CN202013820U - Series compensation bypass switchgear - Google Patents
Series compensation bypass switchgear Download PDFInfo
- Publication number
- CN202013820U CN202013820U CN2011200477370U CN201120047737U CN202013820U CN 202013820 U CN202013820 U CN 202013820U CN 2011200477370 U CN2011200477370 U CN 2011200477370U CN 201120047737 U CN201120047737 U CN 201120047737U CN 202013820 U CN202013820 U CN 202013820U
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- CN
- China
- Prior art keywords
- coil
- pass switch
- series compensation
- fixed contact
- switch equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A series compensation bypass switchgear comprises a seal box body filled with inert gas, wherein a pressure relief cover and two insulated sleeves are arranged on the box body; a bypass switch is mounted in the box body through an insulator and comprises an insulation baseplate, a fixed contact mounted on the insulation baseplate, and a coil with a tap, as well as a movable contact matched with the fixed contact; the fixed contact is electrically connected with a grounding point of the box body; two ends of the coil are electrically connected with conductive posts in the two insulated sleeves; the movable contact is supported on the opposite side of the fixed contact through a rotating shaft and electrically connected with the tap of the coil; an iron core is arranged at the end part of the coil; and an armature matched with the iron core is fixedly connected with the rotating shaft through a first support bar. The switchgear has a simple structure, is safe and reliable, can efficiently improve the security of a power supply system, and further comprises a counter capable of counting the action frequency of the bypass switch.
Description
Technical field
The utility model relates to series compensation by-pass switch equipment, as series compensation protective device bypass discharging gap usefulness, is applicable to electrified railway traction power supply system, also can be used for electric power system.
Background technology
When electric power system is short-circuited fault, or when the thunderbolt situation, big function of current current potential rises to the discharging gap in the ground networks and absorbs overvoltage electricity consumption tank capacity and causes damage, thereby causes power supply trouble easily.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, safe and reliable series compensation by-pass switch equipment, with the fail safe of effective raising electric power system.
The utility model series compensation by-pass switch equipment, comprise inert gas filled seal case, release of pressure cover and two insulating sleeves are set on the described casing, by insulator a by-pass switch is installed in the described casing, described by-pass switch contains insulating base, be installed in fixed contact and coil on the described insulating base with a tap, and the moving contact that cooperates with described fixed contact, described fixed contact is electrically connected with the earth point of described casing, the two ends of described coil are electrically connected with conductive pole in described two insulating sleeves respectively, described moving contact is supported in the opposite of described fixed contact by the rotating shaft on the described base plate, moving contact is electrically connected with the tap of described coil, in described overhang iron core is set on the described base plate, the armature that cooperates with this iron core is affixed by first support bar and described rotating shaft.
Further comprise the counter of a band frizzen, described counter is installed in the end of second support bar on the described base plate, and the frizzen of counter and the described first support bar hinge are provided for observing the observation window of described meter reading on the described casing.
Further can also comprise a stopping means that is used for separating with fixed contact the maximum rotation angle of the described rotating shaft of back restriction at moving contact.
Inert gas in the described casing is preferably sulphur hexafluoride, and the air pressure in the casing is preferably 0.03Mpa.
Described coil is made of a single-turn circular coil and a multiturn coil series connection, and the common point of a single-turn circular coil and a multiturn coil is tap.
The utility model is arranged on moving contact, fixed contact, coil, armature, iron core and constitutes by-pass switch on the insulating base, by insulator this by-pass switch is fixed in the inert gas filled seal case, and draw high-pressure side by insulating sleeve, thereby constitute series compensation by-pass switch equipment, it is simple in structure, safe and reliable, as effectively to improve electric power system fail safe.
It has counter, can count the action frequency of by-pass switch, and see the reading of counter from the casing external enwergy easily.
Description of drawings
Fig. 1 is the structural representation of present embodiment series compensation by-pass switch equipment.
Fig. 2 is the front view of Fig. 1 series compensation by-pass switch equipment.
Fig. 3 is the left view of Fig. 1 series compensation by-pass switch equipment.
Fig. 4 is the C-C cutaway view of Fig. 2.
Fig. 5 is the structural representation of by-pass switch among Fig. 1 embodiment.
Fig. 6 is the left view of by-pass switch shown in Figure 5.
Fig. 7 is the A-A cutaway view of Fig. 5.
Fig. 8～Figure 10 is moving contact and the installation diagram of armature in rotating shaft in the by-pass switch shown in Figure 5, and wherein Fig. 8 is a front view, and Fig. 9 is a left view, and Figure 10 is a vertical view.
Figure 11 is the circuit diagram of this series compensation by-pass switch equipment.
