CN202454479U - 1100kV extra-high-voltage series-compensation by-pass switch - Google Patents
1100kV extra-high-voltage series-compensation by-pass switch Download PDFInfo
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- CN202454479U CN202454479U CN2011205367004U CN201120536700U CN202454479U CN 202454479 U CN202454479 U CN 202454479U CN 2011205367004 U CN2011205367004 U CN 2011205367004U CN 201120536700 U CN201120536700 U CN 201120536700U CN 202454479 U CN202454479 U CN 202454479U
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Abstract
The utility model relates to a 1100kV extra-high-voltage series-compensation by-pass switch, comprising a double-break circuit breaker. A triple-transmission device is arranged between two arc extinguish chambers of the double-break circuit breaker, an independent shunt switch is connected with each arc extinguish chamber in parallel, a switch static contact base of each shunt switch is electrically connected with a static contact support of a static contact in the corresponding arc extinguish chamber, a switch movable contact base of each shunt switch is electrically connected with a movable contact support in the corresponding arc extinguish chamber, the switch movable contact of each shunt switch is in transmission connection with a switch pull rod, the switch pull rod of each shunt switch and a pull rod in the corresponding arc extinguish chamber are assembled together in a synchronous and homodromous transmission manner, the distance between the movable contacts and static contacts, which are switched off, of the shunt switches is longer than the distance between movable contacts and the static contacts, which are switched off, in the arc extinguish chambers, and the switching time of each shunt switch is delayed than that of each arc extinguish chamber by 2 to 3 milliseconds. According to the utility model, the rated closing current and the rated through-flow current of the 1100kV extra-high-voltage series-compensation by-pass switch are simultaneously amplified.
Description
Technical field
The utility model relates to the high-voltage electrical apparatus field, especially a kind of 1100kV extra-high voltage series compensation by-pass switch.
Background technology
What transmission line installed that string benefits/controlled series compensation device can increase substantially existing and newly-built transmission line additional send electric energy power and electricity net safety stable property, is that most advanced, most representative flexible ac transmission is one of technological.Compare with the newly-built circuit of electrical network, have characteristics such as cost is low, applied widely, saving transmission of electricity corridor, can produce good economic benefit and social benefit, meet the developing direction of building strong intelligent grid.
String is mended in the engineering inevitably will use by-pass switch; By-pass switch is mainly formed by circuit breaker and isolating switch serial connection, and the rated voltage that existing by-pass switch can bear, specified making current and specified through-flow electric current are mostly limited, trace it to its cause; Then mainly be the rated voltage that is subject to circuit breaker, specified making current and specified through-flow electric current; In order to increase the rated voltage of by-pass switch, on the market successively various double break mouth circuit breakers have appearred, and each is variant for the structure of dissimilar double break mouth circuit breakers; But generally speaking; Nothing more than being two fractures that adopt series connection, promptly adopt two arc control device and corresponding circuit breaker fixed contact and moving contact of breaker are set respectively in each arc control device, each circuit breaker fixed contact all is connected in series with moving contact of breaker and two moving contact of breaker Synchronous Transmission are connected; Each fracture while separating brake or combined floodgate during use, thereby the divide-shut brake voltage that disperses each fracture to bear; Though double break mouth circuit breaker has increased the rated voltage that by-pass switch can bear; But but do not solve its specified making current and the little problem of specified through-flow electric current; When being used for 110KV extra-high voltage series compensation engineering, because during the through-flow or divide-shut brake of circuit breaker, the electric current that bears of each incision position is very big; Especially under the through-flow state; Circuit breaker needs to pass through for a long time great through-flow electric current, and this then makes the specified making current of existing isolation isolating switch and specified through-flow electric current be restricted, and can't satisfy the needs of 110KV extra-high voltage series compensation engineering.
