CN106208010A - A kind of capacitor protection equipment and series compensation device - Google Patents
A kind of capacitor protection equipment and series compensation device Download PDFInfo
- Publication number
- CN106208010A CN106208010A CN201610857597.0A CN201610857597A CN106208010A CN 106208010 A CN106208010 A CN 106208010A CN 201610857597 A CN201610857597 A CN 201610857597A CN 106208010 A CN106208010 A CN 106208010A
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- China
- Prior art keywords
- horizontal electric
- electric container
- switch
- compensation device
- container group
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/021—Current limitation using saturable reactors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/16—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for capacitors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/025—Current limitation using field effect transistors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1807—Arrangements for adjusting, eliminating or compensating reactive power in networks using series compensators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention provides a kind of capacitor protection equipment and series compensation device; wherein; the protection equipment of capacitor series compensation device Horizontal electric container group in protective condenser series compensation device, is parallel to the two ends of described Horizontal electric container group including MOV, described MOV；IGCT, impedor and the anti-switch that misleads, be parallel to the two ends of described Horizontal electric container group after described IGCT, described impedor and the described anti-switch series connection that misleads, described capacitor is Horizontal electric container group；By-pass switch, described by-pass switch is parallel to described impedor and the two ends of the described anti-switch that misleads.The present invention passes through MOV; and IGCT and the anti-switch that misleads; and the priority action of by-pass switch is that Horizontal electric container provides three-level protective; improve the service life of each protection device simultaneously; reduce Horizontal electric container and protect the amount of depreciation of device, maintenance cost with each, thus improve the surely property put of transmission line of electricity.
Description
Technical field
The present invention relates to capacitor compensation technical field, mend in particular to a kind of capacitor protection equipment and series connection
Repay device.
Background technology
Quality of voltage is an important indicator of the quality of power supply.From the point of view of Practical, quality of voltage refers to reality
Deviation between border voltage and desired voltage, the electric energy that reflection power supply department provides a user with is the most qualified.And, along with electricity consumption
The sharp increase of amount, the quality of power supply especially quality of voltage problem is increasingly sharpened, and seriously limits the development of industrial or agricultural.
At present, in remote, large capacity transmission system, along with the increase of transmission distance, the conveying capacity of transmission line of electricity
Have become increasingly limited, regulate the impedance of AC transmission system, voltage, phase place, power frequently with Electric capacity compensation device
Deng, to realize system gain merit and reactive power flow controls flexibly, thus reach raising circuit conveying capacity, improve electric energy
The purposes such as quality, raising reliability.But in prior art, when transmission line of electricity breaks down, compensator with series capaci tance
Protection equipment is the most impaired when protective condenser, and then reduces its service life, improves amount of depreciation and the dimension of protection equipment
Protect cost, be easily reduced the serviceability of capacitor, and then have impact on the stability of transmission line of electricity potentially.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of capacitor protection equipment and series compensation device.Can solve
The problem that certainly the protection equipment of compensator with series capaci tance is the most impaired when protective condenser, improves its service life.
First aspect, embodiments provides the protection equipment of a kind of capacitor series compensation device, is used for protecting
Horizontal electric container group in capacitor series compensation device, including MOV (Metal Oxide Varistors is called for short MOV), brilliant
Brake tube, impedor and anti-mislead switch, and by-pass switch, MOV is parallel to the two ends of Horizontal electric container group；IGCT, resistance
The two ends of Horizontal electric container group it are parallel to after anti-device and the anti-switch series connection that misleads；By-pass switch is parallel to impedor and anti-misleading
Open up the two ends of pass.
MOV provides first class of protection at the snap action of circuit malfunctions for Horizontal electric container group；Then IGCT action,
Impedor can limit amplitude and the frequency of Horizontal electric container group discharge current so that it is quickly decays, thus reduces discharge current
Infringement to Horizontal electric container group；Then breaker actuation, the residual charge of Horizontal electric container group of releasing rapidly, can examine simultaneously
Survey the power supply situation of transmission line of electricity；Three-level protective is arranged layer by layer, opens one by one, both provides multistage guarantor for Horizontal electric container group
Protect, improve the service life of Horizontal electric container group, make it in the specific moment according to the feature of protection devices at different levels self again
Work in action, specific time, improves the service life of each protection device, thus improves the steady point of transmission line of electricity
Property.
