KR102362838B1 - Moving type precasted pad for transformer - Google Patents

Abstract

One embodiment of the present invention is to provide a movable base for a transformer that can stably support the ground transformer for temporary use of the ground transformer and has a wiring structure that stably connects a distribution line and a reception line, A movable base for a transformer according to an aspect of the present invention is provided with a predetermined height, the base body having an angle support on which the transformer is mounted; a high-voltage cable junction box provided on one side of the base body, one end connected to a high-voltage cable of a distribution line, and the other end installed with at least one primary cable accommodated in the base body body; and a low-voltage cable junction box provided on the other side of the base body main body, one end connected to a low voltage cable of the power receiving line, and the other end installed with at least one secondary cable accommodated in the base base body.

Description

Movable foundation for transformers {MOVING TYPE PRECASTED PAD FOR TRANSFORMER}

The present invention relates to a mobile base for a transformer for a ground transformer used in a 22.9kV-y distribution line system.

In general, the distribution supplied to consumers from substations is supplied to consumers through high-voltage distribution lines of overhead lines and underground lines.

Here, the primary cable through which 22.9kV passes and the secondary cable through which 380/220V passes are supplied to the above-ground transformer after passing through the buried foundation installed under the above-ground transformer, or supplied from the above-ground transformer to the power receiving line. wired to supply

Among these power distribution facilities, the above-ground transformer is easy to install and move, so there is a temporary demand such as flooded areas due to natural disasters, dense residential areas such as apartments where power transformers are broken, important event sites, or uninterrupted replacement sites. It can be moved and installed wherever it is.

However, when temporarily using a ground transformer, it is necessary to install a buried type foundation for stable use, but it takes a lot of time to install the buried type foundation, and there is a difficulty in using it due to restrictions such as installation space. Accordingly, in the field, the method is mainly used to connect the primary and secondary cables to a distribution line or a power receiving line by opening the door while the ground transformer is put down in the work area.

However, in this connection structure, since the door of the ground transformer is always operated in an open state, foreign substances can enter the connection part of the ground transformer, cables, etc. through the open door, and there is a risk of accidents due to contamination. As the connection part of the cable and the secondary cable is exposed to the outside, there is a risk of malfunction of the general public, and contact may be made when the general public approaches or passes from an adjacent distance, and thus there is a risk of facility accidents or safety accidents.

An embodiment of the present invention is for the temporary use of the above-ground transformer, it is possible to stably support the above-ground transformer, and to provide a movable base for a transformer provided with a wiring structure for stably connecting a distribution line and a reception line. do it with

A movable base for a transformer according to an aspect of the present invention is provided with a predetermined height, the base body having an angle support on which the transformer is mounted; a high-voltage cable junction box provided on one side of the base body, one end connected to a high-voltage cable of a distribution line, and the other end installed with at least one primary cable accommodated in the base body body; and a low-voltage cable junction box provided on the other side of the base body main body, one end connected to a low voltage cable of the power receiving line, and the other end installed with at least one secondary cable accommodated in the base base body.

In addition, a high-voltage connector for connection with the high-voltage cable may be provided at one end of the primary cable, and a high-voltage connection terminal connected to the high-voltage connection socket of the transformer may be provided at the other end of the primary cable.

In addition, a low voltage connector for connection with the low voltage cable may be provided at one end of the secondary cable, and a low voltage connection terminal connected to the low voltage connection socket of the transformer may be provided at the other end of the secondary cable.

In addition, a high-voltage cable storage box and a low-voltage cable storage box in which the other end of the primary cable and the other end of the secondary cable are separately accommodated may be provided in the base body.

In addition, formed in the angle support portion may include a plurality of slit grooves into which a fastening bolt is inserted for coupling of the transformer.

In addition, the high-voltage cable junction box and the low-voltage cable junction box may further include at least one fixing cleat for fixing the primary cable and the secondary cable, respectively.

According to an embodiment of the present invention, it is possible to move, it is possible to stably install a ground transformer, to connect to a power distribution facility, and to prevent a connection part from being exposed to the outside, thereby preventing a safety accident. Also, field management is easy, and management manpower can be reduced accordingly.

1 is a view in which a transformer installed on a mobile base for a transformer according to an embodiment of the present invention is linked to a distribution facility;
FIG. 2 is an enlarged view of a part of FIG. 1; FIG.
Figure 3 is a cross-sectional view of a mobile base for a transformer according to an embodiment of the present invention.
4 is a cross-sectional view taken along line AA of FIG. 3 ;

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. Embodiments of the present invention may be modified in various other forms, and the scope of the present invention is not limited only to the embodiments described below. The shapes and sizes of elements in the drawings may be exaggerated for clearer description, and elements indicated by the same reference numerals in the drawings are the same elements.

