CN208386146U - Major-minor combined type blowout coil set apparatus - Google Patents
Major-minor combined type blowout coil set apparatus Download PDFInfo
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- CN208386146U CN208386146U CN201820814647.1U CN201820814647U CN208386146U CN 208386146 U CN208386146 U CN 208386146U CN 201820814647 U CN201820814647 U CN 201820814647U CN 208386146 U CN208386146 U CN 208386146U
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Abstract
The utility model discloses a kind of major-minor combined type blowout coil set apparatus, including magnetic biasing type arc-extinction device and turn-adjusting arc-extinction device, the magnetic biasing type arc-extinction device includes arc-suppression coil with magnetic bias and control flow, the turn-adjusting arc-extinction device includes turn-adjusting arc-extinguishing winding and shifting switch and gear shift controller, the arc-suppression coil with magnetic bias and the turn-adjusting arc-extinguishing winding are arranged in parallel, and the control flow is controllably connect with the gear shift controller communication.The utility model provides a kind of major-minor combined type blowout coil set apparatus, turn-adjusting arc-extinguishing winding and arc-suppression coil with magnetic bias are organically formed a whole together with corresponding control system, wherein arc-suppression coil with magnetic bias is as host, for turn-adjusting arc-extinguishing winding as subsidiary engine, control mode is that arc-suppression coil with magnetic bias controls turn-adjusting arc-extinguishing winding.
Description
Technical field
The utility model belongs to arc suppression coil technical field, and in particular to a kind of major-minor combined type arc suppression coil is at suit
It sets.
Background technique
Domestic arc suppression coil is broadly divided into two major classes at present: post-set arc suppression coils and preset arc suppression coil.With tune
The Typical Representative of formula arc suppression coil is arc-suppression coil with magnetic bias；The Typical Representative of preset arc suppression coil is turn-adjusting arc blowout wire
Circle.
The mode adjusting inductance of arc-suppression coil with magnetic bias being technically characterized by comprising the steps as follows: by DC excitation, not any machinery
Moving component, adjustment speed is fast, long service life；And can be continuous electrodeless adjustable with high voltage adjusting, without grade spill current,
Keep the compensation of arc suppression coil more accurate.
The disadvantage is that: the linearity of volt-ampere curve is poor, and cost is high, and harmonic content is bigger than turn-adjusting arc-extinguishing winding, and
It is influenced by the linearity, cost, volume, manufacture large capacity (compensation electric current is more than 100A) arc suppression coil is more difficult.
Turn-adjusting arc-extinguishing winding is technically characterized by comprising the steps as follows: that structure is simple, and the linearity is good, harmonic wave is not generated, using tap switch
Gear is controlled, control circuit is simple and reliable, and has damping resistance, can effectively inhibit resonance.
The disadvantage is that: there are mechanical moving elements, and adjustment speed is slow, and noise is big, and service life is than arc-suppression coil with magnetic bias
It is low, due to controlling gear shift with tap switch, there is a grade spill current, influence arc suppression coil compensation effect to a certain extent.
Chinese patent CN 1793996A discloses one kind used in 3-66kV neutral by arc extinction coil grounding power grid
Automatic tuning arc depression coil and route selection complexes.This arc suppression coil uses primary and secondary structure, and main arc suppression coil is in system
It is presetting when normal operation to be formed in 15% mode of overcompensation from arc suppression coil by four reactors, four reactors without power capacity
Amount is allocated in the ratio of 1:2:4:8.Every reactor access system in parallel with a vacuum high-pressure contactor, in this way may be used
To carry out switching control to reactor.16 kinds of combinations are shared from arc suppression coil, are capable of forming the equally distributed electricity of 16 gears
Anti- device capacity.
Although above-mentioned patent proposes the design concept of combination, its series design proposed is actually that one kind disappears
Turn-adjusting arc-extinguishing winding, although and it is so-called auxiliary reactor press 1:2:4:8 pro rate, there are still biggish differential
Electric current, it is limited for different system suitabilities；This leans on high voltage connector to carry out switching entirely for its four reactors, speed compared with
Slowly, and switching moment can generate overvoltage, and safety causes anxiety.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and it is complete to provide a kind of major-minor combined type arc suppression coil
The advantages of device, that is, it is good to maintain the turn-adjusting arc-extinguishing winding linearity, does not generate harmonic wave, and have both arc-suppression coil with magnetic bias adjusting
Speed is fast.