In conjunction with first aspect, embodiments provide the first possible embodiment of first aspect, wherein, resistance
Anti-device is reactor or damping reactor.
In conjunction with first aspect, embodiments provide the embodiment that the second of first aspect is possible, wherein, anti-
The switch that misleads is permanent magnetic vacuum switch.
In conjunction with first aspect, embodiments provide the third possible embodiment of first aspect, wherein, other
Way switch is chopper.
In conjunction with first aspect, embodiments provide the 4th kind of possible embodiment of first aspect, wherein, anti-
The closing speed switched that misleads is more than the closing speed of by-pass switch, it is preferable that the closing speed of the anti-switch that misleads is close
Turn on thyristors speed, so that IGCT is opened with the anti-switch that misleads simultaneously, forms the second class protection of Horizontal electric container group
Circuit, the most also forms protection to MOV, prevents IGCT from misleading and directly forms the bypass of Horizontal electric container group, and causing need not
The loss wanted.
Second aspect, the embodiment of the present invention also provides for a kind of capacitor series compensation device, including: Horizontal electric container group,
Switching operating mechanism and protection equipment, Horizontal electric container group connects transmission line of electricity by switching operating mechanism.
Control in Horizontal electric container group input transmission line of electricity or from transmission of electricity by controlling the divide-shut brake of switching operating mechanism
Circuit cuts out, particularly as follows:
When switching operating mechanism closes a floodgate, Horizontal electric container group puts in transmission line of electricity, connects with transmission line of electricity, for transmission of electricity
Circuit provides capacitance compensation, improves the ability to transmit electricity of transmission line of electricity.
When switching operating mechanism separating brake, Horizontal electric container group cuts out from transmission line of electricity.
In conjunction with second aspect, embodiments provide the first possible embodiment of second aspect, wherein, sleeping
Formula Capacitor banks is formed by connecting by some Horizontal electric containers, and Horizontal electric container group can improve the steady state stability limit of circuit with defeated
Send ability.
In conjunction with the first possible embodiment of second aspect, embodiments provide the second of second aspect
Possible embodiment, wherein, Horizontal electric container is connected with outlet by inlet wire, and inlet wire and outlet are tin plating annealed copper strand wire,
Tin plating annealed copper strand wire is fixed on one end of copper bar by wire clamp, and the other end of copper bar connects the binding post of Horizontal electric container.
In conjunction with the embodiment that the second of second aspect is possible, embodiments provide the third of second aspect
Possible embodiment, wherein, switching operating mechanism connects outlet or the inlet wire of Horizontal electric container group by aluminum row, when switching is grasped
When making the switch combined floodgate of mechanism, Horizontal electric container group is connected in series in transmission line of electricity, provides capacitance compensation for transmission line of electricity, works as switching
During the switch separating brake of operating mechanism, Horizontal electric container group cuts out from transmission line of electricity.
In conjunction with the first possible embodiment of second aspect, embodiments provide the 4th kind of second aspect
Possible embodiment, wherein, also includes waterproof cabinet body, waterproof cabinet body be provided with inside three open-door, and waterproof cabinet body laterally every
Plate, three Horizontal electric containers are mounted on dividing plate, and limiting mechanism of pressure, high-speed switch and by-pass switch are located on waterproof cabinet body base plate, anti-
Being additionally provided with switch board in water tank body, switch board is preferably placed in lateral partitions, and switch board is electrically connected with pressure limiting machine and by-pass switch
Connect.
