What are the payment terms and lead time?

Payment terms are T/T. Lead time is within 15 workdays during off-season and one month during peak season.

Two-Winding High Voltgae Transformer with Efficient Oil Immersed Technology for Power Supply

Name: Two-Winding High Voltgae Transformer with Efficient Oil Immersed Technology for Power Supply
Brand: Zhejiang Tianrun Electric Co., Ltd.
SKU: 2318780505

Zhejiang, ChinaZhejiang Tianrun Electric Co., Ltd.

US$5,869.00

1-9 Pieces

US$5,125.00

10+ Pieces

Product profile

Customization

Available

Application

Power, Lighting, Rectifier, Combined Transformer, Power Transformer,

Phase

Three

Model NO.

SZ13

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC, CE

Usage

Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, on-Load Tap Changing Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Tenrony

Rated Frequency

50/60Hz

Rated Voltage/Hv

11/33kv/35kv

Rated Voltage/LV

400V

Transformer Capacity

1250-31500kVA

Connection of Transformer Winding

Ynd11

Winding

Copper

Protective Function

Outdoor IP23/Indoor IP44 Sealed Tank

Noise Level

≤ 52db/Silent Version ≤ 48db

Temperature Rise Limits

Top Oil ≤ 55K; Winding ≤ 65K

Insulation Level

Hv: Li200 AC85kv; LV: Li75 AC35kv

Total Tap Positions

17 (±8 Taps)

Short-Circuit Impedance

7% ±5%

No-Load Current

≤ 0.45%/Ultra-Low No-Load Current

No-Load Loss

3.15kw (Better Than National Grade-2)

Matched Tap Changer

Syjzz Vacuum Olt/Neutral-Point Type Syxzz

Transport Package

Wooden Case

Specification

1200*1850*2100mm

Trademark

TENRONY

Origin

China

HS Code

8504109000

Production Capacity

200/Monthly

Key features

SYJZZ Vacuum OLTC: Built-in vacuum arc extinction switch enables continuous voltage regulation under load without power interruption.

Dual Oil-Chamber Isolation: Switch has a sealed oil compartment separated from main tank, preventing contamination and extending service life.

High-Efficiency Core Design: Full standard safety accessories with low no-load loss and noise, reducing long-term energy costs significantly.

Robust Copper Windings: High-purity oxygen-free copper windings with vacuum impregnation ensure moisture resistance and low partial discharge.

Wide Application Scope: Suitable for 35kV substations, new-energy stations, and industrial plants requiring uninterrupted power supply.

Customization Options: Offers customization from samples, designs, full customization, and minor customization based on client needs.

Low Maintenance Cost: Vacuum interrupters extend oil change intervals by 3 times compared to traditional switches, cutting maintenance costs.

Company profile

Importers and ExportersFull Customization100% Finished Products InspectionR&D Capabilities

Zhejiang Tianrun Electric Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.01h

About Our Factory & Business Background

AddressNo. 788 Wenyi Road, Bihu Industrial Park, Liandu District, Lishui, Zhejiang, China

Plant Area50369.12 square meters

Number of Employees167

Registered Capital107,580,000 RMB

Terms of PaymentT/T

International Commercial Terms(Incoterms)FOB, CIF

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Minimum Order Quantity1

Supply Chain Partners80

Our Production Capability & Technical Expertise

Main ProductsTransformer Switchgear Substation

Production Lines2

Production MachinesPunching machine, Laser cutting machine, CNC bending machine, Winding machine, Drying machine

QA/QC inspectors3 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

R&D Engineers7 people

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2003-12-05

Main MarketsDomestic

Repeat Buyers Choice30%~50%

Number of Foreign Trading Staff1

Overseas Agent/BranchYes

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015, ISO14001, ISO45001:2018

Product CertificationCE

Cooperated with Fortune 500No

Product Q&A

Q:What is the main advantage of the SYJZZ vacuum OLTC?

It uses vacuum-bulb arc extinction to prevent oil carbonization, extending oil change intervals by 3 times and reducing maintenance costs.

Q:Can the transformer regulate voltage without power interruption?

Yes, the built-in SYJZZ vacuum OLTC allows continuous automatic voltage regulation under load without any power interruption.

Q:What are the standard safety accessories included?

Standard accessories include conservator, pressure relief valve, Buchholz gas relay, temperature controller, oil level gauge, and OLTC motor-driven operating box.

Q:What certifications does the product hold?

The product holds ISO9001-2000, ISO9001, CCC, and CE certifications, and the manufacturer has ISO14001 and ISO45001:2018 management system certifications.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 unit.