At present; During the string benefit engineering of 1,000,000 volts of demonstration projects is under preparation; Though relevant enterprise has some achievements in research and the application of 252kV, 550kV by-pass switch both at home and abroad; But it is blank that 1100kV ultra high voltage by-pass switch still belongs to both at home and abroad, and the benefit device also need be gone here and there in following Xi Meng, 1,000,000 hint roads, Huainan, and therefore developing 1,000,000 volts of by-pass switches has been extremely urgent.
Summary of the invention
The purpose of the utility model is to provide a kind of 1100kV extra-high voltage series compensation by-pass switch, to increase the specified making current and the specified through-flow electric current of by-pass switch.
In order to address the above problem; The 1100kV extra-high voltage series compensation by-pass switch of the utility model adopts following technical scheme: 1100kV extra-high voltage series compensation by-pass switch; Comprise a pair of fracture circuit breaker; Be provided with three transmission devices between two arc control device of said double break mouth circuit breaker; Respectively and be connected to a diverting switch independently, the fixed contact bearing of the fixed contact in the switch stationary contact headstock of two diverting switchs and the corresponding arc control device is electrically connected the switch movable contact seat of two diverting switchs and the interior moving contact bearing electrical connection of corresponding arc control device on said two arc control device; Be connected with switch lever on the switch movable contact of two diverting switchs; Pull bar in the switch lever of two diverting switchs and the corresponding arc control device synchronously, transmission is assembled together in the same way, the distance of the distance when cut-offfing between the dynamic and static contact of said diverting switch when cut-offfing between the dynamic and static contact in the arc control device, the closing moment 2-3 millisecond of the closing moment hysteresis arc control device of two diverting switchs.
Described double break mouth circuit breaker is a sulphur hexafluoride double break mouth circuit breaker.
Dynamic and static contact bearing in said two arc control device is equipped with as the arc control device flange of binding post and through its arc control device flange in the two end away from each other and is fixed on said three transmission devices.
Said two diverting switchs include the switch insulator of tubulose; The dynamic and static contact base correspondence of the switch of diverting switch is assemblied in the two ends of switch insulator; The guiding activity vertically of said switch movable contact is assemblied in the said switch movable contact seat; Said switch lever is located at a switch movable contact end of switch stationary contact headstock dorsad; Said switch fixed contact is located on the switch stationary contact headstock, and said switch stationary contact headstock and switch movable contact seat the other side's a end away from each other are equipped with the switch flange and are connected through said switch flange and switch insulator, and described switch flange forms the binding post of diverting switch.
The end place that said switch insulator deviates from the switch fixed contact is provided with the connecting lever box and in said connecting lever box, is equipped with the switch connecting lever that is used to drive said switch lever, and said switch connecting lever and switch lever are in transmission connection through the connecting rod that is articulated between the two.
Coaxial being oppositely arranged of said two arc control device; The diverting switch that is parallel on two arc control device is set up in parallel with these arc control device are parallel; Said two diverting switchs lay respectively at the radially both sides of two arc chambers; Said three transmission devices comprise that casing and parallel interval setting and rotation are assemblied in two connecting lever axles on the said casing; End spinning on the said two connecting lever axles respectively and be furnished with the driving connecting lever, the direction of motion of the moving contact in the axis of two connecting lever axles and two arc control device and the moving contact of switch is vertical, and the output of said two driving connecting levers is in transmission connection through the connecting rod and two moving contact of breaker of correspondence respectively; The input Synchronous Transmission is assembled together, and all ends spinning on the two connecting lever axles and is furnished with pivoted arm and is in transmission connection through said pivoted arm and corresponding switch moving contact.
Be provided with quiet end grading ring between the terminals of the fixed contact in two arc control device of said double break mouth circuit breaker and the switch fixed contact of corresponding diverting switch; Corresponding grading ring on the moved end, the moved end lower uniform pressure ring of being arranged with of upper and lower in the two cooperation place between the terminals of the moving contact in two arc control device of double break mouth circuit breaker and the switch movable contact of corresponding diverting switch.
