CN2796202Y - Gas insulation metal sealed closed switch device - Google Patents

Gas insulation metal sealed closed switch device Download PDF

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Publication number
CN2796202Y
CN2796202Y CN 200520042180 CN200520042180U CN2796202Y CN 2796202 Y CN2796202 Y CN 2796202Y CN 200520042180 CN200520042180 CN 200520042180 CN 200520042180 U CN200520042180 U CN 200520042180U CN 2796202 Y CN2796202 Y CN 2796202Y
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China
Prior art keywords
contact
conductor
bus
fixed
connects
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Expired - Lifetime
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CN 200520042180
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Chinese (zh)
Inventor
钱卫
侯平印
唐剑
张峰
辛重文
郝延梅
黄琴
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Chint Electric Co Ltd
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Chint Electric Co Ltd
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Abstract

The utility model relates to a gas insulation metal sealed and closed switch device characterized in that each breaker of the gas insulation metal sealed and closed switch device vertically connects to an underframe. The ends of two current mutual inductors are arranged on the upper and lower outlet terminals of the breaker. The other end of the upper outlet current mutual inductor connects to two busbar-isolating switches. Two sides of the lower end of the two busbar-isolating switches respectively connect to a ground switch. The other end of the busbar-isolating switch connects to a connecting busbar. The terminal of the connecting busbar verticallyconnects to a voltage mutual inductor, and the lower end of the voltage mutual inductor is provided with a connecting box of the cable terminal. The other end of the current mutual inductor on the outlet terminal below the breaker connects to two busbar-isolating switches. The other end of the outer busbar-isolating switch connects to the ground switch. The lower parts of the two busbar-isolating switches respectively and vertically connect to the main busbar. The gas insulation metal sealed and closed switch device is provided with small occupying space, low power station building cost, simple structure and reduced operating work advantages.

Description

A kind of Cubicle Gas-Insulated Switchgear
Technical field
The utility model relates to a kind of Cubicle Gas-Insulated Switchgear, is the key equipment in the high voltage power transmission and transforming system, is route survey, control, protection maintenance and peak regulation usefulness are carried out in electric power system, belongs to high-voltage switch gear
Technical field.
Background technology
Conventional Cubicle Gas-Insulated Switchgear mainly contains circuit breaker, isolating switch, earthed switch, current transformer, voltage transformer, lightning arrester, bus and goes out composition such as kind of thread elements, they are elements independently, between connect by standard component and to be grouped together, its shortcoming has:
---the arc extinguishing unit of circuit breaker adopts the air pressing type structure, and this structure must the bigger operating work of adapted be come execution;
---the action of circuit breaker is finished by a kind of pneumatic means, and the action of this device must be furnished with an air compression station as power source and by laying the pipeline of certain-length, source of the gas is delivered in this pneumatic means, the laying of pipeline causes compressed air gas leakage easily, cause pneumatic means can't reach the force value of action, the placement of air compression station causes that occupation area of equipment is big, equipment manufacturing cost is high in addition;
---the isolating switch overall dimensions is big and versatility is relatively poor;
---the seal shaft complex structure;
---voltage transformer and cable terminal box are not grouped together;
---the bus structure size is big, and floor space is big;
---big capacity bus connection structure complexity.
Summary of the invention
The purpose of this utility model is that a kind of floor space of invention is little, and the power plant construction cost is low, and is simple in structure, reduces operating work, improves the Cubicle Gas-Insulated Switchgear of Device-Generalization, compoundization.
