CN102568910B - 1100kV extra-high voltage series complement bypass switch - Google Patents
1100kV extra-high voltage series complement bypass switch Download PDFInfo
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- CN102568910B CN102568910B CN201110429676.9A CN201110429676A CN102568910B CN 102568910 B CN102568910 B CN 102568910B CN 201110429676 A CN201110429676 A CN 201110429676A CN 102568910 B CN102568910 B CN 102568910B
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Abstract
The invention relates to a 1100 kV extra-high voltage series complement bypass switch, which comprises a double-fracture breaker. A triple transmission device is arranged between two arc extinguish chambers of the double-fracture breaker, an independent bypass-flow switch is respectively connected onto the two arc extinguish chambers, a switch fixed contact seat of each bypass-flow switch is electrically connected with a fixed contact support of a fixed contact in the corresponding arc extinguish chamber, a switch moving contact seat of each bypass-flow switch is electrically connected with a moving contact support in the two arc extinguish chambers, a switch draw rod is connected onto a switch moving contact of each bypass-flow switch in transmission mode, the switch draw rod and a draw rod in the corresponding arc extinguish chamber are synchronously and homonymously assembled together in the transmission mode, the distance between the moving contacts and the fixed contacts of the bypass-flow switches during connecting and disconnecting is larger than that between the moving contacts and the fixed contacts in the arc extinguish chambers, and switching-in time of each bypass-flow switch delays 2-3 milliseconds compared with the switching-in time of the arc extinguish chambers. The 1100Kv extra-high voltage series complement bypass switch increases rated making current and rated through-flow current of the bypass-flow switch.
Description
Technical field
The present invention relates to high-voltage electrical apparatus field, especially a kind of 1100kV extra-high voltage series compensation by-pass switch.
Background technology
Transmission line installs string benefits/controlled series compensation device additional can increase substantially ability of supplying electric power and electricity net safety stable existing and newly-built transmission line, is one of most advanced, most representative Survey of Flexible AC Transmission System Technology.Compared with the newly-built circuit of electrical network, there is the features 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 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, it is mainly the rated voltage that is limited to circuit breaker, specified making current and specified through-flow electric current, in order to increase the rated voltage of by-pass switch, various double-fracture circuit breakers on market, are successively there are, the structure of dissimilar double-fracture circuit breaker is each variant, but generally speaking, nothing more than being two fractures that adopt series connection, adopt two arc control device and corresponding circuit breaker static contact and moving contact of breaker are set respectively in each arc control device, each circuit breaker static contact is all connected in series with moving contact of breaker and two moving contact of breaker Synchronous Transmission are connected, each fracture separating brake or combined floodgate simultaneously when use, thereby the divide-shut brake voltage that disperses each fracture to bear, although double-fracture 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 for 110KV extra-high voltage series compensation engineering, because circuit breaker is through-flow or when divide-shut brake, the electric current bearing of each incision position is very big, especially under through-flow state, circuit breaker needs for a long time by great through-flow electric current, this makes the specified making current of existing isolation isolating switch and specified through-flow electric current be restricted, and cannot meet the needs of 110KV extra-high voltage series compensation engineering.
At present, the string of 1000000 volts of demonstration projects mend engineering under preparation in, although 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, following Xi Meng, 1,000,000 hint roads, Huainan also need string to mend device, and therefore developing 1,000,000 volts of by-pass switches has been extremely urgent.
Summary of the invention
The object of the present invention is to provide a kind of 1100kV extra-high voltage series compensation by-pass switch, to increase specified making current and the specified through-flow electric current of by-pass switch.
In order to address the above problem, 1100kV extra-high voltage series compensation by-pass switch of the present invention is by the following technical solutions: 1100kV extra-high voltage series compensation by-pass switch, comprise a double-fracture circuit breaker, between two arc control device of described double-fracture circuit breaker, be provided with three transmission devices, on described two arc control device respectively and be connected to a diverting switch independently, the switch stationary contact headstock of two diverting switchs is electrically connected with the fixed contact bearing of the fixed contact in corresponding arc control device, the switch movable contact headstock of two diverting switchs is electrically connected with the moving contact bearing in corresponding arc control device, the switch movable contact upper driving of two diverting switchs is connected with switch lever, the switch lever of two diverting switchs is synchronous with the pull bar in corresponding arc control device, transmission is assembled together in the same way, moving of described diverting switch, distance while cut-offfing between fixed contact is greater than moving in arc control device, distance while cut-offfing between fixed contact, the closing moment 2-3 millisecond of the closing moment hysteresis arc control device of two diverting switchs.
