110kV/132kV Three-Phase Oil-Immersed Power Transformer | ZTelec Electric
Overview
In response to the global growth in electricity demand, 110kV / 132kV three-phase oil-immersed transformers are widely used in national power grids, industrial and mining enterprises, regional substations, power plant step-up stations, and public utility systems. These transformers are designed for efficient voltage step-up or step-down applications, ensuring stable and reliable power distribution.
With a maximum capacity of up to 200 MVA, our 110kV / 132kV transformers have been proven in high-reliability operation across more than 50 countries and regions, including Tanzania, Zimbabwe, Ghana, South Africa, Kenya, Zambia, Sudan, Libya, Congo, the UAE, Saudi Arabia, Iraq, Syria, and Bangladesh.
Advantages of 110kV / 132kV Power Transformers
Standards Compliance
Designed and manufactured according to GB, IEC, GOST, EN, NF, ANSI/IEEE standards. Customization is available to meet specific client requirements.
Certifications
Certified by ISO, CE, IEC, SABS, COC, CSA, and UL, ensuring international quality, performance, and safety standards.
High Efficiency
The 110kV transformer achieves efficiency exceeding 99%, meeting EU Eco-design Tier 2 (2015/2014/548/EC) energy efficiency requirements, effectively reducing energy loss during transmission.
Proven Performance
With extensive application in global grid modernization and renewable energy integration projects, such as photovoltaic step-up stations, our transformers provide exceptional reliability and a service life of over 30 years under complex operating environments.
Eco-Friendly and Sustainable Design
Using FR3 natural ester insulation oil and recyclable materials, the transformer minimizes environmental impact and aligns with global carbon neutrality and green energy policies.
Fast Delivery Capability
Standard delivery time: 90 days
Shortest lead time: 50 days
110kV / 132kV Power Transformer Types
ZTelec Electric manufactures a full range of 110kV power transformers, including three-phase double-winding, triple-winding, and autotransformers. Each model is designed to meet distinct voltage and application requirements, ensuring optimal adaptability for your power system.
110kV / 132kV Three-Phase Double-Winding Transformer
Used for standard voltage conversion between primary and secondary systems, suitable for grid and industrial power applications.
110kV / 132kV Three-Phase Triple-Winding Transformer
Designed for systems requiring two secondary voltage outputs, commonly used in combined grid and industrial distribution setups.
110kV / 132kV Autotransformer
Compact and highly efficient, ideal for interconnections between high-voltage networks and for long-distance power transmission.
110kV /132kv Power Transformer Technical Parameters
S18-110kV/132kv Dual-winding off-grid voltage regulating power transformer |
||||||||
| Rated capacity (kva) |
Voltage ratio(kv) | Connection symbol | No-load loss (kw) |
No-load current (%) |
Full-load loss (kw) |
Impedance(%) | ||
| HV | MV Tapping Range | LV | ||||||
| 6300 | 110 121132 |
±2×2.5% | 6.3 6.6 10.5 11 |