Two arc control device of said double break mouth circuit breaker all and be connected to equalizing capacitance.
Also comprise hollow insulation column, the below of said insulation column is provided with drive unit, and said drive unit is in transmission connection through drive link and the moving contact of said double break mouth circuit breaker and diverting switch that is movably set in vertically in the insulation column.
Also comprise through bracket leg and be located at the inspection platform on the horizontal plane, said drive unit and insulation column all are located on the said inspection platform.
Because what the arc control device assembly of said 1100kV extra-high voltage series compensation by-pass switch adopted is double break mouth circuit breaker, therefore can satisfy the requirement of high voltage break-make, two arc control device of said double break mouth circuit breaker all are parallel with diverting switch; Therefore; According to the principle of " two resistance parallel connections; total current is each resistor current sum ", behind combined floodgate, can share making current and rated current jointly through said diverting switch and double break mouth circuit breaker at said diverting switch and double break mouth circuit breaker; Thereby reduce the through-flow electric current that double break mouth circuit breaker need be born, solve the little problem of specified through-flow electric current that existing by-pass switch can bear; In addition, again because the distance of the distance when cut-offfing when cut-offfing between the dynamic and static contact in the arc control device between the dynamic and static contact of said diverting switch, and the interior pull bar of the switch lever of two diverting switchs and corresponding arc control device synchronously, transmission is assembled together in the same way; Therefore; Said by-pass switch is when conducting, and said double break mouth circuit breaker closes a floodgate prior to diverting switch, passes through the arcing of double break mouth circuit breaker when closing a floodgate with the protection diverting switch thereby be implemented in; Because said double break mouth circuit breaker and opening time difference and the closing time difference of diverting switch under the effect of said drive unit all are not more than 3 milliseconds; So short and unlikely being damaged of time compole of the independent super-high-current work of double break mouth circuit breaker, by-pass switch is when breaking off, and said double break mouth circuit breaker hysteresis diverting switch breaks off; Thereby make diverting switch when breaking off; Said double break mouth circuit breaker still is in conducting state, and then reaches the purpose of protection diverting switch when by-pass switch breaks off, because double break mouth circuit breaker self has the arcing ability; Therefore lag behind and break off also unlikely damage double break mouth circuit breaker, this has then solved the little problem of specified making current of by-pass switch; In sum, the 1100kV extra-high voltage series compensation by-pass switch of the utility model not only can satisfy big electric current and close and close and can to satisfy big electric current through-flow, has increased the specified making current and the specified through-flow electric current of by-pass switch simultaneously.
Description of drawings
Fig. 1 is the structural representation of the embodiment 1 of 1100kV extra-high voltage series compensation by-pass switch;
Fig. 2 is the structural representation of the arc control device assembly among Fig. 1;
Fig. 3 is the structural representation of the arc control device among Fig. 2;
Fig. 4 is the partial enlarged drawing of Fig. 3 at the A place;
Fig. 5 is the structural representation of the diverting switch among Fig. 2;
Fig. 6 is the partial enlarged drawing of Fig. 5 at the B place;
Fig. 7 is the structural representation of three transmission devices among Fig. 2;
Fig. 8 is three transmission devices and the mutual parallelly connected arc control device and the transmission principle figure of diverting switch among Fig. 2;
Fig. 9 is the transmission principle figure of the embodiment 1 of 1100kV extra-high voltage series compensation by-pass switch.