Described double-fracture circuit breaker is sulphur hexafluoride double-fracture circuit breaker.
Dynamic and static contact bearing in described two arc control device is equipped with as the arc control device flange of binding post and by its arc control device flange and is fixed on described three transmission devices in the two one end away from each other.
Described two diverting switchs include the switch insulator of tubulose, the switch of diverting switch is moving, fixed contact pedestal correspondence is assemblied in the two ends of switch insulator, the guiding activity vertically of described switch movable contact is assemblied in described switch movable contact headstock, described switch lever is located at switch movable contact one end of switch stationary contact headstock dorsad, described switch static contact is located on switch stationary contact headstock, described switch stationary contact headstock and switch movable contact headstock away from each other one end of the other side are equipped with switch flange and are connected by described switch flange and switch insulator, described switch flange forms the binding post of diverting switch.
One end place that described switch insulator deviates from switch static contact is provided with Crankarm box and in described Crankarm box, is equipped with the switch connecting lever for driving described switch lever, and described switch connecting lever and switch lever are connected by the link transmission being articulated with between the two.
Described two arc control device are coaxially oppositely arranged, be parallel to be set up in parallel parallel with these arc control device of diverting switch on two arc control device, described two diverting switchs lay respectively at the radially both sides of two arc chambers, described three transmission devices comprise that casing and parallel interval setting and rotation are assemblied in two connecting lever axles on described casing, on described two connecting lever axles, only spinning is furnished with driving connecting lever respectively, the axis of two connecting lever axles is vertical with the direction of motion of the moving contact of moving contact in two arc control device and switch, described two drive the output of connecting lever to be in transmission connection by corresponding connecting rod and two moving contact of breaker respectively, input Synchronous Transmission is assembled together, on two connecting lever axles, all only spinning is furnished with pivoted arm and is in transmission connection with corresponding switch movable contact by described pivoted arm.
Between the terminals of the switch static contact of the fixed contact in two arc control device of described double-fracture circuit breaker and corresponding diverting switch, be provided with quiet end grading ring; Corresponding grading ring on 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-fracture circuit breaker and the switch movable contact of corresponding diverting switch.
Two arc control device of described double-fracture circuit breaker all and be connected to equalizing capacitance.
Also comprise hollow insulation column, the below of described insulation column is provided with drive unit, and described drive unit is in transmission connection by being movably set in vertically drive link in insulation column and the moving contact of described double-fracture circuit breaker and diverting switch.
Also comprise by bracket leg and be located at the inspection platform on horizontal plane, described drive unit and insulation column are all located on described inspection platform.
