HENTG POWER 3000kVA 34.5kV to 480V Liquid-Filled Pad Mounted Transformer for Industrial Power Distribution
Product Summary
HENTG POWER 3000kVA pad-mounted transformer: 34.5kV to 480V step-down, 3-phase liquid-filled design. ANSI/IEEE compliant with loop feed for redundancy, dead-front safety, and copper windings. Ideal for North American utility & industrial applications.
Key Attributes
Brand Name:
HENTG POWER
Model Number:
3000kVA 34.5kV to 480V
Place of Origin:
China
Certification:
UL, ISO9001
MOQ:
1
Supply Ability:
300-500MVA/year
Delivery Time:
25-35 days
Payment Terms:
L/C,T/T,Western Union
Product Custom Attributes
Highlight
3000kVA Pad Mounted Transformer
,34.5kV to 480V Power Transformer
,Liquid-Filled Distribution Transformer
Usage:
Industrial Power Distribution,Commercial,Utility Distribution,Renewable Energy Integration
Phase:
Three Phase
Frequency:
50Hz Or 60Hz
Product Name:
Power Distribution Transformer,medium Voltage Transformer Electric Power Transformer 400V 220v 50hz,Ring Bushing Type Current Transformer,250KVA Transformer,Oil Immersed Electric Power Distribution Transformer Price For Sale
Type:
Power Transformer,Oil Immersed Type
Rated Capacity:
30-3000kva
Rated Voltage:
10kV-35kV,13.8KV,6.3KV,22KV,Customize
Material:
Copper,Cooper Or Aluminum,Copper Wire + Ferrite Core,Silicone Gel,Epoxy Resin
Standard:
ANSI C57.12.28，IEEE Std C57.12.01，UL 1561 / UL 506，CSA
Capacity:
3000KVA Available
Primary Voltage:
Customize,34.5KV
Secondary Voltage:
Customize,480V/277V
Winding Material:
Copper 100%
Product Description
HENTG POWER 3000kVA Pad Mounted Transformer
HENTG POWER 3000 kVA pad mounted transformer, 3 phase liquid-filled loop feed transformer, 34.5 kV primary and 480Y/277 V secondary, step-down only. ANSI/IEEE compliant, ideal for North American utility, industrial, and commercial applications.
The HENTG POWER 3000 kVA pad mounted transformer is a high-performance, 3 phase liquid-filled step-down transformer engineered for underground distribution networks, industrial facilities, commercial complexes, and utility substations in the United States and Canada.
Compartmental Type Transformer Features
- Loop feed design for network redundancy
- Dead-front primary bushings for operator safety
- Self-cooled KNAN system with optional fans for higher overload capacity
- ANSI/IEEE compliance for easy utility approval
Technical Specifications
General Specifications
| Type | Pad-Mounted, Compartmental |
|---|---|
| Cooling | KNAN, Self-Cooled |
| Operation | Step-Down (Not approved for Step-Up) |
| Phase | Three-Phase |
| Frequency | 60 Hz |
| Impedance | 5.75% (Target) |
| Temperature Rise | 55/65°C |
| Insulation Class | Class E (120°C / 248°F) |
Rating Specifications
| Base Rating | 3.0 MVA (3000 kVA) |
|---|---|
| With Fans | 3.36 MVA (3360 kVA) |
| HV Voltage | 34,500 V |
| HV Class | 35 kV |
| HV BIL | 150 kV |
| LV Voltage | 480Y/277 V |
| LV Class | 1.2 kV |
| Vector Group | Dyn1 |
High Voltage (Primary) Specifications
| Configuration | Delta |
|---|---|
| Bushing Type | 600A, 35 kV Class, Deadbreak (IEEE 386) |
| Front | Dead Front |
| Terminal Arrangement | V-Type |
| Connections | (6) Primary Bushings for Elbow Connectors |
| Surge Arresters | (3) 36 kV Class Elbow Arresters, 29 kVrms |
| Taps | 5-Position De-Energized Tap Changer (±2 × 2.5% / 2 FCAN / 2 FCBN) |
Low Voltage (Secondary) Specifications
| Configuration | Wye-N |
|---|---|
| Front | Live Front |
| Terminal Arrangement | Staggered |
| Terminals | NEMA 12-Hole Spade |
| Bushings | Externally Clamped Epoxy Bushings with Copper Studs |
Benefits for North American Utilities and EPCs
- ANSI/IEEE Compliance: Simplifies utility approvals and inspections
- Loop Feed Design: Ensures continuous power and network redundancy
- Dead-Front Safety: Reduces operator risk and improves maintenance safety
- Flexible Tap Changer: Accommodates voltage variations in distribution networks
- Self-Cooled with Optional Fans: Supports higher load conditions and extends service life
- Durable Construction: Compartmental design protects HV/LV sections and minimizes maintenance
Frequently Asked Questions
Is this transformer suitable for U.S. and Canadian distribution systems?
Yes, it is ANSI/IEEE compliant and designed for 60 Hz North American systems.
Can it be used for step-up applications?
No, this model is step-down only.
What is the cooling method?
Self-cooled KNAN system, optional fans available for higher load ratings.
Is this transformer suitable for loop feed networks?
Yes, the loop feed design ensures redundancy and continuous service.
Are test reports provided?
Yes, routine and type test reports are provided per IEEE standards.
Can bushings and taps be customized?
Yes, tap ranges, bushing types, and configurations can be customized based on project specifications.
About HENTG POWER
HENTG POWER is a trusted manufacturer of pad mounted transformers and liquid-filled distribution transformers serving North America.
Our Specializations
- 3 phase pad mounted transformers
- Compartmental type loop feed transformers
- Utility distribution transformers
- Industrial and commercial power solutions
Our products are designed for long service life, energy efficiency, and environmental safety, meeting ANSI, IEEE, and CSA standards. HENTG POWER is your reliable partner for high-quality transformer solutions.
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