CN105958353A - Transformer substation and layered transformer substation - Google Patents

Abstract

A substation and a layered substation, the substation includes: grounding substation arc suppressing coil equipment and a 10kV power distribution device room, the 10kV power distribution device room includes: multiple sets of switchgear equipment, characterized in that the The arc-suppressing coil equipment for grounding transformation is set in the 10kV power distribution device room. It realizes that there is no need to set up a separate power distribution room when placing the grounding substation arc suppressing coil equipment, thereby saving the land area of the substation.

Description

Substation and a layered substation

technical field

The invention relates to the field of power grid engineering design, in particular to a substation and a layered substation.

Background technique

Since 2011, the State Grid Corporation has vigorously promoted the "General Design of Power Transmission and Transformation Projects of the State Grid Corporation of China". From 35kV to 500kV, there are general design schemes for substations corresponding to voltage levels as the basis to guide the design of construction drawings. "35kV-110kV Substation Design Code" stipulates: "For substations that need to install arc suppression coil compensation devices according to the plan, when using grounding transformers to lead out the neutral point, the grounding transformers can be used as station transformers." With the development of electric power engineering, in recent years, the complete set of grounding substation arc suppression coils has been used more and more widely in substations.

In the A3-3 scheme of "General Design of 110kV Substation", the arc-suppression coil room of the grounding substation is separately set up to place the complete equipment of the arc-suppression coil of the grounding substation, so as to clarify the division of equipment, but it also increases the area occupied by the substation, and at the same time causes equipment The difficulty of transportation increases, resulting in an increase in the construction cost of the substation, which cannot meet the design requirements of the substation under the new situation.

Therefore, how to reduce the footprint of the substation and reduce the construction cost of the substation has become an urgent problem to be solved.

Contents of the invention

The technical problem to be solved by the invention is to reduce the occupied area of the substation and reduce the construction cost of the substation.

Therefore, according to the first aspect, the embodiment of the present invention provides a substation, including: grounding substation arc suppression coil equipment and a 10kV power distribution device room, the 10kV power distribution device room includes: multiple sets of switch cabinet equipment, grounding substation arc suppression The coil equipment is set in the 10kV power distribution device room.

Preferably, the substation further includes: a first main transformer room, a second main transformer room and a third main transformer room arranged in a line, and multiple sets of switchgear equipment include: first switchgear equipment, second switchgear equipment and the first switchgear equipment Three switchgear equipment, respectively connected with the first main transformer room, the second main transformer room and the third main transformer room; the first part of the first switchgear equipment, the second switchgear equipment and the first part of the third switchgear equipment Word layout; the second part of the first switchgear equipment and the second part of the third switchgear equipment are located on both sides of the 10kV power distribution equipment room, and are respectively close to the side of the first part of the first switchgear equipment and the second One side of the first part of the three switchgear equipment.

Preferably, the ground-changing arc suppression coil device is located between the second part of the first switchgear device and the second part of the third switchgear device.

Preferably, the 10kV switchgear room is arranged on the opposite side side by side with the first main transformer room, the second main transformer room and the third main transformer room.

Preferably, the grounding variable arc suppression coil equipment includes: the first grounding variable arc suppression coil equipment in this period, the second grounding variable arc suppression coil equipment in this period, and the third grounding variable arc suppression coil equipment in the future; the first grounding variable arc suppression coil equipment in this period The arc-suppression coil equipment, the arc-suppression coil equipment of the second grounding transformer in the current phase and the arc-suppression coil equipment of the third grounding transformer in the long-term are arranged side by side in sequence.

Preferably, the switchgear equipment and the grounding arc suppressing coil equipment share a ventilation system.

Preferably, the substation further includes: a spare room and a battery room arranged up and down, arranged on the left side of the 10kV power distribution device room, and opposite to the first capacitor room and the second capacitor room.

According to the second aspect, an embodiment of the present invention provides a layered substation, including: the above-mentioned substation, located on the same floor; any one of the third capacitor room, secondary equipment room, GIS room, and spare parts room Any combination, located on the upper level of the substation.

In the substation provided by the embodiment of the present invention, the grounding substation arc suppressing coil equipment in the substation is installed in the 10kV power distribution device room from a separate power distribution room, and the 10kV power distribution device room is shared with the switchgear equipment, so as to achieve grounding There is no need to set up a separate power distribution room when changing the arc suppression coil equipment, thereby saving the land area of the substation.