The utility model is achieved through the following technical solutions:
A kind of major-minor combined type blowout coil set apparatus, including magnetic biasing type arc-extinction device and turn-adjusting arc-extinction device, institute
The magnetic biasing type arc-extinction device stated includes arc-suppression coil with magnetic bias and control flow, and the turn-adjusting arc-extinction device includes that turn-adjusting disappears
Arc coil and shifting switch and gear shift controller, the arc-suppression coil with magnetic bias and the turn-adjusting arc-extinguishing winding parallel connection are set
It sets, the control flow is controllably connect with the gear shift controller communication.
In the above-mentioned technical solutions, the control flow is main control, and the gear shift controller is from control, and the two is logical
It crosses RS485 communication interface and carries out data transmitting.
It in the above-mentioned technical solutions, further include the voltage transformer to provide the grounding transformer of neutral point, and to
Measure the current transformer of loop compensation electric current.
It in the above-mentioned technical solutions, further include humorous with the voltage transformer and current transformer communication connection respectively
Vibration state recognition module.
It in the above-mentioned technical solutions, further include protection shell comprising three successively adjacent shell, the ground connection become
Depressor is arranged in the shell on the most left side, and turn-adjusting arc-extinguishing winding and arc-suppression coil with magnetic bias are arranged in rightmost shell；Every
Leave pass and and operating mechanism be located at the position that intermediate case is kept right.
In the above-mentioned technical solutions, current transformer and voltage transformer are arranged on the girder steel of right side interior of shell,
Zinc oxide surge arresters on the beam of grounding transformer, on right side, the upper right corner of shell is provided with secondary terminals seed cell, pacifies in secondary terminals room
Equipped with air switch, connecting terminal block and temperature controller.
In the above-mentioned technical solutions, further include two Fans being arranged in the shell of right side, be mounted on the rail of base angle
And claim diagonal setting.
In the above-mentioned technical solutions, the shell is that can individually dismantle design, is respectively arranged on the shell
Glass window.
In the above-mentioned technical solutions, the material of shell is steel plate and the heat dissipation for being provided with a large amount of oblongs above and below
Hole.
In the above-mentioned technical solutions, the size of turn-adjusting arc-extinguishing winding and arc-suppression coil with magnetic bias proportion is 1:1 or 2:1.
It the advantages of the utility model and has the beneficial effect that
The utility model provides a kind of major-minor combined type blowout coil set apparatus, turn-adjusting arc-extinguishing winding and magnetic biasing type
Arc suppression coil organically forms a whole together with corresponding control system, and wherein arc-suppression coil with magnetic bias adjusts circle as host
For formula arc suppression coil as subsidiary engine, control mode is that arc-suppression coil with magnetic bias controls turn-adjusting arc-extinguishing winding.Whole system is kept
The advantages of turn-adjusting arc-extinguishing winding linearity is good, does not generate harmonic wave, but it is fast to have both arc-suppression coil with magnetic bias adjustment speed, it can band
High voltage adjusting compensates accurate advantage；And by reasonable integrated control system and software controlling strategies are improved, and effective
Avoid respective disadvantage.
Detailed description of the invention
Fig. 1 is the elementary diagram of the utility model main and auxiliary type blowout coil set apparatus system；
Fig. 2 is the utility model main and auxiliary type blowout coil set apparatus general assembly drawing-front view；
Fig. 3 is the utility model main and auxiliary type blowout coil set apparatus general assembly drawing-top view；
Fig. 4 main and auxiliary type blowout coil set apparatus combination sideboard outline drawing.
Wherein:
1, travel switch；2, grounding transformer；3, arrester；4, insulator；5, assist reactor；6, disconnecting switch；7,
Current transformer；8, voltage transformer；9, secondary terminals seed cell；10, arc suppression coil；11, blower.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached
Figure obtains other relevant drawings.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, combined with specific embodiments below into one
Step illustrates the technical solution of the utility model.
Embodiment one
The major-minor combined type blowout coil set apparatus of the utility model, including magnetic biasing type arc-extinction device LP1 and turn-adjusting
Arc-extinction device LP2, the magnetic biasing type arc-extinction device include arc-suppression coil with magnetic bias and control flow, the turn-adjusting extinguishing arc dress
It sets including turn-adjusting arc-extinguishing winding and shifting switch and gear shift controller, the arc-suppression coil with magnetic bias and the turn-adjusting
Arc suppression coil is arranged in parallel, and the control flow is controllably connect with the gear shift controller communication.Turn-adjusting arc-extinguishing winding and
The size proportion of arc-suppression coil with magnetic bias is 1:1 or 2:1.It is set it is of course also possible to carry out practical any proportion according to the actual situation
It sets.
