News

Transformer Ageing: The Countdown Clock I...
26-09-16
Introduction How long can a transformer last? Many assume it is the core or the windings that determine its lifespan – but what really decides a transformer‘s life is the insulation paper. A transformer is typically designed for 30 to 40 years of service. Yet the same equipment may still be healt...
Transformer Temperature Rise Limits: Why ...
26-09-15
Introduction On the same 40°C summer day, two transformers operate side by side. One has a winding temperature of 75°C; the other reads 95°C. Are they both “normal”? Ambient temperature alone cannot answer that question. What determines whether a transformer operates safely is not the ambient tem...
What Are Transformer “Polarity Terminals”...
26-09-14
Introduction Transformer nameplates typically do not mark the polarity terminals of the windings. Yet anyone involved in transformer testing, installation, or parallel operation must understand this concept. Polarity terminals determine whether transformers can be paralleled correctly, whether in...
Transformer Short-Circuit Current: Why Is...
26-09-07
How severe is a transformer short circuit? If a transformer has a rated current of 1,000 amperes and a three‑phase short circuit occurs on the low‑voltage side, the short‑circuit current can instantly reach 10,000 to 25,000 amperes – 10 to 25 times the normal operating current. That number alone ...

ABOUT US

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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.