WO2001065652A1 - Borne de connexion et commutateur isole par gaz - Google Patents
Borne de connexion et commutateur isole par gaz Download PDFInfo
- Publication number
- WO2001065652A1 WO2001065652A1 PCT/JP2001/001143 JP0101143W WO0165652A1 WO 2001065652 A1 WO2001065652 A1 WO 2001065652A1 JP 0101143 W JP0101143 W JP 0101143W WO 0165652 A1 WO0165652 A1 WO 0165652A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- tank
- branch
- pushing
- insulated switchgear
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
- H02B5/06—Non-enclosed substations; Substations with enclosed and non-enclosed equipment gas-insulated
Definitions
- the present invention relates to a gas pushing and a gas insulated switchgear.
- a gas insulated switchgear is configured by housing various devices such as a switchgear in a metal case filled with an insulating gas and grounding the tank. Gas pushing is used on the way from the overhead line to devices such as switchgear.However, if the mounting position of the gas pushing is low and it is close to the ground surface, a high electric field will be generated near the ground surface, and people and objects in the vicinity It may have an adverse effect. Conventionally, therefore, a ground shield for electric field control has been attached to the outer periphery of the lower portion of the pushing, and a mounting position of the gas bushing has been increased. Disclosure of the invention
- a typical object of the present invention is to provide a gas pusher having a lower layer, and a pusher or a pusher having a reduced ground surface electric field intensity without providing a grounding shield or the like for electric field control. It is to provide a gas insulated switchgear.
- Another representative object of the present invention is to reduce the burden on workers.
- the present invention provides a bushing lower tank provided below a gas bushing, in a direction substantially perpendicular to a central axis of the gas bushing, At least three (or four or more) branch tanks should be installed.
- FIG. 1 is a front view showing a configuration of a gas insulated switchgear according to a first embodiment of the present invention
- FIG. 3 is a plan view showing the configuration near the pushing
- FIG. 3 is a side view showing the configuration near the gas pushing of the gas insulated switchgear shown in FIG. 1, and FIG. 4 is a second embodiment of the present invention.
- FIG. 5 is a front view showing a configuration near a gas pushing of the gas insulated switchgear according to the embodiment
- FIG. 5 is a plan view showing a configuration near the gas pushing of the gas insulated switchgear shown in FIG. 4
- FIG. 7 is a side view showing a configuration near a gas pushing of the gas insulated switchgear shown in FIG. 4
- FIG. 7 is a front view showing a configuration near a gas bushing of a gas insulated switchgear according to a third embodiment of the present invention.
- Fig. 8 shows the gas-insulated switchgear shown in Fig. 7.
- FIG. 7 shows the gas-insulated switchgear shown in Fig. 7.
- FIG. 7 shows the gas-insulated switchgear shown in Fig. 7.
- FIG. 7 shows the gas-insulated switchgear shown in Fig. 7.
- FIG. 9 is a plan view showing the configuration near the gas pushing of FIG. 9.
- FIG. 9 is a side view showing the configuration near the gas pushing of the gas insulated switchgear shown in FIG. 7.
- FIG. 10 is a fourth view of the present invention.
- FIG. 11 is a front view showing a configuration near a gas bushing of a gas insulated switchgear according to an embodiment.
- FIG. 11 is a side view showing a configuration near a gas bushing of a gas insulated switchgear according to a fifth embodiment of the present invention.
- FIG. BEST MODE FOR CARRYING OUT THE INVENTION First, a first embodiment of the present invention will be described with reference to FIGS.
- FIG. 1 is a front view showing the configuration of the gas insulated switchgear according to the present embodiment
- FIG. 2 is a plan view showing the configuration near the gas bushing shown in FIG. 1
- FIG. 3 shows the configuration near the gas pushing shown in FIG. It is a side view.
- this gas insulated switchgear consists of a gas pusher 1, a pusher lower tank 2, a tank type lightning arrester 3, a wire wound or light conversion transformer 4, a gas insulated busbar 5, a cover 6, and a disconnector 7. , Current transformers 8, circuit breakers 9, main buses 10, etc.
- the gas pushing 1 is made of an insulator on the outside and a conductor on the center axis. Electric power from the overhead wire is transmitted from the service line on the upper part of the gas pusher 1 to the lower tank 2 of the pusher through the conductor on the central shaft of the insulator.
- Pushing lower tank 2 Tank type lightning arrester 3, Winding or light conversion type transformer 4, Gas insulated bus 5, Cover 6, Disconnector 7, Current transformer 8, Circuit breaker 9, Main bus 10
- Each device is constructed by storing various devices such as switchgear in a metal case (hereinafter abbreviated as tank) filled with insulating gas, and the dunk is grounded.
