电气盘柜及二次接线-英文翻译.doc

Page 1 of 8 TECHNICAL SPECIFICATIONS FOR CONSTRUCTION OF PANEL CABINET AND SECONDARY CIRCUIT 1TECHNICAL SPECIFICATION OF CONSTRUCTION 1 1Installation Construction Condition The adopted material component and equipment shall be all conform to design requirement and the national standard equipment shall have normal nameplate and certificate of product quality The design document and other technical documents are complete Construction drawings have been jointly checked up technique clarification and necessary technical training shall have been accomplished The quality of building and structure relating to installation of panel cabinet and secondary circuit shall conform to relevant national existing stipulations about Architecture Engineering Construction and Acceptance Code In case there are special requirements for equipment and design it shall also be met The roof and floor shall not have leakage after construction Indoor floor work shall be completed Embedded part and preformed hole shall conform to design and the embedded part shall be firmly fastened The decorative work that may damage the installed equipment or couldn t be carried through after installation of equipment shall be completed 1 2General Specification The label color of mimic bus on panel and cabinet shall meet the regulations of following table Label Color of Mimic Bus Voltage kV Color AC 0 23Dark gray AC 0 40Yellow brown AC 3Dark green AC 6 Dark blue AC 10 Deep red AC 13 8 20 Light green AC 35 Light yellow AC 60 Orange AC 110 Vermeil AC 154 Shamrock AC 220 Purple AC 330 White AC 500Light yellow DC Brown DC 500Dark purple Note 1 Width of mimic bus is 6 12 mm 2 Color of equipment shall be as same as the bus with same voltage 3 This table is inapplicable to light current and graphic screen After installation and adjustment light current equipment shall be prevented from damage when doing insulated test of small wiring The preformed hole and cable nozzle in building shall be blocked The construction check and acceptance of panel and cabinet shall be implemented according to this specification and shall still conform to relevant existing national code and standard 1 3Installation of Panel and Cabinet 1 3 1 1 3 2Installation of foundation shaped steel shall conform to following requirements Allowable DeviationItem Mm mm total length Nonstraightness 1 5 Levelness 1 5 Position Error and Nonparallelism 5 1 3 3After installation of foundation shaped steel its top shall be 10mm higher than floating ground packaged cabinet of handcart type shall be executed according to the technical requirements of product Foundation shaped steel shall have obvious and reliable grounding The main control panel relay protecting panel and automatic installation panel are not suitable for welding firmly with foundation shaped steel 1 3 4When panel and cabinet installed separately or in line the verticality horizontal deviation deviation of panel and cabinet surface and allowable deviation of the joint between panel and cabinet shall conform to stipulations of following table Item Allowable Deviation mm Verticality per meter 1 5 Tops of Tow Neighboring Panels 2 Horizontal deviation Top of Row Panel 5 Cabinet Surface Deviation Edges of Two Neighboring Panels 1 Surface of Row Panel 5 Joint between Panels 2 1 4Installation of Electrical Apparatus on Panel and Cabinet 1 4 1 1 4 2Each electrical apparatus shall be able to be dismantled and changed separately and without impacting the fastness of other equipment and lead bundle Heating element shall be installed at the area in good heat emission condition The joint wire between two heating elements shall adopt heat resistance lead or bare copper line covered with porcelain tube 1 4 3The contact of switch clamping plate shall be in good condition and enough safe distance shall be provided between neighboring clamping plates and shall not contact the neighboring clamping plate when switching As to switch clamping plate with one end electrified the active end shall be without electricity at cut off condition of the plate 1 4 4Terminal shall have serial number and terminals strip shall be easy for replacement and connection the height from ground ought to be larger than 350mm 1 4 5As to loop voltage larger than 400v the terminal strip shall have sufficient insulation and painted in red 1 4 6The connector of secondary circuit shall adopt copper product the insulation component shall apply self extinguished fire retardant materials 1 4 7Between two conductors conductor and bare non electricity conductor inside panel and cabinet following requirements shall be observed Allowable Minimum Electric Clearance and Creepage Distance mm Electric ClearanceCreepage Distance Rated Working CurrentRated Working Current Rated Voltage v 63 A 63 A 63 A 63 A 60 3 05 03 05 0 60 V 3005 06 06 08 0 300 V 5008 010 010 012 0 1 4 8The electric clearance between bare current loading parts of different phases or pole and small bus bar on the top of board and between bare current loading part and un insulated metal parts shall not be less than 12mm the creepage distance shall not be less than 20mm As to drawer type cabinet and handcart it shall check whether pushpull of them are flexible and whether receptacle plug and joint of primary circuit and secondary circuit are in good condition and whether the same drawers and handcarts can be interchanged 1 5Wiring of Secondary Circuit 1 5 1The ends of cable core and lead shall have normal circuit numbers which shall be correct and clear It is suitable to have one connecting wire at each side of each terminal but not more than two lines As to insert type terminal two lead with different section shall not be connected at one terminal as to bolt connecting terminal flat washer shall be added in the middle while connecting two leads 1 5 2The current loop within panel and cabinet shall adopt copper core insulated lead with voltage not less than 500v and not less than 2 5 mm 2 for its section the section of other loop shall not be less than 1 5 mm2 as to electric component loop and light current loop which adopting soldering connection in case of meeting the requirement of flux voltage drop and mechanical strength insulating lead with section not less than 0 5 mm 2 can be applied 1 5 3The heavy and light current loops shall not use one same cable but shall be separately arranged in bundle 1 5 4Oil endurable insulating lead shall be applied in oil pollution circumstance Rubber or plastic insulating lead shall be protected in case of being exposed in direct sun shining 1 6Delivery Check and Acceptance 1 6 1Electrical component contained in panel and cabinet shall be all complete and in good condition with correct installation position and firmly fastened 1 6 2Connection wires of all secondary circuits shall be correct and reliable with complete and clear labels and the insulating shall accord with the requirement 1 6 3Check and acceptance of installation quality of primary equipment inside cabinet shall conform to relevant national existing code and standard 1 6 4The panel and cabinet used in tropic area shall be moisture proof fungal resistance and heat resistance and the check and acceptance of it shall accord with the requirement of existing national standard of General Techniques of Electrical Product in Tropic Zone 1 6 5After inst