Present invention offers following beneficial effect:
The present invention passes through MOV, and IGCT and the anti-switch that misleads, and the priority action of by-pass switch is Horizontal electric
Container group provides three-level protective, and MOV provides first class of protection at the snap action of circuit malfunctions for Horizontal electric container group；So
Rear turn on thyristors and the anti-switch that misleads close a floodgate, and impedor both can limit amplitude and the frequency of Horizontal electric container group discharge current
Rate so that it is quickly decay, thus reduce the discharge current infringement to Horizontal electric container group, the reactance of transmission line of electricity can be regulated again
Value, the generation of suppression system secondary resonance；Then by-pass switch action, for the remaining electricity of Horizontal electric container group of releasing rapidly
Lotus, can detect the power supply situation of transmission line of electricity simultaneously, the when of it addition, only IGCT simultaneously turns on the anti-switch that misleads
The bypass of releasing of Horizontal electric container group could be formed, such that it is able to prevent the caused transmission line of electricity that misleads due to IGCT
Unnecessary loss；Three-level protective is arranged layer by layer, opens one by one, both provides multi-stage protection for Horizontal electric container group, improves
In the service life of Horizontal electric container group, make it specific moment action, spy according to the feature of protection devices at different levels self again
Work in the fixed time, improves the service life of each protection device, and then reduces Horizontal electric container group and each protection
The amount of depreciation of device, maintenance cost, thus improve the surely property put of transmission line of electricity.
Other features and advantages of the present invention will illustrate in the following description, and, partly become from description
Obtain it is clear that or understand by implementing the present invention.The purpose of the present invention and other advantages are at description, claims
And specifically noted structure realizes and obtains in accompanying drawing.
For making the above-mentioned purpose of the present invention, feature and advantage to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by embodiment required use attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to this
A little accompanying drawings obtain other relevant accompanying drawings.
Fig. 1 shows the circuit of the protection equipment of a kind of capacitor series compensation device that the embodiment of the present invention 1 provided
Figure；
Fig. 2 shows the circuit diagram of a kind of capacitor series compensation device that the embodiment of the present invention 2 provided；
Fig. 3 show the embodiment of the present invention the connection diagram of 2 Horizontal electric containers and the copper bars provided；
Fig. 4 shows each Horizontal electric container connection diagram in the Horizontal electric container group that the embodiment of the present invention 2 is provided；
Fig. 5 shows the connection signal of each Horizontal electric container in the A phase Horizontal electric container group that the embodiment of the present invention 2 is provided
Figure；
Fig. 6 shows that inlet wire/outlet that the embodiment of the present invention 2 is provided arranges, with aluminum, the front view being connected；
Fig. 7 shows that inlet wire/outlet that the embodiment of the present invention 2 is provided arranges, with aluminum, the right view being connected；
Fig. 8 shows the front view of the waterproof cabinet body that the embodiment of the present invention 2 provided；
Fig. 9 shows the left view of the waterproof cabinet body that the embodiment of the present invention 2 provided；
Figure 10 shows the relative position relation figure of each equipment of waterproof cabinet body ground floor that the embodiment of the present invention 2 provided；
Figure 11 shows the relative position relation figure of each equipment of the waterproof cabinet body second layer that the embodiment of the present invention 2 provided.
Illustrate:
01-Horizontal electric container group；1-Horizontal electric container；11-binding post；101-A phase inlet wire；102-A phase outlet；111-
B phase inlet wire；112-B phase outlet；121-C phase inlet wire；122-C phase outlet；13-base；14-copper bar；1401-fixing hole；141-
Fixture；142-U type connector；143-bolt；15-aluminum is arranged；21-cabinet top；22-exhaust fan mouth；23-handle；24-opens
Door；25-sidewall；26-lateral partitions；27-base plate；3-impedor；4-switch board；The anti-switch that misleads of 5-；6-chopper；7-
MOV。
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
Middle accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
It is a part of embodiment of the present invention rather than whole embodiments.Therefore, enforcement to the present invention provided in the accompanying drawings below
The detailed description of example is not intended to limit the scope of claimed invention, but is merely representative of the selected enforcement of the present invention
Example.Based on embodiments of the invention, it is all that those skilled in the art are obtained on the premise of not making creative work
Other embodiments, broadly fall into the scope of protection of the invention.
