CN109461584A - The controllable fuse type high voltage capacitor of intelligence and controllable fuse - Google Patents
The controllable fuse type high voltage capacitor of intelligence and controllable fuse Download PDFInfo
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- CN109461584A CN109461584A CN201811304181.1A CN201811304181A CN109461584A CN 109461584 A CN109461584 A CN 109461584A CN 201811304181 A CN201811304181 A CN 201811304181A CN 109461584 A CN109461584 A CN 109461584A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 274
- 239000012212 insulator Substances 0.000 claims abstract description 72
- 230000005669 field effect Effects 0.000 claims abstract description 68
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 238000005259 measurement Methods 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 239000011889 copper foil Substances 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 24
- 239000000178 monomer Substances 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 229910052573 porcelain Inorganic materials 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 17
- 239000008358 core component Substances 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 9
- 229920001155 polypropylene Polymers 0.000 claims description 9
- 230000001012 protector Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 57
- 230000000694 effects Effects 0.000 description 9
- 230000033228 biological regulation Effects 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 7
- 241001062472 Stokellia anisodon Species 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000000866 electrolytic etching Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/40—Structural combinations of fixed capacitors with other electric elements, the structure mainly consisting of a capacitor, e.g. RC combinations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/14—Protection against electric or thermal overload
- H01G2/16—Protection against electric or thermal overload with fusing elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/38—Multiple capacitors, i.e. structural combinations of fixed capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
-
- 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
-
- 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
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fuses (AREA)
Abstract
The present invention provides a kind of controllable fuse type high voltage capacitor of intelligence, and fuse is connect with capacitor anode insulator and fuse detection control apparatus respectively, and fuse detection control apparatus is connected with DSP intelligent controller；The fusing control unit of fuse includes fuse member, current-limiting resistance and JFET field-effect tube module；The input terminal of fuse member is connected with capacitor anode insulator, the connection of the input terminal of output end and current-limiting resistance, the output end of current-limiting resistance is connect with the input terminal of JFET field-effect tube module, the output end of JFET field-effect tube module is connect with fuse bodies, and the control electrode of JFET field-effect tube module is connect with DSP intelligent controller.A kind of controllable fuse is provided simultaneously.The present invention has high voltage and strong power of resisting voltaic impingement, thoroughly solves the problems, such as the defect of existing high-voltage capacitor technology inconvenience measurement and control and easy punch through damage, improves capacitor controllability and safety.
Description
Technical field
The present invention relates to field of power electronics and high-voltage capacitor technical field, and in particular, to a kind of intelligence controllably melts
Disconnected device formula high voltage capacitor and controllable fuse.
Background technique
The metal productions such as China Steel aluminium have developed into 50% of world wide production or more, high-speed electric car railway development speed
For the first in the world.Due to the particularity of electric car railway and metal smelt system, a large amount of higher hamonic wave and reactive power are generated,
Power grid is caused greatly to impact and be interfered, the serious safety and stabilization for influencing power grid.For to mains by harmonics and idle electricity
Power compensates, and power grid uses a large amount of high-voltage capacitor, the problems as present in existing capacitor and defect, because
And the performance for improving improvement high-voltage capacitor has become the important topic in modern power network.
Through retrieving:
Notification number is CN103440936A patent, entitled ceramic insulator and high-voltage power capacitor insulator device；
The insulator arrangement includes ceramic insulator ontology, connector assembly and mounting assembly；Mounting assembly includes metal installation base and close
Seal；Metal installation base is tubulose, and sealing ring is located between the lower surface and blocking portion of annular locating lug boss；Although the invention
Installation is more convenient.But the performance of capacitor is not improved, however it remains capacitor cannot be detected asks with easy to damage
Topic.
Notification number is CN200947544 patent, and entitled high voltage integrated adjustable capacitor type power reactive compensator is public
A kind of utility model adjustable capacitor type power reactive compensator, the reactive compensation being primarily adapted for use in 10-35KV power grid are opened
It is adjusted with voltage.Compensator is divided into fixed part and adjustable part, and fixed part capacitor is high-voltage capacitor, adjustable part
Capacitor is low-voltage capacity device, and the regulation of capacitor is realized by stacked switch, and regulation is completed in low-voltage, so to power grid
Impact small, structure is simple.Although this patent impacts power grid smaller, however it remains the adjustment range is small, and high-voltage capacitor is easy to damage
The problem of.
Notification number is CN2687829 patent, and entitled large capacity high-voltage capacitor protects fuse, is disclosed a kind of big
Capacity high voltage capacitor protective fuse, at the top of fuse be arranged screw thread binding post as fuse connector and with the spiral shell of pipe cap
Hole and arc extinguishing inside pipe wall are closely connected using screw thread, and the fuse connector and pipe cap contact resistance of this fuse are small, by big
It not will cause hot-spot when electric current and cause fuse wrong diagnosis, arc-extinguishing tube is not easy loose or dislocation.But to the performance of capacitor without changing
It is kind, however it remains capacitor cannot detect and problem easy to damage.
Current existing national grid, railway electric car, metal smelt system use in order to compensate for mains by harmonics and reactive power
A large amount of capacitors and reactive power compensator and the compensation devices such as LC filter, SVG, SVC etc., and these compensation devices are by height
Piezoelectric capsule is constituted, and existing high-voltage capacitor impacts greatly power grid, is easy to generate resonance, easy puncture short and damage, right
Power grid causes great hidden danger, therefore improves the high pressure resistant resistance to breakdown capability of capacitor and monitor and protect, and is current electric power electricity
Problem anxious to be resolved in net and high-voltage capacitor technology.
Summary of the invention
Aiming at the above shortcomings existing in the prior art, the object of the present invention is to provide a kind of controllable fuse types of intelligence
High voltage capacitor and controllable fuse, the capacitor improve the high pressure resistant resistance to breakdown capability of capacitor and monitor and protect
Shield, high pressure resistant strong with power of resisting voltaic impingement, high frequency performance small in size is good, safe and reliable.
The present invention is achieved by the following technical solutions.
