CN215418981U - Main wiring system of transformer substation - Google Patents

Main wiring system of transformer substation Download PDF

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Publication number
CN215418981U
CN215418981U CN202121556832.3U CN202121556832U CN215418981U CN 215418981 U CN215418981 U CN 215418981U CN 202121556832 U CN202121556832 U CN 202121556832U CN 215418981 U CN215418981 U CN 215418981U
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China
Prior art keywords
transformer
wiring
disconnecting link
main
blower
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Active
Application number
CN202121556832.3U
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Chinese (zh)
Inventor
张二猛
郝永芬
周金冰
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Tianjin Huanyu Technology Co ltd
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Tianjin Huanyu Technology Co ltd
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Abstract

The utility model discloses a main wiring system of a transformer substation, which comprises: the 35KV transformer station is connected with an outgoing line circuit breaker, the outgoing line circuit breaker is connected with a 35KV wiring, a first main transformer T1 and a second main transformer T2 are connected with the 35KV wiring through circuit breakers, the first main transformer T1 and the second main transformer T2 are connected with a 10KV wiring through a main incoming line, and the 10KV wiring is connected with an external device and a plurality of outgoing line ports. Therefore, the electric energy required by the refining furnace and the external equipment can be provided, the subsequent iron making is facilitated, and the problem that the transformer substation can only provide 35KV electric energy in the prior art is solved.

