 1.4 | |||||
400 | 410 | 4300/4520 | ||||||
500 | 480 | 5100/5410 | 1.2 | |||||
630 | 570 | 6200 | 4.5 | 1.1 | ||||
800 | 700 | 7500 | 1 | |||||
1000 | 830 | 10300 | 1 | |||||
1250 | 970 | 12000 | 0.9 | |||||
1600 | 1170 | 14500 | 0.8 |



















