JPH0626237U - Oil-filled condenser device - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] An oil-filled capacitor is insulated and housed in a grounded metal container, an insulating medium is filled in the metal container, and an oil amount adjusting device is provided outside the metal container. When configuring the condenser device by installing the
It is an object of the present invention to simplify the configuration of leading the conductor of an oil-filled capacitor to the outside. [Structure] A connection conductor 5 having a through hole at the center and to which a conductor from a capacitor body is connected is installed in an oil-filled capacitor. Oil guide pipe 1 communicating with the through hole of this connecting conductor
The inside of the oil-filled condenser is communicated with the oil amount adjusting device via 0. The lead conductor 17 is connected to this connecting conductor, and the conductor of the oil-filled capacitor is led to the outside via the lead conductor.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an oil-filled condenser device.

[0002]

[Prior art]

 In a capacitor device that uses an oil-filled capacitor, in order to insulate it from the ground, the oil-filled capacitor is insulated and hermetically housed in a grounded metal container, and an insulating medium such as insulating gas or insulating oil is placed in the metal container. May be filled and configured. In this case, this type of oil-filled capacitor needs an oil amount adjustment function against the temperature difference at the time of energizing and stopping or the ambient temperature change.

Therefore, when a tank type oil-filled condenser is used as the oil-filled condenser, an oil amount adjusting device such as a feeding tank or a conservator is attached to the oil-filled condenser, and the oil-filled condenser is installed in a metal container. If so, a large volume of metal container is required.

In order to solve this problem, the inventor has a configuration in which an oil amount adjusting device is installed outside the metal container and the oil amount adjusting device and the inside of the oil-filled condenser are connected by an oil guiding pipe. Proposed separately by. This has the advantage that it is not necessary to use a large volume metal container.

On the other hand, when an oil-filled capacitor is installed inside the metal container, it is necessary to install a connection conductor in the oil-filled capacitor in order to lead out the conductor drawn from the capacitor body of the oil-filled capacitor to the outside. There is. Therefore, in this oil-filled capacitor, in addition to the oil-conducting pipe described above, a connection conductor for external derivation must be installed, and the configuration for that is extremely complicated.

[0006]

SUMMARY OF THE INVENTION According to the present invention, an oil-filled capacitor is insulated and housed in a grounded metal container, and the metal container is filled with an insulating medium such as insulating gas or insulating oil. It is an object of the present invention to simplify the structure for deriving the capacitor oil and the structure for deriving the conductor of the oil-filled capacitor to the outside when the capacitor device is constructed by installing the oil amount adjusting device outside the container.

[0007]

[Means for Solving the Problems]

 The present invention installs a connecting conductor, which has a through hole in the center and is connected with a conductor from a capacitor element body, on an oil-filled capacitor, and through an oil guiding pipe communicating with the through hole of the connecting conductor, The inside of the oil-filled capacitor is communicated with the oil amount adjusting device, the lead-out conductor is connected to this connecting conductor, and the conductor of the oil-filled capacitor is led out through the lead-out conductor. .

[0008]

[Action]

 The inside of the oil-filled capacitor communicates with the oil amount adjusting device outside the metal container via the through hole of the connecting conductor, and the capacitor oil inside the oil-filled capacitor is adjusted by this oil amount adjusting device. Therefore, it is not necessary to install the oil quantity adjusting device inside the metal container, and a metal container with a small volume is sufficient.

On the other hand, a lead conductor is connected to the connection conductor, and the capacitor element inside the oil-filled capacitor is led to the outside via the lead conductor. That is, the connecting conductor serves both for connecting the above-mentioned capacitor oil to the oil amount adjusting device and for pulling out the capacitor element to the outside.

[0010]

【Example】

 An embodiment of the present invention will be described with reference to the drawings. 1 is a grounded metal container, 2 is an oil-filled capacitor that requires an oil amount adjusting mechanism, for example, a tank-type oil-filled capacitor, which is sealed in the metal container 1 and insulated from the metal container 1. Will be installed. For example, it is supported in the metal container 1 by a suitable insulator 3. The metal container 1 is filled with an insulating medium such as insulating gas or insulating oil.

