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  • How Do You Build a Transformer with a 99.9% Pass Rate? Inside the 5G Smart Factory

    How Do You Build a Transformer with a 99....

    Introduction Transformer manufacturing has long depended on skilled hands. Winding, core stacking, assembly – every step demands a level of craftsmanship that takes years to develop. That model is changing. A new generation of digital factories is turning craftsmanship into data. One recent examp...
  • One Transformer Doing the Work of Several: How a 770 MVA Flexible DC Transformer Is Solving the Urban Power Supply Dilemma

    One Transformer Doing the Work of Several...

    Introduction In September 2026, a 220 kV / 770 MVA three-phase integrated intelligent water-cooled flexible DC transformer arrived at a construction site in Guangzhou‘s Tianhe District and was successfully positioned. The unit set a new world record for flexible DC transformer capacity, marking a...
  • Transformer Grounding – What Do Working Grounding, Protective Grounding, and Lightning Grounding Actually Do?

    Transformer Grounding – What Do Working G...

    Introduction A transformer involves multiple grounding connections, and each one serves a different purpose. They are often bundled together under the single term “grounding,” but conflating them is a common source of confusion – and sometimes a safety hazard. There are four main types of groundi...
  • Listening to Your Transformer – What Different Sounds Reveal About Its Condition

    Listening to Your Transformer – What Diff...

    Transformers hum when they operate. Is that normal? Most of the time, yes. But when the pitch, volume, or rhythm of that hum changes, it may be sending a signal – something inside the transformer is changing. Experienced operators can detect abnormalities from the sound of a transformer. This is ...
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ABOUT US

pursuit of quality best

JIEZOU POWER, a professional designer, manufacturer and installer of power system solution around the World, was founded in 2021 year, occupies 200,000 square meter.
JIEZOU POWER, mainly manages power grid projects,1000KV EPC,1000KV hydroelectric power plant, 1000KV power substation, etc.
JIEZOU POWER factory can manufacture oil type and dry type distribution transformer,max 1000KV 1000MVA power transformer, GIS,switchgear, substation, based on ANSI/IEEE/DOE2016/CSA/IEC60076 standard .
JEZOU POWER successively obtain IS09001, IS014001, ISO45001, UL, CUL, CSA certificate; SGS, TUV, INTERTEK, TYPE TEST REPORT.
Until 2023 year, worldwide branch companies and factories are distributed in United States, Canada, Dubai, Dominican Republic, Philippines, Serbia, USA, El Salvador,Ecuador,South Africa,Netherlands,Chinese branch factories and companies are in TaiZhou city, Headquarters in Suzhou city
Looking into the future, JIEZOU POWER’s vision is to be the most trusted power system solution provider, solve the World’s most urgent power management challenges, accelerate the planet’s transition to renewable energy.So that everyone can have a more low-carbon and bright life. To this end, we will do our utmost to make efforts.

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