What adopt due to the arc control device assembly of described 1100kV extra-high voltage series compensation by-pass switch is double-fracture circuit breaker, therefore can meet the requirement of high voltage break-make, and two arc control device of described double-fracture circuit breaker are all parallel with diverting switch, therefore, according to the principle of " two resistance parallel connections, total current is each resistor current sum ", at described diverting switch and double-fracture circuit breaker after combined floodgate, can jointly share making current and rated current by described diverting switch and double-fracture circuit breaker, thereby reduce the through-flow electric current that double-fracture circuit breaker need be born, solve the little problem of specified through-flow electric current that existing by-pass switch can bear, in addition, moving due to described diverting switch again, distance while cut-offfing between fixed contact is greater than moving in arc control device, distance while cut-offfing between fixed contact, and the switch lever of two diverting switchs is synchronous with the pull bar in corresponding arc control device, transmission is assembled together in the same way, therefore, described by-pass switch is in the time of conducting, described double-fracture circuit breaker closes a floodgate prior to diverting switch, in the time closing a floodgate, pass through the arcing of double-fracture circuit breaker with protection diverting switch thereby realize, due to described double-fracture circuit breaker with the opening time of diverting switch under the effect of described drive unit is poor and closing time is poor is all not more than 3 milliseconds, therefore the time compole of the independent super-high-current work of double-fracture circuit breaker is short and unlikely damaged, by-pass switch is in the time disconnecting, described double-fracture circuit breaker hysteresis diverting switch disconnects, thereby make diverting switch in the time disconnecting, described double-fracture circuit breaker is still in conducting state, and then reach the object of protecting diverting switch in the time that by-pass switch disconnects, because double-fracture circuit breaker self has arcing ability, therefore lag behind and disconnect also unlikely damage double-fracture circuit breaker, this has solved the little problem of specified making current of by-pass switch, in sum, 1100kV extra-high voltage series compensation by-pass switch of the present invention not only can meet that large electric current closes and can to meet large electric current through-flow, has increased specified making current and the specified through-flow electric current of by-pass switch simultaneously.
Brief description of the 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 in Fig. 1;
Fig. 3 is the structural representation of the arc control device in Fig. 2;
Fig. 4 is the partial enlarged drawing of Fig. 3 at A place;
Fig. 5 is the structural representation of the diverting switch in Fig. 2;
Fig. 6 is the partial enlarged drawing of Fig. 5 at B place;
Fig. 7 is the structural representation of three transmission devices in Fig. 2;
Fig. 8 is three transmission devices and mutual arc control device in parallel and the transmission principle figure of diverting switch in 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, as shown in Fig. 1-9, there is support 1 and prop up the inspection platform 2 of being located at support 1 top, on inspection platform 2, erect insulation column 3, insulation column 3 is spliced vertically successively by five sections of insulated porcelain sleeves, for ensureing 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 is equipped with arc control device assembly on three transmission device 4, arc control device assembly comprise there is the double-fracture circuit breaker of two arc control device 5 and corresponding equalizing capacitance, in parallel two diverting switchs 6 corresponding to the arc control device of double-fracture circuit breaker and be located at the grading ring between two arc control device and diverting switch.
The structure of two arc control device 5 of double-fracture circuit breaker is identical, by interrupting porcelain insulator 5-1, fixedly be assemblied in the moving contact of breaker seat 5-2 on interrupting porcelain insulator 5-1, circuit breaker static contact seat 5-3, the movable circuit breaker static contact that is assemblied in the moving contact of breaker on moving contact of breaker seat 5-2 and be fixedly assemblied on circuit breaker static contact seat 5-3 forms vertically, wherein the circuit breaker in two arc control device is moving, fixed contact (totally four) is series connection mutually all, interrupting porcelain insulator 5-1 has the passage extending vertically, circuit breaker is moving, fixed contact pedestal all in a tubular form and the two one end be separately equipped with the arc control device flange of plate-like and be fixedly connected with the aluminium alloy flange of being located on interrupting porcelain insulator 5-1 by its arc control device flange, be located at circuit breaker moving, arc control device flange on the fixed contact pedestal simultaneously corresponding circuit breaker that forms moves, the binding post