
Our esteemed company, Zhongshao Electric Co., Ltd. Changsha Branch, proudly presents a portfolio of pioneering electrical solutions comprising: advanced 10KV to 69KV S11, S13, S20, and S22 series transformers featuring three-dimensional magnetic circuit coil iron cores; SH15 amorphous alloy series power transformers; SCB10, SCB11, SCB12, SCB13, and SCB15 series resin insulated dry-type transformers. We also offer expertly crafted pre-installed substations (European and American styles), sophisticated high and low voltage switchgear, and the capability to tailor-make special and non-standard transformers as per user specifications. Our unwavering commitment to excellence ensures that these high-quality transformers power diverse sectors including the power industry, enterprises, institutions, as well as factories and mining industries throughout the year. Each product has been endorsed and approved by national authorities, and our adherence to superior standards in both hardware and software implementation guarantees that our product quality is second to none in China.
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 |



