1 is a diagram illustrating a transformer installed on a movable base for a transformer according to an embodiment of the present invention connected to a distribution facility, and FIG. 2 is an enlarged view of a part of FIG. 1 . In addition, FIG. 3 is a cross-sectional view of a movable base for a transformer according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 .

1 to 4 , the movable base 100 for a transformer of this embodiment is a device for stably installing the ground transformer 10 .

Such a mobile base for transformer 100 is a place where there is a temporary transformer demand, such as a flooded area for power facilities due to a natural disaster, a dense residential area such as an apartment where the power transformer 10 is broken, an important event site, or an uninterruptible replacement site It can be moved and installed, and the ground transformer 10 can be stably installed using this.

The ground transformer 10 may include a transformer body 12 in which various parts for transformation are accommodated, and the transformer body 12 includes a high-voltage connection socket 14 for input of high-voltage power, and a low-voltage after transformation. A low voltage connection socket 16 for outputting power may be provided.

In addition, a door 13 for protecting the high voltage connection socket 14 and the low voltage connection socket 16 may be provided on the front part of the transformer body 12 so as to be able to open and close. In addition, the transformer body 12 may have an inner lower portion of the door 13 open, a cable may be connected through this space, and may be electrically connected to the movable base 100 for a transformer.

To this end, the movable base for transformer 100 may include a base body 110 provided at a predetermined height, and the base body 110 has an angle support 112 on which the transformer 10 is mounted. ) may be provided.

A plurality of slit grooves 114 into which fastening bolts for coupling the transformer 10 are inserted may be formed in the angle support unit 112 . A fastening bolt is inserted into the slit groove 114 to be fastened to the lower part of the transformer 10 , whereby the transformer 10 can be stably coupled to the angle support unit 112 .

The base body 110 is provided so that the ground transformer 10 can be spaced apart from the floor of the working surface at a predetermined height, and accordingly, it is possible to prevent moisture or dust from entering from the bottom of the working surface. there is. In addition, cables connected to a distribution line and the like may be installed in the lower portion of the base body 110 , and as the ground transformer 10 is provided at a predetermined height by the base body 110 , it is easy to connect these cables can do it

Specifically, a high-voltage cable junction box 120 may be provided on one side of the base body 110 .

In the high-voltage cable junction box 120 , at least one primary cable 122 having one end connected to the high-voltage cable 2 of the distribution line 1 to which power of 22.9 kV, which is an extra-high voltage, is supplied may be installed. In addition, a high-voltage side door 121 for internal opening and closing may be provided at the upper portion of the high-voltage cable junction box 120 .

Preferably, a high-voltage connector 124 for connection with the high-voltage cable 2 may be provided at one end of the primary cable 122 . In addition, the high-voltage cable 2 may be provided with a connection connector (not shown) corresponding to the high-voltage connector 124 of the primary cable 122 . In addition, a high-voltage connection terminal 126 connected to the high-voltage connection socket 14 of the ground transformer 10 may be provided at the other end of the primary cable 122 . Here, the high-voltage connection terminal 126 may be provided in the form of an elbow.

In addition, in the high-voltage cable (2) junction box 120, the primary cable 122 and high-voltage cable 2 ) may be provided with at least one fixing crete 128 for fixing it.

On the other hand, the primary cable 122 can be accommodated in a state where one end is installed in the high-voltage cable 2 junction box 120 and the other end is extended to the base body 110 .

In addition, the other side of the base body 110 may be provided in the low-voltage cable junction box (130).

The low-voltage cable junction box 130 may be provided with at least one secondary cable 132 having one end connected to the low-voltage cable 6 of the receiving line 5 for supplying low-voltage 380/220V power. . In addition, a low-pressure side door 131 for internal opening and closing may be provided at the upper portion of the low-voltage cable junction box 130 .

In addition, a low voltage connector 134 for connection with the low voltage cable 6 may be provided at one end of the secondary cable 132 . In addition, the low voltage cable 6 may be provided with a connection connector (not shown) corresponding to the low voltage connector 134 of the secondary cable 132 . In addition, a low voltage connection terminal 136 connected to the low voltage connection socket 16 of the ground transformer 10 may be provided at the other end of the secondary cable 132 .