Embodiment
The embodiment 1 of 1100kV extra-high voltage series compensation by-pass switch; Shown in Fig. 1-9; Have support 1 and prop up the inspection platform 2 of being located at support 1 top; Stand on the inspection platform 2 and be provided with insulation column 3, insulation column 3 is spliced by five sections insulated porcelain sleeves vertically successively, is used to guarantee power-frequency withstand voltage, 2400kV lightning impulse voltage, 1800kV operating impulse voltage and the enough margins of safety of 1100kV; The bottom of insulation column 3 is provided with drive unit 8; The upper end of insulation column 3 is provided with three transmission devices 4 and on three transmission devices 4, is equipped with the arc control device assembly, and the arc control device assembly comprises double break mouth circuit breaker with two arc control device 5 and corresponding equalizing capacitance, with two diverting switchs 6 of the corresponding parallel connection of arc control device of double break mouth circuit breaker and be located at the grading ring between two arc control device and the diverting switch.
The structure of two arc control device 5 of double break mouth circuit breaker is identical; The moving contact of breaker seat 5-2, circuit breaker stationary contact headstock 5-3, the activity vertically that by interrupting porcelain insulator 5-1, fixedly are assemblied on the interrupting porcelain insulator 5-1 are assemblied in the moving contact of breaker on the moving contact of breaker seat 5-2 and fixedly are assemblied in the circuit breaker fixed contact composition on the circuit breaker stationary contact headstock 5-3; Wherein all series connection mutually of the dynamic and static contact of circuit breaker (totally four) in two arc control device; Interrupting porcelain insulator 5-1 has the passage that extends vertically; The dynamic and static contact base of circuit breaker all in a tubular form and the two end separately be equipped with the arc control device flange of plate-like and be fixedly connected with aluminium alloy flange on being located at interrupting porcelain insulator 5-1 through its arc control device flange; Be located at the corresponding simultaneously binding post that forms the dynamic and static contact of circuit breaker of arc control device flange on the dynamic and static contact base of circuit breaker; Axially spaced-apart is provided with two annular fingertips to moving contact of breaker seat 5-2 in the inner wall surface thereof upper edge towards the end of circuit breaker stationary contact headstock 5-3; Moving contact of breaker comprises that a both ends open and guiding activity vertically are assemblied in the tubular air cylinder 5-5 in the endoporus of moving contact of breaker seat 5-2; Air cylinder 5-5 electrically connects through its outside wall surface and annular fingertip; And then the electric connection of realization and moving contact of breaker seat 5-2; The coaxial piston 5-6 that cooperates with air cylinder 5-5 slipper seal through outer peripheral face that is provided with in the endoporus of moving contact of breaker seat 5-2, piston 5-6 is provided with a guide plate 5-7 away from the end of circuit breaker stationary contact headstock 5-3 and fixedly is assemblied in the endoporus of moving contact of breaker seat 5-2 through guide plate 5-7, is provided with the gas passage between the internal face of the periphery of guide plate 5-7 and moving contact of breaker seat 5-2; Air cylinder 5-5 is coaxially connected with joint 5-8 towards the end of circuit breaker stationary contact headstock 5-3; Joint 5-8 goes up coaxial moving main contact 5-11, spout 5-9 and the moving arcing contact 5-10 that overhangs towards circuit breaker stationary contact headstock 5-3 vertically that be installed with; Wherein moving main contact 5-11 is located in the periphery of moving arcing contact 5-10, and spout 5-9 is located between moving main contact 5-11 and the moving arcing contact 5-10; Piston 5-6 is provided with pore 5-12 that connects its axial both