CN103236337B - The hollow test reactor of multistage continuously adjustabe for low voltage crossing testing apparatus - Google Patents
The hollow test reactor of multistage continuously adjustabe for low voltage crossing testing apparatus Download PDFInfo
- Publication number
- CN103236337B CN103236337B CN201310148600.8A CN201310148600A CN103236337B CN 103236337 B CN103236337 B CN 103236337B CN 201310148600 A CN201310148600 A CN 201310148600A CN 103236337 B CN103236337 B CN 103236337B
- Authority
- CN
- China
- Prior art keywords
- coil
- out wire
- lead
- end plate
- low pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention provides the hollow test reactor of a kind of multistage continuously adjustabe for low voltage crossing testing apparatus, it comprises: multiple coil, for the compensation of reactive power, described in each, coil is air core coil, and the two ends of coil described in each are respectively high-voltage leading-out wire and low pressure lead-out wire; End plate, for supporting described coil, described coil is fixed on described end plate; Lead-out wire connection control device, is connected with low pressure lead-out wire with the high-voltage leading-out wire of each of described multiple coil, combines, to realize the multistage continuously adjustabe of reactance value for the string that controls between described multiple coil.The advantages such as the present invention can realize multiple advantage, and large, the various ratio of such as adjustable extent regulates continuously, precision is high, easy to operate, and lightweight, the advantages such as simple, transportation safety are installed.
Description
Technical field
The present invention relates to reactor technical field, one is particularly used for low voltage crossing (Lowvoltageridethrough, abbreviation: LVRT) the hollow test reactor of the multistage continuously adjustabe of testing apparatus.
Background technology
Because traditional energy pollution is comparatively large, allowable exploitation is fewer and feweri and the enhancing of people's environmental consciousness, the proportion of generation of electricity by new energy in energy resource structure is increasing, and grid-connected power generation system can not be ignored the impact of electrical network.Especially for the extensive mode concentrating access, when the grid-connected point voltage of grid collapses falls, once the automatic off-grid of new forms of energy may cause the collapse of line voltage and frequency, have a strong impact on the safe and stable operation of electrical network.For improving the detectability that new forms of energy unit is incorporated into the power networks, industry have developed low voltage crossing testing apparatus.
Low voltage crossing testing apparatus is the equipment whether test new forms of energy unit has low voltage ride-through capability.Low voltage crossing refers to: when the grid-connected point voltage of wind-driven generator falls, blower fan can keep low voltage crossing grid-connected, even provides certain reactive power to electrical network, supports power system restoration, until power system restoration is normal, thus " passing through " this low-voltage time (region).At present, the hollow test reactor that low voltage crossing testing apparatus uses is generally the resin filled type coil of band tap, and its shortcoming is: one, heat-sinking capability is poor, and for frequent operation, coil temperature raises very fast; Two, the multiple tap of coil strap, coil is after casting complete, even if part reactance value has deviation also non-adjustable, namely needs to propose requirements at the higher level to meet the required precision of reactance value to the production of coil and technique; Three, the capacity along with new forms of energy unit is increasing, adopts the coil weight of poured with epoxy resin also increasing, and it all proposes requirements at the higher level to the installation of portable low voltage crossing testing apparatus and transport.
Summary of the invention
The object of the present invention is to provide the hollow test reactor of a kind of multistage continuously adjustabe for low voltage crossing testing apparatus, have deviation also nonadjustable problem to solve prior art hollow test reactor.
In order to solve the problem, the invention provides the hollow test reactor of a kind of multistage continuously adjustabe for low voltage crossing testing apparatus, it comprises: multiple coil, for the compensation of reactive power, described in each, coil is air core coil, and the two ends of coil described in each are respectively high-voltage leading-out wire and low pressure lead-out wire; End plate, for supporting described coil, described coil is fixed on described end plate; Lead-out wire connection control device, is connected with low pressure lead-out wire with the high-voltage leading-out wire of each of described multiple coil, combines, to realize the multistage continuously adjustabe of reactance value for the string that controls between described multiple coil.
According to a kind of preferred implementation of above-mentioned reactor, wherein, also comprise fixed support; The rectangular platy structure of described end plate, described fixed support is provided with a wire groove, and the edge of described end plate is fixed in described wire groove.
According to a kind of preferred implementation of above-mentioned reactor, wherein, the quantity of described coil is inversely proportional to the ratio regulated continuously, and the reactance value of each described coil is proportional to required maximum reactance value.
According to a kind of preferred implementation of above-mentioned reactor, wherein, also comprise multiple binding post, each binding post be connected to described coil high-voltage leading-out wire or between low pressure lead-out wire and described lead-out wire connection control device.
According to a kind of preferred implementation of above-mentioned reactor, wherein, described lead-out wire connection control device comprises: operating platform, and it comprises multiple contact, and each of described multiple contact connects one to one with the high-voltage leading-out wire of each described coil or low pressure lead-out wire respectively; Multiple fixing line, for connecting contact corresponding to different coil, forming different strings to make described multiple coil and combining.