In addition, in the substation provided by the embodiment of the present invention, by setting the grounding substation arc suppression coil equipment in the lower 10kV power distribution device room, compared with the prior art, the upper level is equipped with a separate power distribution room for the grounding substation arc suppression coil equipment , saving the land area of the substation, making it unnecessary to hoist when installing the equipment, reducing the safety hazards caused by the hoisting process of the grounding substation arc suppression coil equipment, and saving the hoisting cost.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 shows the block diagram of one floor of the substation of embodiment 1 of the present invention;

Fig. 2 shows the plane structure diagram of one floor of the substation of Embodiment 1 of the present invention;

Fig. 3 shows the plane structure diagram of the second floor of the substation of Embodiment 2 of the present invention;

Fig. 4 shows the first comprehensive sectional view of the substation of Embodiment 2 of the present invention;

Fig. 5 shows the second comprehensive sectional view of the substation of Embodiment 2 of the present invention;

Fig. 6 shows a third comprehensive sectional view of the substation according to Embodiment 2 of the present invention.

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "contraside", "side", "left side", "right side", "upper", "lower" etc. are based on the attached The orientation or positional relationship shown in the figure is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a reference to this invention. Invention Limitations. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically or electrically connected; it can be directly connected, or indirectly connected through an intermediary, or it can be the internal communication of two components, which can be wireless or wired connect. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Example 1

This embodiment discloses a substation, as shown in Figure 1, the substation includes: grounding substation arc suppressing coil equipment 62 and 10kV power distribution device room 6, 10kV power distribution device room 6 includes: multiple sets of switchgear equipment 61, grounding The variable arc suppressing coil equipment 62 is set in the 10kV power distribution device room 6 . Through the overall planning of the 10kV power distribution device room 6 and the installation of multiple sets of switchgear equipment, the grounding transformer arc suppression coil equipment 62 is arranged in the 10kV power distribution device room 6 . In a specific embodiment, the switchgear equipment 61 and the grounding transformer arc suppression coil equipment 62 are jointly installed in the 10kV power distribution device room, so that there is no need to configure a separate power distribution room for the grounding transformer arc suppression coil equipment 62, and because Multiple sets of switchgear equipment 61 and grounding transformer arc suppression coil equipment 62 are set in the same 10kV power distribution device room 6, so that the cables between multiple sets of switchgear equipment 61 and grounding transformer arc suppression coil equipment 62 do not need to cross Spanning can effectively avoid the cross-crossing problem that occurs when multiple sets of switchgear equipment 61 and grounding transformer arc suppression coil equipment 62 are installed in a separate power distribution room. For example, "State Grid Corporation of China In the 110-A3-3 scheme of General Design of Electrical Engineering, multiple sets of switchgear equipment 61 and grounding transformer arc suppression coil equipment 62 are arranged in different power distribution rooms in layers, and are not on the same floor, and there are primary and secondary cables crossing. crossing issues.

In a preferred embodiment, the substation further includes: the first main transformer room 3, the second main transformer room 4 and the third main transformer room 5 arranged in a line, and the multiple sets of switchgear equipment 61 include: the first switchgear equipment 611. The second switchgear equipment 612 and the third switchgear equipment 613 are respectively connected to the first main transformer room 3, the second main transformer room 4 and the third main transformer room 5; in this embodiment, the first switchgear equipment 611 is split into two parts, the first part of the first switchgear device 611 and the second part of the first switchgear device 611, the third switchgear device 613 is split into two parts, the first part of the third switchgear device 613 and the third part The second part of the switchgear 613 is to reserve sufficient and reasonable setting space for the grounding transformer arc suppressing coil equipment in order to rationally arrange multiple groups of switchgear equipment 61 . The first part of the first switch cabinet device 611, the second switch cabinet device 612 and the first part of the third switch cabinet device 613 are arranged in a line; the second part of the first switch cabinet device 611 and the first part of the third switch cabinet device 613 The two parts are respectively located on both sides of the 10kV power distribution device room 6 , and are respectively close to one side of the first part of the first switchgear equipment 611 and one side of the first part of the third switchgear equipment 613 .

