Basic structure of low voltage switchgear
2016-08-04
There are many kinds of low-voltage switchgear, the structure difference is big, among them, the structure of drawing out type low voltage switch cabinet is the most complicated.
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Low voltage switchgear assemblies are described as follows:
(1) a part of the low-voltage switchgear assemblies for transport units, which do not need to be dismantled for transport.
(2) one of the structural units of the two vertical decomposition surfaces in the low-voltage switchgear unit of the cabinet.
(3) a construction unit between two level interface continuous frame unit the same units within the framework of the.
(4) a component of a functional unit of low voltage switchgear assemblies, including all main and auxiliary circuit components that are capable of completing a particular function.
(5) a functional unit in which the feed line unit feeds the power to a complete set of switching devices.
(6) the outlet unit is capable of delivering power to one or more of the functional units of the outlet circuit.
(7) a combination of several functional units which are connected to each other in a functional group for the completion of certain functions.
(8) a frame unit or cabinet with a baffle plate to design and equip a cabinet frame or frame unit equipped with a baffle, which is designed and equipped with a baffle, which is designed and equipped with a baffle.
(9) all the conductive loops of the main circuit to transmit electrical energy.
(10) all control, measurement, signal, and control circuits within the main circuit of the auxiliary circuit.
(11) the level of bus runs through the withdrawable switchgear. The level of the placement of the main bus.
(12) the vertical bus installed vertically in a cabinet. The level of bus power distribution to the conductor of each function unit.
(13) branch line in a cabinet. The conductor will each functional unit are respectively connected to the level of the bus or vertical bus.
(14) the busbar system is composed of the bus bar and the connecting piece and the insulation support.
(15) fixed parts are designed to be installed on a common support to complete the assembly and wiring of electrical equipment, a component.
(16) components that can remove or replace the parts from a low voltage switchgear. The main circuit is not an exception.
(17) a movable part of a low voltage switchgear assembly which can be drawn out to move to make the separated contacts form an isolated fracture or separation, but with the outer casing to be mechanically connected.
(18) the connection position is also called the working position or the connecting position. It is a position that can move the part or take part in the complete connection.
(19) a position of the experimental position can be drawn out of the part, so that the main circuit is formed to isolate the fracture surface or partition, and the auxiliary circuit is switched on.
(20) the location of the disconnection is also called the separation position. It is a position of the spare parts, which makes the main circuit to form an isolated fracture or separation, and the spare parts can be kept in mechanical contact with the outer shell.
(21) a position where the part can be moved away from the mechanical contact and the electrical connection of the outer casing of the low voltage switchgear.
(22) the components of a low-voltage switchgear assembly, except for the electrical connection, control, ventilation, or the need to open a hole in the partition plate. All compartments are closed or separated from each other.
(23) a metal plate or an insulating plate of the grounding of the busbar compartment is closed for installing a horizontal bus or a vertical bus bar.
(24) a metal plate or an insulating plate, which is used for installing the space of the functional unit, is closed by a grounding metal plate or an insulating plate of the unit compartment.
(25) a metal plate or an insulating panel of the grounding of the cable compartment to be closed for the laying of the cable.
(26) a metal plate or an insulating panel of the grounding of the outlet terminal compartment for connecting the space of the cable.
(27) mounting plate for supporting a variety of elements and suitable for mounting in a complete set of switching devices.
(28) a frame for supporting various components and suitable for mounting in a switchgear assembly.
(29) part of the shell of low voltage switchgear. The protection grade of the provisions. It can protect the internal equipment from outside influence. To prevent the human body and the objects close to the live parts or touch the moving part.
(30) a framework for supporting a variety of components and housings in a switchgear assembly.
(31) a component on the shell.
(32) a door with a hinged or sliding cover.
(33) the removable plate used to cover a cover plate opening on the casing, when some operation or maintenance can be removed.
(34) a part of a baffle used for local protection from the direct contact of each direction of the entrance and from the arc of the switch device.