- tank metal case
- the bushing lower tank 2 of the gas pushing 1 has a branch portion in a direction substantially perpendicular to the central axis of the gas pushing 1 and in four directions.
- each branch is provided at approximately every 90 °, and each branch is provided with a tank-type lightning arrester 3, a wound linear or light conversion type transformer. 4.
- Each tank of gas-insulated busbar 5 and cover 6 is connected.
- the electric power guided to the pushing lower tank 2 passes through the gas-insulated bus 5, and is led to the disconnector 7, the transformer 8, and the main bus 10.
- the electric power led from the overhead wire is led from the lower bushing tank 2 to the tank arrester 3.
- Tank-type lightning arrester 3 usually has high resistance, but has low resistance in an emergency such as when lightning strikes an overhead line, and plays the role of lightning arrester.
- a wound or light conversion type transformer 4 is installed for the purpose of measuring the voltage of the overhead wire.
- the cover 4 is not used for a specific application such as lightning storm or measurement, but it does not reduce the electric field distribution near the gas pushing described later. It was set up for the purpose.
- the pushing lower tank As described above, according to the gas insulated switchgear of the present embodiment, the pushing lower tank
- tank type surge arrester 3 Since the tank type surge arrester 3, transformer 4, gas insulated busbar 5, and cover 6 that are branched from 2 are at the ground potential, the electric field distribution near the gas pusher, as shown in Fig. 3, The tank-type surge arrester 3, the transformer 4, the gas-insulated bus 5, and the cover 16 branch from the upper part of each tank, and the electric field near the ground plane near the gas bushing can be reduced. And the adverse effects on goods and goods can be eliminated.
- each tank connected to each branch needs to be installed at least at a position higher than the height of a person. As a result, it is possible to avoid affecting people and objects near the gas pushing.
- the tank type lightning arrester 3, transformer 4, gas-insulated busbar 5, and cover 6 branching off from the lower tank 2 of the pushing were installed with an electric field strength of 10 OV / cm at a height of 1 meter above the ground. It is desirable to be provided so as not to exceed.
- Cover 6 has a rating of 2.5 meters or more when the rated voltage is 550 KV or more, and 1 .0 when the rated voltage is less than 550 KV. If the rated voltage is 5 meters or more and the rated voltage is less than 30 OKV and 16 or more, it is desirable that the value be 1.0 meters or more.
- FIG. 4 is a front view showing the configuration near the gas bushing of the gas insulated switchgear according to the present embodiment
- FIG. 5 is a plan view showing the configuration near the gas pushing shown in FIG. 4
- FIG. 6 is the neighborhood near the gas pushing shown in FIG. It is a side view which shows the structure of.
- 12 is a feeder connected to the branch of the lower pushing tank 2. It is a grounding switch for electric wires, and the other configurations correspond to the configurations with the same reference numerals shown in Figs.
- the gas insulated switchgear of the present embodiment has a grounding switch for power transmission line 12 connected in place of the cover 6 of the first embodiment.
- Tank type lightning arrester 3, transformer 4, gas insulated busbar 5, and grounding switch 12 for transmission line that branch off from lower tank 2 of the bushing have ground potential, so tank type that branches off from lower tank 2 of bushing
- the electric arrester 3, transformer 4, gas-insulated bus 5, and transmission line earthing switch 12 reach the upper level of each tank, and the electric field near the grounding surface near the gas pushing can be reduced.
- FIG. 7 is a front view showing the configuration near the gas bushing of the gas insulated switchgear according to the present embodiment
- FIG. 8 is a plan view showing the configuration near the gas bushing shown in FIG. 7
- FIG. 9 is the gas bushing shown in FIG. It is a side view which shows the structure of a vicinity.
- reference numeral 13 denotes a gas-insulated bus bar connected to the branch portion of the pushing lower tank 2, and the other components correspond to the components having the same reference numerals shown in FIGS.
- the gas insulated switchgear of the present embodiment has a gas insulated busbar 13 connected in place of the cover 6 of the first embodiment.
- the gasket lowering tank 2 Tank arrestor 3, transformer 4, and gas-insulated bus 5 and 13 that are branched from the tank are grounded, so tank arrestor 3, transformer 4, and gas-insulated bus 5 that branch off from the lower pushing tank 2.
- the electric field near the grounding surface near the gas bushing can be reduced by reaching the upper level of each tank of, 13.
- FIG. 10 is a front view showing the configuration near the gas pushing of the gas insulated switchgear according to the present embodiment.
