What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

Can you provide technical documentation?

Yes, we provide technical solutions, quotation, data sheets, drawings, and manufacturing plans.

What is the cooling method used?

The transformer uses an oil-immersed type cooling method with excellent control.

31.5mva 66kv Double Winding Power Transformers with on Load Tap Changer 69 Kv Three Phase Two Windings with Octc

Name: 31.5mva 66kv Double Winding Power Transformers with on Load Tap Changer 69 Kv Three Phase Two Windings with Octc
Brand: Ningbo Ville Electric Co., Ltd.
SKU: 722503372

Zhejiang, ChinaNingbo Ville Electric Co., Ltd.

US$1,000.00-7,700.00

1 Piece

Product profile

Customization

Available

Application

Power

Phase

Three

Model NO.

sz-31500/69/6.3

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001-2000, ISO9001

Usage

Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Ville

Power

Hydroelectric (Power) Station

Transport Package

The Accessories Packed in Plywood Cases,The Main B

Specification

IEC60076

Trademark

ville

Origin

Ningbo China

HS Code

8504109000

Production Capacity

5000/Year

Key features

High Insulation Level: Adopts electric stress field calculation to guarantee superior insulation performance.

Oil Leak Proof Design: Utilizes high-quality rubber gaskets in grooves to ensure zero leakage.

Low Noise Operation: Core hydraulic compaction technology significantly reduces noise levels.

Short Circuit Withstand: Designed based on worst-case conditions with high-frequency welding for strength.

ISO9001 Certified: Manufacturing process verified with ISO9001, ISO14001, OHSAS18001, and CE certifications.

Long Life Cycle: Engineered for durability with low loss and free maintenance requirements.

IEC Standard Compliance: All parameters and manufacturing strictly follow international IEC standards.

Comprehensive Services: Includes pre-sale solutions, manufacturing supervision, and post-sale installation support.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceCustomization from Designs

Ningbo Ville Electric Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2006-07-05Nearest Port: ningbo, shanghai, dalianAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FCA, EXW

AI-Powered supplier vetting

SummaryThe supplier presents itself as an electrical equipment provider serving international power boards, contractors, factories, and power projects. It offers equipment supply, installation, commissioning, after-sales service, electrical solution design, OEM, ODM, and multiple forms of customization. Reported production capacity covers power transformers, circuit breakers, disconnectors, furnaces, and transformers, while exports account for 51%–70% of total sales. The supplier lists numerous management-system certifications and has 50 years of combined R&D engineer experience and 31–40 quality-control staff. However, the evidence also shows limitations: no overseas warehouses, showrooms, agents, branches, or offline trade-show participation; no new products reported in the past year; no available SDK; and weaknesses in documented quality, complaint-handling, supplier-service assessment, corrective-action, traceability, and fire-drill procedures. Financial data is present only as year labels, so financial...

Supplier typeThe supplier is positioned as a power-transmission and distribution electrical equipment manufacturer and solution provider. It serves international state power boards, power construction and project contractors, factories, and global electric-power projects, while also offering OEM, ODM, installation, commissioning, after-sales service, and electrical solution design.

CertificationsThe supplier reports holding a broad set of management-system certifications, including ISO 9001, ISO 14001, ISO 14064, ISO 50001, ISO 29001, ISO 20000, TS 16949, ANSI/ESD, QC 080000, and related ISO certifications. This is explicit evidence of certification coverage, although the provided information does not include certificate numbers, validity dates, or scopes.

After-Sales capabilityThe supplier explicitly states that it provides installation, commissioning, and after-sales service, and reports 417 qualified suppliers for service capability. However, its service-capability assessment lacks a written procedure, corrective and preventive actions have no written procedures or records, and it has no overseas warehouse, showroom, agent, or branch support.

Production capacityReported annual productivity includes 6,000 power transformers, 50,000 circuit breakers, 60,000 disconnectors, 3,000 furnace sets, and 10,000 transformers. The supplier also reports an annual production output range and maintains 31–40 quality-control staff, providing explicit evidence of substantial multi-product manufacturing capability.

Customization capabilityThe supplier states that it can design complete electrical solutions according to customer demand and provides flexible customization, full customization, customization from designs, minor customization, and customization from samples. It also offers both OEM and ODM services, directly supporting broad customization capability.