# Hitachi Energy Resibloc® 3150 kVA 34.5/0.8-0.8 kV Dual LV Solar Dry-Type Transformer

> Hitachi Energy Resibloc® 3150 kVA 34.5/0.8-0.8 kV Dual LV Solar Dry-Type Transformer belongs to the Solar PV Step-Up Transformers category and is rated at 3150 kVA with 34.5/0.8 kV primary/secondary voltage. Application: Mineral-Oil-Free Dry-Type Step-Up for Utility-Scale Solar Plants. Final ratings must be verified against the manufacturer datasheet.

> SKU: VF-ABB-RES-SOL-3150-35 | Brand: ABB / Hitachi Energy | Category: Power & Energy Equipment / Transformers / Renewable Energy Transformers (PV, Wind & BESS) / Solar PV Step-Up Transformers

**Voltformer canonical:** https://voltformer.com/product/hitachi-energy-resibloc-3150-kva-34-5-0-8-0-8-kv-dual-lv-solar-dry-type-transformer - markdown version: https://voltformer.com/product/hitachi-energy-resibloc-3150-kva-34-5-0-8-0-8-kv-dual-lv-solar-dry-type-transformer.md

## Overview

Hitachi Energy Resibloc® 3150 kVA 34.5/0.8-0.8 kV Dual LV Solar Dry-Type Transformer is intended for Mineral-Oil-Free Dry-Type Step-Up for Utility-Scale Solar Plants. Configured electrical data: 3150 kVA, 34.5/0.8 kV primary/secondary voltage, 50 Hz, 3-phase, vector group Dyn11-yn11 and short-circuit impedance 7%. Construction: Copper (Cu-Cu); cooling: AN/AF; loss class: Ecodesign Tier 2 Resibloc Solar. 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:** Mineral-Oil-Free Dry-Type Step-Up for Utility-Scale Solar Plants
- **Target industries:** Ground-Mounted Solar PV Plants, Industrial Rooftop Solar PV Projects, Floating Solar PV Plants
- **Brand:** [ABB / Hitachi Energy](https://voltformer.com/brand/abb-hitachi-energy.md) - Global leader in high-voltage power grids and critical industrial infrastructure; Hitachi Energy delivers Resibloc® glass-fibre reinforced dry-type, TrafoStar™ large power transformers and EcoDry seri
- **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. / [Solar PV Step-Up Transformers](https://voltformer.com/category/renewable-energy-transformers/solar-pv-step-up-transformers.md)

## Technical Specifications

| Property | Value |
|---|---|
| Rated power | 3150 kVA |
| Primary / secondary voltage | 34.5 kV / 0.8 kV (±2 x 2.5%) |
| Frequency / phases | 50 Hz / 3-phase - Dyn11-yn11 |
| Short-circuit impedance (Uk) | 7% |
| No-load loss P0 | 3.20 kW |
| Load loss Pk | 22.0 kW |
| Calculated efficiency (power factor = 1) | 99.21% at 100% load; 99.45% at 50% load |
| Loss class | Ecodesign Tier 2 Resibloc Solar |
| Windings | Copper (Cu-Cu) - cooling: AN/AF - insulation: Class H (180°C) |
| Temperature rise | 100 K - sound pressure: 59 dB(A) |
| Mass and dimensions | 8500 kg - 2400×1400×2350 mm |
| Enclosure | IP00 / optional IP31 - wheel gauge: 1070 mm |
| LI / AC withstand | 170 kV peak / 70 kV rms - partial discharge: 5 pC |
| Environment | -25°C / +40°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 60076-11
- IEC 60076-16
- TS EN 50708 series

## Accessories

**Included:** PT100 Sensors, Glass Fiber Frame
**Optional:** IP31 Enclosure, Cooling Fan Kit

## Official sources

- https://www.hitachienergy.com/products-and-solutions/transformers

- **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: $49,000 – $58,000 USD
- Delivery time: 2–8 weeks (may vary depending on technical configuration, factory capacity and destination) - Warranty: 36 months
- Compliance candidates: IEC 60076-11, IEC 60076-16, TS EN 50708 series. 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-ABB-RES-SOL-3150-35","quantity":1}]}
```

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