CN103326272A - Combined type high-voltage composite apparatus and unipolar structure thereof - Google Patents
Combined type high-voltage composite apparatus and unipolar structure thereof Download PDFInfo
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- CN103326272A CN103326272A CN2013102089072A CN201310208907A CN103326272A CN 103326272 A CN103326272 A CN 103326272A CN 2013102089072 A CN2013102089072 A CN 2013102089072A CN 201310208907 A CN201310208907 A CN 201310208907A CN 103326272 A CN103326272 A CN 103326272A
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- circuit breaker
- current transformer
- type high
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- cylindrical shell
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
Abstract
The invention discloses a combined type high-voltage composite apparatus and a unipolar structure of the combined type high-voltage composite apparatus. The unipolar structure comprises a breaker which moves along a leftward-rightward divide-shut brake, wherein two current transformers which are arranged at intervals in a left-right mode are vertically and fixedly arranged at the upper portion of the breaker, a straight line transmission type three-station isolated grounding switch which moves along the leftward-rightward divide-shut brake is fixedly arranged at the upper portion of the right side current transformer, a line incoming casing pipe unit which is inclined in the upper right direction is fixedly arranged at the right end of the three-station isolated grounding switch, and a line outgoing casing pipe unit which is inclined in the upper left direction is fixedly arranged at the upper portion of the left side current transformer. Space is fully utilized due to the arrangement, and the combined type high-voltage composite apparatus has the advantages of being simple in structure and reasonable in arrangement. More importantly, the vertical installation mode is adopted by all the monopoles, therefore, loads are evenly borne by interphase transmission connection parts, and the mechanical stability is good.
Description
Technical field
The present invention relates to the gas-insulating and fully-enclosed composite type high-voltage combined electrical apparatus of a kind of SF6 and monopolar configuration thereof.
Background technology
Combined electrical apparatus is the High-Voltage Electrical Appliances with two or more, form a whole by the requirement of electric power system main electrical scheme, and each High-Voltage Electrical Appliances still keeps the device of former regulation performance, is divided into open type and totally enclosed type by insulation system.Combined electrical apparatus is generally multipole layout, each one pole is absolute construction, therefore, the High-Voltage Electrical Appliances in single-phase are selected and assembly, and the overall performance (such as structure, volume size, alternate transmission synchronism, mechanical stability etc.) of whole combined electrical apparatus is all had a great impact.
A kind of composite type high-voltage combined electrical apparatus is disclosed such as Chinese patent CN101989733A, be closed, spaced apart three one poles before and after comprising, each one pole comprises the circuit breaker that is fixed on the support, be installed with three spaced apart three station isolation grounding switchs in the left and right sides on the circuit breaker, wherein, three station isolation grounding switchs of the rightmost side are by setting firmly to such an extent that the multiple current instrument transformer is installed with sleeve pipe on it, and directly set firmly sleeve pipe on two other three station isolation grounding switch; In three one poles, three three station isolation grounding switchs that middle one pole is corresponding all are installed in the top of circuit breaker, namely vertically install, and three station isolation grounding switchs that the limit phase electrode pair of both sides is answered are installed in the separately upper lateral part of circuit breaker, namely tilt to install.The mode that this combined electrical apparatus adopts limit phase one pole to tilt to install behind the current transformer of assembling high parameter, is subjected to the instrument transformer gravity effect, and larger stress is born at the alternate power transmission shaft coupling of circuit breaker place, affects operational stability and the mechanical endurance of circuit breaker; Simultaneously, this combining form of one pole adopts three three station isolation grounding switchs, and cost is high, complicated integral structure, and also whole height is higher, can't rationally utilize the space.
Summary of the invention
The purpose of this invention is to provide a kind of composite type high-voltage combined electrical apparatus that is suitable for the assembling of high parameter current transformer, tilt to install the not high problem of breaker operator stability that causes in order to solve existing combined electrical apparatus because of limit phase one pole.