The arc suppression coil of two kinds of different principles is used cooperatively by the utility model, is had both arc-suppression coil with magnetic bias and is adjusted spirit
Living, speed is fast, the feature of service life length；There are also turn-adjusting arc-extinguishing winding structure is simple, the linearity is good, feature at low cost；Collection takes
The strong point of two kinds of arc suppression coils avoids the weakness of two kinds of arc suppression coils as far as possible.Purpose in parallel is primarily to measuring system is electric
The needs of capacitance current and compensation, by the compensation range used in parallel that can expand arc suppression coil, and control mode is cleverer
It is living, the attachmentes such as damping resistance and high voltage connector are not needed, usually whole system is run far from resonance point, and tuning-off degree is greater than 30%
More than, when singlephase earth fault occurs for power grid, moment is compensated in place, to realize the optimal compensation.
Compared with CN 1793996A, the arc-suppression coil with magnetic bias of the utility model can be eager to excel with electrodeless adjustment, adaptability
It is more, and can be with high voltage adjusting, using SCR control, adjustment speed is fast, due to being that smooth adjustment will not generate overvoltage.
And the main purpose of series system is to cooperate with small current line selection system, emphasis is route selection rather than measurement and benefit
It repays；The arc suppression coil for two kinds of different principles that the utility model uses its emphasis in parallel is to measure and compensate.
Specifically, the control flow is main control, and the gear shift controller is from control, and the two is logical by RS485
Believe that interface carries out data transmitting.Mode is that arc-suppression coil with magnetic bias controls turn-adjusting arc-extinguishing winding.Automatic control is used in software
Algorithm processed, no matter how the capacitance current of system changes, and arc-suppression coil with magnetic bias can control turn-adjusting arc-extinguishing winding gear
It is adjusted to optimum position, and has been additionally contemplates that some extreme cases in software, once gear shift fails, alarm signal can be provided automatically
Breath.
Embodiment two
The utility model further includes the voltage transformer 8 to provide the grounding transformer 2 of neutral point, and to measure
The current transformer 7 of loop compensation electric current.Wherein the effect of grounding transformer is to provide a neutral point, arc-suppression coil with magnetic bias
It is connected in parallel, is connected between neutral point and the earth with turn-adjusting arc-extinguishing winding, voltage transformer and arrester are connected in parallel on neutrality
Between point and the earth, current transformer and arc suppression coil series connection, to measure the compensation electric current in circuit
It further, further include knowing respectively with the resonant state of the voltage transformer and current transformer communication connection
Other module.Joined resonant state identification module the utility model also has the function of inhibiting resonance, in software controlling strategies,
Once device identifies that system is in series resonance state, then starts immediately through the control to two arc suppression coils, realize certainly
Dynamic to take off humorous function, the safe operation of power grid is protected in the effective generation for inhibiting resonance to the full extent.
Embodiment three
The utility model further include in protection shell major-minor combined type blowout coil set apparatus include three successively phases
Adjacent shell, the grounding transformer are arranged in the shell on the most left side, and auxiliary reactor 5 is arranged in the shell at middle part,
The arc suppression coil 10 that turn-adjusting arc-extinguishing winding and arc-suppression coil with magnetic bias are constituted is arranged in rightmost shell；6 He of disconnecting switch
And operating mechanism is located at the position that intermediate case is kept right.
Wherein, current transformer and voltage transformer are arranged on the girder steel of right side interior of shell, in grounding transformer
Zinc oxide surge arresters 3 on beam, on right side, the upper right corner of shell is provided with a secondary terminals seed cell 9, and secondary terminals indoor location has air
Switch, connecting terminal block and temperature controller.
Further, further include two Fans 11 being arranged in the shell of right side, be mounted on arc-suppression coil with magnetic bias
On the rail of base angle and claim diagonal setting.
Space is utilized in above-mentioned layout to greatest extent, reduces the size of unit equipment entirety；And realize high electricity
The separation of pressure and low-voltage, grounding transformer side are high pressure, and arc suppression coil side is low pressure, ensure that personal safety.Secondary terminals
The design of room all includes main devices needed for two second part and terminal block, facilitates construction personnel and carries out wiring, together
When also facilitate commissioning staff to carry out field adjustable and the line inspection, so that installation and maintenance is become simpler and safe.
