CN110460066A - A kind of box distribution series compensation device - Google Patents
A kind of box distribution series compensation device Download PDFInfo
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- CN110460066A CN110460066A CN201910812197.1A CN201910812197A CN110460066A CN 110460066 A CN110460066 A CN 110460066A CN 201910812197 A CN201910812197 A CN 201910812197A CN 110460066 A CN110460066 A CN 110460066A
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- cabinet
- capacitor group
- series compensation
- compensation device
- capacitor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- 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
-
- 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)
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Abstract
The present invention relates to a kind of box distribution series compensation devices; including setting in the intracorporal controller of case, measuring device, protection equipment and capacitor group; and be arranged outside the enclosure and be connected to the empty breaker on distribution line, the both ends of vacuum circuit breaker are connected separately with disconnecting switch I and disconnecting switch II；The wall bushing being connected with distribution line is installed, capacitor group is connected in distribution line by wall bushing at the top of cabinet；Protecting equipment includes the damping X-bridge device in parallel with capacitor group, and damping X-bridge device is split type structure, respectively includes resistor and is connected to the end of incoming cables of resistor and the reactor of leading-out terminal.The present invention can pass through distribution line in wall bushing leading-in box body, eliminate the cumbersome process of field fabrication cable connector, while without setting cable duct cabling, improving in-site installation efficiency, saving construction cost.
Description
Technical field
The invention belongs to electric energy transmission technology fields, and in particular to a kind of box distribution series compensation device.
Background technique
Distribution series compensation device is administered field and primarily served in low-voltage improves the distribution of distribution line full line voltage, promotion
The effect of route especially end low-voltage.It is applicable to improve the 10kV of quality of voltage, power factor, electrical energy transportation ability
Power distribution network long transmission line especially crosses over mountain area, load weight or there are the rural area distribution lines of large scale industry load.
Since its part throttle characteristics complexity and rack are weak, construction and development more fall behind power distribution network relative to power transmission network,
The problems such as generally existing radius of electricity supply is longer, line voltage distribution is unqualified, Voltage Drop is frequent in country's low and medium voltage distribution network at present,
And put at present application the high-performance sophisticated equipment for the purpose of improving distribution quality of voltage is less and less effective, from
And affect people's lives quality and economic construction development.
Therefore, it needs to develop a kind of distribution series compensation device, to solve the problems, such as electrical energy transportation low efficiency.Wherein, public
Cloth CN109066714A discloses a kind of box distribution series compensation device and its working method, and it is defeated to can effectively solve electric energy
The problem of sending low efficiency, but when device is installed at the scene, needs to make cable connector, and cable is arranged in portion in the device
Ditch carries out cabling and improves construction cost to affect field erected efficiency, and the damping X-bridge in the device
Device uses integral structure, and later maintenance is cumbersome, at high cost.
Summary of the invention
The object of the present invention is to provide a kind of box distribution series compensation devices, to solve asking for in-site installation low efficiency
Topic.
A kind of box distribution series compensation device of the invention is achieved in that
A kind of box distribution series compensation device, including setting is in the intracorporal controller of case, measuring device, protection equipment and capacitor
Device group, and be arranged outside the enclosure and be connected to the vacuum circuit breaker on distribution line, wherein
The both ends of the vacuum circuit breaker are connected separately with disconnecting switch I and disconnecting switch II；
The wall bushing being connected with the distribution line is installed, the capacitor group passes through wall bushing at the top of the cabinet
It is connected in the distribution line；
The protection equipment includes the damping X-bridge device in parallel with the capacitor group, and the damping X-bridge device is
Split type structure respectively includes resistor and is connected to the end of incoming cables of the resistor and the reactor of leading-out terminal.
Further, the wall bushing is triangle disposition distribution, and its outer end is connected with the distribution line, inner end point
It is not connected with the intracorporal incoming-line busbar of case and outgoing line busbar.
Further, the measuring device includes current transformer, voltage transformer and take can mutual inductor, wherein
The current transformer is mounted on the rear side of the controller, and is connected on the incoming-line busbar；
The voltage transformer is mounted on the lower section of the current transformer, and is connected in parallel on end of incoming cables and the outlet of capacitor group
End；
It is described that energy mutual inductor is taken to be mounted on the side of the controller, and be connected in parallel in the two-phase of incoming-line busbar.
