CN103746324A

CN103746324A - U-type commutation common bus

Info

Publication number: CN103746324A
Application number: CN201310563203.7A
Authority: CN
Inventors: 付二寅; 王绍辉; 刘锋; 朱科; 唐晓
Original assignee: Henan Pinggao Toshiba High Voltage Switchgear Co Ltd
Current assignee: Henan Pinggao Toshiba High Voltage Switchgear Co Ltd
Priority date: 2013-11-14
Filing date: 2013-11-14
Publication date: 2014-04-23
Anticipated expiration: 2033-11-14
Also published as: CN103746324B

Abstract

The invention discloses a U-type commutation common bus, comprising a U-type shell and three phase conductors. The three phase conductors are arranged in the shell. A plurality of conductors are utilized. Bolts and a plug-in type connection mode are adopted. The three phase conductors are connected to form the U-type bus, wherein part of the conductors adopts a one-piece structure that phase sequences of two end surfaces of each conductor anticlockwise differs by 30 degrees to achieve an object that phase sequences of two end surfaces of the bus are that same. In addition, the bolts and a plug-in type connection structure are detachable, the installation is convenient, and time and labor are saved.

Description

A kind of U-shaped commutation common box bus

Technical field

The present invention relates to GIS application technology or power transmission technology field, relate in particular to a kind of U-shaped commutation common box bus.

Background technology

In GIS projects design process, the common female connection type of employing list, Fig. 1 (a) is situation one: segmentation is every position, DS/ES is only installed, GCB and CT are extension project T, need to use U-shaped structure bus U to connect two DS/ES of place outlets, for example,

export terminals

1,2; Situation two: sometimes according to electrical configurations needs, DS/ES is only installed, as shown in Fig. 1 (b), needs to use U-shaped structure bus U to connect two DS/ES of place outlets,

export terminals

3,4; Situation three: arrange needs according to room, indivedual feeder clearances need as shown in Fig. 1 (c), also need to use U-shaped structure bus U to adjust interval outlet direction from the opposite side outlet of main bus bar, export terminals 5.

Also there are two female connection types in the design of GIS projects, as shown in Figure 2, and common feeder clearance shown in Fig. 2 (a), I bus is installed DS, the female DS/ES that installs of II, and GCB and CT are extension project T, need to use U-shaped structure bus U to connect DS and DS/ES outlet,

export terminals

1,2; Fig. 2 (b) is depicted as typical mother every position, the female DS/ES that installs of I, and the female DS/ES that installs of II, GCB and CT are extension project T, need to use U-shaped structure bus U to connect two DS/ES of place outlets,

export terminals

3,4; As shown in Fig. 2 (c), according to electrical configurations needs, mother is only installed DS/ES every position, needs to use U-shaped structure bus U to connect two DS/ES of place outlets,

exports terminals

5,6, thereby can save expensive GCB, very convenient.

Above-mentioned many places all need to adopt U-shaped structure bus U, but in Practical Project, the use location of U-shaped structure bus U is not limited only to the situation shown in Fig. 1 and Fig. 2.Because the physics docking of product need to meet the identical standard of docking port phase sequence,

example outlet terminals

1,2,3,4,5 places are as shown in Figure 1 identical with the phase sequence at

outlet terminals

1,2,3,4,5,6 places shown in Fig. 2, so, conventionally use at present two L-type buses to connect two DS/ES of place outlets, L-type bus not only cost is higher, and on-the-spot trouble, waste of manpower, material resources, the financial resources of installing.

Summary of the invention

The object of this invention is to provide a kind of U-shaped commutation common box bus, make bus outlet terminals phase sequence identical, meet physics docking requirement, meanwhile, installation, convenient disassembly, cost is lower, saves financial resources, material resources.

The technical solution used in the present invention is:

