Distributed PV Project for Sichuan China Tobacco’s Shifang Cigarette Factory — Shifang, Sichuan
Zhongxin General delivered four box-type substations (3×1250kVA + 1×2500kVA) with self-manufactured SCB14 dry-type transformers for a distributed photovoltaic project at Sichuan China Tobacco’s Shifang cigarette factory — grid-connected July 14, 2026.
Zhongxin General Showcases Full-Chain Power Solutions at the 2026 China Smart Energy Conference, Chengdu
Zhongxin General brought its full transformer, switchgear and energy-storage lineup — plus its self-developed virtual power plant platform — to the 2026 China Smart Energy Conference in Chengdu, hosting delegations from India, Mongolia and beyond.
Transformer Connection Types Explained: From Basics to Application — Understanding Vector Groups in One Article
Star or delta? Yyn0 or Dyn11? This guide breaks down how transformer vector groups work — the two basic winding connections, the clock-position notation used on nameplates, and why Dyn11 has become the default choice for modern distribution transformers — so you can read a nameplate with confidence and specify the right connection for your project.
What are the differences between dry-type transformers and oil-immersed transformers and how to choose
Not sure which transformer fits your project? This guide breaks down the real differences between dry-type and oil-immersed transformers — fire safety, maintenance, cost, and where each performs best.
The Parameter Checklist You Need Before Buying a Transformer
“I need a transformer, please quote” is the inquiry every transformer manufacturer gets — and rarely the one that gets a fast, accurate answer. Here’s the exact parameter checklist that changes that.
8000 kVA Cast Resin Dry-Type Transformer | China Manufacturer & Supplier
Zhongxin General is a China-based manufacturer, factory and supplier of 8000 kVA three-phase cast resin dry-type transformers — SCB11-8000/35, stepping 35 kV down to 10.5 kV with Yd11 vector group, GB 20052-2024 Tier 3 energy efficiency (Tier 1 available), copper or aluminum winding.
63000 kVA Oil-Immersed Distribution Transformer | China Manufacturer & Supplier
Zhongxin General manufactures 63,000 kVA three-phase outdoor oil-immersed power transformers with on-load tap changer at its Sichuan factory — model SZ20-63000/110, 110kV class stepping down to 10.5kV, YNd11 vector group, ONAN cooling, 82 tonnes total weight. Built to GB1094, GB/T6451-2023 and GB20052-2024, with Grade 1 efficiency and aluminium-winding options available on request for international projects.
12500 kVA Oil-Immersed Distribution Transformer | China Manufacturer & Supplier
Zhongxin General manufactures this 12500kVA oil-immersed transformer (SZ22-12500/35), a 35kV/10.5kV unit built to GB20052-2024 Tier 1 energy efficiency — exceeding EU 548/2014 Tier 1/Tier 2 requirements. Factory photos from core stacking through final testing.
31500 kVA Oil-Immersed Distribution Transformer | China Manufacturer & Supplier
Zhongxin General manufactures 31500 kVA three-phase outdoor oil-immersed power transformers with on-load tap changer at its Sichuan factory — model SZ20-31500/35, 35kV class stepping down to 10.5kV, YNd11 vector group, ONAN cooling, 10% impedance. Built to GB1094.1/2-2013, GB1094.3-2017, GB/T6451-2023 and GB20052-2024, with Grade 1 efficiency and aluminium-winding options available for international projects.