The monopolar configuration of composite type high-voltage combined electrical apparatus of the present invention adopts following technical scheme: a kind of monopolar configuration of composite type high-voltage combined electrical apparatus, comprise the circuit breaker that moves along left and right sides divide-shut brake, the top of circuit breaker vertically is installed with two spaced apart current transformers in the left and right sides, wherein, the top of right side current transformer is installed with straight-line transmitting ejector half three station isolation grounding switchs that move along left and right sides divide-shut brake, conduct electricity between the moving contact of three station isolation grounding switchs and the fixed contact of circuit breaker and be connected with, vertically pass the right electric conductor of corresponding current mutual inductor coil, and the right-hand member of three station isolation grounding switchs is installed with towards the entrance bushing unit of upper right side inclination, and the inlet wire electric conductor of entrance bushing unit is connected with the isolation fixed contact of three station isolation grounding switchs conduction; The top of left side current transformer is installed with towards the outlet casing tube unit of upper left side inclination, and conduction is connected with, vertically passes the left electric conductor of corresponding current mutual inductor coil between the outlet electric conductor of outlet casing tube unit and the moving contact of circuit breaker.
Described entrance bushing unit is installed in three stations isolation ground connection by the curved cylindrical shell of inlet wire and opens, the right-hand member that an end of curved cylindrical shell and three stations are isolated the ground connection open pipe by flange removablely be connected, the corresponding end of the other end and entrance bushing unit is connected.
Described outlet casing tube unit is installed on the corresponding current transformer by the curved cylindrical shell of outlet, an end of curved cylindrical shell by flange and corresponding current transformer removablely be connected, the corresponding end of the other end and outlet casing tube unit is connected.
Two limit phase one poles in the described three-phase one pole into and out of the thread casing unit respectively relatively in the middle of the mode that relies on the corresponding curved cylindrical shell of rotation into and out of the thread casing unit of phase one pole extend out respectively.
Described circuit breaker is pot-type sulfur hexafluoride circuit breaker, has the first disc insulator that the two air chamber is separated between the housing of described right side current transformer and the housing of earthed switch, have the second disc insulator that the two air chamber is separated between the body of the housing of earthed switch and entrance bushing unit, have the 3rd disc insulator that the two air chamber is separated between the body of the housing of left side current transformer and outlet casing tube unit.
Composite type high-voltage combined electrical apparatus of the present invention adopts following technical scheme: a kind of composite type high-voltage combined electrical apparatus, comprise support and be installed on the support, along spaced apart three one poles of fore-and-aft direction, one pole comprises the circuit breaker that moves along left and right sides divide-shut brake, the top of circuit breaker vertically is installed with two spaced apart current transformers in the left and right sides, wherein, the top of right side current transformer is installed with straight-line transmitting ejector half three station isolation grounding switchs that move along left and right sides divide-shut brake, conduct electricity between the moving contact of three station isolation grounding switchs and the fixed contact of circuit breaker and be connected with, vertically pass the right electric conductor of corresponding current mutual inductor coil, and the right-hand member of three station isolation grounding switchs is installed with towards the entrance bushing unit of upper right side inclination, and the inlet wire electric conductor of entrance bushing unit is connected with the isolation fixed contact of three station isolation grounding switchs conduction; The top of left side current transformer is installed with towards the outlet casing tube unit of upper left side inclination, and conduction is connected with, vertically passes the left electric conductor of corresponding current mutual inductor coil between the outlet electric conductor of outlet casing tube unit and the moving contact of circuit breaker.
Described entrance bushing unit is installed in three stations isolation ground connection by the curved cylindrical shell of inlet wire and opens, the right-hand member that an end of curved cylindrical shell and three stations are isolated the ground connection open pipe by flange removablely be connected, the corresponding end of the other end and entrance bushing unit is connected.
Described outlet casing tube unit is installed on the corresponding current transformer by the curved cylindrical shell of outlet, an end of curved cylindrical shell by flange and corresponding current transformer removablely be connected, the corresponding end of the other end and outlet casing tube unit is connected.
Two limit phase one poles in the described three-phase one pole into and out of the thread casing unit respectively relatively in the middle of the mode that relies on the corresponding curved cylindrical shell of rotation into and out of the thread casing unit of phase one pole extend out respectively.
