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Industry News
How Solar EPCs Specify Step-Up Transformers for 100MW+ PV Plants: Vector Group, Impedance Voltage, and Neutral Grounding Resistor Compliance
2026-08-07
A procurement-side guide for solar EPC teams specifying step-up transformers for utility-scale PV plants, covering vector group selection, impedance voltage coordination with inverters, and IEEE ...
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SF6-Free GIS vs AIS vs Conventional GIS: Green Building Comparison
2026-08-06
Footprint, O&M cost, and disposal compared for European green building MV switchgear projects.
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Mobile Substation vs Fixed Substation: Deployment & Lifecycle Cost
2026-08-05
Engineering comparison of mobile and fixed substations for emergency power and grid expansion.
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Oil-Immersed vs Dry-Type Power Transformers: Fire Risk, Maintenance Cycles, and Total Cost of Ownership for Indoor and Underground Substations
2026-08-04
For utility and infrastructure substations holding oil-immersed or dry-type power transformer units, the engineering-correct selection depends on installation environment and load utilization
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