A kind of U-shaped commutation common box bus, comprise U-shaped housing and three-phase conductor, three-phase conductor is located in housing, first-phase conductor comprises the first conductor, the first end phase sequence of the first conductor and the second end phase sequence differ 30 ° counterclockwise, the first end of the first conductor is parallel with the first end face of U-shaped housing, the second end of the first conductor is by the vertical first end that connects the second conductor of bolt, the second end of the second conductor is taken advantage of a situation and is connected the first end of the 3rd conductor by plug-in type, the second end of the 3rd conductor connects the first end of L-type the 4th conductor by plug-in type, the first end of the 4th conductor and the second end phase sequence differ 30 ° counterclockwise, the second end of the 4th conductor is parallel with the second end face of U-shaped housing, second-phase conductor comprises the 5th conductor, the first end phase sequence of the 5th conductor and the second end phase sequence differ 30 ° counterclockwise, the first end of the 5th conductor is parallel with the first end face of U-shaped housing, the 5th conductor is provided with a semi-circular recesses, the second end of the 5th conductor is by the vertical first end that connects the 6th conductor of bolt, the second end of the 6th conductor is taken advantage of a situation and is connected the first end of the 7th conductor by plug-in type, the second end of the 7th conductor connects the first end of L-type the 8th conductor by plug-in type, the first end of the 8th conductor and the second end phase sequence differ 30 ° counterclockwise, the second end of the 8th conductor is parallel with the second end face of U-shaped housing, third phase conductor comprises the 9th conductor, the tenth conductor, 11 conductors, 12 conductors, the 9th conductor structure and the 5th conductor structure are symmetrical, the tenth conductor is identical with the 6th conductor structure, and 11 conductors are identical with the 7th conductor structure, and 12 conductors are identical with the 8th conductor structure, wherein, the second conductor passes through the concave part of the 9th conductor and the 5th conductor.

The second end of the second end of the second end of the second end of the second end of the second described conductor, the 3rd conductor, the 6th conductor, the 7th conductor, the tenth conductor, the second end of 11 conductors are equipped with contact.

The first end of the 3rd described conductor, the first end of the 4th conductor, the first end of the 7th conductor, the first end of the first end of the 8th conductor, 11 conductors are, the first end of 12 conductors is equipped with fingertip.

The first described conductor adopts two conductors to be welded, and two conductor phase sequences differ 30 ° counterclockwise.

The 4th described conductor, the 5th conductor, the 8th conductor, the 9th conductor, 12 conductor phase sequence structures are identical with the first conductor.

The present invention utilizes a plurality of conductors, the mode that adopts bolt to be connected with plug-in type, is connected to U-shaped bus by three-phase conductor, wherein, segment conductor adopts conductor both ends of the surface phase sequence to differ counterclockwise the integrated formed structure of 30 °, reaches the identical object of bus both ends of the surface phase sequence; Meanwhile, bolt and plug-in connection are detachable, and convenient installation is time saving and energy saving.

Accompanying drawing explanation

Fig. 1 is that U-shaped structure bus schematic diagram is used in single female wiring;

Fig. 2 is that U-shaped structure bus schematic diagram is used in two female wiring;

Fig. 3 is front view of the present invention;

Fig. 4 is left view of the present invention;

Fig. 5 is right view of the present invention;

Fig. 6 is vertical view of the present invention;

Fig. 7 is Phase-Sequence Transformation schematic diagram of the present invention;

Fig. 8 is the present invention the second conductor placement figure;

Fig. 9 is plug-in type connection diagram of the present invention;

Figure 10 is that minute surface is related to lexical or textual analysis figure.

Embodiment

As Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, the present invention includes U-shaped housing 13 and A, B, C three-phase conductor, three-phase conductor is located in housing, first-phase conductor B comprises the first conductor 1, the first end phase sequence of the first conductor 1 and the second end phase sequence differ 30 ° counterclockwise, the first conductor adopts two conductors to be welded, wherein, the solder side phase sequence of two conductors of weld part differs 30 ° counterclockwise, the first end of the first conductor 1 is parallel with the first end face of U-shaped housing 13, the second end of the first conductor is by the vertical first end that connects the second conductor 2 of bolt, the second end of the second conductor 2 is taken advantage of a situation and is connected the first end of the 3rd conductor 3 by plug-in type, the second end of the 3rd conductor 3 connects the first end of L-type the 4th conductor 4 by plug-in type, the first end of the 4th conductor 4 and the second end phase sequence differ 30 ° counterclockwise, the second end of the 4th conductor 4 is parallel with the second end face of U-shaped housing 13, second-phase conductor A comprises the 5th conductor 5, the first end phase sequence of the 5th conductor 5 and the second end phase sequence differ 30 ° counterclockwise, the first end of the 5th conductor 5 is parallel with the first end face of U-shaped housing 13, the 5th conductor 5 is provided with a semi-circular recesses, the second end of the 5th conductor 5 is by the vertical first end that connects the 6th conductor 6 of bolt, the 6th conductor 6 second ends are taken advantage of a situation and are connected the first end of the 7th conductor 7 by plug-in type, the second end of the 7th conductor 7 connects the first end of L-type the 8th conductor 8 by plug-in type, the first end of the 8th conductor 8 and the second end phase sequence differ 30 ° counterclockwise, the second end of the 8th conductor 8 is parallel with the second end face of U-shaped housing 13, third phase conductor C comprises the 9th conductor 9, the

