国产成人综合在线观看,一本一道波多野结衣一区二区,影音先锋人妻啪啪AV资源网站 ,蜜臀av午夜精品福利,明星性猛交ⅹxxx乱大交,伊人久久大香线蕉午夜av ,综合久久青青草免费观看视频,精国产品一区二区三区a片
Price composition of electrical equipment
font size:SmallMiddleBig

Price composition of electrical equipment

1、Primary and secondary components price;

2、The price of auxiliary materials, including: secondary wire, terminal, wire nose, wire clip, bobbin, number tube, character code, cable tie, standard parts, etc.;

3、The price of the busbar, the amount of the busbar is budgeted according to the one-time plan diagram;

4、The shell price should be quoted by the dedicated shell manufacturer according to the one-time plan; box-type substations and non-standard boxes (cabinets) are calculated according to the size of the box.

5、Packaging and shipping costs;

6、Comprehensive expenses of the enterprise, including management fees, labor wages, taxes and profits, etc.;

7、Wanshang Power tells you the quotation process and matters needing attention

1、Digest the drawings:

According to the drawings provided by the user, first check the catalog of drawings, and then assign and classify them. Understand the design intent of the project in accordance with the design instructions and technical requirements of the drawings (if there are bidding documents, the technical requirements of the bidding documents), consider the price required for the calculation of the variable scheme, and pay attention to the floor plan (floor plan The above reflects whether there is a busbar bridge and the length of the busbar bridge between the cabinets).

2、Related Notes:

①、As far as high-voltage cabinets are concerned, in order to meet the five-proof requirements, the incoming cabinet needs to be equipped with a live display (mandatory type: DXN-10, 24/35Q) and an electromagnetic lock, and the outgoing cabinet needs to be equipped with a live display (prompt type: DXN-10/35T ) and grounding switch interlocking device.

②、When the two-way power supply is in, consider the self-switching device, and consider the electrical and mechanical interlocking device (three-in-two) between the two-way power supply and the bus tie.

③、Sulfur hexafluoride ring main unit and KYN28-12 central cabinet generally need to be equipped with temperature and humidity controller and heater.

④、If the interphase and interphase-to-ground distances cannot meet the electrification requirements, busbar vulcanization treatment or special-shaped busbars or heat-shrinkable sleeves for busbar sleeves should be used, and the joints should also be covered with an insulating cover.





Updated:2022-07-02 | Back to list
WeChat
WeChat
主站蜘蛛池模板: 欧美丰满熟妇多毛xxxxx| 3Pav图| 印度AV免费观看| 美女黄色网| 亚洲大成色www永久网站 | 康马县| 中文字幕亚洲有码| 波多野吉衣av| 各种少妇正面bbw撒尿| 3?p在线| 久久中文字幕av| 人妻人人做人做人人爱| 亚洲熟妇中文字幕五十中出| 国产成人一区二区三区A片免费| 毛片偷拍足浴技师www| 久久国产精品99国产精| 亚洲国产精彩中文乱码av| 国产,精品,无码,丝袜| 亚洲图片另类图片激情动图| 精品亚洲国产成人av| 欧美日本日韩aⅴ在线视频| av尤物在线| 国产欧美日韩久久久久 | 日韩中文一区二区| 色吊丝av中文字幕| 冷水江市| 岳乳丰满一区二区三区| 中国老妇女毛茸茸bbwbabes| 日本道精品一区二区三区| 久久99精品视频| 久久婷婷六月综合色液啪| 精品一区二区三区在线成人| 亚洲AV熟女| 色综合天天综合高清网国产在线| 国产大屁股视频免费区| 99中文精品7| 林周县| 制服丝袜人妻| 无码午夜福利视频一区| 富顺县| 亚洲自拍偷拍一区|