In a specific embodiment, the first main transformation chamber 3, the second main transformation chamber 4 and the third main transformation chamber 5 are respectively used to set up main transformers, and their arrangement is shown in Fig. 1 or Fig. 2, in the plan view Arranged in a line at the top, the multiple sets of switchgear equipment 61 in the 10kV power distribution device room 6 can be, for example, three sets of first switchgear equipment 611, second switchgear equipment 612 and third switchgear equipment 613 respectively connected to the first switchgear equipment 613. One main transformer room 3, the second main transformer chamber 4 and the third main transformer chamber 5 are correspondingly connected, as shown in Fig. 1 or Fig. 2, the first part of the first switchgear equipment 611, the second switchgear equipment 612 and the third The first part of the switchgear equipment 613 is arranged in a line, and it is arranged above the 10kV power distribution device room 6 in the plan view. The second part of the first switchgear equipment 611 and the second part of the third switchgear equipment 613 are respectively located at 10kV On both sides of the power distribution device room 6, the second part of the first switchgear device 611 is arranged on the opposite side of the first part of the first switchgear device 611, and the second part of the third switchgear device 613 is arranged on the third switchgear device The opposite side of the first part of the cabinet device 613. Due to the corresponding arrangement of the grounding variable arc suppressing coil equipment 62 and the switch cabinet equipment 61, the space is compact and orderly, and the functional divisions are reasonable.

In a preferred embodiment, the grounding arc suppression coil device 62 is located between the second part of the first switchgear device 611 and the second part of the third switchgear device 613 . In a specific embodiment, the grounding variable arc suppressing coil device 62 is arranged on the opposite side of the second switch cabinet device 613, and forms a shape with the second part of the first switch cabinet device 611 and the second part of the third switch cabinet device 613. Line up.

In a preferred embodiment, the 10kV power distribution device room 6 is arranged on the opposite side to the first main transformer room 3 , the second main transformer room 4 and the third main transformer room 5 .

In a preferred embodiment, the grounding variable arc suppression coil device 62 may include: the first grounding variable arc suppression coil device 621 in the current period, the second grounding variable arc suppression coil device 622 in the current period, and the third grounding variable arc suppression coil device in the long term The equipment 623, the first grounding variable arc suppression coil device 621 of the current period, the second grounding variable arc suppression coil device 622 of the current period, and the third grounding variable arc suppression coil device 623 of the long term are arranged side by side in sequence. The third ground-to-arc suppression coil equipment 623 in the future may be a space reserved for adding ground-to-arc suppression coil equipment in the future. In a specific embodiment, as shown in FIG. 1 , the first grounding transformer arc suppression coil device 621 and the second part of the first switch cabinet device 611 are on one side, and the first grounding transformer arc suppression coil device 621 in this phase is , the current second grounding variable arc suppression coil device 622 and the long-term third grounding variable arc suppression coil device 623 are placed side by side in sequence.

In a preferred embodiment, the switchgear equipment 61 and the grounding transformer arc suppression coil equipment 62 can share the same set of ventilation system. In the power distribution room, the ventilation system is reused, which reduces the number of ventilation systems used and saves the cost of substation construction.

In a preferred embodiment, the first capacitor chamber 1 and the second capacitor chamber 2 arranged left and right are arranged in the first main transformer chamber 3 , the second main transformer chamber 4 and the third main transformer chamber 5 arranged in a line on the left side.

In a preferred embodiment, the spare room 7 and battery room 8 arranged up and down are arranged on the left side of the 10kV power distribution device room 6 and are opposite to the first capacitor room 1 and the second capacitor room 2 .

By resetting the grounding transformer arc suppression coil equipment from a separate power distribution room to the common 10kV power distribution device room with the switchgear equipment, it is realized that there is no need to set up a separate power distribution room when placing the grounding transformer arc suppression coil equipment. Therefore, the land area is saved during the overall construction of the substation.

Example 2

The embodiment of the present invention also provides a layered substation, as shown in Figure 3 to Figure 6, the layered substation includes:

The substation in the above-mentioned embodiment 1 is located on the same floor; the auxiliary function equipment room is located on the upper floor of the substation. In a specific embodiment, the auxiliary function equipment room may include: any one or any combination of the third capacitor room 9, the secondary equipment room 10, the GIS room 11, and the spare parts room 12, and the secondary equipment room may Including, for example, the first group of secondary equipment 101, the second group of secondary equipment 102 and the third group of secondary equipment 103; the GIS room 11 may include, for example, a complete set of GIS equipment 111, as shown in Figure 3, the third capacitor room 9 can be set On the left side of the first main transformer chamber 3 on the lower floor, as shown in Figure 5, the third capacitor chamber 9 can be located above the space of the first capacitor chamber 1 and the second capacitor chamber 2 side by side; as shown in Figure 3 , the secondary equipment room 10 can be arranged on the opposite side of the third capacitor room 9 and the first main transformer room 3, as shown in Figure 5, the secondary equipment room 10 can be located above the spare room 7 and the battery room 8 ; As shown in Figure 3, GIS room 11 can be arranged on the first main change room 3, the second main change room 2, the opposite side of the third main change room 3 side by side, as shown in Figure 4 or Figure 6, GIS room 11 It can be installed above the space of the 10kV distribution equipment room 6 . It should be noted that those skilled in the art should understand that the up and down in space are actually up and down in the construction process.

By installing the grounding transformer arc suppression coil equipment in the 10kV power distribution device room on the lower floor, there is no need for hoisting during equipment installation, which reduces the safety hazards caused by the grounding transformer arc suppression coil equipment during hoisting and saves hoisting costs.

Fig. 1 to Fig. 6 have shown the substation provided by the present invention and the structure of stratified substation, and the equipment in each equipment room and device room of the present invention is the common equipment in the substation, those skilled in the art can understand the difference between each equipment Therefore, the connection cables between each device are omitted in the figure.

Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention. Such modifications and variations all fall into the scope of the appended claims. within the limited range.

Claims (9)

1. A substation, comprising: grounding substation arc suppressing coil equipment (62) and 10kV power distribution device room (6), described 10kV power distribution device room (6) comprising: multiple groups of switchgear equipment (61), its feature is that The grounding transformer arc suppressing coil equipment (62) is arranged in the 10kV power distribution device room (6). 2. The substation according to claim 1, further comprising: a first main transformer room (3), a second main transformer room (4) and a third main transformer room (5) arranged in a line, The multiple sets of switchgear equipment (61) include: a first switchgear equipment (611), a second switchgear equipment (612) and a third switchgear equipment (613), respectively connected to the first main transformer room (3 ), the second main change chamber (4) and the third main change chamber (5) are connected; The first part of the first switch cabinet device (611), the second switch cabinet device (612) and the first part of the third switch cabinet device (613) are arranged in a line; The second part of the first switchgear equipment (611) and the second part of the third switchgear equipment (613) are respectively located on both sides of the 10kV power distribution device room (6), and are respectively close to the first One side of the first part of the switchgear device (611) and one side of the first part of the third switchgear device (613). 3. The substation according to claim 2, characterized in that, the grounding substation arc suppressing coil equipment (62) is located at the second part of the first switchgear equipment (611) and the third switchgear equipment (613) between the second part of . 4. The substation according to claim 2, characterized in that, The 10kV power distribution device room (6) is arranged on the opposite side side by side with the first main transformer room (3), the second main transformer room (4) and the third main transformer room (5). 5. The substation according to any one of claims 1-4, characterized in that, the grounding substation arc suppression coil equipment (62) includes: the first grounding substation arc suppression coil equipment (621) in this phase, the first grounding substation arc suppression coil equipment (621) in this phase The second grounding variable arc suppression coil equipment (622) and the third long-term grounding variable arc suppression coil equipment (623); the first grounding variable arc suppression coil equipment (621) of the current period, the second grounding variable arc suppression coil The arc coil device (622) and the third remote grounding transformer arc suppression coil device (623) are arranged side by side in sequence. 6. The substation according to any one of claims 1-4, characterized in that, the switchgear equipment (61) and the grounding substation arc suppression coil equipment (62) share a ventilation system. 7. The substation according to any one of claims 2-4, characterized in that it further comprises: the first capacitor chamber (1) and the second capacitor chamber (2) arranged left and right, arranged in the row The left side of the first main change chamber (3), the second main change chamber (4) and the third main change chamber (5) of cloth. 8. The substation according to claim 7, further comprising: a spare room (7) and a battery room (8) arranged up and down, arranged on the left side of the 10kV power distribution device room (6), And it is opposite to the first capacitor chamber (1) and the second capacitor chamber (2). 9. A layered substation, characterized in that it comprises: The substation according to any one of claims 1-8, located on the same floor; Any one or any combination of the third capacitor room (9), secondary equipment room (10), GIS room (11) and spare parts room (12) is located on the upper floor of the substation.