For realizing above purpose, the technical solution of the utility model provides a kind of Cubicle Gas-Insulated Switchgear, it is characterized in that, by three extremely mutually the gas-insulated metal enclosed switchgear of flat rafts form, each gas-insulated metal enclosed switchgear by circuit breaker, underframe, current transformer, bus isolating switch, support, main bus bar,
Earthed switch, two bus isolating switchs, connection bus, voltage transformer, the cable termination link box is formed, underframe places on the basis, rotatable circuit breaker vertically is connected with underframe, two current transformer that is parallel to each other one ends are vertical at two leading-out terminals up and down of circuit breaker respectively, the other end of upside outlet current transformer is connected with two bus isolating switchs with outlet function, the both sides, lower end of two bus isolating switchs are respectively equipped with an earthed switch, the other end at bus isolating switch is connected with connection bus, the terminal vertical voltage transformer that connects of connection bus, upside outlet current transformer, bus isolating switch and connection bus are located on the same center line, the lower end of voltage transformer is provided with the cable termination link box, the cable termination link box is drawn high-tension cable, adjustable cable termination link box is fixed on the support, voltage transformer, the cable termination link box is set up on the same center line with propping up, the other end of the current transformer of described circuit breaker downside leading-out terminal connects two bus isolating switchs that connect together, the current transformer of downside leading-out terminal is located on the same center line with two bus isolating switchs that connect together, the other end of side bus isolating switch connects earthed switch outside, two bus isolating switch lower ends respectively with two vertical connections of the main bus bar that is parallel to each other, adjustable main bus bar is fixed on the support.
The utility model changes the air pressing type arc extinguishing structure of circuit breaker into the self extinguishing type arc extinguishing structure, operating work is reduced, change pneumatic means into the spring powder operation device, cancelled air machinery, make apparatus arrangement compact more, the power station area is dwindled greatly, reduced the power plant construction fund input, dwindled the overall dimension of isolating switch simultaneously, strengthened the versatility of structure, simplify the seal shaft structure, made equipment more simple and reliable, be convenient to the manufacturing of product, voltage transformer and cable terminal box are grouped together, simplified bus connection structure, dwindled overall dimension, made equipment compact more.
The utility model has the advantages that floor space is little, the power plant construction cost is low, and is simple in structure, reduces operating work, improves Device-Generalization, compoundization.
Description of drawings
Fig. 1 is a kind of Cubicle Gas-Insulated Switchgear contour structures schematic diagram;
Fig. 2 is a kind of Cubicle Gas-Insulated Switchgear vertical view;
Fig. 3 is a utmost point gas-insulated metal enclosed switchgear structural representation;
Fig. 4 is the breaker structure schematic diagram;
Fig. 5 is the current transformer structural representation;
Fig. 6 is a bus isolating switch 6a construction of switch schematic diagram;
Fig. 7 is that bus isolating switch 6aH is to structural representation;
Fig. 8 is the earthed switch structural representation;
Fig. 9 is a bus isolating switch 6b construction of switch schematic diagram;
Figure 10 is the main bus bar structural representation;
Figure 11 is the connection bus structural representation;
Figure 12 is cable termination link box 14 structural representations;
Figure 13 is embodiment 2 Cubicle Gas-Insulated Switchgear contour structures schematic diagrames;
Figure 14 is embodiment 3 Cubicle Gas-Insulated Switchgear contour structures schematic diagrames;
Figure 15 is embodiment 4 Cubicle Gas-Insulated Switchgear contour structures schematic diagrames.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1
