CN203326465U - Intelligent SF6 insulation ring main unit - Google Patents
Intelligent SF6 insulation ring main unit Download PDFInfo
- Publication number
- CN203326465U CN203326465U CN2013204017623U CN201320401762U CN203326465U CN 203326465 U CN203326465 U CN 203326465U CN 2013204017623 U CN2013204017623 U CN 2013204017623U CN 201320401762 U CN201320401762 U CN 201320401762U CN 203326465 U CN203326465 U CN 203326465U
- Authority
- CN
- China
- Prior art keywords
- intelligent
- main unit
- ring main
- gas
- network switch
- 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 - Lifetime
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to an intelligent SF6 insulation ring main unit and belongs to technical field of electromechanical equipment. The intelligent SF6 insulation ring main unit comprises an instrument control box. The intelligent SF6 insulation ring main unit is characterized in that the intelligent SF6 insulation ring main unit further comprises a current relay protection device and the like; the current relay protection device is installed in the instrument control box; an SF6 density relay is installed on an SF6 gas valve seat which is communicated with the interior of a gas box; a bushing type current transformer is installed on a wire-outgoing sleeving; a grounding fault indicating lamp is arranged on a ring main unit operation panel; an electric operating mechanism is arranged at the exterior of the gas box through a transmission shaft inside the gas box; an electrification display device is installed on the ring main unit operating panel; and a temperature and humidity controller is installed on the instrument control box. With an SF6 gas detection alarm device, a safety interlocking device, a switch state detection device, an operating parameter monitoring device, a line or equipment protection device and the like additionally adopted, the intelligent SF6 insulation ring main unit of the utility model can assist in realizing intelligent control, ensuring safe and reliable power supply, and improving the quality of power supply of power distribution lines, and can satisfy a requirement for high-quality industrial and civil electricity.
Description
Technical field
The utility model belongs to the electromechanical equipment technical field, particularly relates to a kind of SF of meeting
6The Based Intelligent Control looped network switch apparatus of the operation of insulation looped network switch apparatus and protection.
Background technology
In the middle of prior art, town and country distribution network overhead transmission line is progressively replaced by the underground cable circuit, so SF
6The insulation looped network switch apparatus is widely used on the link of the branch of cable line and power distribution and control.
Due to SF
6The compact conformation of insulation looped network switch apparatus, safe and reliable, simple to operate, electric arrangements is flexible, the advantages such as installation period is of short duration, replaced the loop-network switch cabinet be comprised of vacuum load switch and combined electrical apparatus thereof, simultaneously also extensive use Switching Station and regional switch power distribution station out of doors.
Because current national grid grows with each passing day to the intelligentized demand of distribution network, intelligentized specification requirement is more and more high, for traditional SF
6The insulation looped network switch apparatus only is confined to the connecting and disconnecting of circuit, and only to transformer equipment or distribution electric line are played to the simple defencive function such as overcurrent and short-circuit protection; And traditional SF
6The insulation looped network switch apparatus is poor to reliability and the continuity of power supply, so must adopt a kind of intelligent SF
6The insulation looped network switch apparatus meet distribution network safe operation, reliability service, meet simultaneously circuit and equipment protection control, running status Monitoring and Controlling and realize " four the is distant " functions such as long-haul telemetry, remote signalling, remote control, distant arteries and veins.
For the deficiencies in the prior art, the art is needed badly and is wanted a kind of new switchgear to change this kind of present situation.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of intelligent SF is provided
6The insulation looped network switch apparatus, solve existing SF
6The insulation ring main unit can not meet the problems such as power supply safety sexual demand, reliability requirement, intelligent demand.
A kind of intelligent SF
6The insulation looped network switch apparatus, comprise instrument control box, SF
6Gas valve seat, gas tank, outlet casing tube, ring main unit guidance panel is characterized in that: also comprise electric current protective relaying device, SF
6Density monitor, bushing current transformer, earth-fault indicator, motor-operating mechanism, charged display device, temperature and humidity controller, described electric current protective relaying device is arranged in instrument control box; Described SF
6Density monitor is arranged on the SF communicated with gas tank inside
6On the gas valve seat; Described bushing current transformer is arranged on outlet casing tube; Described earth-fault indicator is arranged on the ring main unit guidance panel; Described motor-operating mechanism is arranged on the gas tank outside by the power transmission shaft of gas tank inside; Described charged display device is arranged on the guidance panel of ring main unit; Described temperature and humidity controller is arranged on instrument control box.