Described circuit breaker is pot-type sulfur hexafluoride circuit breaker, has the first disc insulator that the two air chamber is separated between the housing of described right side current transformer and the housing of earthed switch, have the second disc insulator that the two air chamber is separated between the body of the housing of earthed switch and entrance bushing unit, have the 3rd disc insulator that the two air chamber is separated between the body of the housing of left side current transformer and outlet casing tube unit.
Adopt the monopolar configuration of said structure, because the top on the circuit breaker vertically is installed with two current transformers, be installed with straight-line transmitting ejector half three station isolation grounding switchs on one of them current transformer, and the entrance bushing unit is installed on three station isolation grounding switchs, the outlet casing tube unit is installed on another current transformer, such layout takes full advantage of the space, has advantages of simple in structure, rationally distributed; The more important thing is, one pole all adopts the mode of vertical installation, so that the even bearing load of alternate driving coupling parts, good mechanical stability.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of composite type high-voltage combined electrical apparatus of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the cutaway view of the monopolar configuration among Fig. 1.
Embodiment
The embodiment of composite type high-voltage combined electrical apparatus of the present invention: shown in Fig. 1-4, comprise support 1, be installed with three on the support 1 along the spaced apart one pole of fore-and-aft direction, one pole is made of circuit breaker 2, current transformer 3, earthed switch 6, entrance bushing unit 4 and outlet casing tube unit 8.
As further optimization, be provided with the first disc insulator 12, the first disc insulators 12 between right side instrument transformer housing and the switch case 63 air chamber of right side current transformer and the air chamber of three station isolation grounding switchs 6 are separated; Being provided with the second disc insulator 13, the second disc insulators 13 between switch case 63 and inlet wire body 41 separates the air chamber of three station isolation grounding switchs and the air chamber of entrance bushing unit; Being provided with the 3rd disc insulator 10, the three disc insulators 10 between left side instrument transformer housing and outlet body separates the air chamber of left side current transformer and the air chamber of outlet casing tube unit.Like this each independently air chamber all can be filled with the SF6 gas of different pressures, reduced material cost, can also guarantee transportation and when safeguarding disparate modules operate separately, reduced transport difficulty, improved maintenance efficiency; In addition, in the circuit-breaker switching on-off process, the dust that can also the preventer arc control device produces invades in three station isolation grounding switchs.
As further optimization, since into and out of the curved cylindrical shell of line all by flange respectively with the left side instrument transformer with three station isolation grounding switchs are removable is connected, the entrance bushing unit of two limit phase one poles extends out respectively by the curved cylindrical shell of rotation inlet wire, becomes 30 ° of angles between the entrance bushing unit corresponding with middle one pole; Simultaneously, the outlet casing tube unit of limit phase one pole extends out respectively by the curved cylindrical shell of rotation outlet, also claims 30 ° of angles between the outlet casing tube unit corresponding with middle one pole; Like this outside one pole outwards open certain angle into and out of sleeve pipe, thereby guarantee reliable insulation distance.
The embodiment of monopolar configuration of the present invention: shown in Fig. 1-4, consistent with the structure of one pole in above-described embodiment, its content does not repeat them here.
Claims (10)
1. the monopolar configuration of a composite type high-voltage combined electrical apparatus, it is characterized in that: comprise the circuit breaker that moves along left and right sides divide-shut brake, the top of circuit breaker vertically is installed with two spaced apart current transformers in the left and right sides, wherein, the top of right side current transformer is installed with straight-line transmitting ejector half three station isolation grounding switchs that move along left and right sides divide-shut brake, conduct electricity between the moving contact of three station isolation grounding switchs and the fixed contact of circuit breaker and be connected with, vertically pass the right electric conductor of corresponding current mutual inductor coil, and the right-hand member of three station isolation grounding switchs is installed with towards the entrance bushing unit of upper right side inclination, and the inlet wire electric conductor of entrance bushing unit is connected with the isolation fixed contact of three station isolation grounding switchs conduction; The top of left side current transformer is installed with towards the outlet casing tube unit of upper left side inclination, and conduction is connected with, vertically passes the left electric conductor of corresponding current mutual inductor coil between the outlet electric conductor of outlet casing tube unit and the moving contact of circuit breaker.
