CN203326444U - High-altitude 750kV grading type controllable high-resistance device - Google Patents
High-altitude 750kV grading type controllable high-resistance device Download PDFInfo
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- CN203326444U CN203326444U CN2013202104716U CN201320210471U CN203326444U CN 203326444 U CN203326444 U CN 203326444U CN 2013202104716 U CN2013202104716 U CN 2013202104716U CN 201320210471 U CN201320210471 U CN 201320210471U CN 203326444 U CN203326444 U CN 203326444U
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Abstract
The utility model discloses a high-altitude 750kV grading type controllable high-resistance device, belonging to the technical field of controllable high-resistance devices. The whole device at least comprises a transformer-station enclosure wall, a 330kV or 220kV distribution apparatus, a main transformer and low-voltage reactive power compensator, a 750kV distribution apparatus, a controllable high-resistance body part, a controllable high-resistance equipment room, and a controllable high-resistance control room or thyristor room. A 750kV controllable high-resistance body and control equipment of a metal enclosed gas insulated switchgear (GIS) are compactly arranged from inside to outside along the transverse direction of each subarea, and multiple layers of tubular buses are used for cross wiring among equipment, thereby effectively reducing corona noises; and a grading type tubular bus intersection system is employed, so that installation is simple, maintenance amount is small, resources are saved and the environment is protected.
Description
Technical field
The utility model relates to controlled high resistance technical field, particularly the device of the controlled high resistance of a kind of high height above sea level 750kV stagewise.
Background technology
Controlled high resistance is the reactive power compensator of a kind of adjustable systems reactive power, inhibition power-frequency overvoltage and secondary arc current, the raising stability of a system.Controlled high resistance technology plays irreplaceable effect at aspects such as solving super extra-high-speed Reactive Power Balance, voltage control and raising conveying capacity, is the flexible technology of transmission of electricity of a kind of effective interchange (FACTS).The stability that can keep to the full extent voltage, the fail safe of assurance system in the power-frequency overvoltage situation, and can reduce the network loss of system, also have some improvement to the underdamping dynamic stability of electrical network, improves the conveying capacity of electrical network.
According to control principle and mode, controlled high resistance is divided into stagewise and magnet controlled; According to the installing place, controlled high resistance is divided into the controlled high resistance of bus and the controlled high resistance of circuit; The stagewise controllable parallel reactors that the controlled high resistance of stagewise is based on the high-impedance transformer principle is integrated transformer and reactor design, makes the leakage reactance rate of transformer reach or approach 100%, and seals in the auxiliary reactor of many groups at the body secondary side; Electrical network is directly accessed in high-pressure side, low-pressure side seals in auxiliary reactor, change the reactor size of access secondary winding by controlling quick diverter switch, realize the classification adjusting of controlled high resistance capacity, the stagewise controllable parallel reactors can meet the demand of electrical network fully, existing engineering application in 500kV worldwide and 750kV supergrid.
In realizing process of the present utility model, the inventor finds that at least there is following problem in prior art:
The existing controlled high resistance control appliance of stagewise by auxiliary reactor, getting can reactor, switchgear, thyristor, lightning arrester and instrument transformer etc. form, Type of equipment is various, the system complexity, soft bus connection is all used in general height above sea level area below 1000 meters.Soft bus comprises aluminium stranded conductor, copper stranded conductor, steel reinforced aluminium conductor, expanded hollow conductor etc.
The built controlled high resistance of world wide all is installed in height above sea level 1000m left and right and following area at present, generally adopt air-insulated ordinary distribution device, be called for short AIS, the connection of voltage power distribution equipments at different levels in electric substation, and the connection of the electric equipment such as transformer and corresponding power distribution equipment, mostly adopt plain conductor or the twisted wire of rectangle or circular cross-section, this is referred to as bus.Described bus is exposed directly to be contacted with air, circuit breaker can be by porcelain knob or pot type, adopt open type (AIS) power distribution equipment, alternate and the phase ground minimum safe clear distance that high height above sea level brings becomes large and the corona noise problem is very outstanding, carrying out the controlled high resistance of stagewise according to existing layout, system arranges and is connected design, corona noise can not be controlled, problem of environmental pollution can be caused.
Literature query shows, 750kV controlled high resistance vertical partition compact arrangement and the tubular busbar system of multilayer based on Cubicle Gas-Insulated Switchgear (GIS) have no report.
