KR100960365B1 - High integrated power incoming panel - Google Patents

Abstract

PURPOSE: A high integrated incoming panel is provided to make better use of a space by arranging a plurality of housings with a straight line, a slant line, or zig-zag type. CONSTITUTION: A housing is divided into a busbar chamber(110) and equipment room(120) with a horizontal partition wall(101). A perpendicular bushing(102) is installed by passing through the horizontal partition wall. A bus line(103) is connected to the perpendicular bushing. A first and a second fitting groove are formed in one side of the busher compartment. A first and a second coupling rib are formed in the other side of the busher compartment. A gas discharge valve(109) is installed in the horizontal partition wall of the housing. The gas discharge valve is opened and closed with a pressure sensing sensor(108).

Description

Highly Integrated Closed Power Board {HIGH INTEGRATED POWER INCOMING PANEL}

The present invention relates to a highly integrated closed power panel, and more particularly, while each component of the power panel can be stably disposed in a closed space, the installation of the housing forming the power panel can be facilitated. The present invention relates to a highly integrated closed power board that can improve space utilization as the housing may be disposed in an oblique or zigzag form.

Generally, group power demands such as schools, buildings, apartment complexes, factories, etc. are equipped with substations that receive, for example, 22,900V extra-high voltage power from substations and convert them to low voltages such as 220V to obtain the required power. . Such a water substation device may be divided into a part for receiving a high voltage (a power panel), a part for transforming a high voltage to a low pressure (station), and a part for distributing a lowered voltage to each accommodation such as an apartment (distribution panel). The power panel is connected to an extra high voltage cable, for example, a load breaker (LBS) serving as an inlet of a water substation device, a power fuse (PF) that is a short circuit protection fuse of an extra high voltage device, and a high voltage to low voltage to measure the amount of power. Instrument transformer (MOF), vacuum circuit breaker (VCB) that cuts off the voltage in the event of an abnormality such as a short circuit. The conventional water substation apparatus includes devices such as a load breaker (LBS), a power fuse (PF), an instrument transformer (MOF), and a vacuum circuit breaker (VCB) constituting a power switchboard with a large transformer as its center. Since it is arranged in a planar manner and sufficient distance between devices is to be maintained in the first half in consideration of safety such as electric shock accident, a large installation area was required to install a water substation device including a power panel. There is a problem that causes an increase. On the other hand, since the size of the panel housing is generally manufactured according to a predetermined standard, the overall shape of the panel panel may be affected by the minute size error between the housings during construction of the panel, or most housings should be disposed in a straight line. The power panel construction space also has a problem in that the layout of the housing must be considered.

The present invention has been made to solve the above problems of the prior art, it is possible to arrange each component of the power panel in a stable sealed space, and to facilitate the installation of the housing forming the power panel The purpose of the present invention is to provide a highly integrated closed power board that can improve the space utilization by allowing the housing to be arranged in a straight line as well as in a diagonal or zigzag form.

In order to achieve the above object, the present invention is connected to a plurality of vertical bushings and vertical bushings installed through the horizontal bulkhead in a plurality of housings spaced apart by a horizontal bulkhead into an upper mother bus chamber and a lower device chamber. In the high-density closed switchgear, which is electrically connected to each other by a bus line and sequentially forms a high-voltage switchgear, a transformer transformer transformer base, a transformer transformer base, and a special cut-off base, wherein the transformer transformer transformer base and the instrument transformer A first fitting groove is formed at one side of the upper half of the housing bus chamber, and the other side is provided with a '체결' shaped first fastening rib fitted in a sliding manner to the first fitting groove, and at the lower side of the housing chamber, the first fitting groove is provided. The second fitting groove is formed in the same shape as the shape and the other side is the same shape as the first fastening rib to be fitted in the sliding manner to the second fitting groove. Is provided with a second fastening rib having, the upper surface of the transformer-based current transformer based housing and the first fastening ribs are arranged horizontally, the first fitting on the upper side of the housing bus chamber of the high-voltage switchgear and the extra high cut-off housing, respectively A groove and a first fastening rib are provided, and the second fitting groove and the second fastening rib are formed at one side of the lower part of the housing unit chamber, respectively, and the high voltage switchgear, the transformer transformer transformer base, the transformer transformer base, and the special shutoff base are electrically connected. The bus bar is installed to penetrate through the first long hole formed in the inner wall of the housing bus chamber, and the horizontal bushing is installed on the output bus line connected to the output end of the load breaker provided in the high voltage switchgear equipment room. And a second transformer formed in the horizontal direction on the inner wall of the instrument chamber based on the transformer current transformer for the instrument. Gas discharge valves that are opened and closed by a pressure sensor are further installed on each of the upper and horizontal bulkheads of the transformer transformer current base, the instrument transformer base, and the special barrier-based housing.