According to an aspect of the invention, there is provided a kind of controllable fuse type high voltage capacitor of intelligence, comprising: electricity
Capacitor positive electrode insulator, capacitor anode insulator, fuse, fuse detection control apparatus, discharger, discharge examination dress
It sets, DSP intelligent controller and high voltage capacitor core pieces；Wherein:
The capacitor anode insulator is connected with the anode of high voltage capacitor core pieces, the high voltage capacitor
The cathode of core components is connected with capacitor anode insulator, the capacitor anode insulator and capacitor anode insulator
Between be equipped with interior discharger, the discharging detection device is connected with interior discharger, and the discharging detection device and DSP are intelligent
Controller is connected；
The fuse connects with capacitor anode insulator, fuse detection control apparatus and DSP intelligent controller respectively
It connects, the fuse detection control apparatus is connected with DSP intelligent controller；
The fuse includes fusing control unit and fuse bodies；The fusing control unit includes: fuse member, limit
Leakage resistance and JFET field-effect tube module；Wherein:
The input terminal of the fuse member is connected with capacitor anode insulator, the output end of fuse member and current-limiting resistance
Input terminal connection, the output end of the current-limiting resistance are connect with the input terminal of JFET field-effect tube module, the JFET effect
The output end of tube module is answered to connect with fuse bodies, the control electrode and DSP intelligent controller of the JFET field-effect tube module
Connection, the control by DSP intelligent controller to JFET field-effect tube module adjust fuse bodies electric current.
Preferably, the fuse bodies include fuse part, upper connector and lower connector；The capacitor is just
Pole insulator includes porcelain insulator, upper screw rod, lower screw rod, upper hold-doun nut, lower hold-doun nut, upper seal, lower seal,
Upper gasket, lower seal pad, detection device outer cover and insulator fixing seat；
The fuse part is installed on the inside of porcelain insulator, the top and bottom of fuse part respectively with upper connection
Part and lower connector form integral structure；The upper screw rod screws in the interior spiral shell of upper connector, and the outer end of upper screw rod is located at insulation
It fixes and compresses outside the upper end of porcelain vase and by upper hold-doun nut；The screw rod of the lower connector screws in lower screw rod top
The outer end of internal screw thread, lower screw rod is located at outside the lower end of porcelain insulator, and the insulator fixing seat is installed on the outer of lower screw rod
On end, and fixes and compress by lower hold-doun nut；The detection device outer cover is installed on insulator fixing seat and insulation porcelain
Between bottle, the fuse detection control apparatus is installed in detection device outer cover；The upper end of the porcelain insulator and upper fixation
Upper seal is installed between nut, installs gasket between the upper seal and upper hold-doun nut；The insulator is fixed
Lower seal is installed between seat and lower hold-doun nut, lower seal pad is installed between the lower seal and lower hold-doun nut；
The fusing control unit of the fuse is set to inside fuse part, and the input terminal of the fuse member is by upper
Connector is connected with upper screw rod, and the output end of JFET field-effect tube module is connect with lower connector；
The fuse detection control apparatus is arranged in capacitor anode exterior insulator.
Preferably, the high voltage capacitor core pieces include: capacitor core, high conductivity is noninductive copper foil and insulation
Medium；Wherein:
The noninductive copper foil of high conductivity includes positive plate and negative plate, is dielectric between positive plate and negative plate；
The capacitor core is vertically installed between positive plate and negative plate disposed in parallel, forms capacitor core monomer；The anode
Plate draws the capacitance core anode that the noninductive copper foil welding axis of shaft type forms capacitor core monomer in using, and the negative plate uses to be drawn outside
Shaft type is noninductive, and copper foil welding axis forms the capacitance core cathode of capacitor core monomer；
The capacitor core monomer of multiple parallel connections forms a layer capacitor cored structure, the capacitor in upper layer capacitor cored structure
It is connected between capacitance core anode in core cathode and next layer capacitor cored structure by connector；
Multi-layer capacitor cored structure connects to form capacitor core component, the capacitor core list on each layer capacitor cored structure
Body is provided at least one layer of specified dielectric, the insulation of capacitor core monomer setting on the layer capacitor cored structure of middle part
The dielectric number of plies of the medium number of plies less than capacitor core monomer setting on first layer and the last layer capacitor core structure.
It is further preferable that the dielectric uses high-molecule metal polypropylene insulating film.
It is further preferable that capacitor core amount of monomer in parallel in each layer capacitor cored structure is by required capacitance and electricity
Stream is determined；Concatenated capacitor core structure sheaf quantity is determined by required voltage rating in capacitor core component.
It is further preferable that the multi-layer capacitor cored structure is N layer capacitor cored structure, N layer capacitor cored structure the 1st
Layer and n-th layer on capacitor core monomer setting dielectric use 2 times of layers or 3 times of layers, the 2nd layer of N layer capacitor cored structure
The dielectric of capacitor core monomer setting on~the N-1 layer uses 1 times of layer, and wherein N is natural number.
Preferably, the capacitor further includes fusing display and electric discharge display；Wherein:
The fusing display and electric discharge display are connected with DSP intelligent controller respectively.
It is further preferable that further including following any one or any multinomial feature:
When capacitor or fuse break down, DSP intelligent controller controls the shutdown of JFET field-effect tube module, makes
Capacitor is detached from circuit, and fusing display issues alarm signal；
When capacitor failure or when JFET field-effect tube module is out of control, fuse electric current reaches protection fusing value,
Then fuse member disconnects, and signal is sent to DSP intelligent controller, protected to power grid and circuit by fuse detection control apparatus
Operation, fusing display issue alarm signal；
When condenser voltage changes and is more than prescribed limit, DSP intelligent controller controls discharger to capacitor
Device voltage is discharged with reserve of electricity, is adjusted and is controlled to capacitor voltage at both ends；When capacitor powers off, DSP is intelligently controlled
Device control discharger processed discharges to capacitor, and condenser voltage is made to drop to setting voltage at the appointed time hereinafter, putting
Electric display display working condition；
When three-phase current or Voltage unbalance occurs in capacitor, DSP intelligent controller is according to fuse detection device
With discharging detection device capacitor three-phase current detected or Voltage unbalance measurement and data, JFET field-effect tube is controlled
Module is adjusted and controls to the three-phase charging current of capacitor, is reached with this and adjusts three-phase current or balance of voltage degree.
It is further preferable that the stipulated time is 5~10 minutes, voltage is set as 30V.
It preferably, further include capacitor protector, the discharger, discharging detection device and high voltage capacitor core pieces
It is respectively arranged in capacitor protector；
Oil immersed type structure or dry construction are used in the capacitor protector.
According to another aspect of the present invention, a kind of controllable fuse is provided, the controllable fuse includes fusing control
Component processed and fuse bodies；The fusing control unit includes: fuse member, current-limiting resistance and JFET field-effect pipe die
Block；Wherein:
The input terminal of the fuse member is connect with power equipment or power circuit, output end and the current limliting electricity of the fuse member
The input terminal of resistance connects, and the output end of the current-limiting resistance is connect with the input terminal of JFET field-effect tube module, the JFET
The output end of field-effect tube module is connect with power equipment or power circuit, the control electrode of the JFET field-effect tube module with
Peripheral control unit connection, the control by peripheral control unit to JFET field-effect tube module adjust fuse bodies electric current.