On the upper portion of the oil-filled capacitor 2, for example, the upper lid thereof, a connecting conductor 5 having a through hole 4 in the center is insulated and installed. For this purpose, for example, a bushing 6 having a central conductor therein may be fixed, and this central conductor may be used as the connecting conductor 5. Reference numeral 7 is a metal fitting for fixing the bushing 6. The connection conductor 5 is connected to a conductor 9 drawn out from the capacitor body 8, and one end of the through hole 4 is opened inside the oil-filled capacitor 2.

A conductive oil guide pipe 10 is connected to the other end of the connection conductor 5. Further, an insulating spacer 11 is installed on the metal container 1, and an oil guide pipe 10 is connected to a pipe body 12 supported by the insulating spacer 11. The pipe body 12 is open to the oil pocket chamber 13. The oil pocket chamber 13 communicates with an oil amount adjusting device 15 via a pipe 14. 16 is condenser oil.

When the amount of the condenser oil 16 inside the oil-filled condenser 2 increases or decreases, the condenser oil 16 flows into and out of the oil pocket chamber 13 through the through hole 4, the oil guide pipe 10, and the pipe body 12 of the connecting conductor 5. Further, it flows into and out of the oil amount adjusting device 15. As a result, the required amount of oil is adjusted.

As a result, even when a capacitor requiring an oil amount adjusting mechanism is used as the oil-filled capacitor 2, since the oil amount adjusting device 15 is installed outside the metal container 1, the metal container 1 has a large volume. There is no need to use stuff.

On the other hand, a lead conductor 17 is connected to the oil guide pipe 10 connected to the connection conductor 5. An insulating spacer 18 is attached to the metal container 1, and a lead conductor 17 is connected to a conductor 19 supported by the insulating spacer 18. The conductor 19 is connected to another electric device outside. Therefore, the capacitor body 8 is led out to the outside via the conductor 9, the connecting conductor 5, the oil guide pipe 10, the lead conductor 17, and the conductor 19.

According to this structure, the connection conductor 5 having the through-hole 4 is simply installed in the oil-filled capacitor 2 to connect the oil-filled capacitor 2 to the oil amount adjusting device 15 and the capacitor. It can also be used to lead the element body 8 to the outside, so that it is not necessary to separately provide a structure for each purpose.

As the lead conductor 17, a pipe-shaped conductor may be used as shown in the drawing and may be connected to the oil guide pipe 10. In this way, when the condenser oil 16 in the oil-filled condenser 2 increases or decreases, it also flows into and out of the lead-out conductor 17, which is convenient because the lead-out conductor 17 is cooled.

Further, the drain valve 20 is provided in the oil pocket chamber 13 to collect the capacitor oil in the oil pocket chamber 13 to analyze the capacitor oil, the deterioration state thereof, and the abnormality inside the oil-filled capacitor. It becomes possible to detect the occurrence.

[0019]

[Effect of device]

 As described in detail above, according to the present invention, when the oil-filled capacitor is installed insulated from the grounded metal container and the oil amount adjusting device is installed outside the metal container, the inside of the oil-filled capacitor is The structure that communicates with the oil amount adjusting device and the structure that draws out the capacitor element body of the oil-filled capacitor to the outside can be combined, and therefore, the structure required for the oil-filled capacitor can be simplified. .

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of a part of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Metal container 2 Oil-filled capacitor 3 Insulator 4 Through hole 5 Connection conductor 8 Capacitor element body 9 Conductor from capacitor element body 10 Oil guide pipe 11 Insulation spacer 15 Oil amount adjusting device 17 Extraction conductor 18 Insulation spacer 19 Conductor

Claims (1)

[Scope of utility model registration request] 1. An oil-filled capacitor device in which an oil-filled capacitor that requires an oil amount adjusting mechanism is insulated and housed in a grounded metal container, and an insulating medium is filled in the metal container. Has a through hole, the connection conductor to which the conductor from the capacitor body of the oil-filled capacitor is connected is installed in the oil-filled capacitor, through an oil guide pipe communicating with the through hole of the connection conductor, An oil-filled capacitor device in which the inside of the oil-filled capacitor is connected to the oil amount adjusting device, a lead-out conductor is connected to the connection conductor, and the conductor of the oil-filled capacitor is led out through the lead-out conductor. .