Figure 12 is the application circuit of this series compensation by-pass switch equipment.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
The model of present embodiment series compensation by-pass switch equipment is CBK1-10 (FL).With reference to Fig. 1～10, this series compensation by-pass switch equipment comprises inert gas filled seal case 1, release of pressure cover 6 and two insulating sleeves 8 are set on the described casing 1, by insulator 9 by-pass switch 11 is installed in the described casing 1, described by-pass switch 11 contains insulating base 12, be installed in fixed contact 21 and coil 17 on the described insulating base 12, and the moving contact 25 that cooperates with described fixed contact 21, described fixed contact 21 is electrically connected with the earth point of described casing 1, described coil 17 is used for driving switch and closes a floodgate, the two ends of coil 17 are electrically connected with conductive pole in described two insulating sleeves 8 respectively, coil 17 has a tap with these coil 17 separated into two parts, in Figure 11, represent with mark M1 and M2 respectively, wherein M1 keeps using coil as switch, in the present embodiment, M1 is a single turn, and M2 is a multiturn.By four stay pipes 23 two bearings 13 are installed on the described base plate 12, two bearings 13 support a rotating shaft 14, described moving contact 25 is supported in the opposite of described fixed contact 21 by the rotating shaft 14 on the described base plate 12, moving contact 25 is electrically connected with the tap of described coil 17, in the end of described coil 17 iron core 16 is set on the described base plate 12, the armature 27 that cooperates with this iron core 16 is affixed by first support bar 26 and described rotating shaft 14.
The counter 15 that also comprises a band frizzen 15a, described counter 15 is installed in the end of the second support bar 15b on the described base plate 12, the frizzen 15a of counter 15 and described first support bar, 26 hinges, rotating shaft 14 every driving moving contact 25 actions once, the swing of first support bar 26 makes counter 15 add a counting by frizzen 15a, thereby can realize the action frequency counting to by-pass switch 11, described casing 1 is provided with the observation window 4 that is used to observe described counter 15 readings.
Fixed contact 21 arranged outside arc-extinguish chambers 18.
With reference to Fig. 1～3, casing 1 contain cylindrical body, two end covers 2 and 5 and cylindrical body under support, Pressure gauge and watch glasses 3 are set on the end cover 2, described release of pressure cover 6 is set on another end cover 5.Casing 1 upper end is provided with described insulating sleeve 8, and other is provided with suspension ring 7.Filled the sulfur hexafluoride gas of 0.03Mpa in the casing 1.
With reference to Fig. 6, also comprise a stopping means 24, stopping means 24 is used for separating with fixed contact 21 at moving contact 25 the maximum rotation angle of the described rotating shaft 14 of back restriction.This stopping means 24 comprises guide rod that is arranged on first support bar, 26 lower ends and the guide ring that is arranged on the base plate 12, and guide rod is set in the guide ring, and the locating piece of position-adjustable is set on the guide rod.
Stable, reliable for further assurance equipment, being electrically connected of the conductive pole that coil 17 and two insulating sleeves 8 are interior, and the electrical connection of the tap of coil 17 and described moving contact 25 is all by realizing after the wiring screw rod transfer on the base plate 12.Specifically, first～the 44 wiring screw rod 20a～20d is set on base plate 12, the two ends of coil 17 are connected with the first and second wiring screw rod 20a, 20b respectively, the first and second wiring screw rod 20a, 20b are connected with conductive pole in two insulating sleeves 8 by different flexible conductor 10 respectively, thus being electrically connected of the interior conductive pole of realization coil 17 and two insulating sleeves 8.The tap of coil 17 is connected with the 3rd wiring screw rod 20c, the 3rd wiring screw rod 20c is connected with the 4th wiring screw rod 20d by conductive plate 19, moving contact 25 is connected with the 4th wiring screw rod 20d by flexible conductor 22, thereby realizes the tap of coil 17 and the electrical connection of described moving contact 25.
Figure 11 is the circuit diagram of this series compensation by-pass switch equipment.L1 and L2 represent lead terminal among Figure 11, i.e. conductive pole in two insulating sleeves 8, and M1 is that switch keeps use coil, M1 and M2 series connection back are formed the switch combined floodgate and are used coil, promptly described coil 17, K represents the contact of by-pass switch, N represents the exit of fixed contact.
Figure 12 is the application circuit of this series compensation by-pass switch equipment.Wherein, L is a current limiting reactor, and R is a protective wire, and E is ground, and CP is a discharging gap, and C is for absorbing the overvoltage capacitor, and BP is this series compensation by-pass switch equipment, and is identical among M1, M2 among Figure 12, L1, L2, K, N and Figure 11.