Summary of the invention
In order to solve the problem of prior art, the utility model embodiment provides the device of the controlled high resistance of a kind of high height above sea level 750kV stagewise.By the controlled high resistance body of the 750kV of Cubicle Gas-Insulated Switchgear (GIS) and control appliance adopt each subregion along laterally from inside to outside compact arrangement and multi-layer classification formula tubular bus intersect system, effectively reduce corona noise.Described technical scheme is as follows:
The device of the controlled high resistance of a kind of high height above sea level 750kV stagewise, this device totally at least comprises: between transformer station's enclosure wall, 330kV or 220kV power distribution equipment, main transformer and low-voltage reactive compensator capable, 750kV power distribution equipment, controlled high resistance body part, controlled high resistance control appliance, controlled high resistance control room or thyristor chamber.
Particularly, in described transformer station enclosure wall along laterally being furnished with in turn from inside to outside between described 330kV or 220kV power distribution equipment, described main transformer and low-voltage reactive compensator capable, described 750kV power distribution equipment, described controlled high resistance body part, described controlled high resistance control appliance, described controlled high resistance control room or thyristor chamber.
Particularly, between described controlled high resistance body part, described controlled high resistance control appliance, described controlled high resistance control room or thyristor chamber form three zones of the controlled high resistance of high height above sea level stagewise, wherein, described controlled high resistance body part is first area, be arranged in the outside of described 750kV power distribution equipment, between described controlled high resistance control appliance, it is second area, be arranged in the outside of described controlled high resistance body part, described controlled high resistance control room or thyristor chamber are the 3rd zone, are to be along the outside between described controlled high resistance control appliance the building that yi word pattern is arranged.
Further, between described controlled high resistance control appliance, at least comprise: classification bus, Cubicle Gas-Insulated Switchgear (GIS), getting can reactor, equipment room connects tubular bus; Described getting can at least comprise by reactor: the higher level gets the energy reactor, and middle rank is got the energy reactor, and the energy reactor is got by subordinate; Described equipment room connects tubular bus and at least comprises: higher level's tubular bus, intermediate tubular bus, subordinate's tubular bus, senior tubular bus, secondary tubular bus, rudimentary tubular bus, individual layer tubular bus.
Particularly, between described controlled high resistance control appliance, edge laterally is furnished with described classification bus from inside to outside in turn, described equipment room connects tubular bus, described Cubicle Gas-Insulated Switchgear (GIS), described equipment room connection tubular bus, the described energy reactor of getting.
Further, described classification bus adopts tubular bus to arrange, the main body of described tubular bus is hollow copper tubing or aluminium-alloy pipe.
Particularly, described classification bus is connected with the entrance bushing of described Cubicle Gas-Insulated Switchgear (GIS) by described individual layer tubular bus.
Particularly, the low layer outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS) the three layer described equipment room different by height connect tubular bus and can be connected by reactor with described getting, wherein, one group of outlet casing tube on described Cubicle Gas-Insulated Switchgear (GIS) upper strata and the switching of described higher level's tubular bus, one group of outlet casing tube and the described intermediate tubular bus switching in middle level, one group of outlet casing tube of lower floor and the tubular bus switching of described subordinate, choose respectively differing heights, the discrepancy in elevation meets the minimum air clearance requirement of high height above sea level each other.
Particularly, the high-rise outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS) three floor described equipment room connection tubular bus high altitude crossing described get different by height can be connected with described controlled high resistance control room or thyristor chamber by reactor; Wherein, another group outlet casing tube on described Cubicle Gas-Insulated Switchgear (GIS) upper strata is got energy reactor and described controlled high resistance control room or the switching of thyristor chamber by the described higher level of described senior tubular bus high altitude crossing, another group outlet casing tube in middle level is got energy reactor and described controlled high resistance control room or the switching of thyristor chamber by the described middle rank of described secondary tubular bus high altitude crossing, and another group outlet casing tube of lower floor is got by the described subordinate of described rudimentary tubular bus high altitude crossing can reactor and described controlled high resistance control room or the switching of thyristor chamber.