2. the monopolar configuration of composite type high-voltage combined electrical apparatus according to claim 1, it is characterized in that: described entrance bushing unit is installed in three stations isolation ground connection by the curved cylindrical shell of inlet wire and opens, the right-hand member that an end of curved cylindrical shell and three stations are isolated the ground connection open pipe by flange removablely be connected, the corresponding end of the other end and entrance bushing unit is connected.
3. the monopolar configuration of composite type high-voltage combined electrical apparatus according to claim 2, it is characterized in that: described outlet casing tube unit is installed on the corresponding current transformer by the curved cylindrical shell of outlet, an end of curved cylindrical shell by flange and corresponding current transformer removablely be connected, the corresponding end of the other end and outlet casing tube unit is connected.
4. the monopolar configuration of composite type high-voltage combined electrical apparatus according to claim 3 is characterized in that: two limit phase one poles in the described three-phase one pole into and out of the thread casing unit respectively relatively in the middle of the mode that relies on the corresponding curved cylindrical shell of rotation into and out of the thread casing unit of phase one pole extend out respectively.
5. the monopolar configuration of the described composite type high-voltage combined electrical apparatus of any one according to claim 1-4, it is characterized in that: described circuit breaker is pot-type sulfur hexafluoride circuit breaker, has the first disc insulator that the two air chamber is separated between the housing of described right side current transformer and the housing of earthed switch, have the second disc insulator that the two air chamber is separated between the body of the housing of earthed switch and entrance bushing unit, have the 3rd disc insulator that the two air chamber is separated between the body of the housing of left side current transformer and outlet casing tube unit.
6. composite type high-voltage combined electrical apparatus, comprise support and be installed on the support, along spaced apart three one poles of fore-and-aft direction, it is characterized in that: one pole comprises the circuit breaker that moves along left and right sides divide-shut brake, the top of circuit breaker vertically is installed with two spaced apart current transformers in the left and right sides, wherein, the top of right side current transformer is installed with straight-line transmitting ejector half three station isolation grounding switchs that move along left and right sides divide-shut brake, conduct electricity between the moving contact of three station isolation grounding switchs and the fixed contact of circuit breaker and be connected with, vertically pass the right electric conductor of corresponding current mutual inductor coil, and the right-hand member of three station isolation grounding switchs is installed with towards the entrance bushing unit of upper right side inclination, and the inlet wire electric conductor of entrance bushing unit is connected with the isolation fixed contact of three station isolation grounding switchs conduction; The top of left side current transformer is installed with towards the outlet casing tube unit of upper left side inclination, and conduction is connected with, vertically passes the left electric conductor of corresponding current mutual inductor coil between the outlet electric conductor of outlet casing tube unit and the moving contact of circuit breaker.
7. composite type high-voltage combined electrical apparatus according to claim 6, it is characterized in that: described entrance bushing unit is installed in three stations isolation ground connection by the curved cylindrical shell of inlet wire and opens, the right-hand member that an end of curved cylindrical shell and three stations are isolated the ground connection open pipe by flange removablely be connected, the corresponding end of the other end and entrance bushing unit is connected.
8. composite type high-voltage combined electrical apparatus according to claim 7, it is characterized in that: described outlet casing tube unit is installed on the corresponding current transformer by the curved cylindrical shell of outlet, an end of curved cylindrical shell by flange and corresponding current transformer removablely be connected, the corresponding end of the other end and outlet casing tube unit is connected.
9. composite type high-voltage combined electrical apparatus according to claim 8 is characterized in that: two limit phase one poles in the described three-phase one pole into and out of the thread casing unit respectively relatively in the middle of the mode that relies on the corresponding curved cylindrical shell of rotation into and out of the thread casing unit of phase one pole extend out respectively.