According to a kind of preferred implementation of above-mentioned reactor, wherein, described lead-out wire connection control device is the controller with control circuit and multiple contact, each of described multiple contact connects one to one with the high-voltage leading-out wire of each described coil or low pressure lead-out wire respectively, conducting between the described multiple contact of described control circuit control or shutoff, thus make described multiple coil form different strings and combine.
According to a kind of preferred implementation of above-mentioned reactor, wherein, described coil comprises winding, pad, end circle, screw rod and is located at high-voltage leading-out wire and the low pressure lead-out wire at described winding two ends; Described pad is located between adjacent two circles of described winding; Described end circle is fixed on the two ends of described winding; Described winding, pad, end circle through described end circle, pad and end plate, and are fixed on described end plate by described screw rod.
According to a kind of preferred implementation of above-mentioned reactor, wherein, described winding is flat type copper wire or flat type aluminium wire.
According to a kind of preferred implementation of above-mentioned reactor, wherein, described end plate is epoxy plate, epoxy resin board.
According to a kind of preferred implementation of above-mentioned reactor, wherein, described fixed support is elongated, and described support bracket fastened cross section is F shape.
Owing to the present invention includes multiple coil, and arbitrary series and parallel combination can be carried out as required between multiple coil, therefore, the present invention has plurality of advantages, such as: the variation of reactance value adjustable extent ratio that is large, that regulate continuously, precision are high, easy to operate, and lightweight, simple, transportation safety etc. is installed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of the present invention one;
Fig. 2 is the structural representation of the coil of the preferred embodiment of the present invention one;
Fig. 3 is the structural representation of the end plate of the preferred embodiment of the present invention one;
Fig. 4 is the structural representation of the binding post of the preferred embodiment of the present invention one;
Fig. 5 is the structural representation of the lead-out wire connection control device of the preferred embodiment of the present invention one;
Fig. 6 is the support bracket fastened structural representation of the preferred embodiment of the present invention one;
Fig. 7 is the structural representation of the preferred embodiment of the present invention two.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, the preferred embodiment of the present invention one mainly includes, but are not limited to 6 coils, 1,4 pieces of end plates, 2,1 lead-out wire connection control device 4.Certainly, the quantity of each critical piece is not limited thereto, and can regulate according to required maximum impedance value and adjustment ratio, mounting means etc.
Wherein, coil 1 is multiple (n >=1) disc coil, for generation of magnetic field to carry out the compensation of reactive power.The lead-out wire at coil 1 two ends is respectively high-voltage leading-out wire 15 and low pressure lead-out wire 16.Specifically, the quantity of coil is relevant to the ratio regulated continuously, the reactance value of single coil 1 is then arranged according to both ratios of required maximum reactance value and adjustment continuously, preferably, the quantity of coil 1 is inversely proportional to the ratio regulated continuously, and the reactance value of single coil 1 is proportional to required maximum reactance value.Such as, when a certain frequency, if the reactance value of each coil 1 is 2K Ω, required maximum induction reactance is 12K Ω, then, as shown in this preferred embodiment one, arrange 6 coils 1.During application, by carrying out different connection in series-parallel combination between 6 each coils 1, can realize 0,1/3(be all in parallel) ... 4 ... the output induction reactance of the numerical value such as 12K Ω (all connecting).It can thus be appreciated that this preferred embodiment one can carry out the continuous adjustment of multiple ratio in 0 ~ 100% scope of required maximum reactance value.
End plate 2 is insulation board, for support, fixed coil 1.As shown in Figure 1, the two ends of each coil 1 arrange an end plate 2 respectively, and whereby, a coil 1 is clipped in wherein by two end plates 2.
The effect of lead-out wire connection control device 4 is to be connected with the high-voltage leading-out wire 15 of each coil 1 and low pressure lead-out wire 16, thus the string controlled between different coil 1 combining, realize the multistage continuously adjustabe of reactance value.
Preferably, in this preferred embodiment one, as shown in Figure 1 and Figure 5, lead-out wire connection control device 4 comprises operating platform 41 and multiple fixing line 42.Operating platform 41 is in platy structure, and it comprises multiple contact, every two contacts are one group, often organizes contact and connects one to one with one group of high-voltage leading-out wire 15 of a coil 1 and low pressure lead-out wire 16 respectively.Such as, this preferred embodiment one comprises six coils 1, operating platform 41 comprises six groups of contacts, and two contacts of first group of contact A are connected to high-voltage leading-out wire 15 and the low pressure lead-out wire 16 of first coil (sequence number of coil can be specified according to actual needs); Two contacts of second group of contact B are connected to high-voltage leading-out wire 15 and the low pressure lead-out wire 16 of second coil; Two contact C of the 3rd group of contact are connected to high-voltage leading-out wire 15 and the low pressure lead-out wire 16 of the 3rd coil; Two end points of the 4th group of contact D are connected to high-voltage leading-out wire 15 and the low pressure lead-out wire 16 of the 4th coil; Two contacts of the 5th group of contact E are connected to high-voltage leading-out wire 15 and the low pressure lead-out wire 16 of the 5th coil; Two contacts of the 6th group of contact F are connected to high-voltage leading-out wire 15 and the low pressure lead-out wire 16 of the 6th coil.Fixing line 42, for connecting different contacts, forms different strings to make multiple coil and combines.Such as, in Figure 5, fixing line 42 is by connecting terminal (first group of contact A, second group of contact B and the 6th group contact F), series connection first coil, second coil and the 6th coil can be realized, when suitable choose each coil reactance value, various ratio can be realized and regulate continuously.