Further, described Cubicle Gas-Insulated Switchgear (GIS) is sulphur hexafluoride (SF6) gas insulated metal enclosed swit chgear, at least comprise circuit breaker, isolating switch, earthed switch, voltage transformer, current transformer, lightning arrester, bus, cable termination, inlet-outlet sleeve, integrated as a whole.
Further, described equipment room between described controlled high resistance control appliance connects tubular bus and adopts along horizontal and upper, in, seven layers of tubular bus intersection line of lower vertical three-dimensional are arranged, be provided with altogether the described individual layer tubular bus be connected with the entrance bushing of described classification bus and described Cubicle Gas-Insulated Switchgear (GIS), the described higher level's tubular bus be connected with the low layer outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS), described intermediate tubular bus, described subordinate tubular bus, and the described senior tubular bus be connected with the high-rise outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS), described secondary tubular bus, seven differing heights of described rudimentary tubular bus.
Particularly, the at different levels described equipment room between described controlled high resistance control appliance connects tubular bus and adopts argon arc welding.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
By the controlled high resistance body of the 750kV by Cubicle Gas-Insulated Switchgear (GIS) and control appliance, adopt each subregion along laterally compact arrangement and employing multilayer tubular bus carry out equipment room intersection line layout from inside to outside, effectively reduce corona noise, as calculated, can effectively reduce by 5 decibels of station external noises; And adopt the stagewise tubular bus to intersect system, and to install simple and easyly, maintenance is little, economizes on resources, protection of the environment.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the vertical view of the device general layout structural representation of the controlled high resistance of high height above sea level 750kV stagewise that provides of the utility model embodiment;
Fig. 2 is the vertical view of controlled high resistance control appliance arrangement schematic diagram of the device of the controlled high resistance of high height above sea level 750kV stagewise that provides of the utility model embodiment;
Fig. 3 is I-I section structure schematic diagram in Fig. 2 of device of the controlled high resistance of high height above sea level 750kV stagewise that provides of the utility model embodiment.
In figure, each symbol means that implication is as follows:
A transformer station enclosure wall;
B330kV or 220kV power distribution equipment;
C main transformer and low-voltage reactive compensator capable;
The D750kV power distribution equipment;
The controlled high resistance body part of E;
Between the controlled high resistance control appliance of F;
F-1 classification bus;
F-2 Cubicle Gas-Insulated Switchgear (GIS);
F-3 gets the energy reactor, and F-3a higher level gets the energy reactor, and the F-3b middle rank is got the energy reactor, and the energy reactor is got by F-3c subordinate;
The F-4 equipment room connects tubular bus, F-4a higher level's tubular bus, F-4b middle rank tubular bus, F-4c subordinate tubular bus, the senior tubular bus of F-4d, F-4e level tubular bus, the rudimentary tubular bus of F-4f, F-4g individual layer tubular bus;
G controlled high resistance control room or thyristor chamber.
The direction of arrow interior outward direction of serving as reasons in figure.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model execution mode is described in further detail.
Shown in Figure 1, the utility model embodiment provides the device of the controlled high resistance of a kind of high height above sea level 750kV stagewise, and this device totally at least comprises: F, controlled high resistance control room or thyristor chamber G etc. between the enclosure wall A of transformer station, 330kV or 220kV power distribution equipment B, main transformer and low-voltage reactive compensator capable C, 750kV power distribution equipment D, controlled high resistance body part E, controlled high resistance control appliance; Particularly, as preferably, in the described enclosure wall A of transformer station along laterally being furnished with in turn from inside to outside F, controlled high resistance control room or thyristor chamber G etc. between 330kV or 220kV power distribution equipment B, main transformer and low-voltage reactive compensator capable C, 750kV power distribution equipment D, controlled high resistance body part E, controlled high resistance control appliance; Formed three zones of the controlled high resistance of high height above sea level stagewise by F, controlled high resistance control room or thyristor chamber G between described controlled high resistance body part E, controlled high resistance control appliance, wherein, described controlled high resistance body part E is first area, being arranged in the outside of 750kV power distribution equipment D, is to need the noise source of controlling; Between described controlled high resistance control appliance, F is second area, is arranged in the outside of controlled high resistance body part E, the noise intensity of the controlled high resistance body part E that can effectively suppress and decay; Described controlled high resistance control room or thyristor chamber G are the 3rd zone, are to be along the F outside between controlled high resistance control appliance the building that yi word pattern is arranged, can block the propagation path of controlled high resistance body part E noise comprehensively.