tenth conductor

10,11

conductor

11,12 conductors 12, the 9th conductor 9 structures and the 5th conductor 5 symmetrical configuration, the tenth conductor 10 is identical with the 6th conductor 6 structures, 11 conductors 11 are identical with the 7th conductor 7 structures, and 12 conductors 12 are identical with the 8th conductor 8 structures, wherein, the second conductor 2 is through the whole hole of the concave part amalgamation of the 9th conductor 9 and the 5th conductor 5.Wherein, the second end of the second end of the second end of the second end of the second end of the second end of the second conductor 2, the 3rd conductor 3, the 6th conductor 6, the 7th conductor 7, the

tenth conductor

10,11 conductors 11 be equipped with the first end of the 3rd conductor 3 of contact 14 correspondences, the first end of the first end of the 4th conductor 4, the 7th conductor 7, the first end of the first end of the

8th conductor

8,11 conductors 11, the first end of 12 conductors 12 is equipped with fingertip 15, this mode is that plug-in type connects.Wherein, the second conductor 2, the 5th conductor 5, the 8th conductor 8, the

9th conductor

9,12 conductor 12 phase sequence structures are identical with the first conductor.

The U-shaped commutation common box bus of the present invention Phase-Sequence Transformation schematic diagram, as shown in Figure 7, wherein, D is U-shaped commutation common box bus upper surface view in Fig. 3 to phase sequence, E is U-shaped commutation common box bus lower surface view in Fig. 3 to phase sequence; D is identical to phase sequence with E to phase sequence, shown in Fig. 3 and Fig. 7, from D to Phase-Sequence Transformation to H-H phase sequence, utilize the first conductor 1, the 5th conductor 5, the inner special construction of the 9th conductor 9, for example the first conductor 1, adopts two conductors to be welded, wherein, after welding, the second end of the first conductor 1 is rotated counterclockwise 30 ° with respect to first end, and the 5th conductor 5 and the 9th conductor 9 are same, is equivalent to that three-phase conductor is reversed to 30 ° counterclockwise simultaneously and reaches H-H phase sequence; From H-H Phase-Sequence Transformation to J-J phase sequence, utilize the second conductor 2, the 5th conductor 5, the 9th conductor 9 to carry out space and pass through, the second conductor 2 passes in the middle of the 5th conductor 5, the 9th conductor 9, as shown in Figure 6 and Figure 8; Next from J-J Phase-Sequence Transformation to K-K phase sequence, utilize the 3rd conductor 3, the

7th conductor

7,11 conductors 11 nature of taking advantage of a situation to be arranged in parallel; And from K-K Phase-Sequence Transformation to L-L phase sequence, utilize the 4th conductor 4, the

8th conductor

8,12 conductor 12 three-phases to be rotated counterclockwise 30 ° simultaneously; In conjunction with Fig. 3 and Fig. 7, can find out that L-L phase sequence and E are to phase sequence minute surface relation each other, be that L-L phase sequence and E have all expressed the U-shaped structure bus phase sequence of outlet below to phase sequence, from Fig. 7, obviously can find out that E is identical to phase sequence with D to phase sequence, thereby it is identical to realize U-shaped structure bus two outlet phase sequences, meets product docking requirement.

Wherein, in the present invention, phase sequence refers to: in three-phase combined type transmission of electricity bus, and the physical spatial location relation of A, B, C three-phase conductor, as shown in Figure 7, the relative tertiary location relation of the A that common box bus cross section presents, B, C three-phase.Minute surface relation refers to: the phase sequence of a three-phase combined type equipment somewhere section can be expressed as shown in Figure 10 (a) while seeing from left to right, and phase sequence while seeing from right to left can be expressed as shown in Figure 10 (b), Figure 10 (a) and Figure 10 (b) have all expressed the phase sequence of same three-phase combined type equipment somewhere section in fact, and now we claim the minute surface relation each other of phase sequence shown in phase sequence shown in Figure 10 (a) and Figure 10 (b).