Described electric current protective relaying device is by the fault loop excision and signal is uploaded to control centre.
Described SF
6Density monitor is uploaded control centre or tripping operation by the Leakage Gas signal in gas tank and gas pressure value signal.
Described earth-fault indicator is uploaded control centre by fault-signal.
Described charged display device is by detecting operating power phase, locking faulty operation.
By above-mentioned design, the utility model can bring following beneficial effect:
1, the electric current protective relaying device that installs bushing current transformer and self-powered or active power supply additional not only can play the traditional overcurrent and the fast tripping protection that only have on-load switch and capacitor bank electric equipment just to have, on-load switch looped network equipment, vacuum circuit-breaker looped network switch apparatus, combined electrical apparatus looped network switch apparatus are all had to perfect overcurrent, quick-break, zero-sequenceprotection, and guard signal uploads to control centre simultaneously;
2, install the SF with warning function additional
6Density monitor can solve traditional SF
6The gas tank internal gas pressure that Pressure gauge shows along with the variation of temperature, also along with the phenomenon changed, can't be judged the Leakage Gas situation in gas tank definitely, and leaks rear alarm free or trip avoidance function;
3, short circuit and earth-fault indicator can solve cable line and cause the judgement of cable short circuit phenomenon because of humidity after causing cable grounding phenomenon or circuit to puncture, avoid because can't quick and precisely judging faulty line, avoid can't guaranteeing because of looking up the fault cable one by one the problem that the short time recovers after line fault;
4, with the motor-operating mechanism of gas tank internal electric on off state measuring ability, can avoid electric fault or the electric accident brought because of misoperation, effectively carry out " five is anti-" safeguard measure of switch cubicle;
5, anti-misoperation locking and nuclear phase function charged display device avoid conventional charged display device by the drawback with the electro-detection power phase, to have avoided the drawback of the charged rear misoperation of circuit;
6, the temperature and humidity controller of automatic heating function has reduced the possibility of condensation in control room or cable vault, has improved the safe operation of cable and control loop.
7, above-mentioned various functions being combined together to the method for controlling can be all sidedly to SF
6Looped network switch apparatus carries out intellectuality to be controlled, and can greatly improve SF
6The reliability of looped network switch apparatus, fail safe, improve the power supply quality of distribution line, meets the high-quality demand of industry and civilian electricity.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is structural representation of the present utility model.
1-electric current protective relaying device, 2-SF in figure
6Density monitor, 3-bushing current transformer, 4-earth-fault indicator, 5-motor-operating mechanism, 6-charged display device, 7-temperature and humidity controller.
Embodiment
As shown in Figure 1, a kind of intelligent SF
6Device effect on the insulation looped network switch apparatus is as follows:
1, the overcurrent protection of 1 pair of circuit of electric current protective relaying device or power consumption equipment, fast tripping protection etc., excise fault loop upload to control centre reliably.
2, with the SF of warning function
6The SF that density monitor 2 is realized gas tank inside
6Density detect and the Leakage Gas state analyzed to judgement.
3, the running current of bushing current transformer 3 detection lines.
4, earth-fault indicator 4 is detected for the short-circuit condition to cable line and ground state; 4 pairs of fault currents of earth-fault indicator detect judgement, and fault-signal is uploaded to control centre.
5, motor-operating mechanism 5, and its gate-dividing state, "on" position, ground state philosophy are detected, and realize " five is anti-" operating function of looped network switch apparatus.
6, the voltage that anti-misoperation locking and nuclear phase function charged display device 6 are docked at the supply line on loop networks switch has or not reliably and judges, the line phase-sequence detection that is docked at loop networks switch carries out safety to be checked, and realizes preventing the generation of misoperation phenomenon by fool proof decoding key.