The protection equipment of capacitor series compensation device is the most impaired when protective condenser at present, and service life is relatively low,
Based on this, the embodiment of the present invention provide a kind of capacitor protection equipment and series compensation device, capacitor can be avoided to connect
The protection equipment of compensation device is impaired when protective condenser, improves its service life.
Embodiment 1
For ease of the present embodiment is understood, first to a kind of capacitor series compensation disclosed in the embodiment of the present invention
The protection equipment of device describes in detail, referring specifically to shown in Fig. 1:
A kind of protection equipment of capacitor series compensation device, the Horizontal electric in protective condenser series compensation device
Container group C, including MOV, IGCT J, impedor D and the anti-switch K1 that misleads, and by-pass switch K2；MOV is parallel to horizontal
The two ends of Capacitor banks C；It is parallel to the two of Horizontal electric container group C after IGCT J, impedor D and the anti-switch K1 series connection that misleads
End；By-pass switch K2 is parallel to impedor D and the two ends of the anti-switch K1 that misleads.
MOV is parallel to the two ends of Horizontal electric container group C and as the first class of protection of Horizontal electric container group C, works as transmission line of electricity
When there is big electric current in fault, MOV snap action, and Horizontal electric container group C is bypassed, the one-level constituting Horizontal electric container group C is protected
Protection circuit, owing to MOV self-resistance is relatively big, its both end voltage is the voltage of adjusting of Horizontal electric container group C.
The two ends of Horizontal electric container group C it are parallel to, at MOV after IGCT J, anti-switch K2 and the impedor D series connection that misleads
Closing a floodgate after action, define the safe secondary protection circuit of Horizontal electric container group C, now, Horizontal electric container group C release amplitude is with high
The concussion electric current of frequency, impedor D limits concussion electric current, and prevents concussion electric current from causing damage Horizontal electric container group C, simultaneously
Also the protection circuit of MOV is become, it addition, only IGCT J could form Horizontal electric after opening with the anti-switch K1 that misleads simultaneously
The safe secondary protection circuit of container group C, such that it is able to prevent from misleading the unnecessary of caused transmission line of electricity due to IGCT J
Loss；When Horizontal electric container group is series in transmission line of electricity, impedor D can also limit and shove, it is to avoid protection equipment is because gushing
Stream is damaged, and improves the service life of protection equipment.
By-pass switch K2 closes a floodgate after IGCT J turns on, and constitutes the three-level protective circuit of Horizontal electric container group C, with
Time also become the protection circuit of impedor D.
According to the movement time of each voltage limiting device self, enable different voltage limiting device in the different moment, thus
The different moment forms the bypass protection circuit that Horizontal electric container group C is different.
As the preferred implementation of the present embodiment, the anti-switch K1 that misleads is permanent magnetic vacuum breaker, its opening speed
Turn on speed close to IGCT J, thus IGCT J conducting speed can be made simultaneously to open with the anti-switch K1 that misleads, formed horizontal
The safe secondary protection circuit of Capacitor banks C.By-pass switch K2 is chopper；Horizontal electric container group C is connected by some Horizontal electric containers
Form；Damping reactor D is series varactor device, therefore, after IGCT J conducting, can adjust defeated by damping reactor D
The reactance value of electric line, suppression system subsynchronous resonance, improves system transport capacity and transient stability, plays minimizing circuit and hold
Anti-, improve the effect of power distribution；When Horizontal electric container group C electric charge is released complete substantially, breaker closing, constitute Horizontal electric
The three-level protective circuit of container group C.
Embodiment 2
The present embodiment also provides for a kind of capacitor series compensation device, and shown in Figure 2, the embodiment of the present invention is provided
Capacitor series compensation device includes Horizontal electric container group C, switching operating mechanism and protection equipment, and Horizontal electric container group C is led to
Cross switching operating mechanism and connect transmission line of electricity.