Description

Main wiring system of transformer substation
Technical Field
The utility model relates to the technical field of transformer substations, in particular to a main wiring system of a transformer substation.
Background
The power system is a network consisting of transformers, transmission lines, and consumers, and includes all devices electrically or mechanically connected in the network. These interconnected components in the power system can be divided into two categories, one being power components that produce (generators), transform (transformers, rectifiers, inverters), transmit and distribute (power transmission lines, distribution networks), consume (loads) electrical energy; the other is control elements that change the operating state of the system, such as excitation regulators, speed regulators, relays, etc. of the synchronous generator.
The transformer substation is an intermediate link connecting a power plant and a user, is power equipment for converting voltage, receiving and distributing electric energy, controlling the flow direction of electric power and adjusting voltage in a power system, connects power grids of various levels of voltage through a transformer thereof, and plays a role in converting and distributing electric energy.
In the prior art, a widely used refining furnace needs a transformer substation to provide 35KV and 10KV of electric energy, however, the transformer substation can only provide 35KV of electric energy, so how to design a main wiring system of the transformer substation is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a main wiring system of a transformer substation, which can provide required electric energy for a refining furnace and external equipment, is convenient for subsequent ironmaking, and solves the problem that the transformer substation can only provide 35KV electric energy in the prior art.
The technical problem to be solved by the utility model is realized by adopting the following technical scheme:
the embodiment of the utility model provides a main wiring system of a transformer substation, which comprises: the 35KV transformer station is connected with an outgoing line circuit breaker, the outgoing line circuit breaker is connected with a 35KV wiring, a first main transformer T1 and a second main transformer T2 are connected with the 35KV wiring through circuit breakers, the first main transformer T1 and the second main transformer T2 are connected with a 10KV wiring through a main incoming line, and the 10KV wiring is connected with an external device and a plurality of outgoing line ports.
Optionally, in an embodiment of the present invention, the external device and the outlet port are connected to the 10KV cable;
the connecting wire is respectively connected with the disconnecting link, the lightning rod and the display lamp, and the disconnecting link, the lightning rod and the display lamp are grounded.
Optionally, in the embodiment of the present invention, the external devices are set as a blower 1, a standby blower 1, a blower 2, and a standby blower 2;
the blower 1, the spare blower 1, the blower 2 and the spare blower 2 are connected with the 10KV cable through the connecting wire;
the outlet port is connected with other equipment.
Optionally, in the embodiment of the present invention, a voltage transformer PT2 and a voltage transformer PT3 are further connected to the 35KV connection line;
the structure of the voltage transformer PT2 is the same as that of the voltage transformer PT 3;
the voltage transformer PT2 specifically comprises the lightning rod, a fuse, a transformer and the display lamp;
one end of the lightning rod is connected with the 35KV connecting wire through the disconnecting link, and the other end of the lightning rod is grounded;
one end of the fuse is connected with the 35KV wiring through the disconnecting link, and the other end of the fuse is connected with the transformer;
one end of the display lamp is connected with the 35KV connecting wire through the disconnecting link, and the other end of the display lamp is grounded.
Optionally, in the embodiment of the present invention, a voltage transformer PT4 and a voltage transformer PT5 are further connected to the 10KV line;
the structure of the voltage transformer PT4 is the same as that of the voltage transformer PT 5;
the voltage transformer PT4 specifically comprises the lightning rod, the fuse, the transformer and the display lamp;
one end of the lightning rod is connected with the 10KV wiring through the disconnecting link, and the other end of the lightning rod is grounded;
one end of the fuse is connected with the 10KV wiring through the disconnecting link, and the other end of the fuse is connected with the transformer;
one end of the display lamp is connected with the 10KV connecting wire through the disconnecting link, and the other end of the display lamp is grounded.
Optionally, in an embodiment of the present invention, the 35KV line is connected to the circuit breaker, and the circuit breaker is connected to the refining furnace.
Optionally, in an embodiment of the present invention, the circuit breaker includes a first knife switch, a switch, and a second knife switch;
the first disconnecting link is connected with the 35KV wiring, the first disconnecting link is connected with the switch, the switch is connected with the second disconnecting link, and the second disconnecting link is connected with the refining furnace.
The utility model has the advantages and positive effects that: the 35KV transformation station provides 35KV electric energy, the refining furnace is connected with the 35KV wiring through a circuit breaker, namely, the 35KV transformation station provides 35KV electric energy for the refining furnace, so that the refining furnace starts to work normally;
the method comprises the steps that a first main transformer T1 and a second main transformer T2 are arranged, electric energy of 35KV is provided for a 35KV transformation station, the electric energy of the 35KV is reduced to 10KV, specifically, the external equipment and an outlet port are connected to a 10KV connecting line through a connecting line, namely, the external equipment and the outlet port can be provided with the electric energy of 10KV, so that the external equipment starts to work normally, wherein the external equipment is provided with an air blower 1, a spare air blower 1, an air blower 2 and a spare air blower 2;
therefore, the utility model can provide the required electric energy for the refining furnace and the external equipment, and solves the problem that the transformer substation can only provide 35KV electric energy in the prior art.
Drawings
Fig. 1 is a schematic structural diagram of a main wiring system of a substation provided by the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, the main connection system of a substation according to the present invention includes: the 35KV transformer station is connected with an outgoing line circuit breaker, the outgoing line circuit breaker is connected with a 35KV wiring, a first main transformer T1 and a second main transformer T2 are connected with the 35KV wiring through circuit breakers, the first main transformer T1 and the second main transformer T2 are connected with a 10KV wiring through a main incoming line, and the 10KV wiring is connected with an external device and a plurality of outgoing line ports.
Therefore, the utility model can provide the required electric energy for the refining furnace and the external equipment, and solves the problem that the transformer substation can only provide 35KV electric energy in the prior art.
Optionally, in the embodiment of the present invention, the external device and the outlet port are connected to the 10KV cable through a connecting wire;
the connecting wire is respectively connected with the disconnecting link, the lightning rod and the display lamp, and the disconnecting link, the lightning rod and the display lamp are grounded.
Optionally, in the embodiment of the present invention, the external devices are set as a blower 1, a standby blower 1, a blower 2, and a standby blower 2;
the blower 1, the spare blower 1, the blower 2 and the spare blower 2 are connected with the 10KV cable through the connecting wire;
the outlet port is connected with other equipment.
Optionally, in the embodiment of the present invention, a voltage transformer PT2 and a voltage transformer PT3 are further connected to the 35KV connection line;
the structure of the voltage transformer PT2 is the same as that of the voltage transformer PT 3;
the voltage transformer PT2 specifically comprises the lightning rod, a fuse, a transformer and the display lamp;
one end of the lightning rod is connected with the 35KV connecting wire through the disconnecting link, and the other end of the lightning rod is grounded;
one end of the fuse is connected with the 35KV wiring through the disconnecting link, and the other end of the fuse is connected with the transformer;
one end of the display lamp is connected with the 35KV connecting wire through the disconnecting link, and the other end of the display lamp is grounded.
Optionally, in the embodiment of the present invention, a voltage transformer PT4 and a voltage transformer PT5 are further connected to the 10KV line;
the structure of the voltage transformer PT4 is the same as that of the voltage transformer PT 5;
the voltage transformer PT4 specifically comprises the lightning rod, the fuse, the transformer and the display lamp;
one end of the lightning rod is connected with the 10KV wiring through the disconnecting link, and the other end of the lightning rod is grounded;
one end of the fuse is connected with the 10KV wiring through the disconnecting link, and the other end of the fuse is connected with the transformer;
one end of the display lamp is connected with the 10KV connecting wire through the disconnecting link, and the other end of the display lamp is grounded.
Optionally, in an embodiment of the present invention, the 35KV line is connected to the circuit breaker, and the circuit breaker is connected to the refining furnace.
Optionally, in an embodiment of the present invention, the circuit breaker includes a first knife switch, a switch, and a second knife switch;
the first disconnecting link is connected with the 35KV wiring, the first disconnecting link is connected with the switch, the switch is connected with the second disconnecting link, and the second disconnecting link is connected with the refining furnace.
The working principle and the working process of the utility model are as follows: the 35KV transformation station provides 35KV electric energy, the refining furnace is connected with the 35KV wiring through a circuit breaker, namely, the 35KV transformation station provides 35KV electric energy for the refining furnace, so that the refining furnace starts to work normally;
the method comprises the steps that a first main transformer T1 and a second main transformer T2 are arranged, electric energy of 35KV is provided for a 35KV transformation station, the electric energy of the 35KV is reduced to 10KV, specifically, the external equipment and an outlet port are connected to a 10KV connecting line through a connecting line, namely, the external equipment and the outlet port can be provided with the electric energy of 10KV, so that the external equipment starts to work normally, wherein the external equipment is provided with an air blower 1, a spare air blower 1, an air blower 2 and a spare air blower 2;
and the outlet port can be connected with other equipment to enable the other equipment to start working, and the specific reason of the other equipment can be determined according to the actual situation, and is not specifically limited herein, so as to meet the requirements of different scenes and improve the flexibility of design.
Therefore, the utility model can provide the required electric energy for the refining furnace and the external equipment, and solves the problem that the transformer substation can only provide 35KV electric energy in the prior art.
It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.