In addition, the bus bar and the horizontal bushing is installed through the first and second long holes of the housing, characterized in that the additional panel for sealing the open portion of the first and second long holes is fixed with screws.

As described above, the highly integrated closed power panel according to the present invention has a plurality of housings, each of which is divided into a mother compartment and an equipment chamber by horizontal bulkheads, and includes a high voltage power panel, a transformer transformer transformer base, a transformer transformer transformer base, and a special cut-off base. Formed sequentially, each component of the closed power board can be placed in a stable enclosed space, and the housing is easily installed by the first and second fitting grooves and the first and second fastening ribs provided in the housing. At the same time as the housing can be arranged in a straight line as well as a diagonal or zigzag form can improve the space utilization.

Hereinafter, a highly integrated closed power board according to the present invention will be described with reference to the drawings.

1 is a cross-sectional view showing a highly integrated closed power board according to the present invention, Figure 2 is a perspective view showing a highly integrated closed power board according to the present invention, Figure 3 is used in a highly integrated closed power board according to the present invention It is a perspective view which shows the added back plate.

The highly integrated closed power panel according to the present invention penetrates the horizontal partition wall 101 in a plurality of housings 100 which are spaced apart into an upper busbar chamber 110 and a lower device chamber 120 by a horizontal partition wall 101. A plurality of vertical bushings 102 and bus bars 103 connected to the vertical bushings 102 are electrically connected to each other so as to be connected to each other. The transformer panel 150 and the special high blocking base 160 form a special high pressure plate sequentially formed according to the power supply sequence of the power system, and the plurality of housings 100 have a structure that can be coupled to each other according to a sliding method. do.

A plurality of buses 103 are horizontally installed in the bus chamber 110 formed by the horizontal bulkhead 101 installed in the housing 100, and various power devices such as a circuit breaker, a protector, and a relay are provided in the equipment chamber 120. 120 is fixed to the lower surface or the side wall. In addition, the busbar 103 of the busbar chamber 110 is electrically connected to a power device such as a load switch 131 and an arrester installed in the device chamber 120 through a plurality of vertical bushings 102 installed in the horizontal bulkhead 101. .

In the device chamber 120 of the high-voltage switchgear 130, a load switch 131 and an arrester are installed to receive extra high voltage, and in the case of power fuse melting, it is possible to prevent phase loss and protect against abnormal voltage. The equipment room 120 of the transformer current transformer 140 includes a transformer current transformer for measuring the amount of power supplied to the customer. In addition, the instrument transformer 120 is installed in the instrument chamber 120 of the instrument transformer panel 150 to measure the voltage value, and the instrument chamber 120 of the high-frequency cut-off base 160 includes an instrument current transformer, a vacuum circuit breaker, and a surge absorber. It is installed to perform the function of changing the current value, opening / closing the load current, and opening the circuit when an abnormal condition occurs.

Hereinafter will be described the structure of the housing of the high-density closed power panel according to the present invention.

The first fitting groove 104 is formed at one side of the upper portion of the housing 100 of the housing transformer transformer base 140 and the instrument transformer transformation base 150, and the first fitting groove 104 is formed at the other side thereof. ) Is provided with a '체결' shaped first fastening rib 105 fitted in a sliding manner, and a second fitting groove having the same shape as the first fitting groove 104 in one side of the lower portion of the housing 100 and the machine room 120. The second fastening rib 107 having the same shape as the first fastening rib 105 is formed on the other side and is formed on the other side thereof so as to fit in the second fitting groove 106 in a sliding manner. Through such a structure, the housing transformer 100 of the transformer transformation base 140 and the instrument transformer base 150 can be easily coupled to each other according to a sliding method in a horizontal direction, and the housing 100 can be disposed in a diagonal shape. For this reason, it is not possible to cope with the case where the closed power board is installed in the diagonal space. Is Li. Here, it is preferable that the size or shape of the upper surface of the instrument transformer current transformer 140 housing 100 and the upper surface of the first fastening rib 105 are horizontally disposed so that there is no portion protruding upward.

The housing 100 of the high-voltage power panel 130 and the high-frequency cut-off base 160 have first and second fastening ribs 105 and 107 and first and second fitting grooves 104 and 106 removed therefrom. It has a structure, more specifically, the first fitting groove 104 and the first fastening rib (1) in the upper side of the housing 100, the bus chamber 110 of the high-voltage power panel 130 and the extra-high cut-off base 160, respectively ( 105 is provided and the housing 100 consisting of four housings 100 as shown in the drawing through the structure in which the second fitting groove 106 and the second fastening ribs 107 are formed at one side of the lower part of the device chamber 120, respectively. It has an integrated form.

