# TBEA 1000 MVA 1000 kV UHV AC Ultra-High-Voltage Transmission Power Transformer

> TBEA 1000 MVA 1000 kV UHV AC Ultra-High-Voltage Transmission Power Transformer belongs to the UHV & EHV Ultra-High-Voltage & HVDC Converter (750-1100 kV) category and is rated at 1000 MVA with 1000/500 kV primary/secondary voltage. Application: World-Record 1000 kV UHV AC Transmission Backbone. Final ratings must be verified against the manufacturer datasheet.

> SKU: VF-TBEA-UHV-1000MVA-1000 | Brand: TBEA (Tebian Electric Apparatus) | Category: Power & Energy Equipment / Transformers / High-Voltage & Transmission Power Transformers / UHV & EHV Ultra-High-Voltage & HVDC Converter (750-1100 kV)

**Voltformer canonical:** https://voltformer.com/product/tbea-1000-mva-1000-kv-uhv-ac-ultra-high-voltage-transmission-power-transformer - markdown version: https://voltformer.com/product/tbea-1000-mva-1000-kv-uhv-ac-ultra-high-voltage-transmission-power-transformer.md

## Overview

TBEA 1000 MVA 1000 kV UHV AC Ultra-High-Voltage Transmission Power Transformer is intended for World-Record 1000 kV UHV AC Transmission Backbone. Configured electrical data: 1000 MVA, 1000/500 kV primary/secondary voltage, 50 Hz, 1-phase, vector group Tek Fazlı Ünite Grubu (3x1000 MVA = 3000 MVA Banka) and short-circuit impedance 18%. Construction: Copper (Cu-Cu); cooling: ODAF (Oil-Directed Air-Forced); loss class: Configuration-specific loss class. 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:** World-Record 1000 kV UHV AC Transmission Backbone
- **Target industries:** Intercontinental UHV Energy Highways, Mega Dam & Nuclear Substation Switchyards
- **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** / [High-Voltage & Transmission Power Transformers](https://voltformer.com/category/power-transmission-transformers.md): 5 MVA–1000 MVA 110 kV, 154 kV, 380 kV, 500 kV and 1000 kV UHV AC/DC transmission and interconnection power transformers. / [UHV & EHV Ultra-High-Voltage & HVDC Converter (750-1100 kV)](https://voltformer.com/category/power-transmission-transformers/uhv-ultra-high-voltage-transformers.md)

## Technical Specifications

| Property | Value |
|---|---|
| Rated power | 1000 MVA |
| Primary / secondary voltage | 1000 kV / 500 kV (±8 x 1.25% (UHV OLTC)) |
| Frequency / phases | 50 Hz / 1-phase - Single-phase unit group (3x1000 MVA = 3000 MVA bank) |
| Short-circuit impedance (Uk) | 18% |
| No-load loss P0 | 185.00 kW |
| Load loss Pk | 920.0 kW |
| Calculated efficiency (power factor = 1) | 99.89% at 100% load; 99.92% at 50% load |
| Loss class | Configuration-specific loss class |
| Windings | Copper (Cu-Cu) - cooling: ODAF (Oil-Directed Air-Forced) - insulation: Class A / UHV insulation barriers |
| Temperature rise | 65 K - sound pressure: 74 dB(A) |
| Mass and dimensions | 520000 kg - 14500×7200×11200 mm |
| Enclosure | IP55 - wheel gauge: 1435 mm |
| LI / AC withstand | 2400 kV peak / 1100 kV rms - partial discharge: 20 pC |
| Environment | -25°C / +40°C; altitude ≤ 1000 m |
| Core steel | CRGO Laser-Treated Grain-Oriented Silicon Steel (23ZDMH85 / Baosteel B23R085) |
| Bushings / terminals | RIP (Resin Impregnated Paper) Dry Condenser High-Voltage Bushing |

## Standards

- IEC 60076 series
- GB/T 1094
- KEMA accredited type-tested

## Accessories

**Included:** 1000 kV Composite RIP Bushings, Smart Partial Discharge (PD) Monitoring, Online DGA 12-Gas, Seismic Dampers
**Optional:** AI-Powered Autonomous Transformer Health Diagnostic System

## 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: Tender-Specific - Indicative range: $4,500,000 – $5,800,000 USD
- Delivery time: 2–8 weeks (may vary depending on technical configuration, factory capacity and destination) - Warranty: 60 months
- Compliance candidates: IEC 60076 series, GB/T 1094, KEMA accredited type-tested. 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-UHV-1000MVA-1000","quantity":1}]}
```

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