Preferably, the fuse bodies include fuse part, upper connector and lower connector；Wherein:
The top and bottom of the fuse part form integral structure with upper connector and lower connector respectively；It is described molten
Disconnected control unit is set to inside fuse part, and the input terminal of the fuse member passes through upper connector and power equipment or electricity
The output end of power connection, the JFET field-effect tube module is connect by lower connector with power equipment or power circuit.
The controllable fuse type high voltage capacitor of intelligence provided by the invention is detected using brand new using fuse
Control device and DSP intelligent controller are monitored control and protection to high-voltage capacitor and fuse；Capacitor core component is adopted
It is constituted with particular design structure and dielectric；When variation and exception occurs in condenser current, the control of DSP intelligent controller is molten
Disconnected device and high-power JFET field-effect tube module, are adjusted and control with condenser voltage to the electric current of fuse；By
This tunable capacitor three-phase current balance of voltage degree, improves the current control performance and power of resisting voltaic impingement of capacitor.When
Capacitor failure, DSP intelligent controller control fuse and JFET field-effect tube module, make JFET field-effect tube module
It disconnects, capacitor is made to be detached from power grid, play protection power grid purpose；The present invention is high pressure resistant strong with power of resisting voltaic impingement, small in size
High frequency performance is good, safe and reliable.It is applicable to high-speed rail electric car railway, metal smelt system, national grid harmonic wave and reactive power
Compensation and various high-power electric devices.
Compared with prior art, the present invention have it is following at least one the utility model has the advantages that
1, fuse may be provided at capacitor anode interior insulator, and fuse detection control apparatus may be provided at capacitor
Positive exterior insulator is easily installed maintenance；Adjusting and protection are monitored to fuse by DSP intelligent controller；DSP intelligence
Device be can control according to the requirement and specification to fuse electric current, to the electric current of high-power JFET field-effect tube device sum into
Row adjusts and control, so as to improve the current control performance of fuse and high-voltage capacitor and high pressure resistant and anti-current impact energy
Power and anti-breakdown protective capability.
2, the upper connector of fuse and lower connector and fuse part are integrated；The upper screw rod of insulator passes through interior
Seal face is formed between screw thread and fuse part, increases screw rod and fuse contact area；Fuse lower connecting rod with
Lower screw rod increases seal face by the screw thread of securing member and increases the contact area of fuse and lower screw rod, increases contact
Conductive current amount.
3,1~N part can be used in the current-limiting resistance of fuse, high-power JFET field-effect tube device, can be in current limliting model
Enclose the interior carry out current regulation for carrying out continuous precise large capacity and control.
4, when condenser current voltage value changes or abnormal, DSP intelligent controller can be according to requiring to JFET effects
The electric current of tube device is answered to be controlled and adjusted；When the capacitor faults, dsp controller controls JFET field-effect tube device
Shutdown makes capacitor be detached from power grid and circuit, while the display that fuses is shown, and issues alarm signal.
5, when high-voltage capacitor or fuse break down, condenser current is more than accepted tolerance value, and fuse member fuses,
So that capacitor is detached from power grid, capacitor and power grid are protected；Fuse display is shown simultaneously, and issues alarm signal.
6, fuse and fuse detection device output signal be sent to DSP intelligent controller to capacitor carry out detection with
Control, thoroughly solve the problems, such as existing high-voltage capacitor technology inconvenience detection with it is uncontrollable, and can be with monitoring capacitor work
Make state and three-phase capacitor Current Voltage non-equilibrium state.When non-equilibrium state, DSP occur for capacitor three-phase current voltage
Intelligent controller is adjusted and controls to the running current of high-power JFET field-effect tube, adjusts capacitor with this
Electric current and voltage are adjusted and control to capacitor three-phase current balance of voltage degree.
7, when condenser voltage is more than prescribed limit, DSP intelligent controller control discharger carries out electric discharge pressure regulation；Work as electricity
Container power-off, discharger discharge the electric energy stored by capacitor, make voltage drop in defined 5 minutes~10 minutes
To 30V hereinafter, electric discharge display flicker prompts working condition (settable flicker frequency and number), so as to staff's operation.
8, present invention can apply to can also be applied to high-voltage isulation in other electric power electrical apparatus or power wiring systems
In various electrical apparatus electric power equipment and power circuit other than son.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structure chart for the controllable fuse type high voltage capacitor of intelligence that one embodiment of the invention provides；
In Fig. 1: 1 be capacitor anode insulator, 2 be fuse, 3 be fuse detection control apparatus, 4 be discharger,
5 be discharging detection device, 6 be DSP intelligent controller, 7 be capacitor core component, 7-1 is positive plate, 7-2 is negative plate, 8 is
Fusing display, 9 be discharge display, 12 be capacitor protector；
Fig. 2 is the structure sectional view for the controllable fuse type high voltage capacitor of intelligence that one embodiment of the invention provides；
In Fig. 2: 1 be capacitor anode insulator, 2 be fuse, 3 be fuse detection control apparatus, 4 be discharger,
5 be discharging detection device, 6 be DSP intelligent controller, 7 be capacitor core component, 7-3 is capacitance core anode, 7-4 is capacitance core
Cathode, 8 be fusing display, 9 be electric discharge display, 10 be the noninductive copper foil of high conductivity, 11 be high-molecule metal polypropylene
Insulation film, 12 are capacitor protector；
Fig. 3 is the structure chart for the capacitor anode insulator 1 that one embodiment of the invention provides；
In Fig. 3: 1-1 is porcelain insulator, 1-1-1 is upper seal, 1-1-2 is lower seal, 1-2-1 is upper screw rod, 1-
2-2 is lower screw rod, 1-2-3 is upper hold-doun nut, 1-2-4 is lower hold-doun nut, 1-3 is detection device outer cover, 1-4 is insulation
Sub- fixing seat；
Fig. 4 is the 1 internal structure cross-sectional view of capacitor anode insulator that one embodiment of the invention provides；
In Fig. 4: 1-1 is porcelain insulator, 1-1-1 is upper seal, 1-1-2 is lower seal, 1-2-1 is upper screw rod, 1-
2-2 is lower screw rod, 1-2-3 is upper hold-doun nut, 1-2-4 is lower hold-doun nut, 1-3 is detection device outer cover, 1-4 is insulation
Sub- fixing seat, 2-1-1 are upper connector, 2-1-2 be connector under fuse, 2 be fuse, 3 be fuse detection control dress
It sets；
Fig. 5 is the fusing control unit structure and schematic diagram for the controllable fuse that one embodiment of the invention provides；
In Fig. 5,2-1-1 is upper connector, and 2-1-2 is lower connector, 2-2 is that fuse member, 2-3-1 and 2-3-2 are respectively
Current-limiting resistance, 2-4-1 and 2-4-2 are respectively high-power JFET field-effect tube, and 2-5-1 and 2-5-2 are respectively JFET effects
Should pipe control electrode；
Fig. 6 is the high-power JFET field-effect tube internal structure and schematic diagram that one embodiment of the invention provides；
In Fig. 6,2-6 is high voltage insulator；
Fig. 7 is the structural schematic diagram for the interlayer capacitance device cored structure that one embodiment of the invention provides；
Fig. 8 is the structural schematic diagram of the first layer that one embodiment of the invention provides and last layer capacitor core structure.