(35) a barrier to prevent direct contact with the unconscious, but can not prevent intentional contact.
.
Low voltage switchgear assemblies are described as follows:
(1) a part of the low-voltage switchgear assemblies for transport units, which do not need to be dismantled for transport.
(2) one of the structural units of the two vertical decomposition surfaces in the low-voltage switchgear unit of the cabinet.
(3) a construction unit between two level interface continuous frame unit the same units within the framework of the.
(4) a component of a functional unit of low voltage switchgear assemblies, including all main and auxiliary circuit components that are capable of completing a particular function.
(5) a functional unit in which the feed line unit feeds the power to a complete set of switching devices.
(6) the outlet unit is capable of delivering power to one or more of the functional units of the outlet circuit.
(7) a combination of several functional units which are connected to each other in a functional group for the completion of certain functions.
(8) a frame unit or cabinet with a baffle plate to design and equip a cabinet frame or frame unit equipped with a baffle, which is designed and equipped with a baffle, which is designed and equipped with a baffle.
(9) all the conductive loops of the main circuit to transmit electrical energy.
(10) all control, measurement, signal, and control circuits within the main circuit of the auxiliary circuit.
(11) the level of bus runs through the withdrawable switchgear. The level of the placement of the main bus.
(12) the vertical bus installed vertically in a cabinet. The level of bus power distribution to the conductor of each function unit.
(13) branch line in a cabinet. The conductor will each functional unit are respectively connected to the level of the bus or vertical bus.
(14) the busbar system is composed of the bus bar and the connecting piece and the insulation support.
(15) fixed parts are designed to be installed on a common support to complete the assembly and wiring of electrical equipment, a component.
(16) components that can remove or replace the parts from a low voltage switchgear. The main circuit is not an exception.
(17) a movable part of a low voltage switchgear assembly which can be drawn out to move to make the separated contacts form an isolated fracture or separation, but with the outer casing to be mechanically connected.
(18) the connection position is also called the working position or the connecting position. It is a position that can move the part or take part in the complete connection.
(19) a position of the experimental position can be drawn out of the part, so that the main circuit is formed to isolate the fracture surface or partition, and the auxiliary circuit is switched on.
(20) the location of the disconnection is also called the separation position. It is a position of the spare parts, which makes the main circuit to form an isolated fracture or separation, and the spare parts can be kept in mechanical contact with the outer shell.
(21) a position where the part can be moved away from the mechanical contact and the electrical connection of the outer casing of the low voltage switchgear.
(22) the components of a low-voltage switchgear assembly, except for the electrical connection, control, ventilation, or the need to open a hole in the partition plate. All compartments are closed or separated from each other.
(23) a metal plate or an insulating plate of the grounding of the busbar compartment is closed for installing a horizontal bus or a vertical bus bar.
(24) a metal plate or an insulating plate, which is used for installing the space of the functional unit, is closed by a grounding metal plate or an insulating plate of the unit compartment.
(25) a metal plate or an insulating panel of the grounding of the cable compartment to be closed for the laying of the cable.
(26) a metal plate or an insulating panel of the grounding of the outlet terminal compartment for connecting the space of the cable.
(27) mounting plate for supporting a variety of elements and suitable for mounting in a complete set of switching devices.
(28) a frame for supporting various components and suitable for mounting in a switchgear assembly.
(29) part of the shell of low voltage switchgear. The protection grade of the provisions. It can protect the internal equipment from outside influence. To prevent the human body and the objects close to the live parts or touch the moving part.
(30) a framework for supporting a variety of components and housings in a switchgear assembly.
(31) a component on the shell.
(32) a door with a hinged or sliding cover.
(33) the removable plate used to cover a cover plate opening on the casing, when some operation or maintenance can be removed.
(34) a part of a baffle used for local protection from the direct contact of each direction of the entrance and from the arc of the switch device.
(35) a barrier to prevent direct contact with the unconscious, but can not prevent intentional contact.