As Fig. 1,2, shown in 3, be a kind of Cubicle Gas-Insulated Switchgear structural representation, described gas-insulated metal enclosed switchgear 1 by three extremely mutual flat rafts is formed, each gas-insulated metal enclosed switchgear 1 is by circuit breaker 2, underframe 3, current transformer 4, bus isolating switch 6a, 6b, support 7, main bus bar 8a, 8b, earthed switch 9, two bus isolating switchs 11, connection bus 12, voltage transformer 13, cable termination link box 14 is formed, the underframe made from shape 3 is installed on the basis 10, rotatable circuit breaker 2 vertically is connected with underframe 3, this connection is that scalable connects, two current transformer that is parallel to each other 4 one ends are vertically mounted on two leading-out terminals up and down of circuit breaker 2 respectively, the other end of upside outlet current transformer 4 is connected with two bus isolating switchs 11 with outlet function, the both sides, lower end of two bus isolating switchs 11 are installed an earthed switch 9 respectively, the other end at bus isolating switch 11 is connected with connection bus 12, the connection bus 12 terminal vertical voltage transformers 13 that connect, upside outlet current transformer 4, bus isolating switch 11 and connection bus 12 are located on the same center line, the lower end of voltage transformer 13 is provided with cable termination link box 14, cable termination link box 14 is drawn high-tension cable 15, adjustable cable termination link box 14 is fixed on the support 16, this fixedly is that a kind of scalable is fixed, voltage transformer 13, cable termination link box 14 and support 16 are located on the same center line, the other end of the current transformer 4 of described circuit breaker 2 downside leading-out terminals connects two bus isolating switch 6a that connect together, 6b, the bus isolating switch 6a that the current transformer 4 of downside leading-out terminal connects together with two, 6b is located on the same center line, the other end of side bus isolating switch 6a connects earthed switch 9 outside, two bus isolating switch 6a, the 6b lower end respectively with two main bus bar 8a that are parallel to each other, 8b vertically connects, adjustable main bus bar 8a, 8b is fixed on the support 7.
Circuit breaker 2 every utmost point shell upper outlets usually can be around pole axis half-twist or 180, because circuit breaker 2 every utmost points all have independently drive unit, and therefore every outlet that different directions extremely can be arranged.
As shown in Figure 4, be circuit breaker 2 structural representations, the fixed contact 20 of upper end, shell 17 centers of described circuit breaker 2 is connected with cover plate 22 by fixed insulation 21, blast protection sheet 23 is installed on the cover plate 22, fixed contact 20 is connected with the sliding conductor 28 of current transformer 4 by the vertically arranged contact apparatus 24 in right side, trigger device 25 is installed in fixed contact 20 lower ends, trigger device 25 is connected with shell 17 flange in the bottom 27 by fixed insulation 26, fixed contact 20, trigger device 25 is connected with the sliding conductor 28 of current transformer 4 by the vertically arranged contact apparatus 24 in right side respectively, insulating bar 18 is installed at trigger device 25 centers, the upper end of insulating bar 18 is provided with moving contact 19, the lower end of insulating bar 18 connects drive unit 5, drive unit 5 is installed in the lower end of shell 17, shell 17, fixed contact 20, trigger device 25 and drive unit 5 are located on the same center line, and shell is filled SF in 17 gaps 6Gas.
Contact apparatus 25 is delivered to electric current, voltage by contact apparatus 24 bottom of circuit breaker 2, and when breaker closing, connect operating current, drive unit 5 is delivered to power on the insulating bar 18 by the conversion of power, the moving contact 19 that insulating bar 18 promotes in the trigger device 25 moves upward, and the arc extinguishing unit top that is fixed on during installation on the cover plate 24 hangs in the shell from the top.
As shown in Figure 5, be the current transformer structural representation, described current transformer 4 comprises an airtight metal shell 29 and is contained in its inner Primary Conductor 28, secondary coil 30, shielding cylinder 36, with bolt shielding cylinder 36 is fixed in the shell 29, on shielding cylinder 36, can put 1~5 secondary coil 30, for being contained on the shielding cylinder 36, secondary coil 30 can not be subjected to displacement because of vibrations, top at secondary coil 30 is fixed with the metal fixture 31 that a cover is fixed on the shielding cylinder 36, pass a Primary Conductor 28 at the center of shielding cylinder 36, one end of Primary Conductor 28 is connected with circuit breaker 2, the other end is by contact assembly 37,38,39,40 are connected with connection bus 12, when current transformer 4 work, when electric current passes through the Primary Conductor 28 of high potential, induce the secondary current of electronegative potential at secondary coil 30, and draw by electric current lead-out wire 32, electric current lead-out wire 32 is by on the connection lead 34 that is fixed on an insulator 33, this current signal is guided to the outside, and insulator 99 usefulness bolts and metal shell 29 are tightly connected.And get up with a metal cap 35 covers in the outside.