10. the described composite type high-voltage combined electrical apparatus of any one according to claim 6-9, it is characterized in that: described circuit breaker is pot-type sulfur hexafluoride circuit breaker, has the first disc insulator that the two air chamber is separated between the housing of described right side current transformer and the housing of earthed switch, have the second disc insulator that the two air chamber is separated between the body of the housing of earthed switch and entrance bushing unit, have the 3rd disc insulator that the two air chamber is separated between the body of the housing of left side current transformer and outlet casing tube unit.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201310208907.2A CN103326272B (en) | 2013-05-30 | 2013-05-30 | A kind of composite type high-voltage combined electrical apparatus and monopolar configuration thereof |
PCT/CN2013/001181 WO2014190458A1 (en) | 2013-05-30 | 2013-09-29 | Combined type high-voltage composite apparatus and unipolar structure thereof |
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CN201310208907.2A CN103326272B (en) | 2013-05-30 | 2013-05-30 | A kind of composite type high-voltage combined electrical apparatus and monopolar configuration thereof |
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CN103326272A true CN103326272A (en) | 2013-09-25 |
CN103326272B CN103326272B (en) | 2016-04-27 |
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CN201310208907.2A Active CN103326272B (en) | 2013-05-30 | 2013-05-30 | A kind of composite type high-voltage combined electrical apparatus and monopolar configuration thereof |
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WO (1) | WO2014190458A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014190458A1 (en) * | 2013-05-30 | 2014-12-04 | 国家电网公司 | Combined type high-voltage composite apparatus and unipolar structure thereof |
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DE19604342A1 (en) * | 1995-05-20 | 1996-11-21 | Abb Patent Gmbh | High voltage switching device |
JP2005086925A (en) * | 2003-09-10 | 2005-03-31 | Japan Ae Power Systems Corp | Switch |
CN101001005A (en) * | 2007-01-05 | 2007-07-18 | 西安电力机械制造公司 | Gas insulation switch device |
CN201319346Y (en) * | 2008-12-09 | 2009-09-30 | 中国西电电气股份有限公司 | SF* composite type high-voltage combined electric appliance |
CN203301039U (en) * | 2013-05-30 | 2013-11-20 | 国家电网公司 | Composite high-voltage combined electrical appliance and monopole structure thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4146540B2 (en) * | 1998-02-27 | 2008-09-10 | 株式会社日立製作所 | Transformer integrated gas insulated switchgear |
DE10014680B4 (en) * | 2000-03-17 | 2008-08-07 | Siemens Ag | Three-phase encapsulated high voltage circuit breaker in open-air design |
CN202094526U (en) * | 2011-06-17 | 2011-12-28 | 江苏精科智能电气股份有限公司 | Composite and combined electrical device |
CN102403668B (en) * | 2011-10-25 | 2014-09-24 | 沈阳华德海泰电器有限公司 | High-voltage combined electrical apparatus |
CN103326272B (en) * | 2013-05-30 | 2016-04-27 | 国家电网公司 | A kind of composite type high-voltage combined electrical apparatus and monopolar configuration thereof |
-
2013
- 2013-05-30 CN CN201310208907.2A patent/CN103326272B/en active Active
- 2013-09-29 WO PCT/CN2013/001181 patent/WO2014190458A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19604342A1 (en) * | 1995-05-20 | 1996-11-21 | Abb Patent Gmbh | High voltage switching device |
JP2005086925A (en) * | 2003-09-10 | 2005-03-31 | Japan Ae Power Systems Corp | Switch |
CN101001005A (en) * | 2007-01-05 | 2007-07-18 | 西安电力机械制造公司 | Gas insulation switch device |
CN201319346Y (en) * | 2008-12-09 | 2009-09-30 | 中国西电电气股份有限公司 | SF* composite type high-voltage combined electric appliance |
CN203301039U (en) * | 2013-05-30 | 2013-11-20 | 国家电网公司 | Composite high-voltage combined electrical appliance and monopole structure thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014190458A1 (en) * | 2013-05-30 | 2014-12-04 | 国家电网公司 | Combined type high-voltage composite apparatus and unipolar structure thereof |
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CN103326272B (en) | 2016-04-27 |
WO2014190458A1 (en) | 2014-12-04 |
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