sides and the elastic valve plate 5-13 that is used to seal or open pore; Pore 5-12 is communicated with joint 5-8 and spout 5-9; Elastic valve plate 5-13 is located at the side of piston area to circuit breaker stationary contact headstock 5-3, is used to prevent that air-flow is discharged from through pore 5-12 from spout 5-9 is reverse; The coaxial circuit breaker pull bar 5-16 that is fixed with of the side of circuit breaker stationary contact headstock 5-3 dorsad on the joint 5-8; Circuit breaker pull bar 5-16 passes piston away from an end of joint and is in transmission connection with the transmission mechanisms of being located in three transmission devices 4, realizes the divide-shut brake with the circuit breaker fixed contact thereby order about moving contact of breaker reciprocating motion vertically in the porcelain shell for circuit breaker of correspondence with it; Circuit breaker stationary contact headstock 5-3 is provided with slot towards the end face of the end of moving contact of breaker seat 5-2; Said slot is higher than the cell wall of a side on the other side away from the cell wall of a side of the center line of circuit breaker stationary contact headstock; Be slot away from the cell wall of a side of the center line of circuit breaker stationary contact headstock 5-3 vertically overhang length greater than cell wall on the other side circuit breaker stationary contact headstock axially on the length that overhangs; Be inserted with the quiet main contact 5-4 corresponding in the slot of circuit breaker stationary contact headstock 5-3 with moving main contact; The periphery of quiet main contact 5-4 (side that promptly deviates from the center line of circuit breaker stationary contact headstock) radially with between the corresponding cell wall of slot is top-loaded with buffer spring; Circuit breaker stationary contact headstock 5-3 goes up the radome 5-14 that is provided with tubular in the periphery of quiet main contact, and radome 5-14 is used for supporting and shielding quiet main contact 5-4; Also be provided with a seat board in the endoporus of circuit breaker stationary contact headstock 5-3, seat board cuts off the axial both sides of circuit breaker stationary contact headstock 5-3 and is provided with the quiet arc contact 5-15 corresponding with moving arcing contact in the side towards moving contact of breaker; All can and be connected to equalizing capacitance on each arc control device of double break mouth circuit breaker in addition.During use; Can be in transmission connection through said circuit breaker pull bar and drive unit, thereby drive the divide-shut brake of circuit breaker pull bar reciprocating motion vertically, during combined floodgate with the dynamic and static contact of realization circuit breaker; The circuit breaker pull bar drives moving contact of breaker and moves towards the circuit breaker fixed contact; Because described piston is fixedly to be assemblied in the described interrupting porcelain insulator, said air cylinder is compressed in the process of separating brake motion and the confined space volume of piston formation, produces high compression SF6 gas.When air cylinder moved to the separation of sound arcing contact, the gases at high pressure in the air cylinder were through moving arcing contact 5-10, pull bar 5-16 exhaust.Air cylinder continues motion, and when quiet arc contact 5-15 separated with spout 5-9, the gases at high pressure in the air cylinder were simultaneously through moving arcing contact 5-10, spout 5-9 exhaust.Through SF6 Compressed Gas and motion process thereof, the ion that produces in the interrupting process is gone to dissociate, thus extinguish arcs.Air cylinder is in the process of motion of closing a floodgate; Sound arcing contact generation electric arc, the space that this moment, air cylinder and piston formed is enlarging and form negative pressure, with the arc ions inspiration air cylinder of sound arcing contact generation; Reduce arc temperature rapidly, the electric arc that produces when avoiding closing a floodgate burns parts.