Further, the shell is that can individually dismantle design, while travel switch 1 is respectively set inside the shell to mention
High security is respectively set insulator 4 in the inner wall two sides of shell to improve insulating properties and connectivity, divides on the shell
It is not provided with glass window, the material of shell is steel plate and the heat release hole for being provided with a large amount of oblongs above and below.
The spatially relative terms such as "upper", "lower", "left", "right" have been used in embodiment for ease of explanation, have been used for
Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure
Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper".
Therefore, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or position
In other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.
Illustrative description has been done to the utility model above, it should explanation, in the core for not departing from the utility model
In the case where the heart, it is any it is simple deformation, modification or other skilled in the art can not spend creative work etc.
The protection scope of the utility model is each fallen with replacement.
Claims (10)
1. a kind of major-minor combined type blowout coil set apparatus, it is characterised in that: disappear including magnetic biasing type arc-extinction device and turn-adjusting
Arc device, the magnetic biasing type arc-extinction device include arc-suppression coil with magnetic bias and control flow, the turn-adjusting arc-extinction device packet
Include turn-adjusting arc-extinguishing winding and shifting switch and gear shift controller, the arc-suppression coil with magnetic bias and the turn-adjusting extinguishing arc
Coils from parallel connection of coils setting, the control flow are controllably connect with the gear shift controller communication.
2. a kind of major-minor combined type blowout coil set apparatus according to claim 1, it is characterised in that: the control
Screen is main control, and the gear shift controller is from control, and the two carries out data transmitting by RS485 communication interface.
3. a kind of major-minor combined type blowout coil set apparatus according to claim 2, it is characterised in that: further include to
The grounding transformer of neutral point, voltage transformer, and the current transformer to measure loop compensation electric current are provided.
4. a kind of major-minor combined type blowout coil set apparatus according to claim 3, it is characterised in that: further include difference
With the resonant state identification module of the voltage transformer and current transformer communication connection.
5. a kind of major-minor combined type blowout coil set apparatus according to claim 4, it is characterised in that: further include protection
Shell comprising three successively adjacent shell, the grounding transformer be arranged in the shell on the most left side, turn-adjusting extinguishing arc
Coil and arc-suppression coil with magnetic bias are arranged in rightmost shell；Disconnecting switch and and operating mechanism be located at what intermediate case was kept right
Position.
6. a kind of major-minor combined type blowout coil set apparatus according to claim 5, it is characterised in that: current transformer
It is arranged on the girder steel of right side interior of shell with voltage transformer, the zinc oxide surge arresters on the beam of grounding transformer, outside right side
The upper right corner of shell is provided with secondary terminals seed cell, secondary terminals indoor location having air switch, connecting terminal block and temperature controller.
7. a kind of major-minor combined type blowout coil set apparatus according to claim 5, it is characterised in that: further include setting
Two Fans in the shell of right side are mounted on the rail of base angle and claim diagonally to be arranged.
8. a kind of major-minor combined type blowout coil set apparatus according to claim 5, it is characterised in that: the shell
Can individually to dismantle design, glass window is respectively arranged on the shell.
9. a kind of major-minor combined type blowout coil set apparatus according to claim 5, it is characterised in that: the material of shell
It is provided with the heat release hole of a large amount of oblongs for steel plate and above and below.
10. a kind of major-minor combined type blowout coil set apparatus according to claim 5, it is characterised in that: turn-adjusting disappears
The size of arc coil and arc-suppression coil with magnetic bias proportion is 1:1 or 2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814647.1U CN208386146U (en) | 2018-05-29 | 2018-05-29 | Major-minor combined type blowout coil set apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814647.1U CN208386146U (en) | 2018-05-29 | 2018-05-29 | Major-minor combined type blowout coil set apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208386146U true CN208386146U (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820814647.1U Active CN208386146U (en) | 2018-05-29 | 2018-05-29 | Major-minor combined type blowout coil set apparatus |
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| CN (1) | CN208386146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067318A (en) * | 2021-04-01 | 2021-07-02 | 河北旭辉电气股份有限公司 | Pre-adjusting phase-control arc extinction control method |
-
2018
- 2018-05-29 CN CN201820814647.1U patent/CN208386146U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067318A (en) * | 2021-04-01 | 2021-07-02 | 河北旭辉电气股份有限公司 | Pre-adjusting phase-control arc extinction control method |
| CN113067318B (en) * | 2021-04-01 | 2022-05-31 | 河北旭辉电气股份有限公司 | Pre-adjusting phase-control arc extinction control method |
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