Specific embodiment
Elaborate below to the embodiment of the present invention: the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given.It should be pointed out that the ordinary skill people of this field
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Embodiment 1
Referring to Fig.1 shown in-Fig. 8, for the embodiment signal of the controllable fuse type high voltage capacitor of intelligence of the invention
Figure.The controllable fuse type high voltage capacitor of intelligence includes capacitor anode insulator 1, fuse 2, fuse detection control
Device 3, discharging detection device 5, DSP intelligent controller 6, high voltage capacitor core pieces, fusing display 8, is put discharger 4
Electric display 9 and capacitor protector 12, in which:
Capacitor anode insulator 1, fuse 2, fuse detection control apparatus 3 form controllable fuse assembly；
Capacitor anode insulator 1 includes: porcelain insulator 1-1-1, upper seal 1-1-2, lower seal 1-1-3, upper close
Packing (1-3-3), lower seal pad (1-3-4), insulator fixing seat 1-4, upper screw rod 1-2-1, lower screw rod 1-2-2, upper fixed spiral shell
Cap 1-2-3, lower hold-doun nut 1-2-4；Detection device outer cover 1-3；
Fuse 2 includes: fuse part, upper connector 2-1-1, lower connector 2-1-2, fuse member 2-2, current limliting electricity
Hinder 2-3-1 and 2-3-2, high-power JFET field effect transistor 2-4-1 and 2-4-2；
Wherein, fuse member 2-2, current-limiting resistance 2-3-1 and 2-3-2, high-power JFET field effect transistor 2-4-1
The fusing control unit of fuse 2 is formed with 2-4-2.
Fuse 2 can be set inside capacitor anode insulator 1, fuse detection control apparatus 3 can be set
Outside capacitor anode insulator 1, fuse 2 is externally provided with detection device outer cover 1-3, is easily installed replacement and maintenance；Capacitor
Shell 12 is internally provided with discharger 4, discharging detection device 5 and high voltage capacitor core components, is provided with outside capacitor protector 12
DSP intelligent controller 6, fusing display 8 and electric discharge display 9；The positive/negative plate 7-1 and 7-2 of high voltage capacitor core components is adopted
With the noninductive copper foil 10 of high conductivity, special high-molecule metal polypropylene high voltage insulation film 11 is used between positive/negative plate,
Form high voltage bearing dielectric, capacitor core component 7 uses special design structure, greatly improve the high voltage of capacitor with
The intensity of anti-current impact；In one embodiment, fuse detection control apparatus 3 and the signal of discharging detection device 5 are sent with data
It is calculated and is analyzed to DSP intelligent controller 6, by DSP intelligent controller 6 to fuse 2 and discharger 4 and high-voltage capacitance
The voltage and electric current and operating status of device are monitored adjusting and control, and control is adjusted according to capacitor and network planning
It is operated with protection.
Fuse detection control apparatus 3 passes the Current Voltage and operating state signal and data of capacitor and fuse
It is sent to DSP intelligent controller 6 to be calculated and analyzed, JFET field-effect tube module control instruction is calculated, by JFET field-effect
Tube module is adjusted and controls with condenser voltage to the electric current of fuse；When condenser voltage electric current or fuse occur
Variation is abnormal, and DSP intelligent controller 6 issues JFET field-effect tube modular member 2-4 and controls to adjust instruction, to fuse 2 with
Control and protection is adjusted in the electric current of JFET field-effect tube module 2-4-1 and 2-4-2；
When the capacitor or fuse 2 break down, DSP intelligent controller 6 controls JFET field-effect tube module 2-
4-1 and 2-4-2 is turned off, and capacitor is made to be detached from circuit, and fusing display 8 issues alarm signal.
When the capacitor break down or when fuse JFET field-effect tube module 2-4-1 and 2-4-2 it is out of control, fuse
2 electric current of device reaches protection fusing value, then fuse member 2-2 is disconnected, and 3 signal of fuse detection control apparatus is sent to DSP intelligent control
Device 6 carries out protection operation to power grid and circuit, and fuse display 8 issues alarm signal.
Discharger 4 and discharger detection device 5 are equipped in the high-voltage capacitor；Discharger 4 and detection control apparatus 5
Output signal is sent to dsp controller 6 and is calculated and analyzed, when condenser voltage change with when condenser voltage is more than
Prescribed limit, DSP intelligent controller 6 control discharger and discharge to condenser voltage and reserve of electricity, to capacitor both ends electricity
Pressure is adjusted and controls；When capacitor powers off, DSP intelligent controller 6 controls discharger 4 and discharges high-voltage capacitor,
Voltage is down to 30V hereinafter, display lamp 9 goes out, so as to staff's operation in 5 minutes~10 minutes.
When non-equilibrium state occurs for capacitor three-phase current voltage, DSP intelligent controller 6 is according to fuse detection device 3
With the measurement of the capacitor three-phase current Voltage unbalance detected of discharging detection device 5 and data, JFET field-effect tube 2- is controlled
3-1 and 2-3-2 is adjusted and controls to the three-phase charging current of capacitor, is reached with this and adjusts capacitor three-phase electricity galvanic electricity
Press the degree of balance；Solve the problems, such as that existing high-voltage capacitor is undetectable and controls,
The high voltage capacitor core pieces use special construction i.e.: positive plate 7-1 and negative plate 7-2 is using highly conductive
Rate is noninductive copper foil 10, dielectric uses high-molecule metal polypropylene high voltage insulation film 11, capacitor between positive/negative plate
Device core is mounted between capacitor anode and negative plate, forms capacitor core monomer；The capacitor core monomer of multiple parallel connections forms one
Layer capacitor cored structure, the capacitance core in capacitance core cathode and lower layer's capacitor core structure in the capacitor core structure of upper layer is just
It is connected between pole by connector；Multi-layer capacitor cored structure connects to form capacitor core component 7；Interlayer capacitance device cored structure
One layer of voltage rating dielectric, the capacitor of first layer and the last layer is arranged in the dielectric of upper capacitor core monomer setting
The dielectric number of plies that capacitor core monomer is arranged on device cored structure is 2~3 times of the interlayer insulation medium number of plies；Through multiple
It is demonstrated experimentally that capacitor breakdown punctures first layer or the last layer first；In one embodiment, first layer and the last layer
After the capacitance core dielectric number of plies increases by 2~3 times of layers, capacitor breakdown voltage can be improved 2~3 times or more；Each layer capacitance core
For parallel-connection structure, capacitance core parallel connection quantity is determined by required capacitance with electric current；Cascaded structure, string are used between upper and lower level
The number of plies of connection is determined by required voltage rating.Oil immersed type can be used in capacitor, dry type can also be used.
