The standard distribution type smart substation project is a key technical project of the State Grid Corporation and is jointly undertaken by 12 companies. Among them, the Zhejiang Provincial Electric Power Design Institute mainly undertakes the “Standard Delivery Intelligent Substation Construction Technical Guidelines†and the preparation of typical design schemes for prefabricated buildings.
Based on safe and reasonable performance indicators, concise and smooth architectural style, and energy-saving and environmentally-friendly material selection, based on the requirements of standard distribution-type smart substation construction, the functional positioning and configuration requirements are clearly defined. The hospital proposes a typical scheme for standardized design and effectively improves the safety of substation construction. , high quality, high efficiency, energy saving, environmental protection and other indicators.
The main technical principles of standard distribution smart substation include:
Standardized design. In the design process, general design and general equipment are applied. In accordance with the principle of two types, the functional positioning of the technology of smart substations and industrialized facilities is highlighted, and the standard distribution type intelligent substation program design for the depth of construction drawings is completed. On this basis, further standardization of prefabricated buildings (buildings), standardized wiring of optical cables, and full implementation of equipment types, circuit wiring, and civil engineering design standards.
Factory processing. For the standardization of manufacturing bases, components, etc., the use of prefabricated assembly structure models, factory production, on-site assembly, reduce on-site wet operations. According to the electrical function unit, the container type design and assembly purchase are realized. The factory integration debugging reduces the on-site debugging workload. The primary and secondary common equipment standardization interfaces are used to customize the standardized connection components between the primary equipment and the secondary equipment and the secondary equipment to simplify the on-site secondary wiring and achieve plug-and-play.
Mechanized construction. Uniform base dimensions, using standard steel molds to cast concrete. Promote field-prepared building structures. Simplify the process, unify the process standards, and improve the level of construction technology. Improve the scope of application of mechanized construction, reduce on-site labor input, reduce site safety risks, and improve project quality.
Assembly construction. Based on the design results of standard distribution-type smart substations, the standard assembly of main components of electrical equipment and structures is realized, which effectively improves the construction drawing design and is restricted by equipment procurement, construction and installation are restricted by construction drawings, and further improves the quality and efficiency of smart substation construction. .
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