As Fig. 6, shown in 7, be the bus isolating switch structural representation, the insulator 56 that housing 43 left conductor 57 of described bus isolating switch 6a are passed is tightly connected by the hole 41 usefulness bolts of flange 58 and cover plate 59 and housing 43, in cover plate 59 outsides another flange that is used for fixing cover plate 59 60 is housed, and vertically be connected with insulated tension pole 61, insulated tension pole 61 passes radome 55 and connects drive unit 62, but the moving contact 49 of movement in vertical direction is installed in the radome 55, conductor 47 is fixed on the conductor 42, conductor 42 is connected with electric current bonding conductor 57, a movable contact 48 is installed on conductor 47, connect moving contact 49 by conductor 47, so that electric current flows on the moving contact 49 from the conductor 47 of isolating switch, moving contact 49, movable contact 48 all is on the same axis, the insulator 53 that conductor 51 passes is connected with housing 43 lower ends by flange 54, contact base 50 is installed in the upper end of conductor 51, conductor 47 and contact base 50 outer surfaces all should rounding ofves, be beneficial to Electric Field Distribution, contact base 50 is installed a fixed contact 52 that is complementary with moving contact 48 near radome 55 1 ends, with being provided with break distance between a radome 55 that the effect of electric boundary arranged and the fixed contact 52, when isolating switch 6a opens, between radome 55 and the fixed contact 52 certain break distance is arranged, be added in the whole voltages on this position in the time that operation can being tolerated, the right side of housing 43 is connected with earthed switch 9 by flange 46, the upper end of housing 43 is connected with end cap 45 by flange 44, electric current bonding conductor 57,51 are in operation is in high potential, and with the metal shell insulation of product.
When isolating switch 6a connects, insulated tension pole 61 by 62 actuatings of isolating switch drive unit makes moving contact 48 move to fixed contact 52 along the vertical axis direction and contacts, owing in isolating switch connection process, produce voltage prebreakdown at the power-frequency voltage between radome 55 and the fixed contact 52, geometry by radome 55 and fixed contact 52, can be controlling fully by the voltage prebreakdown electric arc of 52 of the caused moving contact 49 of power-frequency voltage and fixed contacts between radome 55 and the fixed contact 52, can not expand to shell 43, isolating switch drive unit 62 is designed under any circumstance to make moving contact 49 move to predetermined on-position reliably, so just guaranteed that the contact under rated current reliably switches on, same isolating switch disconnects also no problem.
As shown in Figure 8, be the earthed switch structural representation, be provided with the contact base 67 of arranged concentric in the housing 66 of described earthed switch 9, these contact base 67 inwalls are provided with and connect fingertip 64 and two garden rings 68, moving contact 69 is installed in the center of contact base 67, one end is connected with the contact device 62 that has radome 63, and the end of earthed switch housing 66 is provided with blast protection sheet 65.
As shown in Figure 9, be isolating switch 6b structural representation, the structure of isolating switch 6b and isolating switch 6a are identical, the earthed switch 9 of only not packing into, the substitute is current 70 be connected a shared earthed switch 9 with isolating switch 6a by bonding conductor 57 just can reliable ground.
Isolating switch 6a, 6b can be contained in the optional position of product, earthed switch 9 equally also can be contained in the optional position and use, therefore not limited by the installation site, earthed switch 9 both can have been worked as earthed switch and used, also can be used as fail close splice grafting ground switch uses, the isolating switch 6a that is connected with earthed switch 9,6b compact conformation, and on the direction of axis, occupy enough little locus, entire product just can be made less size like this.