A in three-phase non-segregated bus, B, in general C three-phase conductor is all to take advantage of a situation to be arranged in parallel in physical space, even commutation be also three-phase simultaneously clockwise or be rotated counterclockwise a certain angle, and in Fig. 7 during from H-H Phase-Sequence Transformation to J-J phase sequence, identical for realizing on the whole U-shaped structure bus two exit phase sequences, and do not increase bus diameter of the housing as far as possible, reduce costs, make the second conductor 2 from the 5th conductor 5, the whole hole of the concave part amalgamation of the 9th conductor 9 is passed, now by the reduced of the second conductor 2, and because the length of the first conductor 1 is less than the length of the 5th conductor 5 and the 9th conductor 9, the outer wall of U-shaped housing 13 is pressed close in the phase sequence position of the second conductor 2, by H-H Phase-Sequence Transformation during to J-J phase sequence, need be by the second conductor 2 through the semi-circular recesses arranging on the 5th conductor 5 and the 9th conductor 9, two semi-circular recesses piece together a whole hole, the second conductor 2 diameters and whole bore dia are adaptive, this structure had both met the insulation of high-tension apparatus space, space electric field needs, meet again mechanical strength, conductor ampacity needs, the commutation needs of U-shaped structure bus have been guaranteed on the whole.

In addition, when the two ends of the 3rd conductor 3, the

7th conductor

7,11 conductors 11 are connected with other conductor, all adopt plug-in connection,, make directly to insert the conductor one end with fingertip 15 with conductor one end of contact 14, referring to Fig. 9, both meet conductor and be electrically connected to needs, make again U-shaped commutation common box bus install, disassemble etc. very convenient.

Claims

1. a U-shaped commutation common box bus, it is characterized in that: comprise U-shaped housing and three-phase conductor, three-phase conductor is located in housing, first-phase conductor comprises the first conductor, the first end phase sequence of the first conductor and the second end phase sequence differ 30 ° counterclockwise, the first end of the first conductor is parallel with the first end face of U-shaped housing, the second end of the first conductor is by the vertical first end that connects the second conductor of bolt, the second end of the second conductor is taken advantage of a situation and is connected the first end of the 3rd conductor by plug-in type, the second end of the 3rd conductor connects the first end of L-type the 4th conductor by plug-in type, the first end of the 4th conductor and the second end phase sequence differ 30 ° counterclockwise, the second end of the 4th conductor is parallel with the second end face of U-shaped housing, second-phase conductor comprises the 5th conductor, the first end phase sequence of the 5th conductor and the second end phase sequence differ 30 ° counterclockwise, the first end of the 5th conductor is parallel with the first end face of U-shaped housing, the 5th conductor is provided with a semi-circular recesses, the second end of the 5th conductor is by the vertical first end that connects the 6th conductor of bolt, the second end of the 6th conductor is taken advantage of a situation and is connected the first end of the 7th conductor by plug-in type, the second end of the 7th conductor connects the first end of L-type the 8th conductor by plug-in type, the first end of the 8th conductor and the second end phase sequence differ 30 ° counterclockwise, the second end of the 8th conductor is parallel with the second end face of U-shaped housing, third phase conductor comprises the 9th conductor, the tenth conductor, 11 conductors, 12 conductors, the 9th conductor structure and the 5th conductor structure are symmetrical, the tenth conductor is identical with the 6th conductor structure, and 11 conductors are identical with the 7th conductor structure, and 12 conductors are identical with the 8th conductor structure, wherein, the second conductor is through the whole hole of the concave part amalgamation of the 9th conductor and the 5th conductor.

2. U-shaped commutation common box bus according to claim 1, is characterized in that: the second end, second end of the tenth conductor of the second end of the second end of the second described conductor, the 3rd conductor, the second end of the 6th conductor, the 7th conductor are, the second end of 11 conductors is equipped with contact.

3. U-shaped commutation common box bus according to claim 2, is characterized in that: the first end of the 3rd described conductor, the first end of the 4th conductor, the first end of the 7th conductor, the first end of the first end of the 8th conductor, 11 conductors are, the first end of 12 conductors is equipped with fingertip.

4. U-shaped commutation common box bus according to claim 3, is characterized in that: the first described conductor adopts two conductors to be welded, and two conductor phase sequences differ 30 ° counterclockwise.

5. U-shaped commutation common box bus according to claim 4, is characterized in that: the 4th described conductor, the 5th conductor, the 8th conductor, the 9th conductor, 12 conductor phase sequence structures are identical with the first conductor.