7,7 pairs of gas tank control rooms of temperature and humidity controller of automatic heating function and temperature and the Humidity Detection of cable vault, take a decision as to whether control room and cable vault provides heating.
Below in conjunction with accompanying drawing, the specific embodiment of the invention is summarized as follows:
1, by being arranged on SF
6The running current of integrated bushing current transformer 3 detection lines on the outlet insulating sleeve of insulation looped network switch apparatus, because bushing current transformer 3 has two groups of coils, one group is used for current measurement circuit, offers the ammeter and the remote measurement current signal that are arranged on instrument box; Another group is for the current protection loop, offer be arranged on instrument box with communication and the self-powered of signal upload function and the electric current protective relaying device 1 of active power supply; Electric current protective relaying device 1 is by the computational analysis judgement of the electric current to the reality detection and predefined overload electric current and quick-break electric current, complete overcurrent protection to circuit or power consumption equipment, fast tripping protection etc., reliably fault loop is excised and uploaded to control centre;
2, by being arranged on SF
6The SF with warning function on the gas valve seat
6The SF that density monitor 2 is realized gas tank inside
6Density detected, calculate gas pressure in gas tank, during Leakage Gas in gas tank, pass through SF
6 Density monitor 2 shows the SF remained in gas tank
6Gas pressure, and with the alarm pressure of setting on relay and move in the numeric ratio of tripping operation pressure, if be less than tripping operation pressure move in warning, the SF when gas tank inside being greater than alarm pressure
6Gas pressure moves while being less than tripping operation pressure in mechanism's tripping operation and the open-circuit line operation, the safe operation of guarantee looped network switch apparatus;
3, being arranged on earth-fault indicator 4 on cable line is detected for the short-circuit condition to cable line and ground state, detection signal is delivered on the earth-fault indicator 4 be arranged on the ring main unit guidance panel, by the judgement of the detection to fault current, fault-signal is uploaded to control centre;
4, be installed in the motor-operating mechanism 5 on the gas tank power transmission shaft, its gate-dividing state, "on" position, ground state philosophy are detected, " five is anti-" operation of looped network switch apparatus is controlled: when in ground state being the No switching on operation; Forbid being opened Xiamen or ground connection operation when in "on" position; When in gate-dividing state, only have and the earthing closure can be opened to cable vault operated supervisor; Can realize that a distant place is controlled simultaneously and realize distant minute, the distant function such as close by communicator;
5, have or not reliably and judge by being arranged on voltage that anti-misoperation locking on guidance panel and nuclear phase function charged display device 6 be docked at the supply line on loop networks switch, the line phase-sequence detection that is docked at loop networks switch carries out safety to be checked, and realizes preventing the generation of misoperation phenomenon by fool proof decoding key;
6, the temperature and humidity controller 7 of automatic heating function is arranged on instrument box, by the temperature to gas tank control room and cable vault and Humidity Detection, take a decision as to whether control room and cable vault provides heating, reduce the condensation phenomenon and occur, guarantee cable and control the safe operation of components and parts.
Claims (5)
1. an intelligent SF
6The insulation looped network switch apparatus, comprise instrument control box, SF
6Gas valve seat, gas tank, outlet casing tube, ring main unit guidance panel is characterized in that: also comprise electric current protective relaying device (1), SF
6Density monitor (2), bushing current transformer (3), earth-fault indicator (4), motor-operating mechanism (5), charged display device (6), temperature and humidity controller (7), described electric current protective relaying device (1) is arranged in instrument control box; Described SF
6Density monitor (2) is arranged on the SF communicated with gas tank inside
6On the gas valve seat; Described bushing current transformer (3) is arranged on outlet casing tube; Described earth-fault indicator (4) is arranged on the ring main unit guidance panel; Described motor-operating mechanism (5) is arranged on the gas tank outside by the power transmission shaft of gas tank inside; Described charged display device (6) is arranged on the guidance panel of ring main unit; Described temperature and humidity controller (7) is arranged on instrument control box.
