100 kVA Pole Mounted Transformer
The Smart Sizing Decision: Why 100 kVA Pole Mounted Transformer
Many customers ask: “My load is 80 kW. Can I use an 80 kVA transformer?”
The answer is NO. Here’s why:
Higher Efficiency: Transformers run best at 60% to 80% load. When the 100 kVA unit is providing 80kW load, it is operating at 80% efficiency: the sweetspot. The same load on an 80 kVA unit will be at 100% and this reduces the life of the coils and increases the heat output.
Load Expansion Buffer: The extra 20% margin in a 100 kVA transformer allows for growth of additional loads such as new AC units, pumps or additional equipment. If you choose 80 kVA, you may need to purchase a replacement in the near future, which will be much more expensive than if you have the correct size to begin with.
kVA is not kW: Transformer rating is in kVA (apparent power) , not kW (real power). If your load is 80 kW and your power factor is 0.8, you actually need: 80 ÷ 0.8 = 100 kVA. 80 kVA transformer at unit power factor of 0.8 has a power capacity of 64 kW. That means it will overload immediately.
Standard Capacity: 100 kVA is an industry-standard size. That means it is readily available, competitively priced, and easy to stock and maintain.
OMEK’s Takeaway: If your facility draws around 80 kW of real power, 100 kVA is the technically correct and most economical choice.
100 kVA Pole Mounted Transformer General Specs
| Item | Specification | |
| Capacity | 100 kVA (Customizable) | |
| Phase | Single Phase, Three Phase | |
| Primary Voltage | 2400 V to 34500 V (Customizable) | |
| Secondary Voltage | 110 V to 690 V (Customizable) | |
| Tapping Range | ±2 x 2.5% (Customizable) | |
| Impedance Voltage | 1.5% – 3.0% (Customizable) | |
| Rated Frequency | 50 Hz, 60 Hz (Customizable) | |
| Fluid Type | Mineral Oil, Vegetable Oil (Customizable) | |
| Cooling Type | ONAN | |
| Core Material | Silicon Steel, Amorphous Alloy (Customizable) | |
| Standard Compliance | IEC, IEEE/ANSI, RETIE, INMETRO, SONCAP, KEBS, SABS, PCCC Energy-Saving | |
| Certification | CE, ASTA, ISO 9001/14001/45001, CCC, CQC, ILAC-MRA Test Reports, SGS/BV Inspected |
100 kVA Pole Mounted Transformer Technical Specs
- D13-M(R)-(10-160)/10
- D11-M(R)-(10-160)/10
| D13‑M(R)‑(10‑160)/10 100 kVA Single‑phase Oil‑immersed Pole Mounted Distribution Transformers | |
|---|---|
| Parameter | Specification |
| Phase | Single phase |
| Rated Capacity (kVA) | 100 |
| High Voltage (kV) | 6 / 6.3 / 10 / 10.5 / 11 |
| Low Voltage (kV) | 2 × (0.22~0.24) or 0.22~0.24 |
| Frequency (Hz) | 50, 60 |
| Tapping Range | ±2 × 2.5% |
| Total Weight | 450‑650 kg |
| Connected Group Lable | li0, li6 |
| No‑Load Loss (W) | 152 |
| Load Loss (W) | 1480 |
| No‑Load Current (%) | 0.6 |
| Short Circuit Impedance (%) | 3.5 |
| Insulation Class | Class A |
| Temperature Rise | 65 ℃ |
| Enclosure Protection Rating | IP54, IP65 |
| Overall Dimension (L×W×H, inches) | 24.4 × 19.7 × 45.5 |
| Mounting Dimension (L×W, inches) | 11.81 × 17.72 |
| D11‑M(R)‑(10‑160)/10 100 kVA Single‑phase Oil‑immersed Pole Mounted Distribution Transformers | |
|---|---|
| Parameter | Specification |
| Phase | Single phase |
| Rated Capacity (kVA) | 100 |
| High Voltage (kV) | 6 / 6.3 / 10 / 10.5 / 11 |
| Low Voltage (kV) | 2 × (0.22~0.24) or 0.22~0.24 |
| Frequency (Hz) | 50, 60 |
| Tapping Range | ±2 × 2.5% |
| Total Weight | 450‑650 kg |
| Connected Group Lable | li0, li6 |
| No‑Load Loss (W) | 190 |
| Load Loss (W) | 1485 |
| No‑Load Current (%) | 0.6 |
| Short Circuit Impedance (%) | 3.5 |
| Insulation Class | Class A |
| Temperature Rise | 65 ℃ |
| Enclosure Protection Rating | IP54, IP65 |
| Overall Dimension (L×W×H, inches) | 24.4 × 19.7 × 45.5 |
| Mounting Dimension (L×W, inches) | 11.81 × 17.72 |
100 kVA Pole Mounted Transformer Key Features
Heavy-duty corrugated fins expand the total steel tank surface area to ensure efficient thermal dissipation.
High-current low-voltage bushings fitted with copper spade bars to deliver maximum conductivity and rust resistance.
Heavy-gauge steel brackets and reinforced lifting lugs support safe single-pole or H-frame mounting up to 800 kg.
Multi-position tap changer paired with a high-flow pressure relief valve to safely expel internal tank pressure.
Product Highlights: What Makes 100 kVA Overhead Transformer Stand Out
30% Higher Thermal Efficiency
The 100 kVA aerial transformer is engineered with a larger oil tank and heavy-duty corrugated fins that provide 30% more surface area for heat dissipation.