of fixed contact, moving contact of breaker seat 5-2 is interval with two annular fingertips on wall in the inner vertically towards one end of circuit breaker static contact seat 5-3, moving contact of breaker comprises that a both ends open and guiding activity are vertically assemblied in the tubular air cylinder 5-5 in the endoporus of moving contact of breaker seat 5-2, air cylinder 5-5 is electrically connected by its outside wall surface and annular fingertip, and then the electric connection of realization and moving contact of breaker seat 5-2, in the endoporus of moving contact of breaker seat 5-2, be coaxially provided with the piston 5-6 coordinating with air cylinder 5-5 slipper seal by outer peripheral face, piston 5-6 is provided with a guide plate 5-7 and is fixedly assemblied in by guide plate 5-7 in the endoporus of moving contact of breaker seat 5-2 away from one end of circuit breaker static contact seat 5-3, between the internal face of the periphery of guide plate 5-7 and moving contact of breaker seat 5-2, be provided with gas passage, air cylinder 5-5 is coaxially connected with joint 5-8 towards one end of circuit breaker static contact seat 5-3, on joint 5-8, be coaxially installed with moving main contact 5-11, the spout 5-9 and the moving arcing contact 5-10 that overhang towards circuit breaker static contact seat 5-3 vertically, 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 moving arcing contact 5-10, piston 5-6 be provided with connect its axial both sides pore 5-12 and for sealing or open the elastic valve plate 5-13 of 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 static contact seat 5-3, for preventing that air-flow is discharged from by pore 5-12 from spout 5-9 is reverse, on joint 5-8, a side of circuit breaker static contact seat 5-3 is coaxially fixed with circuit breaker tie rod 5-16 dorsad, circuit breaker tie rod 5-16 passes piston and is in transmission connection with the transmission mechanism of being located in three transmission devices 4 away from one end of joint, thereby order about, moving contact of breaker reciprocating motion vertically in corresponding porcelain shell for circuit breaker realizes with it and the divide-shut brake of circuit breaker static contact, circuit breaker static contact seat 5-3 is provided with slot towards the end face of one end of moving contact of breaker seat 5-2, described slot is the cell wall higher than a side on the other side away from the cell wall of a side of the center line of circuit breaker static contact seat, being slot is greater than the overhang length of cell wall on the other side in the axial direction of circuit breaker static contact seat away from the cell wall of a side of the center line of the circuit breaker static contact seat 5-3 length that overhangs vertically, in the slot of circuit breaker static contact seat 5-3, be inserted with the quiet main contact 5-4 corresponding with moving main contact, the periphery (deviating from a side of the center line of circuit breaker static contact seat) of quiet main contact 5-4 radially and between the corresponding cell wall of slot is top-loaded with buffer spring, the upper radome 5-14 that is provided with tubular in the periphery of quiet main contact of circuit breaker static contact seat 5-3, radome 5-14 is for supporting and shield quiet main contact 5-4, in the endoporus of circuit breaker static contact seat 5-3, be also provided with a seat board, seat board cuts off the axial both sides of circuit breaker static contact seat 5-3 and in being provided with the static arc contact 5-15 corresponding with moving arcing contact towards a side of moving contact of breaker, on each arc control device of double-fracture circuit breaker, all can and be connected to equalizing capacitance in addition.When use, can be in transmission connection by described circuit breaker tie rod and drive unit, thereby drive circuit breaker tie rod reciprocating motion vertically to realize the divide-shut brake of the dynamic and static contact of circuit breaker, when combined floodgate, circuit breaker tie rod drives moving contact of breaker to move towards circuit breaker static contact, because described piston is to be fixedly assemblied in described interrupting porcelain insulator, the confined space volume that described air cylinder forms at process and the piston of separating brake motion is compressed, produces high compression SF6 gas.When air cylinder moves to the separation of sound arcing contact, the gases at high pressure in air cylinder are by moving arcing contact 5-10, pull bar 5-16 exhaust.Air cylinder continues motion, and in the time that static arc contact 5-15 separates with spout 5-9, the gases at high pressure in air cylinder are simultaneously by moving arcing contact 5-10, spout 5-9 exhaust.By SF6 Compressed Gas and motion process thereof, the ion producing in interrupting process is gone to dissociate, thus extinguish arcs.Air cylinder is in the process of motion of closing a floodgate, sound arcing contact produces electric arc, and the space that now air cylinder and piston form is expanding and forming negative pressure, the arc ions inspiration air cylinder that sound arcing contact is produced, reduce rapidly arc temperature, the electric arc producing while avoiding closing a floodgate burns parts.