In above-described embodiment, fuse 2 can be also used in other than capacitor anode insulator or be independently operated, and can also be used for
In other various electrical apparatus electric power equipment and power circuit.
The controllable fuse of intelligence includes 3 parts: insulator assembly 1, controllable fuse assembly 2 and fuse detection control
Device 3 is constituted.
Insulator assembly 1 includes: porcelain insulator sub-component 1, porcelain vase upper seal 1-1-1, lower seal 1-1-2, insulation
Screw rod 1-2-1 on son, lower screw rod 1-2-2, upper hold-doun nut 1-2-3, lower hold-doun nut 1-2-4, detection device cover 1-3, insulation
Sub- fixing seat 1-4；
Controllable fuse 2 includes: connector 2-1-2, fuse member 2-2, limit under fuse upper connector 2-1-1, fuse
Leakage resistance 2-3-1 and 2-3-2, high-power JFET field-effect tube 2-4-1 and 2-4-2；
In above-described embodiment, when the Current Voltage value of capacitor changes, or overvoltage or overcurrent occurs, then by
DSP intelligent controller 6 controls to adjust current value and the capacitor both ends of JFET the field-effect tube 2-4-1 and 2-4-2 of fuse 2
Voltage value adjusts capacitor three-phase current and balance of voltage degree, is adjusted and protects to high-voltage capacitor；Improve capacitor
High pressure resistant impact and power of resisting voltaic impingement intensity；The capacitor that embodiment provides, high frequency characteristics small in size is good high-efficient, peace
It is complete reliable, it is compensated suitable for high-speed rail electric car railway, metal smelt system, national grid harmonic wave and reactive power and various by electricity
The power equipment that container is constituted.
The technical solution of above-described embodiment is described in further detail with reference to the accompanying drawing.
The controllable fuse type high voltage capacitor of the intelligence that the above embodiment of the present invention provides, can in order to improve capacitor
Control property and protectability improve the anti-breakdown performance of capacitor, in such a way that a kind of condenser current is adjusted and controls, than
Existing high-voltage capacitor technology improves high pressure resistant 2~more times of high pressure resistant and power of resisting voltaic impingement and intensity, improves by capacitor
The high pressure resistant anti-current impact strength for the power system device that device is constituted, improve power grid stability and safety and controllably
Property.
The above embodiment of the present invention is mentioned with solving the problems, such as uncontrollable, easy breakdown easily short circuit present in existing capacitor
The high high pressure resistant impact strength and security and stability of capacitor, is suitable for mains by harmonics and var compensator, height
High-power frequency conversion speed regulation device, high-capacity direct current high pressure electric storage device are pressed, the high pressure resistant anti-current for improving capacitor and equipment rushes
It hits ability, improve grid stability and safety and controllability.
As depicted in figs. 1 and 2, the input terminal of fuse 2 input terminal connection capacitor anode insulator 1, i.e. fuse
Upper connector 2-1-1, screw rod 1-2-1 on connecting insulator, 2 output end of fuse connect lower screw rod 1-2-2；Lower screw rod 1-2-2
Connect the positive 7-3 of high voltage capacitor core pieces.
The input terminal of fuse detection control apparatus 3 connects fuse 2, the connection of 3 output end of fuse detection control apparatus
Detection data to fuse 2 is transmitted to DSP intelligent controller 6 and is calculated and analyzed, by DSP by DSP intelligent controller 6
Intelligent controller 6 calculates the control instruction and parameter of fuse 2.Wherein control instruction and calculation method of parameters are by specifically answering
It is determined with project demand and power grid regulation.
Input terminal connection capacitor anode insulator 1, the output end connection capacitor of discharger 4 of the discharger 4 are negative
The output end connection DSP intelligently control of pole insulator, the input terminal connection discharger 4 of discharging detection device 5, discharging detection device 5
Device 6 processed to DSP controller 6 calculates the detection data of discharger 4 and analyzed with capacitor voltage at both ends data transmission.
Capacitance core anode 7-3 connection capacitor anode insulator 1, the insulation of capacitance core cathode 7-4 connection capacitor anode
Son；
Fusing display 8 connect DSP intelligent controller 6 with electric discharge display 9, and fuse 2 and discharger 4 are working properly
When, fusing display 8 and electric discharge display 9 show green, and when failure is displayed in red, and when condenser voltage and electric current are zero, melt
Disconnected display 8 extinguishes with electric discharge display 9.
As shown in Fig. 2, the capacitance core anode 7-3 that copper foil welding axis is formed on positive plate 7-1 draws shaft type, negative plate to be interior
The capacitance core cathode 7-4 that the upper copper foil welding axis of 7-2 is formed is to draw shaft type outside.Positive and negative pole plate uses the noninductive copper foil of high conductivity
10, the high dielectric of the strong insulation film 11 of high-molecule metal polypropylene high voltage is used between positive and negative pole plate.The electricity
Container core is vertically installed between the positive electrode and negative electrode for being arranged in parallel in capacitor, and upper row's negative plate copper foil axis plumb joint is under
Arrange the connection of positive plate copper foil axis plumb joint；Intercondenser core, i.e. the 2nd layer~N-1 layer capacitor core are specified using one times of layer
The high dielectric of voltage.Capacitor core first layer 7-1-1,7-1-2,7-1-3 dielectric and last layer capacitor core 7-N-1,7-
N-2,7-N-3 dielectric use 2~3 times of high dielectrics of layer, and it is high pressure resistant with power of resisting voltaic impingement 2~3 to improve capacitor
Times or more；
Each layer capacitance core is parallel-connection structure, and quantity in parallel is determined by required capacitance；Tandem junction is used between upper and lower level
Structure, concatenated layer number are determined by required voltage rating.In the present embodiment, oil immersed type can be used in capacitor casing 12,
Dry type can also be used；
Capacitance core anode 7-3 is that the interior shaft type copper foil that draws welds axis, and capacitance core cathode 7-4 is to draw the welding of shaft type plate copper foil outside
Axis.
