Product Details
Company Profile

3Phase High Frequency Transformer Industrial Power Stable Voltage Output 35kV 1600kVA

Product Specifications

Attribute	Value
Type	Distribution transformer, Oil-filled Transformer
Material	Aluminum
Frequency	50Hz, 60Hz
Shape	Rectangle
Winding Material	Aluminum
Application	Power
Phase	Three
Coil Structure	Circular coil
Coil Number	Dual-winding coil
Input Voltage	6kV, 3kV, 10kV, 69kV, 110kV, 115kV, 132kV, 400kV, 220kV
Output Voltage	415V, 380V, 220V, 110V, 440V, 480V, 11kV
Primary voltage	35~38.5KV±5%
Cooling Method	ONAN ONAF OFAF
Standard	IEC
Capacity	1600KVA
Vector Group	Yd11/YNd11
Feature	High Frequency Distribution Transformer Oil

Product Overview

The S13 is an advanced three-phase oil-immersed transformer evolved from the S11 model. Through innovative materials, optimized core and coil structure design, and integrated technology, it achieves superior performance with reduced no-load loss and noise levels that are 20% below the national standard JB/T10088-2004.

Customer Benefits

Lower Power Loss = Cost Savings: 30% reduction in no-load loss compared to S11 models, significantly reducing electricity costs
Quiet Operation: Ideal for noise-sensitive environments like hospitals, schools, and residential areas
Maintenance-Free Design: Fully sealed construction minimizes oxidation and eliminates regular oil checks

Technical Specifications

35KV Three-Phase Oil Immersed Transformer (630KVA~31500KVA)

Capacity (KVA)	HV (KV)	HV Tapping	LV (KV)	Vector Group	No-load Loss (W)	On-load Loss (W)	No-load Current (%)	Short Circuit Impedance (%)
630	35	±5%	3.15 6.3 10.5	Yd11	830	7870	1.1	6.5
800					980	9410	1
1000					1150	11540	1
1600					1700	16670	0.8
3150	35~38.5	±5%	3.15 6.3 10.5		3040	23090	0.56	7
6300					5250	35060	0.48	7.5
12500					10080	53870	0.4	8
31500					20220	112860	0.32

Key Features

Optimized for 35kV Medium Voltage Networks

Designed specifically for 35kV distribution systems, commonly used in industrial zones, rural power grids, and utility substations. Provides efficient and stable step-down transformation from sub-transmission to distribution voltage levels.

Stable and Balanced Three-Phase Power Supply

Delivers consistent voltage across all three phases, ensuring smooth operation of heavy-duty equipment and reducing voltage fluctuations. Ideal for industrial plants and large-scale energy consumers.

Efficient Oil-Immersed Cooling System

Uses mineral or natural ester insulating oil for effective heat dissipation and dielectric insulation. Maintains stable operating temperatures even under high load conditions.

High Reliability and Robust Construction

Built to withstand electrical, mechanical, and thermal stress in demanding environments. Features hermetic sealing to prevent moisture ingress and maintain oil quality.

Manufacturing Capabilities

30+ senior engineers offering 24/7 technical support with 30-minute response time
100,000m² factory with 250 workers and 30+ engineers
4 production lines with 10,000+ units annual production capacity
100% quality testing with 25-point inspection protocol
15 years of power transformer design and manufacturing experience
Compliance with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standards

Ordering Process

Step 1: Inquiry & Design

We respond within 1 hour with product recommendations and quotations. Our technical team will confirm all drawing 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 units undergo rigorous quality inspection with QC and test reports provided. We support Factory Acceptance Testing (FAT).

Step 3: Installation & Support

We provide professional installation guidance and on-site support. All products come with a minimum 2-year warranty and ongoing technical assistance.

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 do we guarantee quality?

We conduct pre-production samples and final inspections before shipment, providing QC & test reports. We accept Factory Acceptance Tests (FAT) and manufacture both oil and dry type transformers up to 500KV 480MVA capacity, complying with international standards.

Why choose us?

Our professional team of 30+ senior engineers provides 24/7 technical support with 30-minute response time. We offer comprehensive design services and confirm all drawing details within 7 days.

What services do we provide?

We accept OEM orders and offer flexible payment terms. Our services include custom design, manufacturing, testing, installation, and ongoing technical support.

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