Switching operating mechanism includes fling-cut switch QS1 and fling-cut switch QS2, by the fling-cut switch QS1 of switching operating mechanism
Closing a floodgate with fling-cut switch QS2 makes Horizontal electric container group C put in transmission line of electricity, it is achieved Horizontal electric container group C and transmission line of electricity
The series connection of bus, improves the capacitive reactance of transmission line of electricity, and then improves the quality of voltage of transmission line of electricity, ensure that electric energy simultaneously
Steadily conveying.
As the another embodiment of the present embodiment, Horizontal electric container group C by some Horizontal electric containers by inlet wire and
Outlet links together, and inlet wire and outlet are tin plating annealed copper strand wire, and tin plating annealed copper strand wire is fixed on the one of copper bar by wire clamp
End (as shown in Figure 4 and Figure 5), the other end of copper bar connects the binding post 11 of Horizontal electric container, and switching operating mechanism passes through aluminum
Row connects outlet or the inlet wire of Horizontal electric container.
As it is shown on figure 3, one end of copper bar 14 has fixing hole 1401, and copper bar 14 all has one in the both sides of fixing hole 1401
Wire clamp, wire clamp includes fixed sleeve part and connector, and fixed sleeve part includes the fixture 141 that two structures are identical, and fixture 141 includes
One rectangular slab, has fixing hole 1401 in the middle part of rectangular slab, the middle part of rectangular slab one end is provided with the first bending, and the other end is provided with second
Bending, the second bending is equidirectional with the first bending, and the middle part of the second bending has a gap coordinated with the first bending, one
First bending of fixture is stretched in the gap of another fixture the second bending；U-shaped connector it is placed with in the middle of two fixtures
142, it is respectively equipped with two inlet wires bottom U-shaped connector 142 with both ends and is connected terminal and two outlets connection terminal, and two ends of incoming cables
Son and two outlet terminals are each perpendicular to the first bending and the line of the second bending, and bolt 143 is through two fixed sleeve part and copper bar 14
Fixing hole 1401, and be fixed by nut.The binding post of the other end connection Horizontal electric container 1 of copper bar 14, therefore,
Corresponding two input terminals of one binding post of Horizontal electric container 1 and two outlet terminals.
As shown in Figure 4, Horizontal electric container is mounted on above base 13, and inlet wire/outlet connects the one of different Horizontal electric containers 1
Line terminals is sequentially connected with, such as, and two leading-out terminals of the first binding post of A phase Horizontal electric container group the first Horizontal electric container
Son connects two input terminals of the first binding post of the second Horizontal electric container by A phase inlet wire 101, the second Horizontal electric container
Two input terminals of the first binding post of two outlet terminals connection the 3rd Horizontal electric containers of this binding post, by that analogy,
Two outlet terminals of the first binding post of N-1 Horizontal electric container connect N Horizontal electric container first by A phase inlet wire 101
Two input terminals of binding post, then draw inlet wire 101 even from two outlet terminals of N Horizontal electric container the first binding post
Connect switching operating mechanism；Two outlet terminals of the second binding post of A phase Horizontal electric container group N Horizontal electric container pass through A phase
Outlet 102 connects two input terminals of the second binding post of N-1 Horizontal electric container, and two outlet terminals of this binding post are even
Connect two input terminals of the second binding post of N-2 capacitor, by that analogy, the second binding post of the second Horizontal electric container
Two outlet terminals connect two input terminals of the second binding post of the first Horizontal electric container, then from the first Horizontal electric container
Two outlet terminals of the second binding post draw A phase outlets 102 connect switching operating mechanism.The like, B phase inlet wire
Two input terminals of 111 the first binding posts connecting B phase Horizontal electric container group the first Horizontal electric container, B phase outlet 112 connects
Two outlet terminals of the second binding post of N Horizontal electric container in B phase Horizontal electric container group；And C phase inlet wire 121 connects C
Two input terminals of the first binding post of phase Horizontal electric container group the first Horizontal electric container, it is horizontal that C phase outlet 122 connects C phase
Two outlet terminals of the second binding post of N Horizontal electric container in Capacitor banks.
