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Code for design of power supply and distribution system (GB 50052-2016) pdf

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Brief introduction: This specification is compiled by the Ministry of mechanical industry in accordance with the notice requirements of Jizong (1986) No. 250 issued by the State Planning Commission. Specifically, the second design and Research Institute of the Ministry of mechanical industry and relevant units jointly revised the code for design of industrial and civil power supply systems (gbj152-83).
In the process of revision, the standard group carried out extensive investigation and research, conscientiously summarized the experience since the implementation of the specification, absorbed some scientific research achievements, and extensively solicited opinions from all relevant units in the country. Finally, the draft was reviewed and finalized by the Ministry in conjunction with the relevant departments.
The main contents of this revision are as follows: the power supply requirements of particularly important loads are added in the load classification; In the content of ensuring power quality, the measures to limit voltage fluctuation and flicker, control the abnormal rate of grid voltage sinusoidal waveform caused by harmonics and reduce the asymmetry degree of three-phase low-voltage distribution system are newly formulated; It is suggested that reverse voltage regulation should be selected for on load voltage regulation of power grid above 35kV, some reactive load should be compensated separately on site, and three-phase distribution transformer with D, yn 11 connection group should be selected.
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Code for design of power supply and distribution system (GB 50052-2016)
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