Further, the middle part of front side in the cabinet is arranged in the controller, and the capacitor group is mounted on described
The lower section of controller, and the front side of the capacitor group and the front side above controller are respectively arranged with ground protection plate.
It is further preferred that being provided with heat release hole and hole on the ground protection plate being located on the outside of the capacitor group.
Further, the protection equipment further includes bypass contactor and thyristor silicon stack, wherein
The rear side of the capacitor group is arranged in the thyristor silicon stack, and the damping X-bridge device is arranged in the thyristor
The lower section of silicon stack, the thyristor silicon stack are in parallel with the capacitor group after connecting with the damping X-bridge device；
The top of the thyristor silicon stack is arranged in the bypass contactor, be connected in parallel on the incoming-line busbar and outgoing line busbar it
Between.
It is further preferred that the high-voltage terminal of the voltage transformer is towards the direction of the bypass contactor.
Further, the top of the thyristor silicon stack is lifted on upper beam by insulator, and lower section is pacified by connecting plate
On beams of metal, and the junction of the connecting plate and beams of metal is provided with the waist-shaped hole of different directions.
Further, the thyristor silicon stack includes the thyristor for two reverse parallel connections fixed by a pair of of pressing plate,
And resistance and capacitor on the outside of two pressing plates of setting, wherein
The resistance is fixed therein the outside of a pressing plate, the electricity that the capacitor passes through Z-type by the resistance mounting plate of L-type
Hold the outside that mounting plate is fixed on another pressing plate.
Further, the wall bushing is fixedly connected with the top of the cabinet using ring flange, and the ring flange
Top be provided with rain cover.
Further, the top opposite sides of the cabinet is separately installed with lifting rope limited block.
Further, the surrounding of the cabinet is provided with the chamber door of two-way switch, sets at the top of the chamber door and cabinet
It is equipped with the electromagnetic lock of cooperation.
After above-mentioned technical proposal, the device have the advantages that are as follows:
(1) present invention can be by distribution line by wall bushing leading-in box body, eliminating the numerous of field fabrication cable connector
Trivial process, while without setting cable duct cabling, in-site installation efficiency is improved, construction cost is saved；
(2) damping X-bridge device of the invention not only reduces reactor and resistor is separately installed using seperated Integrated design
It is taken up space, improves housing interior volume utilization rate, and repair and maintenance is convenient.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the cabinet of the box distribution series compensation device of the preferred embodiment of the present invention and its structure of internal unit
Figure；
Fig. 2 is the cabinet of the box distribution series compensation device of the preferred embodiment of the present invention and its main view of internal unit；
Fig. 3 is the cabinet of the box distribution series compensation device of the preferred embodiment of the present invention and its right view of internal unit；
Fig. 4 is the cabinet of the box distribution series compensation device of the preferred embodiment of the present invention and its rearview of internal unit；
Fig. 5 is the cabinet of the box distribution series compensation device of the preferred embodiment of the present invention and its top view of internal unit；
Fig. 6 is the structure chart of the case internal unit of the box distribution series compensation device of the preferred embodiment of the present invention；
Fig. 7 is the structure chart of the case internal unit of the box distribution series compensation device of the preferred embodiment of the present invention；
Fig. 8 is the structure chart of the wall bushing of the box distribution series compensation device of the preferred embodiment of the present invention；
Fig. 9 is the damping X-bridge device and thyristor silicon stack of the box distribution series compensation device of the preferred embodiment of the present invention
Structure chart；
Figure 10 is the damping X-bridge device and thyristor silicon stack of the box distribution series compensation device of the preferred embodiment of the present invention
Structure chart；
Figure 11 is the electric operation control circuit figure of the box distribution series compensation device of the preferred embodiment of the present invention；
In figure: cabinet 1, outer case 11, inner frame 12, incoming-line busbar 13, outgoing line busbar 14, transition aluminium row 15, chamber door 16, upper beam
17, beams of metal 18, waist-shaped hole II 19, outdoor insulator 110, jockey 111, lifting rope limited block 112, hoisting column 113, electromagnetism
Lock 114, radiator window 115, controller 2, measuring device 3, current transformer 31, voltage transformer 32 take energy mutual inductor 33, protection
Equipment 4 damps X-bridge device 41, resistor 411, reactor 412, insulator foot 413, bending busbar 414, bypass contactor
42, thyristor silicon stack 43, connecting plate 431, waist-shaped hole I 432, pressing plate 433, thyristor 434, resistance 435, capacitor 436, resistance
Mounting plate 437, capacitor mounting plate 438, lifting lug 439, switch-over row 44, capacitor group 5, capacitor 51, fixed corner fittings 52, set through walls
Pipe 6, ring flange 61, rain cover 62, tin plating annealed copper strand wire 7, insulator 8, ground protection plate 9, hole 91.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below to protect
The scope of the present invention of shield, but it is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.