2. a kind of intelligent SF according to claim 1
6The insulation looped network switch apparatus is characterized in that: described electric current protective relaying device (1) is by the fault loop excision and signal is uploaded to control centre.
3. a kind of intelligent SF according to claim 1
6The insulation looped network switch apparatus, is characterized in that: described SF
6Density monitor (2) is uploaded control centre or tripping operation by the Leakage Gas signal in gas tank and gas pressure value signal.
4. a kind of intelligent SF according to claim 1
6The insulation looped network switch apparatus, it is characterized in that: described earth-fault indicator (4) is uploaded control centre by fault-signal.
5. a kind of intelligent SF according to claim 1
6The insulation looped network switch apparatus is characterized in that: described charged display device (6) is by detecting operating power phase, locking faulty operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204017623U CN203326465U (en) | 2013-07-08 | 2013-07-08 | Intelligent SF6 insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204017623U CN203326465U (en) | 2013-07-08 | 2013-07-08 | Intelligent SF6 insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203326465U true CN203326465U (en) | 2013-12-04 |
Family
ID=49665759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204017623U Expired - Lifetime CN203326465U (en) | 2013-07-08 | 2013-07-08 | Intelligent SF6 insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203326465U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882817A (en) * | 2015-06-04 | 2015-09-02 | 北京昊创瑞通电气设备有限公司 | Low-pressure alarm locking device of inflatable ring main unit and inflatable ring main unit |
| CN114184859A (en) * | 2021-11-22 | 2022-03-15 | 国家电网有限公司 | Ring main unit multi-parameter intelligent online monitoring system |
-
2013
- 2013-07-08 CN CN2013204017623U patent/CN203326465U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882817A (en) * | 2015-06-04 | 2015-09-02 | 北京昊创瑞通电气设备有限公司 | Low-pressure alarm locking device of inflatable ring main unit and inflatable ring main unit |
| CN114184859A (en) * | 2021-11-22 | 2022-03-15 | 国家电网有限公司 | Ring main unit multi-parameter intelligent online monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202957123U (en) | Self-test and self-protection oil-immersed power transformer | |
| CN103606909A (en) | Protecting system and method for power distribution network circuit | |
| CN103412217A (en) | Box-type substation intelligent online failure diagnosis system | |
| CN204179552U (en) | Intelligent ring main unit | |
| CN204243896U (en) | For the on off state monitoring device of power distribution network | |
| CN103792505A (en) | Ground fault simulation device for electric power direct current system | |
| CN103325627A (en) | Fast and intelligent 10KV pole-mounted breaker | |
| CN104037011A (en) | Watchdog division load switch | |
| CN208571394U (en) | A kind of photovoltaic power generation box-type substation based on intelligent controller | |
| CN106451191A (en) | Cubicle gas-insulated switchgear | |
| CN104051180A (en) | 10kV pole-mounted vacuum load switch | |
| IT201900018818A1 (en) | High voltage overhead electrical transmission line equipped with maneuvering unit | |
| CN203326465U (en) | Intelligent SF6 insulation ring main unit | |
| CN203659733U (en) | Outdoor high-voltage demarcation vacuum circuit breaker | |
| CN103427394A (en) | Mining flame-proof type selective leakage protector | |
| CN109119283A (en) | A kind of one or two fusion outdoor SF6 gas breakers | |
| CN202796772U (en) | 10kV rapid intelligent column breaker | |
| CN202748425U (en) | Residual current protection uninterrupted testing device | |
| CN207925942U (en) | A kind of fast cut type armored withdraw type switchgear of arc protection intelligence | |
| CN206865005U (en) | Inflatable ac metal closing switch gear | |
| KR101084058B1 (en) | High voltage power receiving unit for auto-controlling circuit breakers | |
| CN104113049A (en) | Single-phase grounding fault self-recovery system | |
| CN103018631A (en) | System for 10kV fault line detection | |
| CN103746354A (en) | Distribution network fault isolation method based on transformer substation overcurrent protection | |
| CN103337798A (en) | Mining explosion-proof high-voltage vacuum power distribution device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |