Product Details
Company Profile

50Hz Oil Immersed Pad Mounted Distribution Transformer Three Phase 100KVA To 4000KVA

Product Specifications

Attribute	Value
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

Parameter	Unit	Value
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

Parameter	Unit	Value
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

Parameter	Unit	Value
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.

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