As shown in figs. 1-11, a kind of box distribution series compensation device, including be arranged in cabinet 1 controller 2, measurement
Equipment 3, protection equipment 4 and capacitor group 5, and be arranged in outside cabinet 1 and be connected to the vacuum circuit breaker on distribution line
QF1, the both ends of vacuum circuit breaker QF1 are connected separately with II QS2 of I QS1 of disconnecting switch and disconnecting switch；It installs at the top of cabinet 1
There is the wall bushing 6 being connected with distribution line, capacitor group 5 is connected in distribution line by wall bushing 6；Protect equipment 4
Including the damping X-bridge device 41 in parallel with capacitor group, and damping X-bridge device 41 is split type structure, is respectively included
Resistor 411 and it is connected to the end of incoming cables of resistor 411 and the reactor 412 of leading-out terminal.
Specifically, the both ends of reactor 412 are connected to end of incoming cables and the leading-out terminal of resistor 411, i.e. reactor 412 and electricity
It is in parallel to hinder device 411, and between the two there are gap, the distance in gap meets air spacing needed for voltage between 412 end of reactor.
Cabinet 1 includes outer case 11 and the inner frame 12 being arranged in cabinet 11, and the setting of inner frame 12 is for installing dress
Interior each equipment is set, and outer case 11 is then for playing a protective role to device.
In order to meet the electric clearance between high voltage power distribution, wall bushing 6 is triangle disposition distribution, and its outer end and distribution
Route be connected, inner end respectively in cabinet 1 incoming-line busbar 13 and outgoing line busbar 14 be connected.
Triangle disposition distribution can suitably reduce the width range of installation wall bushing 6, and the inner end of wall bushing 6 is specific
It is connected by tin plating annealed copper strand wire 7 with incoming-line busbar 13 and outgoing line busbar 14.
Preferably, incoming-line busbar 13 and outgoing line busbar 14 are fixed on inner frame 12 by insulator 8, and inlet wire is female
Row 13 and outgoing line busbar 14 between current transformer 31 and bypass contactor to 1 internal stretch of cabinet, to facilitate electric current mutual
The voltage transformer 31 and capacitor group 5 of 31 lower section of sensor are attached, and effectively reduce the space of 1 inside cabling of cabinet,
And reduce the triviality of cabling.
Referring to Fig. 6, preferred, the lower end of incoming-line busbar 13 and outgoing line busbar 14 is connected with transition aluminium row 15, capacitor
Group 5 is connected in parallel between incoming-line busbar 13 and outgoing line busbar 14 by tin plating annealed copper strand wire 7 and fixing clamper, and transition aluminium row 15
The dismounting that can be convenient between capacitor group 5 and incoming-line busbar 13 and outgoing line busbar 14 is set, with wherein one group of capacitor in this figure
It is connected for device group 5, the other end for the tin plating annealed copper strand wire 7 being connected on transition aluminium row 15 is connected to capacitor group 5
The end of incoming cables on top and leading-out terminal.
In addition, transition aluminium row 15 by different bending sizes with adapt to capacitor group 5 with volume change bring into
The variation of line end and outlet end position.
The setting of controller 2 and measuring device 3 is used for the working condition of examinations capacitor group 5, can be right when abnormal
It carries out bypass setting, plays the role of protective condenser, and measuring device 3 includes current transformer 31,32 and of voltage transformer
Take energy mutual inductor 33, wherein
Current transformer 31 is mounted on the rear side of controller 2, and is connected on incoming-line busbar 13；
Voltage transformer 32 is mounted on the lower section of current transformer 31, and is connected in parallel on end of incoming cables and the leading-out terminal of capacitor group 5；
It takes energy mutual inductor 33 to be mounted on the side of controller 2, and is connected in parallel in the two-phase of incoming-line busbar 13.