- a dunk-type lightning arrester 3 a wound or light conversion type transformer 4, and a gas-insulated busbar 5 are provided at regular intervals of 120 degrees.
- the other configurations correspond to the configurations of the same reference numerals shown in FIGS.
- the first embodiment is composed of a tank type surge arrester 3, a wound or light conversion type transformer 4, a gas insulated busbar 5 and a cover 6 as opposed to a gas tank of the present embodiment.
- the insulated switchgear can be composed of three tanks, a tank type lightning arrester 3 and a wound or light conversion type transformer 4, and the electric field near the installation surface near the gas pushing can be reduced more easily. Even if the interval between the tanks is not 120 degrees, if any of them is larger than 90 degrees, the electric field near the installation surface near the gas bushing can be reduced.
- FIG. 11 is a side view showing a configuration near a gas bushing of the gas insulated switchgear according to the present embodiment.
- a grounding shield 20 for electric field control is branched from the pushing lower tank 2.
- the other configurations correspond to the configurations of the same reference numerals shown in FIGS. .
- the cover 6 is branched from the bushing lower tank 2.
- the electric field near the installation surface near the gas bushing can be similarly reduced by the ground shield 20 for electric field control, and can be realized with a simpler structure.
- the present invention since the ground potential is applied to each tank branched from the lower tank of the pushing, the electric field near the ground plane near the gas pushing can be reduced, and the adverse effect on people and objects can be eliminated.
- the lower bushing shield which was conventionally required, can be omitted, and the gas bushing mounting position can be lowered.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001564429A JP3876356B2 (ja) | 2000-02-28 | 2001-02-16 | ガス絶縁開閉装置 |
KR1020027002205A KR20020079724A (ko) | 2000-02-28 | 2001-02-16 | 부싱 및 가스절연개폐장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-52033 | 2000-02-28 | ||
JP2000052033 | 2000-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001065652A1 true WO2001065652A1 (fr) | 2001-09-07 |
Family
ID=18573609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/001143 WO2001065652A1 (fr) | 2000-02-28 | 2001-02-16 | Borne de connexion et commutateur isole par gaz |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP3876356B2 (ja) |
KR (1) | KR20020079724A (ja) |
CN (1) | CN1393048A (ja) |
WO (1) | WO2001065652A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015220831A (ja) * | 2014-05-16 | 2015-12-07 | 株式会社日立製作所 | 電力用開閉器 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2111871A1 (ja) * | 1970-10-28 | 1972-06-09 | Rhein Westfael Elect Werk Ag | |
JPH01109210U (ja) * | 1988-01-12 | 1989-07-24 | ||
JPH07123547A (ja) * | 1993-10-25 | 1995-05-12 | Toshiba Corp | ガス絶縁開閉装置 |
JPH1051913A (ja) * | 1996-08-01 | 1998-02-20 | Hitachi Ltd | ガス絶縁複合開閉装置 |
JPH10112906A (ja) * | 1996-10-02 | 1998-04-28 | Toshiba Corp | ガス絶縁開閉装置 |
JPH10210613A (ja) * | 1997-01-21 | 1998-08-07 | Hitachi Ltd | 複合形ガス絶縁開閉装置 |
-
2001
- 2001-02-16 CN CN01802847A patent/CN1393048A/zh active Pending
- 2001-02-16 JP JP2001564429A patent/JP3876356B2/ja not_active Expired - Fee Related
- 2001-02-16 KR KR1020027002205A patent/KR20020079724A/ko not_active Application Discontinuation
- 2001-02-16 WO PCT/JP2001/001143 patent/WO2001065652A1/ja not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2111871A1 (ja) * | 1970-10-28 | 1972-06-09 | Rhein Westfael Elect Werk Ag | |
JPH01109210U (ja) * | 1988-01-12 | 1989-07-24 | ||
JPH07123547A (ja) * | 1993-10-25 | 1995-05-12 | Toshiba Corp | ガス絶縁開閉装置 |
JPH1051913A (ja) * | 1996-08-01 | 1998-02-20 | Hitachi Ltd | ガス絶縁複合開閉装置 |
JPH10112906A (ja) * | 1996-10-02 | 1998-04-28 | Toshiba Corp | ガス絶縁開閉装置 |
JPH10210613A (ja) * | 1997-01-21 | 1998-08-07 | Hitachi Ltd | 複合形ガス絶縁開閉装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20020079724A (ko) | 2002-10-19 |
JP3876356B2 (ja) | 2007-01-31 |
CN1393048A (zh) | 2003-01-22 |
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