Product Details
Company Profile

30kva To 80 Kva Oil Immersed Transformer Electric Step Up Transformer 3phase Oil Cooling

30kVA to 80kVA Oil Immersed Transformer - 3 Phase Oil Cooling Step Up Transformer

Product Overview

Our three-phase oil-immersed distribution transformers range from 30kVA to 2500kVA, with voltage levels up to 35kV. Designed to IEC and ANSI standards, these transformers offer high efficiency, low losses, and long service life for power utilities, renewable energy, industrial facilities, railway systems, and urban infrastructure.

HENTG Power S20 type energy-efficient oil-immersed transformer

Key Specifications

Frequency: 50Hz, 60Hz, 50/60Hz
Phase: Three
Application: Power Distribution System
Output Voltage: 440V, 480V, 400V, 380V, 220V, 110V
Input Voltage: 35kV
Type: Oil-Immersed Transformer
Cooling Method: ONAN (Oil Natural Air Natural)
Standard: DOE/IEC60076/IEEE/ANSI
Vector Group: Dyn11 / Yyn0
Insulation Material: Mineral Oil/Silicone Oil

Technical Specifications

Rated Capacity (kVA)	Vector Group	No-load Loss (W)	Load Loss (W)	Impedance (%)
30	Yyn0 / Dyn11	70	505/480	4.0
50	Yyn0 / Dyn11	90	730/695	4.0
63	Yyn0 / Dyn11	100	870/830	4.0
80	Yyn0 / Dyn11	115	1050/1000	4.0
100	Yyn0 / Dyn11	135	1265/1200	4.0
125	Yyn0 / Dyn11	150	1510/1440	4.0
160	Yyn0 / Dyn11	180	1850/1760	4.0
200	Yyn0 / Dyn11	215	2185/2080	4.0
250	Yyn0 / Dyn11	260	2560/2440	4.0
315	Yyn0 / Dyn11	305	3065/2920	4.0
400	Yyn0 / Dyn11	370	3615/3440	4.0
500	Yyn0 / Dyn11	430	4330/4120	4.0

Our Manufacturing Process

Step 1: Consultation & Design

We respond within 1 hour with transformer recommendations, quotations, and payment terms. Our professional drawing team confirms all technical details within 7 days after payment, including technical data, weight, and parts list.

Step 2: Production & Quality Control

After design approval, we prepare materials and begin production. All transformers undergo rigorous quality inspection with QC and test reports provided. We can accommodate special accessory requirements.

Step 3: Installation & Support

Our professional team provides installation guidance and on-site support when needed. All products come with a minimum 2-year warranty for your peace of mind.

HENTG Power transformer manufacturing facility

Frequently Asked Questions

Who are we?

HENTG POWER is a professional designer, manufacturer and installer of power system solutions founded in 2011. Our 100,000 square meter facility specializes in reliable, high-performance solutions for global power systems.

How can we guarantee quality?

We conduct pre-production sampling and final inspections before shipment, providing QC & test reports. We manufacture oil and dry type distribution transformers up to 500KV 480MVA, GIS, switchgear, and substations to ANSI/IEEE/DOE2016/CSA/IEC60076 standards.

Why choose us?

Our professional team includes 30+ senior engineers offering 24/7 support with 30-minute response times. We confirm all drawing details within 7 days and provide comprehensive technical support.

What services can we provide?

We accept OEM orders with flexible payment terms. Our services include custom design, manufacturing, quality testing, installation support, and warranty coverage.

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