As shown in Figure 3 and Figure 4, insulator assembly 1 includes: porcelain insulator 1-1, upper seal 1-1-1, lower seal 1-
1-2, upper screw rod 1-2-1, lower screw rod 1-2-2, upper hold-doun nut 1-2-3, lower hold-doun nut 1-2-4, detection device outer cover 1-3,
Insulator fixing seat 1-4；
Fuse bodies include: upper connector 2-1-1, lower connector 2-1-2, fuse part；
Upper connector 2-1-1 is structure as a whole with fuse part；Upper screw rod 1-2-1 screws in fuse upper connector 2-
The seal face of 1-1 internal screw thread and fuse part, screw rod 1-2-1 and 2 contact area of fuse part in increase；Fuse master
The screw rod of the lower connector 2-1-2 of body screws in lower screw rod 1-2-2 upper internal threaded seal face, increases fuse part and lower spiral shell
The contact area of bar 1-2-2 increases contact conductive current amount.
As shown in figure 5, the input terminal of the current-limiting resistance 2-3-1 and 2-3-2 of fuse member 2-2 by upper connector 2-1-1 with
Positive insulator screw rod is connected, the output end and high-power JFET field-effect tube 2- of current-limiting resistance 2-3-1 and 2-3-2
4-1 is connected with the input terminal of 2-4-2, the output end of JFET field-effect tube 2-4-1 and 2-4-2 and the lower company of fuse bodies
Fitting 2-1-2 connection, JFET field-effect tube control electrode 2-5-1 and 2-5-2 are connect with DSP intelligent controller 6, are intelligently controlled by DSP
Device 6 processed is adjusted and controls.
As shown in fig. 6, JFET field-effect tube 2-4-1 and 2-4-2 use N-channel type JFET field-effect tube, 2-5-1 and 2-
5-2 is JFET field-effect tube control electrode；It is N-channel type conductive channel in figure, when after control electrode P-type crystal adds control voltage
Resistance electric layer is generated, the resistance electric layer for controlling the higher generation of voltage is wider, and after controlling voltage height to certain value, N-channel conduction is logical
Road is blocked completely, makes JFET field-effect tube and fuse electric current zero；Current-limiting resistance number and JFET field-effect tube module
Number is determined by the magnitude of current of capacitor.Current-limiting resistance effect shunts the effect with protection JFET field-effect tube module, JFET
The effect of field-effect tube module is to control to adjust the effect of fuse electric current；
As shown in fig. 7, the positive and negative pole plate 7-1 and 7-2 of interlayer capacitance device cored structure use the noninductive copper foil of high conductivity
10, the capacitance core anode 7-3 that positive plate 7-1 copper foil welding axis is formed draw shaft type in being, negative plate 7-2 copper foil welding axis is formed
Capacitance core cathode 7-4 be to draw shaft type outside；High voltage dielectric is insulated by force thin using high-molecule metal polypropylene high voltage
Film 11；The dielectric of interlayer capacitance device cored structure setting uses 1 layer of voltage rating high voltage dielectric；
As shown in figure 8, the 1st layer uses 2~3 times of layer high voltage dielectrics with last layer dielectric；Positive plate copper in figure
The capacitance core anode 7-3 that foil axis is formed draws shaft type in being, the capacitance core cathode 7-4 that negative plate copper foil axis is formed is to draw shaft type outside,
Positive and negative pole plate uses the noninductive copper foil 10 of high conductivity, and insulating medium layer uses 2~3 layers of voltage rating high-molecule metalization poly- third
The strong insulation film 11-1 and 11-2 of alkene high voltage.
The capacitor that the above embodiment of the present invention provides, good, the high pressure resistant and shock resistance energy with electric current and voltage controllability
Power is strong, and runnability is stablized, and is applicable to all kinds of electric system such as national grid, metal smelt, electric car railway, convenient for assembling
Maintenance overcomes uncontrollable disadvantage and problem with easy breakdown etc. in existing capacitor technology, has following technical effect that
1, existing high-voltage capacitor inconvenience Detection & Controling are thoroughly solved the problems, such as, capacitor monitoring capacity is improved, are improved
Operation of power networks stability and safety.
2, when capacitor occur overcurrent or be more than prescribed limit, DSP intelligent controller control fuse carry out current limliting or
Current regulation；When non-equilibrium state occurs in three-phase current, by DSP intelligent controller control fuse progress three-phase balance
Degree is adjusted.Changing fuse current value can control the voltage value of capacitor, change simultaneously the three-phase voltage balance of capacitor
Degree；When exception or failure occur in power grid or high-voltage capacitor, DSP intelligent controller control fuse disconnects fuse, makes electricity
Container is detached from power grid, is reached with this and carries out protection operation to capacitor and power grid.
3, positive/negative plate uses the noninductive copper foil of high conductivity, increases substantially conductive flow rate, improves power of resisting voltaic impingement.
4, dielectric uses high-molecule metal polypropylene high-strength insulation film, greatly improves high pressure resistant and anti-over-voltage and rushes
Hit ability.
5, interlayer capacitance device cored structure uses 1 layer of voltage rating dielectric, first layer and last layer capacitor core structure
Using 2 times of layers or 3 times of strong insulation film high pressure resistant insulation media of layer high-molecule metal polypropylene high voltage, improve high pressure resistant
With anti-current breakdown capability is existing capacitor technology 2 times~3 times or more.
6, impact resistance voltage is high, and shock resistance electric current is big, and good heat dissipation is small in size, and the good storage of high frequency performance is high-efficient, high pressure resistant
It is strong with power of resisting voltaic impingement, improve the stability and safety of capacitor and power equipment.It is negative to be adapted to various impact types
Lotus, smelting iron and steel electric arc furnaces coreless induction furnace load, electrolytic etching of metal smelting system, high-speed rail electric car railway and national grid and all kinds of electricity
Power equipment, has broad application prospects and economic results in society.
The capacitor that the above embodiment of the present invention provides, revolutionizes existing high-voltage capacitor inconvenience measurement and control
Defect and problem easy to damage；Improve safety and the controllability of all kinds of power equipments being made of capacitor；This hair
Bright monitoring control performance is good, high pressure resistant resistance to overcurrent impact capacity is strong, and small in size, the performance good service life is long；Suitable for high-speed rail electric car iron
Road, metal smelt system, national grid harmonic wave and reactive power compensation etc. are by various power equipments.