It can operate in extreme ambient temperature up to 55°C non-stop with 100% full load, and can withstand steady thermal stresses while using 100kWp PV grid tied system.
Low Contact Resistance & Long-Term Reliability
The 100 kVA overhead transformer is designed with high-current LV bushings and heavy-duty flat copper spade bars.
That significantly reduces junction contact resistance and prevents terminal oxidation, overheating, and catastrophic power loss with heavy continuous loads.
Heavy-Load Structural Safety
This transformer is constructed with heavy-gauge steel support brackets, anti-drop lifting lugs, and reinforced pole clamps to safely handle the load with 800 kg capacity.
That meets regional utility grid codes for H-Frame / Two-Pole Structure installations on heavy-duty 3-Phase pole-mounted units.
Bi-Directional Voltage Control
The 100 kVA pole top transformer features a multi-position off-circuit tap changer with enlarged contacts and a high-flow pressure relief vent.
It solves voltage sag in long-distance rural grid by dynamically controlling the low voltage levels in the terminals and controls the voltage rise under reverse feeding during the day when it is required by renewable energy connections.
Optional Completely Self-Protected (CSP) Package
The 100 kVA pole mounted transformer has an optional CSP package featuring internal HV primary weakness fuses, a LV thermal circuit breaker and heavy duty surge arresters to maximize grid safety and lower installation cost.
This helps to keep your device free of external cutouts and gives you 100% built-in protection from lightning, overloading, and catastrophic internal grid faults.
Applications – Where to Use 100 kVA Pole Mounted Transformers
100 kVA Single Phase Oil Immersed Pole Mounted Transformers
Suburban Residential Power
Designed for low-density residential areas where each and every house is far apart. Specifically, the 100 kVA overhead transformer can effectively power 4 to 8 households via a split-phase system (120/240V).
In addition, it can also support big power-hungry appliances in each house, such as central air conditioning, electric vehicle chargers, and electric heating systems.
Specialized Agricultural & Seasonal Operations
Built to provide reliable power for agricultural use, especially those only running during certain seasons or need a big surge of power to start up.
The 100 kVA unit can be used in deep well pumps, drainage stations, fish farm oxygen pumps, automated greenhouse systems (heating, cooling, ventilation), and high-power grow lights for crops.
Linear Infrastructure & Transportation Corridors
Used for power items along roads, railways, and other infrastructure:
Highway Power: runs lights, digital signs, and cameras along a section of road that is 3-5 km long.
Railway Power: keeps train signaling systems running 24/7 for a 5-10 km stretch of track.
Communication & Water Monitoring: powers 5G cell towers and automated water monitoring/drainage stations.
Solar PV & Renewable Energy Ready
A perfect capacity for 100 kWp distributed solar step-up grid-tying or 10 MW+ utility-scale station service.
This transformer is designed for a 30% larger cooling margin and multi-position tap changer for non-stop 100% full-load operation and mid-day voltage-rise management.
100 kVA Three Phase Oil Immersed Pole Mounted Transformers
Rural Village Electrification
The 100 kVA overhead transformer serves as a major “one-village-one-transformer” solution for compact rural villages (30-60 households) and small rural communities in Asia, Africa, and Latin America.
Agricultural & Water-Conservancy Power Nodes
The 100 kVA pole mounted transformer provides reliable power for high inrush 3-phase electric motors to operate small-scale agricultural irrigation pumps, aquaculture aeration systems, grain drying facilities, and small flour/feed processing mills.
Rural Micro-Enterprises & Workshops
The 100 kVA aerial transformer provides three-phase industrial power supply to small rural workshops including woodworking shops, stone cutting sites, brickyards, oil mills, auto repair stations, etc., without the need for costly civil substation housing.
Suburban Infrastructure & Public Utilities
The 100 kVA pole type transformer ensures uninterrupted 24/7 power for town-edge public facilty and utility nodes, such as gas stations, highway toll plazas, small wastewater treatment plants, rural health clinics, and centralized roadway lighting control centers.
Related Products
Customization Options
OMEK can customize kVA ratings, high/low primary voltages, tapping range, vector groups, rated frequency, dual-voltage outputs, short-circuit impedance, enclosure material, winding material, core material, packing method, etc., according to your specific requirements.
Contact us today with your specifications. We’ll get back to you within 24 hours with a tailored solution.
Why Choose OMEK?
- OMEK is strict with a procedure for receiving, inspecting, and releasing raw materials.
- The lot identification and traceability system are established for received materials.
- Our raw materials are stored under suitable conditions to preserve their integrity and quality.
- OMEK has its own laboratories or uses a third-party laboratory for quality control testing.
- Our measuring and testing equipments are calibrated periodically.
- Batch release tests (or routine tests) are performed before shipment to customers.
- OMEK guarantees a full batch traceability from the receipt of raw materials through delivery to customers.
- OMEK implements a procedure for managing complaints, returns, and product recalls, when applicable.
FAQ
Our transformers meet IEC, ANSI, IEEE, and DOE, and are also available with UL and CE certification.
Typically takes 4-8 weeks. Sample orders are welcome for quality testing.
Yes. We offer full customization on kVA rating, high/low primary voltages, tapping range, vector groups, rated frequency, dual-voltage outputs, short-circuit impedance, enclosure material, winding material, core material, packing method.
OMEK offers a 24-month warranty period. Extended warranty terms are negotiable upon your request.