The contact motion of isolating switch 6a, 6b is controlled by an electronic or actuating device of the spring that is arranged in the isolating switch housing exterior, but but also manual actuation of isolating switch 6a, 6b, the motion of the contact of earthed switch 9 is also by an electronic or actuating device of the spring control that is arranged in the earthed switch housing exterior, and the drive arrangement of isolating switch 6a, 6b and earthed switch 9 be easy to touch, same level.Isolating switch and earthed switch are provided with the position indicating device and the locking device of mechanical connection, and its advantage is operation, easy to maintenance.
As shown in figure 10, be the main bus bar structural representation, described main bus bar 8a is identical with main bus bar 8b structure, described main bus bar 8a is three boxes extremely altogether, three insulation supporters 77 are equipped with in bus housing 71 inside, be connected with three utmost point currents 78 respectively by contact base 76, three utmost point currents 78 are triangularly arranged, each contact base 76 is vertically installed conductor 75, a connection contact 74 that has radome is installed above conductor 75, contact assembly 72 is loaded on and connects in the contact 74, contact assembly 72 is connected with electric current bonding conductor 51 usefulness bolts, the insulator 53 that electric current bonding conductor 51 passes is connected with flange 73, so just foreign current can be introduced main bus bar 8a, 8b.
As shown in figure 11, be the connection bus structural representation, electric current bonding conductor 80 on the fixed contact side insulator 79 of described isolating switch 11 stretches out and is connected with a contact assembly 81, contact assembly 81 lower ends are connected with the earthed switch 9 that is vertical at isolating switch 11 lower ends by fixed contact 82, contact assembly 81 is connected by the current 84 that has connecting ring 83 with contact assembly 85, and contact assembly 85 is connected with bonding conductor 87 on the insulator 86.
The connected mode of isolating switch 11 and earthed switch 9 is identical with the connected mode of isolating switch 6a and earthed switch 9, and unique difference is that the earthed switch 9 dynamic and static contacts that are connected with isolating switch 6a are along the horizontal axis direction.
As shown in figure 12, be cable termination link box 14 structural representations, bonding conductor 89 1 sides of described cable connecting terminal case 14 inside are connected with bonding conductor 87 on the insulator 86 by bonding conductor 90, cable connecting terminal case 14 tops are by being fixed on the contact base 93 on the bonding conductor 89, bonding conductor 92 and contact assembly 91 are electrically connected with the instrument transformer 13 of measuring voltage, the below is connected with the bonding conductor 96 of cable end piece by the contact assembly that has Mume flower contact 95 94 that is fixed on the bonding conductor 89, consider that electric field evenly distributes, be provided with radome 97 in bonding conductor 96 outsides of contact assembly 94 and cable.
During work, the utility model is as a kind of high-voltage switch gear product, in the power station, play the function of an outage and energising, when the power station need be when sending electricity outside, earthed switch 9 separating brakes, isolating switch 6 and circuit breaker 2 in this equipment are closed a floodgate, when power station equipment need overhaul or other reasons need cut off the electricity supply the time, isolating switch 6 and circuit breaker 2 separating brakes in this equipment, earthed switch 9 closes a floodgate.
Embodiment 2
As shown in figure 13, be embodiment 2 Cubicle Gas-Insulated Switchgear contour structures schematic diagrames, the utility model can be as required removing near the isolating switch 6b of circuit breaker 2 sides and bus 8 and conductor 70, the right side is had earthed switch 9 be connected with isolating switch 6a, the outlet that circuit breaker 2 upsides are arranged also can be along axis Rotate 180 ° layout.
Embodiment 3
As shown in figure 13, be embodiment 3 Cubicle Gas-Insulated Switchgear contour structures schematic diagrames, the utility model only is a kind of cable turnover line mode, when becoming overhead wire turnover line mode, with voltage transformer 13 cancellations, the substitute is inside the porcelain bushing 98 of current is housed, this casing axis and pedestal 10 are perpendicular, subjacent cable terminal link box 14 and cable 15 are also cancelled, the substitute is bonding conductor 100, and the bus 99 of the contact assembly identical with contact assembly 93 is housed, and this section bus housing is connected with insulator 98 pipe flanges by the bolt upside, and the left side is connected with connection bus 12 shell flanges.