YNd11 | 9.3 | 0.60 | 36 | 10.5 |
| 8000 | 11.2 | 0.60 | 45 | |||||
| 10000 | 13.2 | 0.55 | 53 | |||||
| 12500 | 15.6 | 0.55 | 63 | |||||
| 16000 | 18.8 | 0.50 | 77 | |||||
| 20000 | 22 | 0.50 | 93 | |||||
| 25000 | 26 | 0.45 | 110 | |||||
| 31500 | 30.8 | 0.45 | 133 | |||||
| 40000 | 36.8 | 0.40 | 156 | |||||
| 50000 | 44 | 0.4 | 194 | |||||
| 63000 | 52 | 0.35 | 234 | |||||
| 75000 | 13.8 15.75 18 20 |
59 | 0.35 | 278 | 12-14 | |||
| 90000 | 68 | 0.3 | 320 | |||||
| 120000 | 84.8 | 0.3 | 397 | |||||
| 150000 | 100.2 | 0.3 | 472 | |||||
| 180000 | 112.5 | 0.25 | 532 | |||||
S18-110kV/132kv Two-winding on-load tap-changing power transformer |
||||||||
| Rated capacity (kva) |
Voltage ratio(kv) | Connection symbol | No-load loss (kw) |
No-load current (%) |
Full-load loss (kw) |
Impedance(%) | ||
| HV | MV Tapping Range | LV | ||||||
| 6300 | 110 121132 |
±8×1.25% | 6.3 6.6 10.5 11 |
YNd11 | 10 | 0.60 | 36 | 10.5 |
| 8000 | 12 | 0.60 | 45 | |||||
| 10000 | 14.2 | 0.55 | 53 | |||||
| 12500 | 16.8 | 0.55 | 63 | |||||
| 16000 | 20.2 | 0.50 | 77 | |||||
| 20000 | 24 | 0.50 | 93 | |||||
| 25000 | 28.4 | 0.45 | 110 | |||||
| 31500 | 33.8 | 0.45 | 133 | |||||
| 40000 | 40.4 | 0.40 | 156 | |||||
| 50000 | 47.8 | 0.4 | 194 | |||||
| 63000 | 56.8 | 0.35 | 234 | |||||
| 75000 | 63.4 | 0.35 | 278 | |||||
| 90000 | 73.1 | 0.3 | 320 | |||||
| 120000 | 91.2 | 0.3 | 397 | |||||
S18-110kv /132kv Three-winding off-excitation voltage regulating power transformer |
|||||||||
| 18- | Voltage ratio(kv) | Connection symbol | No-load loss (kw) |
No-load current (%) |
Full-load loss (kw) |
Impedance(%) | |||
| HV | MV | LV | step-up | step-down | |||||
| 6300 | 110 ±8×1.25% |
35 37 38.5 ±2×2.5% or ±5% |
6.3 6.6 10.5 11 |
YNyn0d11 | 11.2 | 0.60 | 47 | H-M 10.5H-L 17-18M-L 6.5 |
H-M 17-18H-L 10.5M-L 6.5 |
| 8000 | 13.3 | 0.60 | 56 | ||||||
| 10000 | 15.8 | 0.55 | 66 | ||||||
| 12500 | 18.4 | 0.55 | 78 | ||||||
| 16000 | 22.4 | 0.50 | 95 | ||||||
| 20000 | 26.4 | 0.50 | 112 | ||||||
| 25000 | 30.8 | 0.45 | 133 | ||||||
| 31500 | 36.8 | 0.45 | 157 | ||||||
| 40000 | 43.6 | 0.40 | 189 | ||||||
| 50000 | 52 | 0.4 | 225 | ||||||
| 63000 | 61.6 | 0.35 | 270 | ||||||
S18-110kV Three-winding on-load tap-changing power transformer |
|||||||||
| Rated capacity (kva) |
Voltage ratio(kv) | Connection symbol | No-load loss (kw) |
No-load current (%) |
Full-load loss (kw) |
Impedance(%) | |||
| HV | MV | LV | step-up | step-down | |||||
| 6300 | 110、132 ±8×1.25% |
35 37 38.5 ±2×2.5% or ±5% |
6.3 6.6 10.5 11 |
YNyn0d11 | 12 | 0.60 | 47 | H-M 10.5H-L 17-18M-L 6.5 |
H-M 17-18H-L 10.5M-L 6.5 |
| 8000 | 14.4 | 0.60 | 56 | ||||||
| 10000 | 17.1 | 0.55 | 66 | ||||||
| 12500 | 20.2 | 0.55 | 78 | ||||||
| 16000 | 24.2 | 0.50 | 95 | ||||||
| 20000 | 28.6 | 0.50 | 112 | ||||||
| 25000 | 33.8 | 0.45 | 133 | ||||||
| 31500 | 40.2 | 0.45 | 157 | ||||||
| 40000 | 48.2 | 0.40 | 189 | ||||||
| 50000 | 56.9 | 0.4 | 225 | ||||||
| 63000 | 67.7 | 0.35 | 270 | ||||||
Choose ZTelec Electric for advanced transformer design, strict international certification, and over 30 years of engineering expertise in global power system solutions.
Leave A Comment