Three Phase Oil Immersed Pad Mounted Distribution System
Transformer (100KVA to 4000KVA)
Product Specifications
| Type | Distribution transformer, power transformer, Oil-filled Transformer |
| Material | Aluminum, Copper Winding |
| Frequency | 50Hz, 60Hz |
| Shape | ROUND, Rectangle |
| Application | Power Distribution System |
| Phase | Three |
| Coil Structure | TOROIDAL |
| Coil Number | Dual-winding coil |
| Input Voltage | 180V, 115V, 3kV, 6kV, 10kV, 15kV |
| Output Voltage | 400V, 208V, 200V, 415V, 127V, 9V |
| Rated Capacity | 100-4000kva |
Technical Specifications
HV Specifications
| Rated Frequency | Hz | 50 |
| Rated Voltage | kV | 6, 10, 35 |
| Max Working Voltage | kV | 6.9, 11.5, 40.5 |
| Industrial Frequency Voltage-resisting Time | kV | 32/36, 42/48, 95/118 |
| Thunder and Lighting Ballistic Voltage-resisting Time | kV | 60/70, 75/85, 185/215 |
| Rated Current | A | 400, 630 |
| Rated Brief-period Current-resisting | kA | 12.5(2s), 16(2s), 20(2s) |
| Rated Crest Value Current-resisting | kA | 32.5, 40, 50 |
LV Specifications
| Rated Voltage | V | 380, 220 |
| Rated Current Of Major Return Circuit | A | 100-3200 |
| Rated Short-circuit Current-resisting | kA | 15, 30, 50 |
| Rated Crest Value Current-resisting | kA | 30, 63, 110 |
| Branch Circuit | A | 10-800 |
| Quantity Of Branch | line | 1/12 |
| Compensation Circuit | kVAR | 0-360 |
Transformer Specifications
| Rated Capacity | kVA | 50-2000 |
| Short-circuit Impedance | % | 4, 6 |
| Scope Of Branch Connection | | +2x2.5% ±5% |
| Vector Group | | Yyn0, Dyn11 |
Product Overview
HENTG Power's compact prefabricated substation (also known as unit
substation) is ideal for urban grids, industrial parks, solar/wind
farms, and commercial facilities. With a compact footprint, fast
deployment, and reliable operation, it meets your demands for both
space and efficiency.
- Integrated Design: All-in-one unit integrating HV switchgear, transformer, and LV
cabinet, saving civil work and installation time.
- High Protection Level: Enclosure with IP55 protection made of galvalume or stainless
steel for extreme environments.
Our Manufacturing Process
Step 1: Inquiry & Design
We respond to inquiries within 1 hour and recommend suitable
transformers according to your needs. We provide competitive
quotations and payment terms. Our professional drawing and
technical teams will confirm all drawing contents with you within 7
days after payment, including technical data, weight, and parts
list.
Step 2: Production & Quality Control
After finalizing production drawings, we prepare stock,
manufacture, and conduct rigorous quality inspections before
shipment. We provide QC reports and test reports for quality
assurance. Special accessory requirements can be accommodated.
Step 3: Installation & Support
Our professional team provides installation guidance and on-site
support. We offer more than 2 years of warranty service for your
peace of mind.
Our Advantages
- 30+ senior engineers offering 24/7 online support with 30-minute
response time
- 100,000m² factory with 250 workers and 30+ engineers
- 4 production lines with 10,000+ sets annual production capacity
- 100% OQC testing with 25 detection parameters
- 15 years of power transformer design and production experience
- Products comply with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076
standards
- Cross-industry power transformer solutions
- Global on-site technical support
Frequently Asked Questions
Who are we?
HENTG POWER is a professional designer, manufacturer and installer
of power system solutions worldwide, founded in 2011 with 100,000
square meter facility. We specialize in reliable, high-performance
solutions for global power systems.
How can we guarantee quality?
We always provide pre-production samples before mass production and
conduct final inspections before shipment, including QC & test
reports. We accept Factory Acceptance Tests (FAT). Our factory
manufactures oil type and dry type distribution transformers up to
500KV 480MVA power transformers, GIS, switchgear, and substations,
complying with IEEE/DOE2016/CSA/IEC60076 standards. We provide over
2 years warranty service.
Why choose us?
We have professional and independent drawing and technical teams
that can confirm all drawing contents with you within 7 days. Our
technical team includes 30+ senior engineers offering 24/7 online
support with 30-minute response time.
What services can we provide?
We accept OEM orders and negotiate business payment terms to meet
your specific requirements.
