Product Introduction
The 100 Kva 3 Phase Transformer is a high-durability power distribution unit featuring low-loss silicon steel cores, impact-resistant copper windings, and a corrosion-proof steel enclosure.
What Power Needs Does a 100 kVA Transformer Serve?
A 100 kVA three-phase transformer can comfortably handle a total connected load of approximately 80-100 kW (assuming a power factor of 0.8-1.0).
In practical terms, this means it is ideal for:
Small to medium-sized manufacturing workshops with 5-15 units of motor-driven equipment (e.g., lathes, milling machines, presses, conveyors).
Commercial buildings and shopping plazas with a floor area of 1,000-2,000 square meters, supporting lighting, HVAC systems, elevators, and POS systems.
Agricultural and irrigation facilities requiring power for multiple large water pumps and processing machinery.
Temporary construction sites or mining camps that need a reliable, compact power hub for all on-site operations.
Suitable Application Scenarios
This transformer is the "power heart" for numerous mid-sized operations:
Factories: Automotive repair shops, plastic injection molding facilities, food processing plants, and textile mills.
Commercial Buildings: Supermarkets, department stores, multi-story office buildings, hotels, and shopping centers.
Infrastructure: Street lighting grids, water treatment plants, and telecom base stations.
Renewable Energy: As a step-up transformer for small-scale solar or wind farm collection systems.
Scope of supply
- Product: Distribution transformer
- Number of phases: 3 phase
- Rated power: Up to 2500 kVA
- Primary voltage: 11KV/10.5KV/10KV
- Secondary voltage: 400V
- Vector Group: Dyn11
- Customizable production: Yes
Technical Specifications
|
Model |
S11-M-100kVA-10/0.4 |
|
Type |
Oil Immersed Power Transformer |
|
Standard |
IEC60076/GB1094 |
|
Rated Power |
100kVA |
|
Frequency |
50HZ |
|
Phase |
Three |
|
Cooling Type |
ONAN |
|
Primary Voltage |
10 KV |
|
Secondary Voltage |
0.4KV |
|
Winding Material |
Copper |
|
Vector Group |
Dyn11 |
|
Impedance |
4% |
|
Tap Changer |
NLTC |
|
Tapping Range |
±2*2.5% @ Primary Side |
|
No Load Loss |
0.2 KW |
|
On Load Loss |
1.58KW |
|
Accessories |
Standard Configuration |
Comparison: 50 kVA vs. 100 kVA vs. 500 kVA
Choosing the right capacity is crucial for cost-efficiency and safety. Here is a simple guide:
| Transformer Capacity | Typical Applications & Load | Key Distinction |
|---|---|---|
| 50 kVA | Small workshops, retail shops, gas stations, or a single large machine. Handles ~40-50 kW load. | The "entry-level" option for small commercial or light industrial use. Lowest initial investment. |
| 100 kVA | Medium workshops, shopping plazas, office buildings, and apartment complexes. Handles ~80-100 kW load. | The "sweet spot" for growing businesses. Offers the best balance of capacity, physical size, and cost for most mid-sized operations. |
| 500 kVA | Large factories, hospitals, data centers, or entire industrial parks. Handles ~400-500 kW load. | The "heavy-duty" solution for large-scale, critical operations. Requires significant space, specialized handling, and a much higher budget. |
Simple Rule: Choosing a unit that is too large increases upfront cost and no-load losses; choosing one too small risks overloading and tripping. A 100 kVA unit is the versatile, standard choice for the most common commercial and light-industrial applications.
Real-World Use Cases
Scenario A: A Furniture Workshop
A furniture factory with 10 woodworking machines (table saws, planers, sanders, dust collectors) and a 50-employee office area uses one 100 kVA transformer to power all production equipment and building services (lighting, AC, computers) simultaneously, ensuring stable operation even when all machines start up together.
Scenario B: A Community Shopping Plaza
A two-story shopping plaza with a supermarket (coolers, freezers), 10 retail stores (lighting, POS), and 2 fast-food restaurants (kitchen equipment, HVAC) relies on a 100 kVA transformer to manage its peak-hour power demand reliably and safely.
Scenario C: A Remote Construction Site
A construction company working on a new highway uses a 100 kVA pole-mounted transformer as a temporary, secure, and easily deployable power source for concrete mixers, tower cranes, site offices, and lighting, minimizing setup time and cost.
Engineering Drawings & Layout
Transformer Process Flow Diagram
Compliance & Certifications
✔ ISO Quality Management - Factory operates under ISO 9001, ISO 14001, and ISO 45001 certified management systems.
✔ Product Safety Compliance - The 100 Kva 3 Phase Transformer fully complies with IEC 60076 power transformer standards.
✔ International Grid Access - Certified by CE and IEEE standards for direct integration into global electrical grids.
✔ Environmental & Material Safety - Complies with RoHS and REACH directives, ensuring hazard-free materials and transformer oil.
Factory Quality Control & Testing
| Quality Control & Inspection Item | Quality Proof & Objective Data |
|---|---|
| Power-Frequency Withstand Test | Routine tested at 35kV/5kV for 60s without insulation breakdown, per IEC 60076-3. |
| No-Load & Load Loss Measurement | Power analyzer tests confirm no-load losses are 15% lower than standard. |
| Temperature Rise Test | Full-load testing limits winding temperature rise strictly to under 65K. |
| Partial Discharge (PD) Measurement | At 1.5× rated voltage, partial discharge is strictly controlled below 10 pC. |
| High-purity transformer oil testing | Oil breakdown voltage exceeds 60 kV, guaranteeing long-term operational stability. |
| Enclosure protection & anti-corrosion | IP54 and salt spray tests prove zero leakage in harsh environments. |
Packaging & Logistics
- Transit Security The 100 Kva 3 Phase Transformer is anchored to an iron frame, preventing transit collisions.
- Stackable Freight Optimization The rigid frame allows double-layer stacking, maximizing container space to reduce client shipping costs.
- Forklift-Ready Base The integrated iron frame base features built-in slots for secure forklift and crane handling.
After-Sales Service & Support
1. On-Site Technical Support
Provides factory-directed installation guidelines and commissioning support for the 100 Kva 3 Phase Transformer.
2. Emergency Technical Support
24/7 remote video diagnostics. If local intervention is required, authorized partners or engineers will be mobilized according to SLA.
3. Maintenance Guidelines
Provides comprehensive operational manuals and checklists for routine maintenance, including oil sampling, DGA (Dissolved Gas Analysis), and gasket integrity checks.
4. Critical Spare Parts
Ready-to-ship inventory of essential components, including high/low voltage bushings, sealing gaskets, and temperature controllers.
5. Warranty & Lifecycle Upgrades
Covers quality-related repairs under warranty and offers post-warranty insulation and cooling upgrades.
FAQ
Q: How does the factory verify the sealing integrity before delivery?
A: Every unit undergoes a 24-hour constant pressure oil leakage test at 0.05 MPa before packing.
Q: How is the transformer secured to prevent damage during sea freight?
A: The transformer's integrated iron base frame is bolted directly to the container floor or heavy-duty steel skids, supplemented by desiccant packs and heavy-gauge PE shrink wrap for ocean transit protection.
Q: What is the standard production lead time for a batch order?
A: The standard manufacturing and testing cycle takes 20 to 25 days from raw material sourcing to dispatch.
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