Specifically, current transformer 31 is connected on incoming-line busbar 13, i.e., connect with distribution line, voltage transformer 32 is logical
It crosses tin plating annealed copper strand wire 7 to be connected in parallel on the inlet-outlet line confluence busbar of capacitor group 5, and energy mutual inductor 33 is taken to twist by tin plating soft copper
Line 7 is connected in parallel in the two-phase of incoming-line busbar 13, i.e., in the two-phase of the inlet wire of distribution line.
Current transformer 31 is connected serially in distribution line to measure the current data in distribution line and be sent to controller
2, voltage transformer 32 is in parallel with capacitor group 5 to measure voltage data in capacitor group 5 and be sent to controller 2, and taking can be mutually
Sensor 33 then for obtaining electric energy from distribution line, is supplied to equipment, module, device, control in this distribution series compensation device
2 electric energy of device processed uses.
Fig. 2 is please referred in order to increase the safety of debugging process, the middle part of front side in cabinet 1, capacitor is arranged in controller 2
Device group, 5 are mounted on the lower section of controller 2, and the front side of 2 top of the front side of capacitor group 5 and controller is respectively arranged with and connects
Ground protective plate 9.
Disconnecting switch QS, bypass breaker QF1 are arranged in the outside of cabinet 1, and can be separated in cabinet 1 with when overhauling
All high-voltage electricity in portion, it is ensured that personnel safety.And controller is operated for convenience, operation panel side is located at front side, i.e.,
Towards 16 direction of chamber door of 2 place side of controller, and increase ground protection plate 16, it is ensured that debugging and operator in charge process
The safety of member.
It is capacitor group 5 due to being arranged below controller 2, and capacitor group 5 can generate a large amount of heat at work, be
Guarantee heat dissipation effect, it is preferred that be provided with heat release hole and hole 91 on the ground protection plate 9 in 5 outside of capacitor group.
The efficiency of the heat dissipation of capacitor group 5 can be improved in the setting of heat release hole, and the setting of hole 91 can be convenient maintenance people
Member, which ascends a height to step on to pedal, to be debugged and is overhauled to controller 2.
Specifically, if capacitor group 5 includes dry condenser 51, and will using cable retention clip and tin plating annealed copper strand wire 7
The inlet wire of each capacitor 51 and outlet are attached, and it is fixed to be all made of fixed corner fittings 52 for each capacitor 51 in capacitor group 5
On the inner frame 12 of cabinet 1.
The effect of protection equipment 4 be when the voltage or current of capacitor group 5 occurs abnormal, using protection equipment by its
Bypass, to play a protective role to capacitor group 5, protection equipment 4 further includes bypass contactor 42 and thyristor silicon stack 43,
In,
The rear side of capacitor group 5 is arranged in thyristor silicon stack 43, and damping X-bridge device 41 is arranged under thyristor silicon stack 43
Side, thyristor silicon stack 43 are in parallel with capacitor group 5 after connecting with damping X-bridge device 41；
The top of thyristor silicon stack 43 is arranged in bypass contactor 42, is connected in parallel between incoming-line busbar 13 and outgoing line busbar 14.
Specifically, bypass contactor 43 is mounted on the upper beam 17 of the top of thyristor silicon stack 42, disengaging line end respectively with
Incoming-line busbar 13 is connected with outgoing line busbar 14, i.e., carried out with capacitor group 5 it is in parallel, and thyristor silicon stack 43 and damping X-bridge
Device 41 is then successively set on the lower section of bypass contactor 42, and the end of incoming cables of thyristor silicon stack 43 passes through switch-over row 44 and capacitor group
The tin plating annealed copper strand wire 7 of 5 end of incoming cables is connected, the end of incoming cables phase of the leading-out terminal and damping X-bridge device 41 of thyristor silicon stack 43
Even, to connect with damping X-bridge device 41, and the leading-out terminal for damping X-bridge device 41 passes through switch-over row 44 and capacitor
The tin plating annealed copper strand wire 7 of the leading-out terminal of group 5 is connected.
And bypass contactor 42, thyristor silicon stack 43 are controlled by controller 2, i.e. control capacitor group 5 accesses
Or bypass.
Specifically, when the voltage or electric current for collecting capacitor group 5 occur abnormal, control bypass contactor 42 close a floodgate with
And 43 triggering and conducting of thyristor silicon stack, capacitor group 5 is bypassed, when the voltage or electric current of collected capacitor group 5 go out
When now normal, control bypass contactor 42 disconnects and 43 open circuit of thyristor silicon stack, and capacitor group 5 is accessed.