Each diverting switch 6 includes the switch insulator 6-1 of tubulose; Be arranged with the switch stationary contact headstock 6-2 of tubulose and the switch movable contact seat 6-3 of tubulose in the switch insulator 6-1 vertically; The switch movable contact seat is provided with switch movable contact 6-4; Switch stationary contact headstock 6-2 is provided with switch fixed contact 6-5; Switch movable contact 6-4 is the tubular of an end opening, and the end of its facing switch stationary contact headstock 6-2 is an openend, and electrically connecting also through the two ring spring fingertips of laying at interval vertically between the internal face of the outside wall surface of switch movable contact 6-4 and switch movable contact seat 6-3, guiding activity vertically is assemblied in the switch movable contact seat 6-3; The stroke of activity when movable stroke moved to corresponding circuit breaker fixed contact conducting greater than moving contact of breaker when switch movable contact 6-4 moved to the conducting of corresponding switch fixed contact from the separating brake position from its separating brake position; Promptly suppose switch movable contact from its separating brake position setting in motion, the distance of when switch movable contact and the conducting of corresponding switch fixed contact, passing by is L1, supposes that moving contact of breaker is from its separating brake position setting in motion; The distance of passing by during with corresponding circuit breaker fixed contact conducting when moving contact of breaker is L2, then L1＞L2; The switch movable contact 6-4 end of switch stationary contact headstock 6-2 (being sealing end) dorsad is connected with switch lever 6-6; Switch lever 6-6 is used for being connected so that switch movable contact 6-4 and switch fixed contact 6-5 separating brake or combined floodgate with drive unit; Switch stationary contact headstock 6-2 and switch movable contact seat 6-3 the other side's a end away from each other are equipped with the switch flange and are connected through switch flange and switch insulator; The switch flange forms the binding post of diverting switch simultaneously; The end place that the switch insulator deviates from the switch fixed contact is provided with connecting lever box 6-7 and in said connecting lever box 6-7, is equipped with the switch connecting lever 6-8 that is used to drive said switch lever through the connecting lever axle; Switch connecting lever 6-8 is in transmission connection through a connecting rod and said switch lever 6-6, and an end and the switch connecting lever of said connecting rod are hinged, and the other end and switch lever are hinged.
Three transmission devices 4 are as the carrier and the transmission mechanism of double break mouth circuit breaker and diverting switch; Comprise casing 4-1; The left and right sides of casing 4-1 and bottom are respectively equipped with through hole and are provided with adpting flange in the place, aperture of each through hole; The flange that wherein is positioned at the through hole of casing 4-1 downside is fixedly connected with the upper end of insulation column 3; The adpting flange that is positioned at the left and right sides of three transmission devices 4 is fixedly connected with arc control device or diverting switch; Two arc control device are coaxial to be oppositely arranged; Be parallel to that diverting switch on each arc control device is parallel with these arc control device to be set up in parallel and two diverting switchs are divided into the radially both sides of arc control device; Three transmission devices, 4 interior parallel interval are provided with two connecting lever axles and on each connecting lever axle, end spinning respectively and be furnished with the connecting lever of driving 4-2, and the axis of two connecting lever axles is vertical with the direction of motion of each moving contact of breaker and switch movable contact, and the output of two driving connecting lever 4-2 is in transmission connection through the connecting rod and two moving contact of breaker of correspondence respectively; Input is connected with the drive unit Synchronous Transmission through corresponding connecting rod; In addition, two drive the output arm of connecting lever 4-2 length (output that promptly drives connecting lever 4-2 and the length of the pin joint of connecting rod) and the equal in length of being located at the output arm of the switch connecting lever 6-8 in the diverting switch to the distance between the connecting lever axle at its place, two connecting lever axles respectively with the connecting lever box of two diverting switchs in the coaxial Synchronous Transmission of connecting lever axle be connected; The input of two driving connecting lever 4-2 is connected with the drive unit Synchronous Transmission, thereby has realized being synchronized with the movement fully between moving contact of breaker and each switch movable contact; Two driving connecting lever 4-2 and drive unit are through same drive link 7 when being in transmission connection; Specifically; Be that insulation column 3 is that hollow-core construction and activity vertically are equipped with a drive link 7; The lower end and the drive unit of this drive link 7 are in transmission connection, the upper end through a connecting rod be articulated in two two rod hinge connections that drive on the input of connecting levers; Drive unit 8 adopts hydraulic drive mechanism; Its movement velocity should be able to guarantee that double break mouth circuit breaker and each diverting switch all can be accomplished in 35 milliseconds divides, closes a floodgate, and the difference of L1 and L2 is 20 millimeters should make the closing time difference of double break mouth circuit breaker and each diverting switch be not more than 3 milliseconds under the equal prerequisite that can accomplish branch, combined floodgate in 35 milliseconds satisfying double break mouth circuit breaker and each diverting switch.
