Positioning device for cable pipe penetration of 35kV current collection line of energy storage power station

Abstract

A positioning device for cable pipe penetration of a 35kV current collection line of an energy storage power station comprises a cable trench and a PCS cabin which are located in an energy storage area, a through hole is formed in the side wall of the cable trench, a through pipe is arranged in the through hole, and the through pipe is communicated with the cable trench and the PCS cabin; when the current collection line cable penetrates through the side wall of the cable trench to be laid in the cable trench, the included angle between the tangent line and the side wall of the cable trench is 48 degrees, and a transverse distance offset X is arranged between a cable pipe on the wall of the PCS cabin and a penetrating pipe on the wall of the cable trench. According to the cable penetrating pipe positioning device for the 35kV current collection line of the energy storage power station, under the condition that the requirement of the bending radius of a cable is met, cable penetrating pipes are pre-buried on the wall of a cable trench and the wall of a PCS cabin, the engineering quantity of the cable trench in an energy storage area is reduced, the construction period and investment are saved, the method is simple, implementation is easy, and the cost is low. Compared with a traditional construction scheme, the work amount is saved.

Description

Technical Field

[0001] The utility model relates to a positioning device for the pipe threading of a 35kV collector line cable of an energy storage power station. Background Art

[0002] At present, the collection line cables in the energy storage area of ​​independent shared energy storage power stations are mostly laid in cable trenches. According to the specifications, the collection line cables are ZC-YJV22-26 / 35-3×240, and the outer diameter of this type of cable is about 120mm. According to the specifications, the minimum bending radius of 35kV armored cables is 12D, which is 1440mm, which means that the cable trench width should be at least 1440mm wide. However, the collection line cables in the energy storage area are usually relatively small. For a 100MW / 200MWh energy storage power station, there are 5 35kV collection line cables in the energy storage area. Making such a wide cable trench will cause great waste. Utility Model Content

[0003] The technical problem to be solved by the utility model is: for a 100MW / 200MWh energy storage power station, how to reduce the engineering cost of the cable trench and provide a positioning device for the cable threading of a 35kV collector line of the energy storage power station.

[0004] The technical solution of the utility model is specifically as follows:

[0005] A positioning device for a 35kV collector line cable pipe threading in an energy storage power station comprises a cable trench and a PCS cabin located in an energy storage area, a perforation is provided on the side wall of the cable trench, a perforation is provided in the perforation, and the perforation connects the cable trench and the PCS cabin; when the collector line cable is laid through the side wall of the cable trench in the cable trench, the angle between the tangent and the side wall of the cable trench is 48°, and a lateral distance offset X is provided between the cable pipe on the wall of the PCS cabin and the perforation on the wall of the cable trench, and the lateral distance offset X is:

[0006] When Y ≥ 1440cos(48), X = 1440-1440sin(48);

[0007] When Y<1440cos(48), X=(1440^2-Y^2)^0.5-Y*tan(48)-(1440cos(48)-Y)tan48;

[0008] Wherein, Y is the distance between the PCS cabin and the cable trench.

[0009] The cable trench is 800mm wide.

[0010] The beneficial effects of the utility model are as follows: the utility model designs a cable conduit positioning device for a 35kV collector line in an energy storage power station. While meeting the requirements of the cable bending radius, the cable conduits are pre-buried on the cable trench wall and the PCS cabin wall, reducing the amount of cable trench engineering in the energy storage area, saving construction period and investment. The method is simple and easy to implement, saving engineering volume compared to traditional construction plans. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a principle structure diagram of the utility model. DETAILED DESCRIPTION

[0012] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0013] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0014] A positioning device for a 35kV collector line cable pipe threading in an energy storage power station comprises a cable trench 1 and a PCS cabin 2 located in an energy storage area, a perforation is provided on a side wall 3 of the cable trench 1, a pipe threading 4 is provided in the perforation, and the pipe threading 4 connects the cable trench 1 and the PCS cabin 2; when the collector line cable is laid through the side wall of the cable trench in the cable trench 1, the angle between the tangent and the side wall of the cable trench is 48°, and a lateral distance offset X is provided between the cable pipe on the wall of the PCS cabin and the pipe threading on the wall of the cable trench, and the lateral distance offset X is:

[0015] When Y ≥ 1440cos(48), X = 1440-1440sin(48);

[0016] When Y<1440cos(48), X=(1440^2-Y^2)^0.5-Y*tan(48)-(1440cos(48)-Y)tan48;

[0017] Wherein, Y is the distance between PCS cabin 2 and cable trench 1.

[0018] Furthermore, the cable trench 1 is 800 mm wide.

[0019] The principle of the utility model is:

[0020] When the cable goes to the PCS cabin 2, an inclined pipe 4 is installed on the side wall of the cable trench 1. After the cable comes out of the inclined pipe 4, it is directly buried to the PCS cabin 2. The cable enters the PCS cabin 2 through the pipe. In order to meet the requirements of the specification on the bending radius of the cable, the utility model mainly provides a positioning method for the pipe penetration of the cable trench wall and the pipe penetration of the PCS cabin wall.

[0021] When the collector line cable is laid through the side wall of the cable trench in the cable trench 1, the angle between the tangent and the side wall of the cable trench is 48°. The position of the pipe on the bulkhead of the PCS cabin 2 is related to the vertical positioning of the PCS cabin and the cable trench. Assuming that the distance between the PCS cabin and the cable trench is Y, the horizontal distance between the cable pipe on the bulkhead of the PCS cabin and the pipe on the cable trench wall is offset by X;

[0022] When Y ≥ 1440cos (48), the collector line cable can make a 90-degree turn and directly enter the PCS cabin, where X = 1440-1440sin (48);

[0023] When Y is less than 1440cos(48), X=(1440^2-Y^2)^0.5-Y*tan(48)-(1440cos(48)-Y)tan48, and the angle with the cable warehouse wall is θ=arcsin(Y / 1440).

[0024] The above is only a preferred embodiment of the present invention. It should be pointed out that those skilled in the art can make several changes and improvements without departing from the overall concept of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. A positioning device for a 35 kV collector line cable pipe threading device of an energy storage power station, comprising a cable trench (1) and a PCS cabin (2) located in an energy storage area, characterized in that: A perforation is provided on the side wall (3) of the cable trench (1), and a through-tube (4) is provided in the perforation. The through-tube (4) connects the cable trench (1) and the PCS cabin (2). When the collector line cable is laid through the side wall of the cable trench in the cable trench (1), the angle between the tangent and the side wall of the cable trench is 48°. A lateral distance offset X is provided between the cable tube on the wall of the PCS cabin and the through-tube on the wall of the cable trench. The lateral distance offset X is: When Y ≥ 1440cos(48), X = 1440-1440sin(48); When Y<1440cos(48), X=(1440^2-Y^2)^0.5-Y*tan(48)-(1440cos(48)-Y)tan48; Wherein, Y is the distance between the PCS cabin (2) and the cable trench (1).

2. A positioning device for cable pipe threading of a 35kV collector line of an energy storage power station according to claim 1, characterized in that: The cable trench (1) is 800 mm wide.

Images