Embodiment 2
It as shown in Figure 5 and Figure 6, is a kind of example structure figure of controllable fuse, the controllable fuse includes fusing
Control unit and fuse bodies；The fusing control unit includes: fuse member 2-2, current-limiting resistance and JFET effect
Answer tube module；Wherein: the input terminal of the fuse member 2-2 is connect with power equipment or power circuit, the fuse member 2-2's
The connection of the input terminal of output end and current-limiting resistance, the output end of the current-limiting resistance and the input terminal of JFET field-effect tube module
Connection, the output end of the JFET field-effect tube module are connect with power equipment or power circuit, the JFET field-effect pipe die
The control electrode of block is connect with peripheral control unit, the control by peripheral control unit to JFET field-effect tube module, adjusts fuse
Body current.
The fuse bodies include fuse part, upper connector 2-1-1 and lower connector 2-1-2；Wherein: described molten
The top and bottom of disconnected device component form integral structure with upper connector 2-1-1 and lower connector 2-1-2 respectively；The fusing
Control unit is set to inside fuse part, and the input terminal of the fuse member 2-2 is set by upper connector 2-1-1 with electric power
The connection of standby or power circuit, the output end of the JFET field-effect tube module pass through lower connector 2-1-2 and power equipment or electricity
Power connection.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of controllable fuse type high voltage capacitor of intelligence, comprising: capacitor anode insulator (1), capacitor anode are exhausted
Edge, fuse (2), fuse detection control apparatus (3), discharger (4), discharging detection device (5), DSP intelligent controller
(6) and high voltage capacitor core pieces；Wherein:
The capacitor anode insulator (1) is connected with the anode of high voltage capacitor core pieces, the high voltage capacitor
The cathode of core components is connected with capacitor anode insulator, and the capacitor anode insulator (1) and capacitor anode insulate
Interior discharger (4) are equipped between son, the discharging detection device (5) is connected with interior discharger (4), the discharging detection device
(5) it is connected with DSP intelligent controller (6)；
The fuse (2) respectively with capacitor anode insulator (1), fuse detection control apparatus (3) and DSP intelligent control
Device (6) connection, the fuse detection control apparatus (3) are connected with DSP intelligent controller (6)；
It is characterized by:
The fuse (2) includes fusing control unit and fuse bodies；The fusing control unit includes: fuse member (2-
2), current-limiting resistance and JFET field-effect tube module；Wherein:
The input terminal of the fuse member (2-2) is connected with capacitor anode insulator (1), the output end of fuse member (2-2) with
The input terminal of current-limiting resistance connects, and the output end of the current-limiting resistance is connect with the input terminal of JFET field-effect tube module, described
The output end of JFET field-effect tube module is connect with fuse bodies, the control electrode and DSP intelligence of the JFET field-effect tube module
It can control device (6) connection, the control by DSP intelligent controller (6) to JFET field-effect tube module adjusts fuse bodies electricity
Stream.
2. the controllable fuse type high voltage capacitor of intelligence according to claim 1, it is characterised in that: the fuse master
Body includes fuse part, upper connector (2-1-1) and lower connector (2-1-2)；The capacitor anode insulator (1) includes
Porcelain insulator (1-1), upper screw rod (1-2-1), lower screw rod (1-2-2), upper hold-doun nut (1-2-3), lower hold-doun nut (1-2-
4), upper seal (1-1-1), lower seal (1-1-2), upper gasket (1-3-3), lower seal pad (1-3-4), outside detection device
Cover (1-3) and insulator fixing seat (1-4)；
The fuse part is installed on the inside of porcelain insulator (1-1), the top and bottom of fuse part respectively with upper company
Fitting (2-1-1) and lower connector (2-1-2) form integral structure；The upper screw rod (1-2-1) screws in upper connector (2-1-1)
Interior spiral shell, the outer end of upper screw rod (1-2-1) is located at outside the upper end of porcelain insulator (1-1) and by upper hold-doun nut (1-2-
3) it fixes and compresses；The screw rod of the lower connector (2-1-2) screws in the internal screw thread on lower top screw rod (1-2-2), lower screw rod (1-
Outer end 2-2) is located at outside the lower end of porcelain insulator (1-1), and the insulator fixing seat (1-4) is installed on lower screw rod (1-
On outer end 2-2), and fixes and compress by lower hold-doun nut (1-2-4)；The detection device outer cover (1-3) is installed on
Between insulator fixing seat (1-4) and porcelain insulator (1-1), the fuse detection control apparatus (3) is installed on detection device
In outer cover (1-3)；Upper seal (1-1- is installed between the upper end and upper hold-doun nut (1-2-3) of the porcelain insulator (1-1)
1), gasket (1-3-3) is installed between the upper seal (1-1-1) and upper hold-doun nut (1-2-3)；The insulator is solid
Between reservation (1-4) and lower hold-doun nut (1-2-4) install lower seal (1-1-2), the lower seal (1-1-2) with it is lower solid
Determine that lower seal pad (1-3-4) is installed between nut (1-2-4)；
The fusing control unit of the fuse (2) is set to inside fuse part, the input terminal warp of the fuse member (2-2)
It crosses upper connector (2-1-1) to be connected with upper screw rod (1-2-1), the output end of JFET field-effect tube module and lower connector (2-
1-2) connect；
Fuse detection control apparatus (3) setting is external in capacitor anode insulator (1).
3. the controllable fuse type high voltage capacitor of intelligence according to claim 1, it is characterised in that: the high voltage electricity
Container core components include: capacitor core, high conductivity is noninductive copper foil and dielectric；Wherein:
The noninductive copper foil of high conductivity includes positive plate (7-1) and negative plate (7-2), positive plate (7-1) and negative plate (7-2)
Between be dielectric；The capacitor core is vertically installed between positive plate disposed in parallel (7-1) and negative plate (7-2),
Form capacitor core monomer；The positive plate (7-1) draws the noninductive copper foil welding axis formation capacitor core monomer of shaft type in using
Capacitance core anode (7-3), the negative plate (7-2) form the electricity of capacitor core monomer using the noninductive copper foil welding axis of shaft type is drawn outside
Hold core cathode (7-4)；
The capacitor core monomer of multiple parallel connections forms a layer capacitor cored structure, and the capacitance core in upper layer capacitor cored structure is negative
It is connect between pole (7-4) and the capacitance core positive (7-3) in next layer capacitor cored structure by connector；
Multi-layer capacitor cored structure connects to be formed capacitor core component (7), the capacitor core list on each layer capacitor cored structure
Body is provided at least one layer of specified dielectric, and the insulation of capacitor core monomer setting is situated between on the layer capacitor cored structure of middle part
The dielectric number of plies of the matter number of plies less than capacitor core monomer setting on first layer and the last layer capacitor core structure.