The following describes its operation principle.When electric power system is short-circuited fault or when the thunderbolt situation, just flow through electric current in the R-M1-M2-CP-E loop among Figure 12, the electric current that flows through as M1 and M2 surpasses 400A, coil 17 makes armature 27 and iron core 16 adhesives, this adhesive drives rotating shaft 14 rotations makes moving contact 25 contact with fixed contact 21, thereby realize by-pass switch 11 auto-closings, i.e. K closure among Figure 12.After by-pass switch 11 closed, the R-M1-K-E loop among Figure 12 was just connected, and with discharging gap CP and capacitor C short circuit, had protected capacitor C and discharging gap CP, was kept with coil M1 by-pass switch 11 being remained closed oneself by switch.Fault is eliminated or electric current reduces to 200A when following, and the magnetic force that switch keeps being produced with coil M1 can not keep by-pass switch 11 in "on" position, so by-pass switch 11 is just opened a way automatically.Overvoltage is absorbed by capacitor C or crest is slowed down, and when impacting, discharging gap CP discharge is the short time, and by-pass switch 11 closures do not go up, and discharging gap CP can be from arc extinguishing.
Claims (8)
1. series compensation by-pass switch equipment, it is characterized in that: comprise inert gas filled seal case (1), release of pressure cover (6) and two insulating sleeves (8) are set on the described casing (1), by insulator (9) by-pass switch (11) is installed in the described casing (1), described by-pass switch (11) contains insulating base (12), be installed in the fixed contact (21) on the described insulating base (12) and have the coil (17) of a tap, and the moving contact (25) that cooperates with described fixed contact (21), described fixed contact (21) is electrically connected with the earth point of described casing (1), the two ends of described coil (17) respectively with described two insulating sleeves (8) in conductive pole be electrically connected, described moving contact (25) is supported in the opposite of described fixed contact (21) by the rotating shaft (14) on the described base plate (12), moving contact (25) is electrically connected with the tap of described coil (17), described base plate (12) is gone up and in the end of described coil (17) iron core (16) is set, and the armature (27) that cooperates with this iron core (16) is affixed by first support bar (26) and described rotating shaft (14).
2. series compensation by-pass switch equipment according to claim 1, it is characterized in that: the counter (15) that also comprises a band frizzen (15a), described counter (15) is installed in the end of second support bar (15b) on the described base plate (12), the frizzen (15a) of counter (15) and described first support bar (26) hinge are provided for observing the observation window (4) of described meter reading on the described casing (1).
3. series compensation by-pass switch equipment according to claim 1 is characterized in that: described fixed contact (21) arranged outside arc-extinguish chamber (18).
4. series compensation by-pass switch equipment according to claim 1, it is characterized in that: described casing (1) contains cylindrical body, two end covers (2 and 5) and support, Pressure gauge and watch glasses (3) are set on the end cover (2), described release of pressure cover (6) is set on another end cover (5).
5. series compensation by-pass switch equipment according to claim 1 is characterized in that: also comprise a stopping means (24) that is used for separating with fixed contact (21) at moving contact (25) the maximum rotation angle of the back described rotating shaft of restriction (14).
6. series compensation by-pass switch equipment according to claim 1 is characterized in that: the inert gas in the described casing (1) is a sulphur hexafluoride, and the air pressure in the casing (1) is 0.03Mpa.
7. series compensation by-pass switch equipment according to claim 1 is characterized in that: the conductive pole in described coil (17) and two insulating sleeves (8) be electrically connected and the electrical connection of the tap of coil (17) and described moving contact (25) all by realizing after the wiring screw rod transfer on the base plate (12).
8. series compensation by-pass switch equipment according to claim 1 is characterized in that: described coil (17) is made of a single-turn circular coil and a multiturn coil series connection, and the common point of a single-turn circular coil and a multiturn coil is tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200477370U CN202013820U (en) | 2011-02-25 | 2011-02-25 | Series compensation bypass switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200477370U CN202013820U (en) | 2011-02-25 | 2011-02-25 | Series compensation bypass switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202013820U true CN202013820U (en) | 2011-10-19 |
Family
ID=44784435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200477370U Expired - Fee Related CN202013820U (en) | 2011-02-25 | 2011-02-25 | Series compensation bypass switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202013820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305838A (en) * | 2015-12-02 | 2016-02-03 | 梁正 | Capacitor voltage division type alternating current voltage regulator |
| EP3098832A1 (en) * | 2015-05-29 | 2016-11-30 | LSIS Co., Ltd. | High speed closing switch |
-
2011
- 2011-02-25 CN CN2011200477370U patent/CN202013820U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3098832A1 (en) * | 2015-05-29 | 2016-11-30 | LSIS Co., Ltd. | High speed closing switch |
| US9842717B2 (en) | 2015-05-29 | 2017-12-12 | Lsis Co., Ltd. | High speed closing switch |
| CN105305838A (en) * | 2015-12-02 | 2016-02-03 | 梁正 | Capacitor voltage division type alternating current voltage regulator |
| CN105305838B (en) * | 2015-12-02 | 2017-11-28 | 浙江金冠特种变压器有限公司 | A kind of capacitance-voltage-distributing type AC voltage regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20150225 |
|
| EXPY | Termination of patent right or utility model |