Home › Standards › GB 50052-2009 › 第3.0.5条

GB 50052-2009 第3.0.5条 Code for Design of Power Supply and Distribution Systems

Voltage selection and power quality电气工程

GB 50052-2009 第3.0.5条

| Three-phase voltage unbalance: the negative-sequence voltage unbalance at the point of common coupling shall be ≤2%, with a short-time (≤1 min) allowance of ≤4%.

Other clauses of this standard

GB 50052-2009 第1.0.3条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第1.0.4条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第1.0.5条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第1.0.6条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第1.0.7条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第1.0.8条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第2.0.1条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第2.0.2条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第2.0.3条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第2.0.4条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第2.0.5条Code for Design of Power Supply and Distribution Systems
GB 50052-2009 第2.0.6条Code for Design of Power Supply and Distribution Systems

Still have a specific question? Ask a MEP expert

12 hotel MEP experts online, answers cite standard clauses you can verify.

Ask free →

Engineering reference only — verify against project conditions and the latest codes.