As it is shown in figure 5, two input terminals of the first Horizontal electric container of A phase Horizontal electric container group are by A phase inlet wire 101 even
Tapping into one end (as shown in Figure 6 and Figure 7) of line aluminum row 15, the other end of inlet wire aluminum row 15 connects switching operating mechanism, and N is horizontal
Two outlet terminals of capacitor connect one end of outlet aluminum row 15 by A phase outlet 102, and the other end of outlet aluminum row 15 connects to be thrown
Cut operating mechanism.
As shown in Figure 6 and Figure 7, inlet wire aluminum is arranged the both sides of 15 one end and is respectively and fixedly provided with two wire clamps, and the line of two wire clamps is parallel
In the major axis of aluminum row 15, the inlet wire 101 that two outlet terminals of the first binding post of N Horizontal electric container are drawn connects inlet wire
Aluminum arranges two input terminals of 15 wire clamps, and the other end of inlet wire aluminum row 15 connects switching operating mechanism, the of the first Horizontal electric container
The outlet 102 that two outlet terminals of two binding posts are drawn connects outlet aluminum and arranges two input terminals of 15 wire clamps, and outlet aluminum is arranged
The other end of 15 connects switching operating mechanism.
As shown in Figure 8, waterproof cabinet body is three open-door 24, and the enabling 24 of the left and right sides is equipped with exhaust fan mouth 22, exhaust fan
Mouth 22 is provided with filter screen, and its interior is provided with screen or other abat-vents, and the size of screen is more than the chi of exhaust fan mouth 22
Very little, to improve the water resistance of waterproof cabinet body, it addition, three open-door 24 is equipped with handle 23, facilitate each enabling 24 beats Push And Release
Close.
As it is shown in figure 9, cabinet is made up of with sidewall 25 cabinet top 21, cabinet top 21 is " people " type, it is simple to rainwater
Water conservancy diversion, prevents cabinet top 21 hydrops.
As shown in Figure 10, being provided with lateral partitions 26 inside cabinet, Horizontal electric container group 01, damping reactor 3 are located at laterally
On dividing plate 26, it is preferable that the switch board 4 of this power capacitor reactive compensation installation is also located in lateral partitions 26, and lateral partitions 26 is offered
There are some engraved structures or combined by some crossbar, the convection current of lateral partitions 26 upper and lower gas can be accelerated, thus
The flowing velocity of cabinet internal gas can be accelerated, and then accelerate the radiating rate of cabinet.
As shown in figure 11, MOV 7, catalyst 5 and chopper 6 are located on the base plate 27 of waterproof cabinet body, and base plate 27 offers
Engraved structure, or combined by some crossbar；Also or base plate includes the atresia plate body of bottom, and it is located at atresia plate body
The bottom baffles combined by some crossbar on top, MOV 7, catalyst 5 and chopper 6 be located on bottom baffles, with
The heat that upper two kinds of embodiments all can make MOV 7, catalyst 5 and chopper 6 produce sheds from all directions, it is to avoid heat exists
Assemble on some direction, and affect equipment performance, the integral heat sink effect that impact repacking simultaneously is put.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the system of foregoing description
With the specific works process of device, it is referred to the corresponding process in preceding method embodiment, does not repeats them here.
It should be noted that in the description of the embodiment of the present invention, term " " center ", " on ", D score, "left", "right",
Orientation or the position relationship of the instruction such as " vertically ", " level ", " interior ", " outward " are based on orientation shown in the drawings or position relationship,
It is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must have specific
Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ",
" second ", " the 3rd " are only used for describing purpose, and it is not intended that indicate or hint relative importance.
It addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with scope of the claims.
Claims (10)
1. the protection equipment of a capacitor series compensation device, it is characterised in that in protective condenser series compensation device
Horizontal electric container group, including:
MOV, described MOV are parallel to the two ends of described Horizontal electric container group；
IGCT, impedor and the anti-switch that misleads, after described IGCT, described impedor and the described anti-switch series connection that misleads
It is parallel to the two ends of described Horizontal electric container group；
By-pass switch, described by-pass switch is parallel to described impedor and the two ends of the described anti-switch that misleads.