Grading ring comprises quiet end grading ring and moved end grading ring, and quiet grading ring is located between the terminals of fixed contact and the switch fixed contact of corresponding diverting switch in each arc control device of said double break mouth circuit breaker, and promptly the left and right two ends of arc control device assembly are located; The moved end grading ring comprises grading ring and moved end lower uniform pressure ring on the moved end, and grading ring is located at the top of the cooperation place between the terminals of moving contact and the switch movable contact of corresponding diverting switch in each arc control device of double break mouth circuit breaker on the moved end; The moved end lower uniform pressure ring is located at the below of the cooperation place between the terminals of moving contact and the switch movable contact of corresponding diverting switch in each arc control device of double break mouth circuit breaker.
Claims (10)
1.1100kV extra-high voltage series compensation by-pass switch; Comprise a pair of fracture circuit breaker; Be provided with three transmission devices between two arc control device of said double break mouth circuit breaker; It is characterized in that; Respectively and be connected to a diverting switch independently, the fixed contact bearing of the fixed contact in the switch stationary contact headstock of two diverting switchs and the corresponding arc control device is electrically connected the switch movable contact seat of two diverting switchs and the interior moving contact bearing electrical connection of corresponding arc control device on said two arc control device; Be connected with switch lever on the switch movable contact of two diverting switchs; Pull bar in the switch lever of two diverting switchs and the corresponding arc control device synchronously, transmission is assembled together in the same way, the distance of the distance when cut-offfing between the dynamic and static contact of said diverting switch when cut-offfing between the dynamic and static contact in the arc control device, the closing moment 2-3 millisecond of the closing moment hysteresis arc control device of two diverting switchs.
2. 1100kV extra-high voltage series compensation by-pass switch according to claim 1 is characterized in that, described double break mouth circuit breaker is a sulphur hexafluoride double break mouth circuit breaker.
3. 1100kV extra-high voltage series compensation by-pass switch according to claim 1; It is characterized in that the dynamic and static contact bearing in said two arc control device all is provided with as the arc control device flange of binding post and through its arc control device flange in the two corresponding end and is fixed on said three transmission devices.
4. 1100kV extra-high voltage series compensation by-pass switch according to claim 1; It is characterized in that; Said two diverting switchs include the switch insulator of tubulose; The dynamic and static contact base correspondence of the switch of diverting switch is assemblied in the two ends of switch insulator; The guiding activity vertically of said switch movable contact is assemblied in the said switch movable contact seat, and said switch lever is located at a switch movable contact end of switch stationary contact headstock dorsad, and said switch fixed contact is located on the switch stationary contact headstock; Said switch stationary contact headstock and switch movable contact seat the other side's a end away from each other are equipped with the switch flange and are connected through corresponding switch flange and switch insulator, and described switch flange forms the binding post of diverting switch.
5. 1100kV extra-high voltage series compensation by-pass switch according to claim 4; It is characterized in that; The end place that said switch insulator deviates from the switch fixed contact is provided with the connecting lever box and in said connecting lever box, is equipped with the switch connecting lever that is used to drive said switch lever, and said switch connecting lever and switch lever are in transmission connection through the connecting rod that is articulated between the two.
6. 1100kV extra-high voltage series compensation by-pass switch according to claim 1; It is characterized in that; Said two arc control device are coaxial and be oppositely arranged; The diverting switch that is parallel on two arc control device is set up in parallel with these arc control device are parallel; Said two diverting switchs lay respectively at the radially both sides of two arc chambers, and said three transmission devices comprise that casing and parallel interval setting and rotation are assemblied in two connecting lever axles on the said casing, end spinning on the said two connecting lever axles respectively and are furnished with the driving connecting lever; The direction of motion of the moving contact in the axis of two connecting lever axles and two arc control device and the moving contact of switch is vertical; Said two drive connecting levers output be in transmission connection through connecting rod and two moving contact of breaker of correspondence respectively, the input Synchronous Transmission is assembled together, on the two connecting lever axles all only spinning be furnished with pivoted arm and be in transmission connection through said pivoted arm and corresponding switch moving contact.