Embodiment 4
As shown in figure 14, be embodiment 4 Cubicle Gas-Insulated Switchgear contour structures schematic diagrames, the utility model becomes when being connected with transformer by being connected with cable, with voltage transformer 13 cancellations, adorn a cover plate 101 usefulness bolts and seal this hole, substructure is similar to the cable method of attachment, and different only is cable end piece epoxy vertebra to be changed into the terminal oil gas sleeve pipe 102 of transformer get final product.

Claims (9)

1. Cubicle Gas-Insulated Switchgear, it is characterized in that, gas-insulated metal enclosed switchgear (1) by three extremely mutual flat rafts is formed, each gas-insulated metal enclosed switchgear (1) is by circuit breaker (2), underframe (3), current transformer (4), bus isolating switch (6a, 6b), support (7), main bus bar (8a, 8b), earthed switch (9), two bus isolating switchs (11), connection bus (12), voltage transformer (13), cable termination link box (14) is formed, underframe (3) places on the basis (10), rotatable circuit breaker (2) vertically is connected with underframe (3), two current transformer that is parallel to each other (4) one ends are vertical at two leading-out terminals up and down of circuit breaker (2) respectively, the other end of upside outlet current transformer (4) is connected with two bus isolating switchs (11) with outlet function, the both sides, lower end of two bus isolating switchs (11) are respectively equipped with an earthed switch (9), the other end at bus isolating switch (11) is connected with connection bus (12), the terminal vertical voltage transformer (13) that connects of connection bus (12), upside outlet current transformer (4), bus isolating switch (11) and connection bus (12) are located on the same center line, the lower end of voltage transformer (13) is provided with cable termination link box (14), cable termination link box (14) is drawn high-tension cable (15), adjustable cable termination link box (14) is fixed on the support (16), voltage transformer (13), cable termination link box (14) and support (16) are located on the same center line, the other end of the current transformer (4) of described circuit breaker (2) downside leading-out terminal connects two bus isolating switch (6a that connect together, 6b), bus isolating switch (the 6a that the current transformer of downside leading-out terminal (4) connects together with two, 6b) be located on the same center line, the other end of side bus isolating switch (6a) connects earthed switch (9) outside, two bus isolating switch (6a, 6b) lower end respectively with two main bus bar (8a that are parallel to each other, 8b) vertical connection, adjustable main bus bar (8a, 8b) be fixed on the support (7).
2. a kind of Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that, the fixed contact (20) of the upper end, shell (17) center of described circuit breaker (2) is connected with cover plate (22) by fixed insulation (21), cover plate (22) is provided with blast protection sheet (23), the contact apparatus (24) that fixed contact (20) vertically is provided with by a side is connected with the sliding conductor (28) of current transformer (4), fixed contact (20) lower end is provided with trigger device (25), trigger device (25) is connected with shell (17) flange in the bottom (27) by fixed insulation (26), fixed contact (20), the contact apparatus (24) that trigger device (25) vertically is provided with by homonymy respectively is connected with the sliding conductor (28) of current transformer (4), trigger device (25) center is provided with insulating bar (18), the upper end of insulating bar (18) is provided with moving contact (19), the lower end of insulating bar (18) connects drive unit (5), drive unit (5) is located at the lower end of shell (17), shell (17), fixed contact (20), trigger device (25) and drive unit (5) are located on the same center line, and shell is provided with SF6 gas in (17).
3. a kind of Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that, described current transformer (4) comprises a shell (29) and is contained in its inner Primary Conductor (28), secondary coil (30), shielding cylinder (36), shielding cylinder (36) is fixed in the shell (29), on shielding cylinder (36), be provided with secondary coil (30), the top of secondary coil (30) is fixing by the metal fixture (31) that is fixed on the shielding cylinder (36), shielding cylinder (36) the center be provided with Primary Conductor (28), one end of Primary Conductor (28) is connected with circuit breaker (2), the other end is by contact assembly (37,38,39,40) be connected with connection bus (12), secondary coil (30) is drawn by electric current lead-out wire (32), electric current lead-out wire (32) is fixed on by insulator (33) and connects on the lead (34), insulator (33) is connected with metal shell (29), and metal cap (35) is located at outside the insulator (33).