Preferably, the bottom for damping the resistor 411 in X-bridge device 41 is mounted on cabinet 1 by insulator foot 413
On bottom plate.
In addition, the end of incoming cables of resistor 411 and reactor 412 passes through both ends bending busbar 414 and thyristor silicon stack 43
Leading-out terminal is connected.And in order to reserve enough spaces, the leading-out terminal of reactor 412 is set to inside cross brace below, no
Prominent coil external circle cylinder.
The space of cabinet 1 is made full use of for convenience, it is preferred that the high-voltage terminal of voltage transformer 32 connects towards bypass
The direction of tentaculum 42.And the bracket for installing voltage transformer 32 uses the structure of integral solder, can not only reduce and add
Work Accumulated deviation, and can be improved the rigidity of structure.
Fig. 9-10 is please referred to, in order to guarantee the overall structure of thyristor silicon stack 43, thyristor silicon stack 43 during transportation
Top be lifted on upper beam 17 by insulator 8, lower section is mounted on beams of metal 18 by connecting plate 431, and connecting plate 431
The waist-shaped hole of different directions is provided with the junction of beams of metal 18.
The both ends of upper beam 17 and beams of metal 18 are separately fixed on inner frame 12.
Specifically, connecting plate 431 is right-angle structure part, the junction of beams of metal 18 is provided with vertical waist-shaped hole I
432, and lateral waist-shaped hole II 19 is provided on beams of metal 18, the waist-shaped hole of different directions can realize space three in connection
The adjusting in a direction is to make up the installation error of thyristor silicon stack 43.
For the ease of bypassing capacitor group 5, thyristor silicon stack 43 includes two fixed by a pair of of pressing plate 433
The thyristor 434 of a reverse parallel connection, and the resistance 435 and capacitor 436 in two pressing plates of setting, 433 outside, wherein
Resistance 435 is fixed therein the outside of a pressing plate 433 by the resistance mounting plate 437 of L-type, and capacitor 436 passes through Z-type
Capacitor mounting plate 438 be fixed on the outside of another pressing plate 433.
Resistance 435 and capacitor 436 are directly mounted on by pressing plate 433 using resistance mounting plate 437 and capacitor mounting plate 438
Outside, can simplify the structure of thyristor silicon stack 43, and the duty space of entire thyristor silicon stack 43 can be reduced.
In addition, in order to further reduce the volume of entire thyristor silicon stack 43, on the radiator between two thyristors 434
Fin is as its end of incoming cables, and the short circuit copper bar of two thyristors 434 is as leading-out terminal.
And it is provided with lifting lug 439 on pressing plate 433, is conveniently fixed on upper beam 17.
Referring to Fig. 8, the waterproof performance in order to guarantee 6 installation place of wall bushing, wall bushing 6 and the top of cabinet 1 are adopted
It is fixedly connected with ring flange 61, and the top of ring flange 61 is provided with rain cover 62(in addition to 8, the set through walls on remaining attached drawing
Guan Jun is structure when not installing rain cover).
Preferably, the end face of ring flange 61 is sealed waterproof using plain seal pad or O-ring seal, to increase waterproof
Effect.
Rain cover 62 is assembled using being sloped downwardly outside two panels, facilitates and is drained, and assembling part is provided with sealing
Glue sealing.
Preferably, the top of cabinet 1 is provided with outdoor insulator 110 and is mounted on the company at 110 top of outdoor insulator
Welding fixture 111 is conveniently used for the inlet wire conducting wire of fixed distribution line.
Since wall bushing 6 is mounted on the top of cabinet 1, destruction, the top of cabinet 1 are generated to it when lifting in order to prevent
Opposite sides is separately installed with lifting rope limited block 112.
Specifically, the every side of lifting rope limited block 112 is respectively provided with two, and the U-shaped structure to be disposed opposite to each other, lifting rope limited block
1 bottom of cabinet at 112 places side is provided with hoisting column 113, hoisting rope can be fixed in hoisting column 113 in lifting, and
And be limited in the slot of U-shaped structure, prevent it from arbitrarily moving.
The all parts in cabinet 1 are overhauled for convenience, the surrounding of cabinet 1 is provided with the chamber door of two-way switch
16, the top of chamber door 16 and cabinet 1 is provided with the electromagnetic lock 114 of cooperation.