Each diverting switch 6 includes the switch insulator 6-1 of tubulose, in switch insulator 6-1, be arranged with vertically the switch stationary contact headstock 6-2 of tubulose and the switch movable contact headstock 6-3 of tubulose, switch movable contact headstock is provided with switch movable contact 6-4, switch stationary contact headstock 6-2 is provided with switch static contact 6-5, switch movable contact 6-4 is the tubular of an end opening, one end of its switch-oriented fixed contact pedestal 6-2 is openend, between the internal face of the outside wall surface of switch movable contact 6-4 and switch movable contact headstock 6-3, being electrically connected also guiding activity vertically by the two ring spring fingertips that lay at interval is vertically assemblied in switch movable contact headstock 6-3, the stroke of activity when the stroke of activity is greater than moving contact of breaker and moves to corresponding circuit breaker static contact conducting from its open position when switch movable contact 6-4 moves to corresponding switch static contact conducting from open position, suppose that switch movable contact is from its open position setting in motion, the distance of passing by during with corresponding switch static contact conducting when switch movable contact is L1, suppose that moving contact of breaker is from its open position setting in motion, the distance of passing by during with corresponding circuit breaker static contact conducting when moving contact of breaker is L2, L1 > L2, switch movable contact 6-4 dorsad one end of switch stationary contact headstock 6-2 (being sealing end) is connected with switch lever 6-6, switch lever 6-6 is for being connected with drive unit so that switch movable contact 6-4 and switch static contact 6-5 separating brake or combined floodgate, switch stationary contact headstock 6-2 and switch movable contact headstock 6-3 away from each other one end of the other side are equipped with switch flange and are connected by switch flange and switch insulator, switch flange forms the binding post of diverting switch simultaneously, one end place that switch insulator deviates from switch static contact is provided with Crankarm box 6-7 and is equipped with the switch connecting lever 6-8 for driving described switch lever by connecting lever axle in described Crankarm box 6-7, switch connecting lever 6-8 is in transmission connection by a connecting rod and described switch lever 6-6, one end of described connecting rod and switch connecting lever are hinged, the other end and switch lever are hinged.
Three transmission devices 4 are as carrier and the transmission mechanism of double-fracture 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 aperture place of each through hole, the flange that is wherein 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 coaxially 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, the interior parallel interval of three transmission devices 4 is provided with two connecting lever axles and on each connecting lever axle, stops respectively spinning and be furnished with the connecting lever of driving 4-2, the axis of two connecting lever axles is vertical with the direction of motion of each moving contact of breaker and switch movable contact, two drive the output of connecting lever 4-2 to be in transmission connection by corresponding connecting rod and two moving contact of breaker respectively, input is connected with drive unit Synchronous Transmission by corresponding connecting rod, in addition, two drive connecting lever 4-2 output arm length (driving the output of connecting lever 4-2 and the pin joint of the connecting rod length to the distance between the connecting lever axle at its place) and be located at output arm equal in length of the switch connecting lever 6-8 in diverting switch, two connecting lever axles respectively with the Crankarm box of two diverting switchs in connecting lever axle coaxial synchronous be in transmission connection, two drive the input of connecting lever 4-2 to be connected with drive unit Synchronous Transmission, thereby realize the Complete Synchronization motion between moving contact of breaker and each switch movable contact, two driving connecting lever 4-2 and drive unit are by same drive link 7 while being in transmission connection, specifically, be that insulation column 3 is that hollow-core construction activity are vertically equipped with a drive link 7, lower end and the drive unit of this drive link 7 are in transmission connection, and upper end is by a connecting rod and two rod hinge connections that are articulated with on the input of two driving connecting levers, drive unit 8 adopts hydraulic drive mechanism, its movement velocity should be able to ensure that double-fracture circuit breaker and each diverting switch all can complete point, close a floodgate in 35 milliseconds, the difference of L1 and L2 be 20 millimeters should be can meet that double-fracture circuit breaker and each diverting switch all can complete point in 35 milliseconds, make that the closing time of double-fracture circuit breaker and each diverting switch is poor is not more than 3 milliseconds under the prerequisite of combined floodgate.
Grading ring comprises quiet end grading ring and moved end grading ring, and quiet grading ring is located between the terminals of switch static contact of fixed contact in each arc control device of described double-fracture circuit breaker and corresponding diverting switch, i.e. the left and right two ends place of arc control device assembly; Moved end grading ring comprises grading ring and moved end lower uniform pressure ring on moved end, and on moved end, grading ring is located at the top of the cooperation place between the terminals of switch movable contact of moving contact in each arc control device of double-fracture circuit breaker and corresponding diverting switch; Moved end lower uniform pressure ring is located at the below of the cooperation place between the terminals of switch movable contact of moving contact in each arc control device of double-fracture circuit breaker and corresponding diverting switch.