4. a kind of Cubicle Gas-Insulated Switchgear according to claim 3 is characterized in that, described secondary coil (30) is 1~5.
5. a kind of Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that, the insulator (56) that housing (43) one side conductors (57) of described bus isolating switch (6a) pass is connected with the hole (41) of housing (43) with cover plate (59) by flange (58), be provided with another flange that is used for fixing cover plate (59) (60) in cover plate (59) outside, and vertically be connected with insulated tension pole (61), insulated tension pole (61) passes radome (55) and connects contact device (62), radome (55) but in be provided with the moving contact (49) of movement in vertical direction, conductor (47) is fixed on the conductor (42), conductor (42) is connected with electric current bonding conductor (57), on conductor (47), be provided with a movable contact (48), connect moving contact (49) by conductor (47), moving contact (49), movable contact (48) all is on the same axis, the insulator (53) that conductor (51) passes is connected with housing (43) lower end by flange (54), the upper end of conductor (51) is provided with contact base (50), contact base (50) is provided with a fixed contact (52) that is complementary with moving contact (48) near radome (55) one ends, be provided with break distance between radome (55) and the fixed contact (52), the opposite side of housing (43) is connected with earthed switch (9) by flange (46), and the upper end of housing (43) is connected with end cap (45) by flange (44).
6. a kind of Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that, be provided with the contact base (67) of arranged concentric in the housing (66) of described earthed switch (9), this contact base (67) inwall is provided with and connects fingertip (64) and two garden rings (68), moving contact (69) is located at the center of contact base (67), one end is connected with the contact device that has radome (63) (62), and the end of earthed switch housing (66) is provided with blast protection sheet (65).
7. a kind of Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that, described main bus bar (8a) is identical with main bus bar (8b) structure, described main bus bar (8a) is three boxes extremely altogether, bus housing (71) inside is provided with three insulation supporters (77), be connected with three utmost point currents (78) respectively by contact base (76), three utmost point currents (78) are triangularly arranged, each contact base (76) vertically is provided with conductor (75), be provided with a connection contact (74) that has radome in conductor (75) top, contact assembly (72) is located at and is connected in the contact (74), contact assembly (72) is electrically connected with electric current bonding conductor (51), and the insulator (53) that electric current bonding conductor (51) passes is connected with flange (73).
8. a kind of Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that, electric current bonding conductor (80) on the fixed contact side insulator (79) of described isolating switch (11) stretches out and is connected with a contact assembly (81), contact assembly (81) lower end is connected with the earthed switch (9) that is vertical at isolating switch (11) lower end by fixed contact (82), contact assembly (81) is connected by the current (84) that has connecting ring (83) with contact assembly (85), and contact assembly (85) is connected with bonding conductor (87) on the insulator (86).
9. a kind of Cubicle Gas-Insulated Switchgear according to claim 1, it is characterized in that, inner bonding conductor (89) one sides of described cable connecting terminal case (14) are connected with bonding conductor (87) on the insulator (86) by bonding conductor (90), cable connecting terminal case (14) top is by being fixed on the contact base (93) on the bonding conductor (89), bonding conductor (92) and contact assembly (91) are electrically connected with the instrument transformer (13) of measuring voltage, the below is connected with the bonding conductor (96) of cable end piece by the contact assembly that has Mume flower contact (95) (94) that is fixed on the bonding conductor (89), is provided with radome (97) in bonding conductor (96) outside of contact assembly (94) and cable.