The setting of electromagnetic lock 114 cannot open when can have high-voltage electricity in cabinet 1, open by mistake a bring to evade
Risk.
The lock body of specific electromagnetic lock 114 is mounted on the top of cabinet 1, and locking plate is mounted in the top of chamber door 16
Side.
Preferably, radiator window 115 is provided on chamber door 16, radiator window 115 can be effectively by equipment work institute in cabinet 1
The heat of generation is discharged, to guarantee the normal work of equipment.
Please refer to Figure 11, in the present embodiment, the both ends of bypass short-circuiting device QF2 are connected separately with I QS1 of disconnecting switch and isolation
II QS2 of switch, after I QS1 of disconnecting switch and II QS2 of disconnecting switch closes a floodgate and bypass breaker QF is disconnected, capacitor group C access
In road distribution line, current transformer TA connects with distribution line, so that measuring distribution line current data (flows through capacitor
The electric current of group), voltage transformer TV1 is in parallel with capacitor group C to measure voltage data in capacitor group C, and taking can mutual inductor
TV2 is then used to obtain electric energy from distribution line, and when the voltage or electric current for collecting capacitor group C occur abnormal, control is other
Road contactor QF2 closes a floodgate and the first thyristor VT1 in thyristor silicon stack, the second thyristor VT2 triggering and conducting, by capacitor
Group C is bypassed, and when collecting the voltage or normal electric current of capacitor group C, control bypass contactor QF2 disconnect and
Thyristor silicon stack open circuit, capacitor group C is accessed in distribution line.
Voltage or electric current occur it is abnormal be specifically voltage, current vanishes and be zero or voltage, electric current are more than normal value, or
When resonance occurs for person's distribution line.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of box distribution series compensation device, which is characterized in that including controller (2) in cabinet (1), measurement is arranged
Equipment (3), protection equipment (4) and capacitor group (5), and be arranged and outside and be connected to the vacuum on distribution line in cabinet (1)
Breaker, wherein
The both ends of the vacuum circuit breaker are connected separately with disconnecting switch I and disconnecting switch II；
The wall bushing (6) being connected with the distribution line is installed, the capacitor group (5) is logical at the top of the cabinet (1)
Wall bushing (6) is crossed to be connected in the distribution line；
Protection equipment (4) includes the damping X-bridge device (41) in parallel with capacitor group (5), and the damping is electric
Anti- resistor (41) is split type structure, respectively include resistor (411) and be connected to the end of incoming cables of the resistor (411) with
The reactor (412) of leading-out terminal.
2. box distribution series compensation device according to claim 1, which is characterized in that the wall bushing (6) is
Triangle disposition distribution, and its outer end is connected with the distribution line, and inner end is respectively with the incoming-line busbar (13) in cabinet (1) and out
Line busbar (14) is connected.
3. box distribution series compensation device according to claim 2, which is characterized in that the measuring device (3) includes
Current transformer (31), voltage transformer (32) and take can mutual inductor (33), wherein
The current transformer (31) is mounted on the rear side of the controller (2), and is connected on the incoming-line busbar (13)；
The voltage transformer (32) is mounted on the lower section of the current transformer (31), and is connected in parallel on the capacitor group (5)
End of incoming cables and leading-out terminal；
It is described that energy mutual inductor (33) is taken to be mounted on the side of the controller (2), and be connected in parallel in the two-phase of incoming-line busbar (13).
4. box distribution series compensation device according to claim 1, which is characterized in that controller (2) setting exists
The middle part of front side, the capacitor group (5) are mounted on the lower section of the controller (2), and the capacitor in the cabinet (1)
The front side and the front side above controller (2) of group (5) are respectively arranged with ground protection plate (9).
5. box distribution series compensation device according to claim 2, which is characterized in that the protection equipment (4) is also wrapped
Include bypass contactor (42) and thyristor silicon stack (43), wherein
Rear side of thyristor silicon stack (43) setting in the capacitor group (5), damping X-bridge device (41) setting
In the lower section of the thyristor silicon stack (43), the thyristor silicon stack (43) connect with the damping X-bridge device (41) after with
The capacitor group (5) is in parallel；
The bypass contactor (42) is arranged in the top of the thyristor silicon stack (43), is connected in parallel on the incoming-line busbar (13)
Between outgoing line busbar (14).