The busbar 103 for electrically connecting the high-voltage power panel 130, the transformer transformer current transformer 140, the instrument transformer transformer 150, and the special cut-off base 160 may include a housing 100 and a bus chamber 110. Installed in the output bus 132 connected to the output terminal of the load switch 131 provided in the device chamber 120 of the high voltage switchgear 130. The horizontal bushing 133 is installed through the second long hole 134 formed in the horizontal direction on the inner wall of the housing 100 of the high-voltage power panel 130 and the instrument transformer current transformer 140. Accordingly, by adjusting only the length or position of the bus bar 103 and the output bus bar 132 along the first and second long holes 111 and 134, the plurality of housings 100 may be arranged in a diagonal shape.

Here, the first and second long holes 111 and 134 of the plurality of housings 100 penetrate and install components such as the bus bar 103 and the horizontal bushing 133, and then the first and second long holes 111 and 134. In order to seal the open portion of each of the two housings by screwing the backing panels 170 and 180 having the cut portion so that the bus bar 103 and the horizontal bushing 133 are fitted as shown in FIG. 100) to be kept closed.

In addition, the high-voltage power panel 130, the transformer transformer current transformer 140, the instrument transformer transformer 150 and the high-cutting block 160, the upper portion of the housing 100 and the horizontal bulkhead 101, respectively The gas discharge valve 109, such as a solenoid valve that is opened and closed by the pressure sensor 108 provided in the bus chamber 110 or the equipment chamber 120 is further installed to generate a pressure higher than the reference value in the housing 100. The pressure sensor 108 opens the gas discharge valve 109 to reduce the internal pressure. Here, the pressure sensor 108 may be supplied with the operating voltage from the secondary side of the battery, current transformer, transformer, transformer.

1 is a cross-sectional view showing a highly integrated closed power panel according to the present invention.

Figure 2 is a perspective view of a highly integrated closed power board according to the present invention.

Figure 3 is a perspective view showing an adder plate used in a high-density closed power panel according to the present invention.

Claims (2)

A plurality of vertical bushings 102 installed through the horizontal partition wall 101 in a plurality of housings 100 space-separated into the upper side bus chamber 110 and the lower device chamber 120 by the horizontal partition wall 101. And by the bus 103 connected to the vertical bushing 102 and electrically connected to each other, the high-voltage power panel 130, the transformer transformer transformer base 140, the transformer transformer base 150 and the special cut-off base ( In the highly integrated closed power panel to form 160 sequentially, The first fitting groove 104 is formed at one side of the upper portion of the housing 100 of the housing transformer transformer base 140 and the instrument transformer transformation base 150, and the first fitting groove 104 is formed at the other side thereof. ) Is provided with a '체결' shaped first fastening rib 105 fitted in a sliding manner, and a second fitting groove having the same shape as the first fitting groove 104 in one side of the lower portion of the housing 100 and the machine room 120. The second fastening ribs 107 having the same shape as the first fastening ribs 105 are provided on the other side thereof so as to be fitted in the second fitting groove 106 in a sliding manner. Transformer transformer base 140, the upper surface of the housing 100 and the upper surface of the first fastening rib 105 is disposed horizontally, The first fitting groove 104 and the first fastening rib 105 are provided at one side of the upper portion of the housing 100 of the high-voltage power panel 130 and the high-frequency cut-off base 160, respectively, and the housing 100. The second fitting groove 106 and the second fastening rib 107 are formed at one side of the lower part of the machine room 120, respectively. The busbar 103 for electrically connecting the high-voltage power panel 130, the transformer transformer current transformer 140, the instrument transformer transformer 150, and the special cut-off base 160 may include the housing 100 of the main chamber ( 110 is an output bus line 132 installed through the first long hole 111 formed in the horizontal direction on the inner wall and connected to the output terminal of the load switch 131 provided in the high-voltage power switchboard 130 and the machine room 120. The horizontal bushing 133 is installed in the high-voltage power panel 130 and the second transformer 134 formed in the horizontal direction on the inner wall of the device chamber 120 of the housing 100 of the transformer current transformer base 140 for the instrument , The pressure sensing sensor 108 is provided on the upper and horizontal bulkheads 101 of the high-voltage power panel 130, the transformer transformer current transformer 140, the instrument transformer transformer 150, and the special shut-off base 160, and the housing 100. Highly integrated closed water discharging panel, characterized in that the gas discharge valve 109 is opened and closed by the). The method according to claim 1, The bus bar 103 and the horizontal bushing 133 pass through the first and second long holes 111 and 134 of the housing 100, and then open the first and second long holes 111 and 134. Highly integrated closed switchgear, characterized in that the attachment panel (170, 180) for sealing the portion is fixed with a screw.

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