Claims (10)
1.1100kV extra-high voltage series compensation by-pass switch, comprise a double-fracture circuit breaker, between two arc control device of described double-fracture circuit breaker, be provided with three transmission devices, it is characterized in that, on described two arc control device respectively and be connected to a diverting switch independently, the switch stationary contact headstock of two diverting switchs is electrically connected with the fixed contact bearing of the fixed contact in corresponding arc control device, the switch movable contact headstock of two diverting switchs is electrically connected with the moving contact bearing in corresponding arc control device, the switch movable contact upper driving of two diverting switchs is connected with switch lever, the switch lever of two diverting switchs is synchronous with the pull bar in corresponding arc control device, transmission is assembled together in the same way, moving of described diverting switch, distance while cut-offfing between fixed contact is greater than moving in arc control device, distance while cut-offfing between fixed contact, the closing moment 2-3 millisecond of the closing moment hysteresis arc control device of two diverting switchs, described diverting switch is for jointly sharing making current and rated current with double-fracture circuit breaker.
2. 1100kV extra-high voltage series compensation by-pass switch according to claim 1, is characterized in that, described double-fracture circuit breaker is sulphur hexafluoride double-fracture 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 described two arc control device is all provided with as the arc control device flange of binding post and by its arc control device flange and is fixed on described three transmission devices in the corresponding end of the two.
4. 1100kV extra-high voltage series compensation by-pass switch according to claim 1, it is characterized in that, described two diverting switchs include the switch insulator of tubulose, the switch of diverting switch is moving, fixed contact pedestal correspondence is assemblied in the two ends of switch insulator, the guiding activity vertically of described switch movable contact is assemblied in described switch movable contact headstock, described switch lever is located at switch movable contact one end of switch stationary contact headstock dorsad, described switch static contact is located on switch stationary contact headstock, described switch stationary contact headstock and switch movable contact headstock away from each other one end of the other side are equipped with switch flange and are connected by corresponding switch flange and switch insulator, 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, one end place that described switch insulator deviates from switch static contact is provided with Crankarm box and in described Crankarm box, is equipped with the switch connecting lever for driving described switch lever, and described switch connecting lever and switch lever are connected by the link transmission being articulated with between the two.
6. 1100kV extra-high voltage series compensation by-pass switch according to claim 1, it is characterized in that, described two arc control device are coaxial and be oppositely arranged, be parallel to be set up in parallel parallel with these arc control device of diverting switch on two arc control device, described two diverting switchs lay respectively at the radially both sides of two arc chambers, described three transmission devices comprise that casing and parallel interval setting and rotation are assemblied in two connecting lever axles on described casing, on described two connecting lever axles, only spinning is furnished with driving connecting lever respectively, the axis of two connecting lever axles is vertical with the direction of motion of the moving contact of moving contact in two arc control device and switch, described two drive the output of connecting lever to be in transmission connection by corresponding connecting rod and two moving contact of breaker respectively, input Synchronous Transmission is assembled together, on two connecting lever axles, all only spinning is furnished with pivoted arm and is in transmission connection with corresponding switch movable contact by described pivoted arm.
7. 1100kV extra-high voltage series compensation by-pass switch according to claim 1, is characterized in that, between the terminals of the fixed contact of the fixed contact in two arc control device of described double-fracture circuit breaker and corresponding diverting switch, is provided with quiet end grading ring; Corresponding grading ring on 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-fracture 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 described double-fracture 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 described insulation column is provided with drive unit, and described drive unit is in transmission connection by being movably set in vertically drive link in insulation column and the moving contact of described double-fracture circuit breaker and diverting switch.