6. box distribution series compensation device according to claim 5, which is characterized in that the thyristor silicon stack (43) it is upper
Side is lifted on upper beam (17) by insulator (8), and lower section is mounted on beams of metal (18) by connecting plate (431), and described
The junction of connecting plate (431) and beams of metal (18) is provided with the waist-shaped hole of different directions.
7. box distribution series compensation device according to claim 5, which is characterized in that thyristor silicon stack (43) packet
Include the thyristor (434) by two fixed reverse parallel connections of a pair of of pressing plate (433), and two pressing plates (433) of setting
The resistance (435) and capacitor (436) in outside, wherein
The resistance (435) is fixed therein the outside of a pressing plate (433) by the resistance mounting plate (437) of L-type, described
Capacitor (436) is fixed on the outside of another pressing plate (433) by the capacitor mounting plate (438) of Z-type.
8. box distribution series compensation device according to claim 1, which is characterized in that the wall bushing (6) and institute
The top for stating cabinet (1) is fixedly connected using ring flange (61), and rain cover (62) are provided with above the ring flange (61).
9. box distribution series compensation device according to claim 1, which is characterized in that the top phase of the cabinet (1)
Lifting rope limited block (112) are separately installed with to two sides.
10. box distribution series compensation device according to claim 1, which is characterized in that the surrounding of the cabinet (1) is equal
It is provided with the chamber door (16) of two-way switch, the electromagnetic lock (114) of cooperation is provided at the top of the chamber door (16) and cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910812197.1A CN110460066A (en) | 2019-08-30 | 2019-08-30 | A kind of box distribution series compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910812197.1A CN110460066A (en) | 2019-08-30 | 2019-08-30 | A kind of box distribution series compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110460066A true CN110460066A (en) | 2019-11-15 |
Family
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| CN201910812197.1A Pending CN110460066A (en) | 2019-08-30 | 2019-08-30 | A kind of box distribution series compensation device |
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| CN107327028A (en) * | 2016-04-28 | 2017-11-07 | 上海宝冶集团有限公司 | Curved surface main structure and time structure connection construction method |
| CN109066714A (en) * | 2018-08-24 | 2018-12-21 | 常州博瑞电力自动化设备有限公司 | A kind of box distribution series compensation device and its working method |
| CN109378714A (en) * | 2018-12-11 | 2019-02-22 | 宋晓雨 | A kind of switchgear and a kind of openable bus-bar room |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH118127A (en) * | 1997-06-17 | 1999-01-12 | Nissin Electric Co Ltd | Capacitor equipment |
| CN201054501Y (en) * | 2007-06-21 | 2008-04-30 | 珠海南自电气***工程有限公司 | Box type serial-connection capacitance compensation device |
| CN201315436Y (en) * | 2008-12-25 | 2009-09-23 | 浙江群力电气有限公司 | Minitype armored movable metal closed switch device |
| CN201549818U (en) * | 2009-11-04 | 2010-08-11 | 河北电力设备厂 | Air-insulated 40.5 kV armored handcart-type switch cabinet |
| CN203387107U (en) * | 2013-06-28 | 2014-01-08 | 安徽鑫龙电器股份有限公司 | Arrangement structure of metal armored draw-out high-voltage switch cabinet |
| CN203536971U (en) * | 2013-11-25 | 2014-04-09 | 国家电网公司 | Series connection compensation device for intelligent distribution network |
| CN204088900U (en) * | 2014-09-18 | 2015-01-07 | 福建永福工程顾问有限公司 | GIS branch bar wears roof structure |
| CN105552928A (en) * | 2016-01-29 | 2016-05-04 | 浙江桂容谐平科技有限责任公司 | Series-connection/parallel-connection hybrid capacitor compensation apparatus for 10kV power distribution line |
| CN107327028A (en) * | 2016-04-28 | 2017-11-07 | 上海宝冶集团有限公司 | Curved surface main structure and time structure connection construction method |
| CN109066714A (en) * | 2018-08-24 | 2018-12-21 | 常州博瑞电力自动化设备有限公司 | A kind of box distribution series compensation device and its working method |
| CN109378714A (en) * | 2018-12-11 | 2019-02-22 | 宋晓雨 | A kind of switchgear and a kind of openable bus-bar room |
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Application publication date: 20191115 |