# Wolong Electric (Wolong Transformer)

> Global electromechanical giant in heavy-industry motor drive transformers (VFD), 25 kV Scott traction transformers for high-speed trains, mining flameproof ex-proof transformers and industrial process transformers up to 220 kV.

> Headquarters: Shaoxing, Zhejiang, China - Warranty: 3 years - Sample models below: 3 (total catalog models: 3)

**Canonical:** https://voltformer.com/brand/wolong-electric - markdown: https://voltformer.com/brand/wolong-electric.md

## Overview

Global electromechanical giant in heavy-industry motor drive transformers (VFD), 25 kV Scott traction transformers for high-speed trains, mining flameproof ex-proof transformers and industrial process transformers up to 220 kV. Request a formal factory quotation through Voltformer. Verify applicable standards, guaranteed ratings and declarations of conformity against the exact offered-model documentation and project jurisdiction. The IEC/EN 50708 series and EU Regulations 548/2014 and 2019/1783 apply only where the transformer and market fall within their legal scope.

## Official sources

- https://ess.wolong.com/product/index.html

- **Last reviewed:** 2026-09-13

## Sample Models

- [VF-WL-SCOTT-50M-220 - Wolong Electric 50 MVA 220/27.5 kV HSR Scott-Connected High-Speed Train Traction Transformer](https://voltformer.com/product/wolong-electric-50-mva-220-27-5-kv-hsr-scott-connected-high-speed-train-traction-transformer.md)
- [VF-WL-DRV-25M-35K - Wolong Electric 25 MVA 35 kV Multi-Winding VFD Speed Control Drive Transformer](https://voltformer.com/product/wolong-electric-25-mva-35-kv-multi-winding-vfd-speed-control-drive-transformer.md)
- [VF-WL-MINE-2000-10 - Wolong 2000 kVA 10/1.14-0.66 kV Underground Mining Ex-d Flameproof Dry Transformer](https://voltformer.com/product/wolong-2000-kva-10-1-14-0-66-kv-underground-mining-ex-d-flameproof-dry-transformer.md)

## RFQ

Use the family-specific search/get tools in [the tool reference](https://voltformer.com/tool-reference.md) to choose an exact SKU or ID. RFQ submission requires authentication, a complete draft and explicit user confirmation; unknown project inputs must not be invented.