CN 200520042180 2005-06-06 2005-06-06 Gas insulation metal sealed closed switch device Expired - Lifetime CN2796202Y (en)

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CN 200520042180 CN2796202Y (en) 2005-06-06 2005-06-06 Gas insulation metal sealed closed switch device

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CN 200520042180 CN2796202Y (en) 2005-06-06 2005-06-06 Gas insulation metal sealed closed switch device

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CN101589527B (en) * 2006-12-21 2012-04-18 Abb技术股份有限公司 High-voltage switchgear
CN101540485B (en) * 2008-03-19 2012-06-27 株式会社东芝 Gas-insulated switchgear
CN103368080A (en) * 2013-07-17 2013-10-23 牛虎明 Gas-insulating high-voltage combination appliance
CN103368099A (en) * 2013-07-17 2013-10-23 牛虎明 Composite apparatus with enclosed metal
CN104682247A (en) * 2015-01-30 2015-06-03 南通弘峰机电有限公司 Closed metallic container for SF6 gas insulated switchgear
CN105702515A (en) * 2016-03-08 2016-06-22 河南平高电气股份有限公司 Isolating and grounding switch mechanism and gas-insulated metal-enclosed switchgear
CN105900301A (en) * 2014-01-20 2016-08-24 三菱电机株式会社 Gas-insulated switching device
CN106253122A (en) * 2016-08-11 2016-12-21 现代重工(中国)电气有限公司 A kind of Cubicle Gas-Insulated Switchgear
CN107910801A (en) * 2017-11-28 2018-04-13 国网福建省电力有限公司 A kind of 220kV cable outlets HGIS devices
CN108604784A (en) * 2016-02-11 2018-09-28 西门子股份公司 Encapsulating housing for gas-insulated switchgear is arranged
CN112005456A (en) * 2018-04-05 2020-11-27 西门子股份公司 Electric energy transmission device

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101589527B (en) * 2006-12-21 2012-04-18 Abb技术股份有限公司 High-voltage switchgear
CN101291044B (en) * 2007-04-20 2010-12-22 三菱电机株式会社 Switching device
CN101540485B (en) * 2008-03-19 2012-06-27 株式会社东芝 Gas-insulated switchgear
CN102354921A (en) * 2011-10-10 2012-02-15 正泰电气股份有限公司 Tripolar common-box/enclosure main bus bar device
CN103368099B (en) * 2013-07-17 2015-08-19 国网河南省电力公司商丘供电公司 Metal closed combined electrical appliance
CN103368099A (en) * 2013-07-17 2013-10-23 牛虎明 Composite apparatus with enclosed metal
CN103368080B (en) * 2013-07-17 2015-08-05 牛虎明 Gas isolated high-voltage combined electrical apparatus
CN103368080A (en) * 2013-07-17 2013-10-23 牛虎明 Gas-insulating high-voltage combination appliance
CN105900301A (en) * 2014-01-20 2016-08-24 三菱电机株式会社 Gas-insulated switching device
CN104682247A (en) * 2015-01-30 2015-06-03 南通弘峰机电有限公司 Closed metallic container for SF6 gas insulated switchgear
CN108604784A (en) * 2016-02-11 2018-09-28 西门子股份公司 Encapsulating housing for gas-insulated switchgear is arranged
CN105702515A (en) * 2016-03-08 2016-06-22 河南平高电气股份有限公司 Isolating and grounding switch mechanism and gas-insulated metal-enclosed switchgear
CN105702515B (en) * 2016-03-08 2018-03-02 河南平高电气股份有限公司 A kind of isolation earthing switch mechanism and Cubicle Gas-Insulated Switchgear
CN106253122A (en) * 2016-08-11 2016-12-21 现代重工(中国)电气有限公司 A kind of Cubicle Gas-Insulated Switchgear
CN107910801A (en) * 2017-11-28 2018-04-13 国网福建省电力有限公司 A kind of 220kV cable outlets HGIS devices
CN112005456A (en) * 2018-04-05 2020-11-27 西门子股份公司 Electric energy transmission device

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