4. the controllable fuse type high voltage capacitor of intelligence according to claim 3, it is characterised in that: further include following appoint
Meaning one or any multinomial feature:
The dielectric uses high-molecule metal polypropylene insulating film (11)；
Capacitor core amount of monomer in parallel is determined by required capacitance with electric current in each layer capacitor cored structure；Capacitor
Concatenated capacitor core structure sheaf quantity is determined by required voltage rating in device core assembly (7)；
The multi-layer capacitor cored structure is N layer capacitor cored structure, the electricity on the 1st layer of N layer capacitor cored structure and n-th layer
The dielectric of container core monomer setting uses 2 times of layers or 3 times of layers, the electricity on the 2nd layer~N-1 layer of N layer capacitor cored structure
The dielectric of container core monomer setting uses 1 times of layer, and wherein N is natural number.
5. the controllable fuse type high voltage capacitor of intelligence according to any one of claim 1 to 4, it is characterised in that:
It further include fusing display (8) and electric discharge display (9)；Wherein:
The fusing display (8) and electric discharge display (9) are connected with DSP intelligent controller (6) respectively.
6. the controllable fuse type high voltage capacitor of intelligence according to claim 5, it is characterised in that: further include following appoint
Meaning one or any multinomial feature:
When capacitor or fuse (2) break down, DSP intelligent controller (6) controls the shutdown of JFET field-effect tube module,
Capacitor is set to be detached from circuit, fusing display (8) issues alarm signal；
When capacitor failure or when JFET field-effect tube module is out of control, fuse electric current reaches protection fusing value, then fuses
Part (2-2) disconnects, and signal is sent to DSP intelligent controller (6) by fuse detection control apparatus (3), carries out to power grid and circuit
Protection operation, fusing display (8) issue alarm signal；
When condenser voltage changes and is more than prescribed limit, DSP intelligent controller (6) controls discharger (4) to capacitor
Device voltage is discharged with reserve of electricity, is adjusted and is controlled to capacitor voltage at both ends；When capacitor powers off, DSP is intelligently controlled
Device (6) processed control discharger (4) discharges to capacitor, make condenser voltage drop at the appointed time setting voltage with
Under, discharge 9 display working condition of display；
When three-phase current or Voltage unbalance occurs in capacitor, DSP intelligent controller (6) is according to fuse detection device (3)
With discharging detection device (5) capacitor three-phase current detected or Voltage unbalance measurement and data, JFET field-effect is controlled
Tube module is adjusted and controls to the three-phase charging current of capacitor, is reached with this and adjusts three-phase current or balance of voltage degree.
7. the controllable fuse type high voltage capacitor of intelligence according to claim 6, it is characterised in that: the stipulated time
It is 5~10 minutes, sets voltage as 30V.
8. the controllable fuse type high voltage capacitor of intelligence according to claim 5, it is characterised in that: further include capacitor
Shell (12), the discharger (4), discharging detection device (5) and high voltage capacitor core pieces are respectively arranged at capacitor protector
(12) in；
Oil immersed type structure or dry construction are used in the capacitor protector (12).
9. a kind of controllable fuse, which is characterized in that including fusing control unit and fuse bodies；The fusing control unit
It include: fuse member (2-2), current-limiting resistance and JFET field-effect tube module；Wherein:
The input terminal of the fuse member (2-2) is connect with power equipment or power circuit, the output end of the fuse member (2-2) with
The input terminal of current-limiting resistance connects, and the output end of the current-limiting resistance is connect with the input terminal of JFET field-effect tube module, described
The output end of JFET field-effect tube module is connect with power equipment or power circuit, the control electrode of the JFET field-effect tube module
It is connect with peripheral control unit, the control by peripheral control unit to JFET field-effect tube module, adjusts fuse bodies electric current.
10. controllable fuse according to claim 9, which is characterized in that the fuse bodies include: fuse portion
Part, upper connector (2-1-1) and lower connector (2-1-2)；Wherein:
The top and bottom of the fuse part form one with upper connector (2-1-1) and lower connector (2-1-2) respectively
Structure；The fusing control unit is set to inside fuse part, and the input terminal of the fuse member (2-2) passes through upper connector
(2-1-1) is connect with power equipment or power circuit, and the output end of the JFET field-effect tube module passes through lower connector (2-1-
2) it is connect with power equipment or power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304181.1A CN109461584B (en) | 2018-11-03 | 2018-11-03 | Intelligent controllable fuse type high-voltage-resistant capacitor and controllable fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304181.1A CN109461584B (en) | 2018-11-03 | 2018-11-03 | Intelligent controllable fuse type high-voltage-resistant capacitor and controllable fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109461584A true CN109461584A (en) | 2019-03-12 |
| CN109461584B CN109461584B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811304181.1A Active CN109461584B (en) | 2018-11-03 | 2018-11-03 | Intelligent controllable fuse type high-voltage-resistant capacitor and controllable fuse |
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| CN (1) | CN109461584B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508795A (en) * | 2020-04-23 | 2020-08-07 | 南京萨特科技发展有限公司 | Adjustable fuse, fuse assembly and control method |
| CN111899977A (en) * | 2020-07-28 | 2020-11-06 | 戴辉 | Capacitor capable of quickly cutting off power |
| CN112289655A (en) * | 2020-11-24 | 2021-01-29 | 绍兴市科业电器有限公司 | Fuse protector |
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| JP2006278875A (en) * | 2005-03-30 | 2006-10-12 | Sanyo Electric Co Ltd | Solid electrolytic capacitor |
| CN103999310A (en) * | 2011-12-19 | 2014-08-20 | 赫斯基注塑系统有限公司 | System for disconnecting electrical power upon regulation failure |
| CN108615607A (en) * | 2018-04-04 | 2018-10-02 | 上海广吉电气有限公司 | Insulator fuse type high voltage capacitor |
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2018
- 2018-11-03 CN CN201811304181.1A patent/CN109461584B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006278875A (en) * | 2005-03-30 | 2006-10-12 | Sanyo Electric Co Ltd | Solid electrolytic capacitor |
| CN103999310A (en) * | 2011-12-19 | 2014-08-20 | 赫斯基注塑系统有限公司 | System for disconnecting electrical power upon regulation failure |
| CN108615607A (en) * | 2018-04-04 | 2018-10-02 | 上海广吉电气有限公司 | Insulator fuse type high voltage capacitor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508795A (en) * | 2020-04-23 | 2020-08-07 | 南京萨特科技发展有限公司 | Adjustable fuse, fuse assembly and control method |
| CN111899977A (en) * | 2020-07-28 | 2020-11-06 | 戴辉 | Capacitor capable of quickly cutting off power |
| CN112289655A (en) * | 2020-11-24 | 2021-01-29 | 绍兴市科业电器有限公司 | Fuse protector |
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| Publication number | Publication date |
|---|---|
| CN109461584B (en) | 2022-03-22 |
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