In addition, at least one for fixing the secondary cable 132 and the low-voltage cable 6 to the low-voltage cable 6 junction box 130 so that the secondary cable 132 and the low-voltage cable 6 can be maintained in a fixed state. A cleat 138 for fixing may be provided.

On the other hand, the secondary cable 132 has one end installed in the low-voltage cable 6 junction box 130 , and the other end may be extended to the base body 110 and accommodated therein.

In addition, the base body 110 has the other end of the primary cable 122 extended from the high voltage cable 2 junction box 120 and the secondary cable 132 extended from the low voltage cable 6 junction box 130 . ), the high-voltage cable storage box 116 and the low-voltage cable storage box 118 in which the other ends are separately accommodated may be provided, respectively.

The operation of the movable base for the transformer configured as described above is as follows.

First, the movable base for transformer 100 is a state in which the other end of the primary cable 122 and the other end of the secondary cable 132 are accommodated in the high-voltage cable storage box 116 and the low-voltage cable storage box 118, respectively. (10) can be moved to a place to be installed.

And, when the movable base for transformer 100 is installed on the floor of the working surface, the ground transformer 10 is seated on the angle support of the base body 110, and the angle support and the transformer 10 using a fastening member. combine

Then, take out the primary cable 122 accommodated in the high-voltage cable storage box 116 and connect the high-voltage connection terminal 126 in the form of an elbow provided at the other end of the primary cable 122 to the high-voltage connection socket 14 of the transformer 10. insert

At the same time, the secondary cable 132 accommodated in the low voltage cable holder 118 is also coupled to the transformer 10 . At this time, after taking out the other end of the secondary cable 132 from the low-voltage cable storage box 118, the low-voltage connection terminal 136 provided at the other end of the secondary cable 132 to the low-voltage connection socket 16 of the transformer 10. insert

After the above process, when the installation of the transformer 10 on the movable base 100 for the transformer is completed, the high-voltage cable 2 and the primary cable of the extra-high voltage distribution line 1 to which the power of 22.9 kV is supplied. Connectors provided at one end of (122) are electrically connected to each other. In addition, one end of the secondary cable 132 and the connector respectively provided to the low voltage cable 6 of the low voltage receiving line 5 to which power of 380/220V is supplied are electrically connected.

The present invention is not limited by the above-described embodiments and the accompanying drawings, and it is common in the art that various types of substitutions, modifications and changes are possible within the scope without departing from the technical spirit of the present invention described in the claims. It will be obvious to those with knowledge.

1: Distribution line 2: High voltage cable
5: Receiver line 6: Low voltage cable
10: Transformer 12: Transformer body
14: high voltage connection socket 16: low voltage connection socket
100: mobile base for transformer 110: base body body
112: angle support 114: slit groove
116: high voltage cable storage box 118: low voltage cable storage box
120: junction box 122: primary cable
124: high voltage connector 126: high voltage connection terminal
128, 138: Creat 130: junction box
132: secondary cable 134: low voltage connector
136: low voltage connection terminal

Claims (6)

a base body provided at a predetermined height and having an angle support unit 112 on which a transformer is mounted;
a high-voltage cable junction box provided on one side of the base body, one end connected to a high-voltage cable of a distribution line, and the other end installed with at least one primary cable accommodated in the base body body; and
a low-voltage cable junction box provided on the other side of the base body, one end connected to the low-voltage cable of the power receiving line, and the other end installed with at least one secondary cable accommodated in the base body body;
A movable base for a transformer comprising a. The method according to claim 1,
A high-voltage connector for connection with the high-voltage cable is provided at one end of the primary cable,
A mobile base for a transformer provided with a high-voltage connection terminal connected to the high-voltage connection socket of the transformer at the other end of the primary cable. The method according to claim 1,
A low voltage connector for connection with the low voltage cable is provided at one end of the secondary cable,
A movable base for a transformer provided with a low voltage connection terminal connected to the low voltage connection socket of the transformer at the other end of the secondary cable. 4. The method according to any one of claims 1 to 3,
A mobile base for a transformer provided with a high-voltage cable storage box and a low-voltage cable storage box in which the other end of the primary cable and the other end of the secondary cable are separately accommodated in the base body. 4. The method according to any one of claims 1 to 3,
A movable base for a transformer that is formed on the angle support and includes a plurality of slit grooves into which fastening bolts are inserted for coupling of the transformer. 4. The method according to any one of claims 1 to 3,
The movable base for a transformer further comprising at least one fixing cleat installed in each of the high-voltage cable junction box and the low-voltage cable junction box to fix the primary cable and the secondary cable.

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