copper busbar benderbus bar fabrication machine
Schematic diagram of installation wiring diagram and secondary wiring
The schematic diagram of the secondary wiring is used to indicate the working principle of the relay protection measuring instrument and automatic device busbar machine suppliers. Usually the secondary wiring and the parts related to the secondary wiring in the primary wiring are drawn together.
On the schematic, all instruments, relays and other electrical The drawing is a drawing drawn according to the schematic diagram. The general situation of the expanded view: on the one hand, it shows the position of the current and voltage transformers connected to the protection and measurement device in the primary system diagram; on the other hand, it shows the expanded view of the protection control loop. The expanded view can be divided into two parts: AC and DC. The AC circuit expansion diagram generally refers to the wiring diagram of the AC current circuit and the AC voltage circuit. The DC circuit expansion diagram refers to the control circuit, protection circuit, signal circuit and other wiring diagrams.
The installation wiring diagram generally includes the layout of the screen (table, box), the rear layout of the screen (table, box), the wiring diagram at the back, and the terminal arrangement. It is the main drawing for manufacturing and installation, and is also the main reference drawing for operation, debugging and maintenance. . The installation wiring diagram is generally drawn by the manufacturer according to the corresponding positions of the components arranged on the development drawing, front and back, and is used for guiding production inspection. At the same time, the order unit is provided with the product, which is the main reference diagram for installation and commissioning. . The terminal arrangement diagram is the wiring diagram of the secondary cable on the screen, which is mainly used by the construction unit and is also the main reference diagram for debugging and maintenance.
The floor plan is a drawing that shows the plane layout of various electrical equipment and lines, and is an important basis for electrical installation. It is also a drawing that our complete electrical equipment factory must refer to. It shows the planar position of various electrical equipment, installation methods and their The drawings of the mutual relationship, so that the manufacturer must consider the way of entering and exiting the line and the production plan of the cabinet during the production process. (That is, whether there is a cabinet attached to the back door)
The closed or open relay; intermediate relay: a relay used to increase the number of signals or amplify the signal; signal relay: a relay used to send a signal or act on the signal system display.
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