Claims (7)

1. A main wiring system of a substation, comprising:
the 35KV transformer station is connected with an outgoing line circuit breaker, the outgoing line circuit breaker is connected with a 35KV wiring, a first main transformer T1 and a second main transformer T2 are connected with the 35KV wiring through circuit breakers, the first main transformer T1 and the second main transformer T2 are connected with a 10KV wiring through a main incoming line, and the 10KV wiring is connected with an external device and a plurality of outgoing line ports.
2. The primary wiring system of a substation according to claim 1, wherein said external device and said outlet port are connected to said 10KV wiring by connecting wires;
the connecting wire is respectively connected with the disconnecting link, the lightning rod and the display lamp, and the disconnecting link, the lightning rod and the display lamp are grounded.
3. The main wiring system of a substation according to claim 2, wherein the external devices are blower 1, backup blower 1, blower 2 and backup blower 2;
the blower 1, the spare blower 1, the blower 2 and the spare blower 2 are connected with the 10KV cable through the connecting wire;
the outlet port is connected with other equipment.
4. The main wiring system of a substation according to claim 3, wherein a potential transformer PT2 and a potential transformer PT3 are further connected to the 35KV wiring;
the structure of the voltage transformer PT2 is the same as that of the voltage transformer PT 3;
the voltage transformer PT2 specifically comprises the lightning rod, a fuse, a transformer and the display lamp;
one end of the lightning rod is connected with the 35KV connecting wire through the disconnecting link, and the other end of the lightning rod is grounded;
one end of the fuse is connected with the 35KV wiring through the disconnecting link, and the other end of the fuse is connected with the transformer;
one end of the display lamp is connected with the 35KV connecting wire through the disconnecting link, and the other end of the display lamp is grounded.
5. The main wiring system of a substation according to claim 4, wherein a potential transformer PT4 and a potential transformer PT5 are further connected to the 10KV wiring;
the structure of the voltage transformer PT4 is the same as that of the voltage transformer PT 5;
the voltage transformer PT4 specifically comprises the lightning rod, the fuse, the transformer and the display lamp;
one end of the lightning rod is connected with the 10KV wiring through the disconnecting link, and the other end of the lightning rod is grounded;
one end of the fuse is connected with the 10KV wiring through the disconnecting link, and the other end of the fuse is connected with the transformer;
one end of the display lamp is connected with the 10KV connecting wire through the disconnecting link, and the other end of the display lamp is grounded.
6. The main wiring system of a substation of claim 5, wherein the breaker is connected to the 35KV wiring, and the breaker is connected to a refining furnace.
7. The main wiring system of a substation according to claim 6, wherein the circuit breaker comprises a first knife switch, a second knife switch;
the first disconnecting link is connected with the 35KV wiring, the first disconnecting link is connected with the switch, the switch is connected with the second disconnecting link, and the second disconnecting link is connected with the refining furnace.
CN202121556832.3U 2021-07-09 2021-07-09 Main wiring system of transformer substation Active CN215418981U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121556832.3U CN215418981U (en) 2021-07-09 2021-07-09 Main wiring system of transformer substation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121556832.3U CN215418981U (en) 2021-07-09 2021-07-09 Main wiring system of transformer substation

Publications (1)

Publication Number Publication Date
CN215418981U true CN215418981U (en) 2022-01-04

Family

ID=79648059

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121556832.3U Active CN215418981U (en) 2021-07-09 2021-07-09 Main wiring system of transformer substation

Country Status (1)

Country Link
CN (1) CN215418981U (en)

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