The protection equipment of capacitor series compensation device the most according to claim 1, it is characterised in that described impedor is reactance
Device or damping reactor.
The protection equipment of capacitor series compensation device the most according to claim 1, it is characterised in that described anti-mislead
Switch is permanent magnetic vacuum switch.
The protection equipment of capacitor series compensation device the most according to claim 1, it is characterised in that described by-pass switch
For chopper.
The protection equipment of capacitor series compensation device the most according to claim 1, it is characterised in that described anti-mislead
The closing speed of switch is more than the closing speed of by-pass switch.
6. a capacitor series compensation device, it is characterised in that include Horizontal electric container group, switching operating mechanism and such as weigh
Profit requires the protection equipment described in any one of 1-5, and described Horizontal electric container group connects power transmission line by described switching operating mechanism
Road.
Capacitor series compensation device the most according to claim 6, it is characterised in that described Horizontal electric container group is by some
Horizontal electric container is formed by connecting.
Capacitor series compensation device the most according to claim 7, it is characterised in that described Horizontal electric container passes through inlet wire
Being connected with outlet, described inlet wire and outlet are tin plating annealed copper strand wire, and described tin plating annealed copper strand wire is fixed on copper bar by wire clamp
One end, the other end of described copper bar connects the binding post of described Horizontal electric container.
Capacitor series compensation device the most according to claim 8, it is characterised in that described switching operating mechanism passes through aluminum
Row connects outlet or the inlet wire of described Horizontal electric container group.
Capacitor series compensation device the most according to claim 7, it is characterised in that also include waterproof cabinet body, described anti-
Water tank body is to be provided with lateral partitions inside three open-door, and described waterproof cabinet body, Horizontal electric container described in three groups be mounted on described every
On plate, described limiting mechanism of pressure and described by-pass switch are located on described waterproof cabinet body base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857597.0A CN106208010A (en) | 2016-09-27 | 2016-09-27 | A kind of capacitor protection equipment and series compensation device |
Applications Claiming Priority (1)
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| CN201610857597.0A CN106208010A (en) | 2016-09-27 | 2016-09-27 | A kind of capacitor protection equipment and series compensation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571823A (en) * | 2019-08-29 | 2019-12-13 | 国网山东省电力公司烟台供电公司 | Power transmission line compensation device |
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| CN103050976A (en) * | 2013-01-11 | 2013-04-17 | 山西省电力公司大同供电分公司 | Subsynchronous resonance TCSC (Thyristor Controlled Series Compensation) device of transmission line inhibition system |
| EP1966867B1 (en) * | 2005-12-28 | 2014-03-05 | Abb Research Ltd. | Thyristor controlled series capacitor module |
| CN103701135A (en) * | 2013-11-25 | 2014-04-02 | 国家电网公司 | Intelligent series compensation device for distribution network and use method of compensation device |
| CN105914748A (en) * | 2016-06-12 | 2016-08-31 | 国网安徽省电力公司宿州供电公司 | Dual-protection distributive serial-connection compensation system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1966867B1 (en) * | 2005-12-28 | 2014-03-05 | Abb Research Ltd. | Thyristor controlled series capacitor module |
| CN103050976A (en) * | 2013-01-11 | 2013-04-17 | 山西省电力公司大同供电分公司 | Subsynchronous resonance TCSC (Thyristor Controlled Series Compensation) device of transmission line inhibition system |
| CN103701135A (en) * | 2013-11-25 | 2014-04-02 | 国家电网公司 | Intelligent series compensation device for distribution network and use method of compensation device |
| CN105914748A (en) * | 2016-06-12 | 2016-08-31 | 国网安徽省电力公司宿州供电公司 | Dual-protection distributive serial-connection compensation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110571823A (en) * | 2019-08-29 | 2019-12-13 | 国网山东省电力公司烟台供电公司 | Power transmission line compensation device |
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Application publication date: 20161207 |