10. 1100kV extra-high voltage series compensation by-pass switch according to claim 9, is characterized in that, also comprise by bracket leg and be located at the inspection platform on horizontal plane, described drive unit and insulation column are all located on described inspection platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429676.9A CN102568910B (en) | 2011-12-20 | 2011-12-20 | 1100kV extra-high voltage series complement bypass switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429676.9A CN102568910B (en) | 2011-12-20 | 2011-12-20 | 1100kV extra-high voltage series complement bypass switch |
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| Publication Number | Publication Date |
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| CN102568910A CN102568910A (en) | 2012-07-11 |
| CN102568910B true CN102568910B (en) | 2014-07-30 |
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| CN201110429676.9A Active CN102568910B (en) | 2011-12-20 | 2011-12-20 | 1100kV extra-high voltage series complement bypass switch |
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| CN104143462B (en) * | 2013-08-22 | 2016-08-17 | 国家电网公司 | A kind of HVDC rapid closing switch and switch fracture texture thereof |
| CN105355502A (en) * | 2015-11-04 | 2016-02-24 | 平高集团有限公司 | Circuit breaker and connecting box thereof |
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| CN106601538A (en) * | 2016-12-19 | 2017-04-26 | 平高集团有限公司 | Direct current bypass switch |
| DE102017206749A1 (en) * | 2017-04-21 | 2018-10-25 | Siemens Aktiengesellschaft | Arrangement and method for switching high currents in high voltage engineering |
| DE102017206746A1 (en) * | 2017-04-21 | 2018-10-25 | Siemens Aktiengesellschaft | Arrangement and method for parallel switching of high currents in high voltage engineering |
| CN112509857B (en) * | 2020-09-25 | 2023-04-07 | 平高集团有限公司 | Combined high-voltage direct-current bypass switch |
| CN113410824B (en) * | 2021-06-15 | 2022-05-27 | 广东电网有限责任公司广州供电局 | High-voltage alternating-current rapid switch equipment |
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| US4433220A (en) * | 1981-04-22 | 1984-02-21 | Sprecher & Schuh Ag | High-voltage circuit breaker |
| CN86107879A (en) * | 1985-11-27 | 1987-06-10 | 默林·格伦 | The operating device for high-voltage circuit breaker of closed resistance is housed |
| CN1117199A (en) * | 1994-05-23 | 1996-02-21 | 株式会社日立制作所 | Within the convention priority year |
| CN1959892A (en) * | 2006-11-13 | 2007-05-09 | 王光顺 | Very high breaker in use for GIS |
| CN201112255Y (en) * | 2007-08-22 | 2008-09-10 | 新东北电气(沈阳)高压开关有限公司 | 550KV porcelain column type hexafluoride sulphur circuit breaker |
| CN201278327Y (en) * | 2008-08-08 | 2009-07-22 | 河南平高电器股份有限公司 | 1100kV extra-high voltage porcelain knob type SF6 circuit breaker |
| CN202454479U (en) * | 2011-12-20 | 2012-09-26 | 平高集团有限公司 | 1100kV extra-high-voltage series-compensation by-pass switch |
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2011
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433220A (en) * | 1981-04-22 | 1984-02-21 | Sprecher & Schuh Ag | High-voltage circuit breaker |
| CN86107879A (en) * | 1985-11-27 | 1987-06-10 | 默林·格伦 | The operating device for high-voltage circuit breaker of closed resistance is housed |
| CN1117199A (en) * | 1994-05-23 | 1996-02-21 | 株式会社日立制作所 | Within the convention priority year |
| CN1959892A (en) * | 2006-11-13 | 2007-05-09 | 王光顺 | Very high breaker in use for GIS |
| CN201112255Y (en) * | 2007-08-22 | 2008-09-10 | 新东北电气(沈阳)高压开关有限公司 | 550KV porcelain column type hexafluoride sulphur circuit breaker |
| CN201278327Y (en) * | 2008-08-08 | 2009-07-22 | 河南平高电器股份有限公司 | 1100kV extra-high voltage porcelain knob type SF6 circuit breaker |
| CN202454479U (en) * | 2011-12-20 | 2012-09-26 | 平高集团有限公司 | 1100kV extra-high-voltage series-compensation by-pass switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102568910A (en) | 2012-07-11 |
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