Shown in Fig. 2, Fig. 3, particularly, between described controlled high resistance control appliance, F at least comprises: classification bus F-1, Cubicle Gas-Insulated Switchgear (GIS) F-2, get can reactor F-3, equipment room connect tubular bus F-4 etc.; Described getting can at least comprise by reactor F-3: the higher level gets energy reactor F-3a, and middle rank is got energy reactor F-3b, and energy reactor F-3c gets in subordinate; Described equipment room connects tubular bus F-4 and at least comprises: higher level's tubular bus F-4a, intermediate tubular bus F-4b, the tubular bus F-4c of subordinate, senior tubular bus F-4d, secondary tubular bus F-4e, rudimentary tubular bus F-4f, individual layer tubular bus F-4g; Between described controlled high resistance control appliance, in F, edge laterally is furnished with classification bus F-1 from inside to outside in turn, equipment room connects tubular bus F-4, Cubicle Gas-Insulated Switchgear (GIS) F-2, equipment room connection tubular bus F-4, gets energy reactor F-3.
Described classification bus F-1 adopts tubular bus to arrange, described bus (bus line) refers to that copper (copper bar), the aluminum material with high conductivity make, be divided into soft bus and hard bus, in order to electric energy transmitting, in electric power system, bus links together each current-carrying duplexure in power distribution equipment, plays a part to collect, distributes and transmit electric energy.Described hard bus comprises rectangular bus bar, circular busbar, tubular bus etc., and the main body of described tubular bus is hollow copper tubing or aluminium-alloy pipe, and ampacity is large.
Particularly, described classification bus F-1 is connected with the entrance bushing of Cubicle Gas-Insulated Switchgear (GIS) F-2 by individual layer tubular bus F-4g; The low layer outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS) F-2 can be connected by reactor F-3 by connecting tubular bus F-4 between just different three-layer equipments and getting, wherein, one group of outlet casing tube on described Cubicle Gas-Insulated Switchgear (GIS) F-2 upper strata and higher level's tubular bus F-4a switching, one group of outlet casing tube in middle level and intermediate tubular bus F-4b switching, one group of outlet casing tube of lower floor and the tubular bus F-4c of subordinate switching, choose respectively differing heights, the discrepancy in elevation meets the minimum air clearance requirement of high height above sea level each other; The high-rise outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS) F-2 is got and can be connected with controlled high resistance control room or thyristor chamber G by reactor F-3 with the employing high altitude crossing by connecting tubular bus F-4 between just different three-layer equipments; Wherein, another group outlet casing tube on described Cubicle Gas-Insulated Switchgear (GIS) F-2 upper strata is got energy reactor F-3a and controlled high resistance control room or thyristor chamber G switching by senior tubular bus F-4d high altitude crossing higher level, another group outlet casing tube in middle level is got by secondary tubular bus F-4e high altitude crossing middle rank can reactor F-3b and controlled high resistance control room or thyristor chamber G switching, another group outlet casing tube of lower floor by rudimentary tubular bus F-4f high altitude crossing subordinate get can reactor F-3c and controlled high resistance control room or thyristor chamber G transfer.Equipment rooms at different levels between described controlled high resistance control appliance in F connect tubular bus F-4 and adopt the argon arc welding welding manner.
Thus, by the analysis to noise source and route of transmission, to F between the controlled high resistance body part of described high height above sea level 750kV E, controlled high resistance control appliance, adopt each subregion along horizontal compact arrangement from inside to outside, the part control appliance adopts Cubicle Gas-Insulated Switchgear (GIS) F-2, rather than height above sea level open type (AIS) power distribution equipment that below 1000 meters, area adopts, described Cubicle Gas-Insulated Switchgear (GIS) F-2 is sulphur hexafluoride (SF6) gas insulated metal enclosed swit chgear, it is by the primary equipment except transformer in a transformer station, at least comprise circuit breaker, isolating switch, earthed switch, voltage transformer, current transformer, lightning arrester, bus, cable termination, inlet-outlet sleeve etc., through optimal design organically combination of sets become as a whole, with respect to open type (AIS) power distribution equipment, arrange compacter, except can effectively suppress and this bulk noise of decaying, the insulation property that sulphur hexafluoride (SF6) gas is good have been avoided the generation of control appliance corona noise simultaneously.
