American-Style Substation for Jimo Weiyu 200MW PV Plant

American-Style Substation for Jimo Weiyu 200MW PV Plant

 Project Background & Client Requirements

Development and Challenges of the PV Industry in Jimo Region: The Jimo region boasts abundant solar resources, making it an ideal area for PV plant construction. Unlike traditional indoor substations, PV plants are typically located outdoors, potentially facing environments with salinity, humidity, and other harsh conditions. This places stricter demands on the pad-mounted transformers, the core equipment for power conversion and distribution in the plant: they require extremely strong environmental adaptability, protective features, and long-term operational reliability.

Product Value

Dimension

Solution

Key Parameters

Client Value

Land Revolution

Dual-Split Winding Transformer

・2.4MW coverage (vs 1.2MW conventional)
・IP55 rating 
・Top-installed (2.1㎡ footprint)

Saved 53 acres
→ +¥8.6M/year aquaculture income

Salt Fog Killer

Titanium Alloy Coating

・15,000h salt spray zero corrosion 
・Epoxy bushing (salt tolerance >25%)

Lifespan 5yr→25yr
Maintenance ↓70%

Smart O&M

PV-DTU System

・String-level monitoring (±0.5%)
・Tidal algorithm (auto O&M window)
・Drone charging dock

Repair time ↓ to 4hrs
Generation loss ↓89%

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