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GB 50052-2009 Supply reliability (China) — translation

GB 50052-2009: load categories 1–3, special category 1, independent sources.

🇷🇺 PUE — Rules for Electrical Installations (7th ed.)🕰️ PUE-6 — Rules for Electrical Installations (6th ed., 1985)🇺🇸 NEC — National Electrical Code (NFPA 70)🇪🇺 IEC 60364 / HD 60364 (EU national codes)🌎 NOM-001-SEDE, NBR 5410, AEA 90364, RETIE, NCh 4, CNE🇨🇳 GB 50054, GB 50303, JGJ 16, GB/T 16895 (IEC 60364)🇮🇳 IS 732

Document

DocumentGB 50052-2009 Supply reliability (China)
Edition2009
StatusCurrent (mandatory, GB)
Issued byMOHURD China
Applies toSupply reliability: load categories 1–3, power sources

Document structure

№Chapter / section
3Load categories
4Power sources
5–6Supply schemes, quality
GB 50054-2011 Code for design of low-voltage electrical installationsGB 50303-2015 Acceptance of building electrical worksJGJ 16-2008 Electrical design of civil buildingsGB 50096-2011 Residential design code, section 8GB 50057-2010 Building lightning protection codeGB 51348-2019 Civil buildings electrical design standardGB 50168-2018 Cable line installationGB 50052-2009 Supply reliability (China)GB 50058-2014 Explosive atmospheres (China)

Categories (3)

Category 1 — two independent sources with ATS; special 1 — third source (DG/battery); category 2 — two sources; category 3 — one.

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Data is for reference. Final design decisions must follow current regulations and a qualified engineer.
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