7. 1100kV extra-high voltage series compensation by-pass switch according to claim 1 is characterized in that, is provided with quiet end grading ring between the terminals of the fixed contact in two arc control device of said double break mouth circuit breaker and the fixed contact of corresponding diverting switch; Corresponding grading ring on the moved end, the moved end lower uniform pressure ring of being arranged with of upper and lower in the two cooperation place between the terminals of the moving contact in two arc control device of double break mouth circuit breaker and the moving contact of corresponding diverting switch.
8. 1100kV extra-high voltage series compensation by-pass switch according to claim 1 is characterized in that, two arc control device of said double break mouth circuit breaker all and be connected to equalizing capacitance.
9. 1100kV extra-high voltage series compensation by-pass switch according to claim 1; It is characterized in that; Also comprise hollow insulation column; The below of said insulation column is provided with drive unit, and said drive unit is in transmission connection through drive link and the moving contact of said double break mouth circuit breaker and diverting switch that is movably set in vertically in the insulation column.
10. 1100kV extra-high voltage series compensation by-pass switch according to claim 9 is characterized in that, also comprises through bracket leg and is located at the inspection platform on the horizontal plane, and said drive unit and insulation column all are located on the said inspection platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205367004U CN202454479U (en) | 2011-12-20 | 2011-12-20 | 1100kV extra-high-voltage series-compensation by-pass switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205367004U CN202454479U (en) | 2011-12-20 | 2011-12-20 | 1100kV extra-high-voltage series-compensation by-pass switch |
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| Publication Number | Publication Date |
|---|---|
| CN202454479U true CN202454479U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205367004U Expired - Lifetime CN202454479U (en) | 2011-12-20 | 2011-12-20 | 1100kV extra-high-voltage series-compensation by-pass switch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568910A (en) * | 2011-12-20 | 2012-07-11 | 平高集团有限公司 | 1100kV extra-high voltage series complement bypass switch |
| CN104319168A (en) * | 2014-10-09 | 2015-01-28 | 河南平高电气股份有限公司 | Interrupter assembly and porcelain knob-type sulphur hexafluoride circuit breaker |
| CN104576161A (en) * | 2015-01-27 | 2015-04-29 | 山东泰开高压开关有限公司 | Auxiliary arc extinguishing device used for ultrahigh-voltage grounding switch |
| WO2017190490A1 (en) * | 2016-05-05 | 2017-11-09 | 国家电网公司 | High-voltage switch and circuit breaker unit thereof |
| CN110392917A (en) * | 2017-02-21 | 2019-10-29 | 西门子股份公司 | Electric switching system |
-
2011
- 2011-12-20 CN CN2011205367004U patent/CN202454479U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568910A (en) * | 2011-12-20 | 2012-07-11 | 平高集团有限公司 | 1100kV extra-high voltage series complement bypass switch |
| CN102568910B (en) * | 2011-12-20 | 2014-07-30 | 平高集团有限公司 | 1100kV extra-high voltage series complement bypass switch |
| CN104319168A (en) * | 2014-10-09 | 2015-01-28 | 河南平高电气股份有限公司 | Interrupter assembly and porcelain knob-type sulphur hexafluoride circuit breaker |
| CN104576161A (en) * | 2015-01-27 | 2015-04-29 | 山东泰开高压开关有限公司 | Auxiliary arc extinguishing device used for ultrahigh-voltage grounding switch |
| WO2017190490A1 (en) * | 2016-05-05 | 2017-11-09 | 国家电网公司 | High-voltage switch and circuit breaker unit thereof |
| CN110392917A (en) * | 2017-02-21 | 2019-10-29 | 西门子股份公司 | Electric switching system |
| CN110392917B (en) * | 2017-02-21 | 2022-02-08 | 西门子能源全球有限公司 | Electrical switching device |
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