The operation principle of the utility model embodiment: shown in the I-I section of Fig. 3, equipment room between described controlled high resistance control appliance in F connects tubular bus F-4 and adopts along horizontal and upper, in, seven layers of tubular bus intersection line of lower vertical three-dimensional are arranged, be provided with altogether the individual layer tubular bus F-4g be connected with the entrance bushing of classification bus F-1 and Cubicle Gas-Insulated Switchgear (GIS) F-2, the higher level's tubular bus F-4a be connected with the low layer outlet casing tube of Cubicle Gas-Insulated Switchgear (GIS) F-2, middle rank tubular bus F-4b, the tubular bus F-4c of subordinate and the senior tubular bus F-4d be connected with the high-rise outlet casing tube of Cubicle Gas-Insulated Switchgear (GIS) F-2, secondary tubular bus F-4e, seven differing heights of rudimentary tubular bus F-4f.Because the tubular bus cross section is large, should not produce corona noise, thereby more have superiority than the soft bus of use aspect high altitude localities control noise.
In sum, the utility model can be implemented in the following manner:
1) calculate the minimum safe clear distance according to controlled high resistance actual installation place height above sea level and rules insulation coordination program, determine on this basis Cubicle Gas-Insulated Switchgear (GIS) F-2 sleeve pipe height;
At first the factor that analyzing influence takes up an area: high altitude localities rarefaction of air, cause phase ground, alternate minimum air clearance to become large, according to power industry standard DL/T620-1997 " overvoltage protection of alternating-current electric device and insulation coordination " and IEC60071-2006:INSULATION CO-ORDINATION insulation coordination program, calculate minimum air void;
2) can reactor F-3 → controlled high resistance control room or thyristor chamber G equipment that is disposed in order from inside to outside according to classification bus F-1 → Cubicle Gas-Insulated Switchgear (GIS) F-2 in F between controlled high resistance body part (comprising auxiliary reactor) E → controlled high resistance control appliance → get;
3) through conductor mechanics and the theoretical accounting of ampacity, select the tubular bus F-4 series of suitable diameter to carry out the equipment room line.
In addition, the utility model embodiment also has advantages of, adopt Cubicle Gas-Insulated Switchgear (GIS) F-2 to compare with conventional open type transformer station, Cubicle Gas-Insulated Switchgear (GIS) F-2 compact conformation, floor space is little, and security reliability is high, flexible configuration, easy for installation, adaptive capacity to environment is strong, and maintenance workload is very little.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (12)
1. the device of the controlled high resistance of high height above sea level 750kV stagewise, it is characterized in that, this device totally at least comprises: between transformer station's enclosure wall, 330kV or 220kV power distribution equipment, main transformer and low-voltage reactive compensator capable, 750kV power distribution equipment, controlled high resistance body part, controlled high resistance control appliance, controlled high resistance control room or thyristor chamber.
2. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 1, it is characterized in that, in described transformer station enclosure wall along laterally being furnished with in turn from inside to outside between described 330kV or 220kV power distribution equipment, described main transformer and low-voltage reactive compensator capable, described 750kV power distribution equipment, described controlled high resistance body part, described controlled high resistance control appliance, described controlled high resistance control room or thyristor chamber.
3. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 2, it is characterized in that, described controlled high resistance body part, between described controlled high resistance control appliance, described controlled high resistance control room or thyristor chamber form three zones of the controlled high resistance of high height above sea level stagewise, wherein, described controlled high resistance body part is first area, be arranged in the outside of described 750kV power distribution equipment, between described controlled high resistance control appliance, it is second area, be arranged in the outside of described controlled high resistance body part, described controlled high resistance control room or thyristor chamber are the 3rd zone, to be along the outside between described controlled high resistance control appliance the building that yi word pattern is arranged.
4. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 1, it is characterized in that, at least comprise between described controlled high resistance control appliance: classification bus, Cubicle Gas-Insulated Switchgear (GIS), getting can reactor, equipment room connects tubular bus; Described getting can at least comprise by reactor: the higher level gets the energy reactor, and middle rank is got the energy reactor, and the energy reactor is got by subordinate; Described equipment room connects tubular bus and at least comprises: higher level's tubular bus, intermediate tubular bus, subordinate's tubular bus, senior tubular bus, secondary tubular bus, rudimentary tubular bus, individual layer tubular bus.
5. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 4, it is characterized in that, interior along laterally being furnished with in turn from inside to outside described classification bus, described equipment room connection tubular bus, described Cubicle Gas-Insulated Switchgear (GIS), described equipment room connection tubular bus, the described energy reactor of getting between described controlled high resistance control appliance.
6. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 4, is characterized in that, described classification bus adopts tubular bus to arrange, the main body of described tubular bus is hollow copper tubing or aluminium-alloy pipe.
7. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 6, is characterized in that, described classification bus is connected with the entrance bushing of described Cubicle Gas-Insulated Switchgear (GIS) by described individual layer tubular bus.
8. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 4, it is characterized in that, the low layer outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS) the three layer described equipment room different by height connect tubular bus and can be connected by reactor with described getting, wherein, one group of outlet casing tube on described Cubicle Gas-Insulated Switchgear (GIS) upper strata and the switching of described higher level's tubular bus, one group of outlet casing tube and the described intermediate tubular bus switching in middle level, one group of outlet casing tube of lower floor and the tubular bus switching of described subordinate, choose respectively differing heights, the discrepancy in elevation meets the minimum air clearance requirement of high height above sea level each other.
9. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 4, it is characterized in that, the high-rise outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS) the three floor described equipment room different by height connects described the getting of tubular bus high altitude crossing and can be connected with described controlled high resistance control room or thyristor chamber by reactor; Wherein, another group outlet casing tube on described Cubicle Gas-Insulated Switchgear (GIS) upper strata is got energy reactor and described controlled high resistance control room or the switching of thyristor chamber by the described higher level of described senior tubular bus high altitude crossing, another group outlet casing tube in middle level is got energy reactor and described controlled high resistance control room or the switching of thyristor chamber by the described middle rank of described secondary tubular bus high altitude crossing, and another group outlet casing tube of lower floor is got by the described subordinate of described rudimentary tubular bus high altitude crossing can reactor and described controlled high resistance control room or the switching of thyristor chamber.
10. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 4, it is characterized in that, described Cubicle Gas-Insulated Switchgear (GIS) is sulphur hexafluoride (SF6) gas insulated metal enclosed swit chgear, at least comprise circuit breaker, isolating switch, earthed switch, voltage transformer, current transformer, lightning arrester, bus, cable termination, inlet-outlet sleeve, integrated as a whole.
11. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 4, it is characterized in that, described equipment room between described controlled high resistance control appliance connects tubular bus and adopts along horizontal and upper, in, seven layers of tubular bus intersection line of lower vertical three-dimensional are arranged, be provided with altogether the described individual layer tubular bus be connected with the entrance bushing of described classification bus and described Cubicle Gas-Insulated Switchgear (GIS), the described higher level's tubular bus be connected with the low layer outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS), described intermediate tubular bus, described subordinate tubular bus, and the described senior tubular bus be connected with the high-rise outlet casing tube of described Cubicle Gas-Insulated Switchgear (GIS), described secondary tubular bus, seven differing heights of described rudimentary tubular bus.
12. the device of the controlled high resistance of high height above sea level 750kV stagewise according to claim 11, is characterized in that, between described controlled high resistance control appliance, interior at different levels described equipment room connects tubular bus employing argon arc welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202104716U CN203326444U (en) | 2013-04-23 | 2013-04-23 | High-altitude 750kV grading type controllable high-resistance device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202104716U CN203326444U (en) | 2013-04-23 | 2013-04-23 | High-altitude 750kV grading type controllable high-resistance device |
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| CN203326444U true CN203326444U (en) | 2013-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912149A (en) * | 2018-09-17 | 2020-03-24 | 株洲变流技术国家工程研究中心有限公司 | High-altitude reactive power compensation method and device based on static var generator |
-
2013
- 2013-04-23 CN CN2013202104716U patent/CN203326444U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912149A (en) * | 2018-09-17 | 2020-03-24 | 株洲变流技术国家工程研究中心有限公司 | High-altitude reactive power compensation method and device based on static var generator |
| CN110912149B (en) * | 2018-09-17 | 2023-05-26 | 株洲变流技术国家工程研究中心有限公司 | High-altitude reactive power compensation method and device based on static reactive power generator |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |