# TBEA 6000 kVA 66/0.69 kV Offshore Wind Transformer

> TBEA 6000 kVA 66/0.69 kV Offshore Wind Transformer belongs to the Wind Plant (RES) Step-Up Transformers category and is rated at 6000 kVA with 66/0.69 kV primary/secondary voltage. Application: 6-8 MW Offshore Wind Turbine Tower / Platform Step-Up. Final ratings must be verified against the manufacturer datasheet.

> SKU: VF-TBEA-WND-6000-66 | Brand: TBEA (Tebian Electric Apparatus) | Category: Power & Energy Equipment / Transformers / Renewable Energy Transformers (PV, Wind & BESS) / Wind Plant (RES) Step-Up Transformers

**Voltformer canonical:** https://voltformer.com/product/tbea-6000-kva-66-0-69-kv-offshore-wind-transformer - markdown version: https://voltformer.com/product/tbea-6000-kva-66-0-69-kv-offshore-wind-transformer.md

## Overview

TBEA 6000 kVA 66/0.69 kV Offshore Wind Transformer is intended for 6-8 MW Offshore Wind Turbine Tower / Platform Step-Up. Configured electrical data: 6000 kVA, 66/0.69 kV primary/secondary voltage, 50 Hz, 3-phase, vector group Dyn11 and short-circuit impedance 8.5%. Construction: Copper (Cu-Cu); cooling: KDAF (Forced-Cooled Synthetic Ester); loss class: Ecodesign Tier 2. These values support preliminary engineering selection; verify insulation levels, thermal limits, short-circuit duty, installation conditions and applicable standards against the manufacturer datasheet and the site study.

- **Application:** 6-8 MW Offshore Wind Turbine Tower / Platform Step-Up
- **Target industries:** Offshore Wind Power Plants, Coastal Wind Farms
- **Brand:** [TBEA (Tebian Electric Apparatus)](https://voltformer.com/brand/tbea-energy.md) - TBEA, one of the world's largest transformer manufacturers, delivers world-leading engineering from 1000 kV UHV AC/DC power transformers to SCB18 cast-resin dry-type, S20/S22 ultra-low-loss hermetic a
- **Category:** [Power & Energy Equipment](https://voltformer.com/catalog.md) / **Transformers** / [Renewable Energy Transformers (PV, Wind & BESS)](https://voltformer.com/category/renewable-energy-transformers.md): Multi-winding, harmonic-tolerant step-up transformers for solar (PV), wind and battery storage (BESS) plants. / [Wind Plant (RES) Step-Up Transformers](https://voltformer.com/category/renewable-energy-transformers/wind-farm-step-up-transformers.md)

## Technical Specifications

| Property | Value |
|---|---|
| Rated power | 6000 kVA |
| Primary / secondary voltage | 66 kV / 0.69 kV (±2 x 2.5%) |
| Frequency / phases | 50 Hz / 3-phase - Dyn11 |
| Short-circuit impedance (Uk) | 8.5% |
| No-load loss P0 | 3.40 kW |
| Load loss Pk | 32.0 kW |
| Calculated efficiency (power factor = 1) | 99.41% at 100% load; 99.62% at 50% load |
| Loss class | Ecodesign Tier 2 |
| Windings | Copper (Cu-Cu) - cooling: KDAF (Forced-Cooled Synthetic Ester) - insulation: Class K (300°C flame-resistant) |
| Temperature rise | 65 K - sound pressure: 64 dB(A) |
| Mass and dimensions | 14500 kg - 3100×1850×2950 mm |
| Enclosure | IP56 / C5-M marine certified - wheel gauge: 1070 mm |
| LI / AC withstand | 325 kV peak / 140 kV rms - partial discharge: 5 pC |
| Environment | -40°C / +50°C; altitude ≤ 1000 m |
| Core steel | CRGO Laser-Treated Grain-Oriented Silicon Steel (23ZDMH85 / Baosteel B23R085) |
| Bushings / terminals | Direct Copper Busbar Terminals (Busbar Integrated / IP00-IP31) |

## Standards

- IEC 60076-16
- DNV GL Offshore Standard
- ISO 12944 C5-M

## Accessories

**Included:** Synthetic Ester Oil Filling, Dual Buchholz Relays, Corrosion Resistant RIP Bushings
**Optional:** Online DGA & Fiber Temperature Sensors

## Official sources

- https://en.tbea.com/product_list/48.html

- **Source scope:** manufacturer-family
- **Last reviewed:** 2026-09-13

Manufacturer portfolio/family source. Confirm the exact order code, guaranteed ratings and project-specific options against the current OEM datasheet before procurement or an SLD study.

## Pricing & Logistics

- Pricing type: RFQ (On Request) - Indicative range: $85,000 – $98,000 USD
- Delivery time: 2–8 weeks (may vary depending on technical configuration, factory capacity and destination) - Warranty: 36 months
- Compliance candidates: IEC 60076-16, DNV GL Offshore Standard, ISO 12944 C5-M. Verify applicability and conformity against the exact offered model and project jurisdiction.

## RFQ

Request a formal factory quotation via Voltformer RFQ:

```json
POST https://voltformer.com/api/v1/rfq
{"companyName":"Example Energy","email":"procurement@example.com","items":[{"skuOrId":"VF-TBEA-WND-6000-66","quantity":1}]}
```

Full catalog JSON: https://voltformer.com/agent-catalog.json - OpenAPI: https://voltformer.com/openapi.json