In other embodiments, lead-out wire connection control device can also for having the controller of control circuit and multiple contact, such as switch cubicle, multiple contact is connected one to one with the high-voltage leading-out wire 15 of each coil 1 and low pressure lead-out wire 16 respectively, control circuit and multiple contact are connected make to realize conducting or shutoff between different contacts, thus realize multiple coil 1 and form different strings and combine, the automatic control of coil combination can be realized like this.Lead-out wire connection control device 4 shown in Fig. 5 is Non-follow control, in contrast, and, safety more simple, efficient with the operation of the lead-out wire connection control device be made up of electronic device.
More specifically, as depicted in figs. 1 and 2, coil 1 comprises winding 11, pad 12, end circle 13, screw rod 14 and lays respectively at high-voltage leading-out wire 15 and the low pressure lead-out wire 16 at winding 11 two ends.Pad 12 is located between adjacent two circles of winding 11, and preferably, the edge of pad 12 extends multiple otic placode (unmarked), interts for screw rod 14; End circle 13 is fixed on the two ends of winding 11; Screw rod 14 through the through hole 21 of the otic placode on end circle 13, pad 12 and end plate 2, then is fixed with nut, and the center cavity of coil 1 is corresponding with the through hole 22 on end plate 2, is beneficial to heat radiation, and light structure.Also winding 11, pad 12 and end circle 13 are fixed on end plate 2 simultaneously.
Preferably, winding 11 is flat type copper wire or flat type aluminium wire, winding 11 can for continous way, two cake formula, spiral, be entangled with formula, inner screen continuous, Split type, overlapping type or figure-eight knot structure.End plate 2 is epoxy plate, epoxy resin board.Screw rod 14 is the metal screw of insulation blanket stud or outsourcing insulation.
For the ease of high-voltage leading-out wire 15 and the low pressure lead-out wire 16 of connecting coil 1, as shown in Figure 1 and Figure 4, this preferred embodiment one also comprises multiple binding post 3, the number of binding post 3 is the twice of coil number, wherein each binding post 3 be connected to coil 1 high-voltage leading-out wire 15 or between low pressure lead-out wire 16 and lead-out wire connection control device 4.
For the ease of fixed charge method end plate 2, be also namely convenient to this preferred embodiment one is installed, as shown in figures 1 to 6, this preferred embodiment one also comprises fixed support 5, and the rectangular platy structure of end plate 2, fixed support 5 is provided with a wire groove 52, and the edge of end plate 2 is fixed in wire groove 52.Preferably, fixed support 5 is elongated, and the surface of fixed support 5 is provided with two clamping plate 51 erect, and the cross section of such fixed support 5 is F shape, and also, wire groove 52 is formed between two clamping plate 51.
As shown in Figure 7, be the preferred embodiments of the present invention two, the difference of itself and the preferred embodiments of the present invention one is, preferred embodiment two only comprises 3 coils, 1,2 end plates 2.Therefore the ratio of the continuous adjustment of preferred embodiment one is comparatively diversified.
In sum, the invention discloses a kind of hollow test reactor of multistage continuously adjustabe of low voltage crossing testing apparatus, it can carry out the continuous adjustment of various ratio in 0 ~ 100% scope of required maximum reactance value, and light structure, rapid heat dissipation, pour into a mould without epoxy resin etc.There is the advantage such as adjustable extent ratio variation that is large, that regulate continuously, precision is high, easy to operate, lightweight, installation is simple, transportation safety.
One skilled in the art will appreciate that the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (9)
1., for the hollow test reactor of multistage continuously adjustabe of low voltage crossing testing apparatus, it is characterized in that, comprising:
Multiple coil, for the compensation of reactive power, described in each, coil is air core coil, and the two ends of coil described in each are respectively high-voltage leading-out wire and low pressure lead-out wire;
End plate, for supporting described coil, described coil is fixed on described end plate;
Lead-out wire connection control device, is connected with low pressure lead-out wire with the high-voltage leading-out wire of each of described multiple coil, combines, to realize the multistage continuously adjustabe of reactance value for the string that controls between described multiple coil;
Wherein, described coil comprises winding, pad, end circle, screw rod and is located at high-voltage leading-out wire and the low pressure lead-out wire at described winding two ends;
Described pad is located between adjacent two circles of described winding;
Described end circle is fixed on the two ends of described winding;
Described winding, pad, end circle through described end circle, pad and end plate, and are fixed on described end plate by described screw rod.
2. reactor according to claim 1, is characterized in that, also comprises fixed support;
The rectangular platy structure of described end plate, described fixed support is provided with a wire groove, and the edge of described end plate is fixed in described wire groove.
3. reactor according to claim 1, is characterized in that,
The quantity of described coil is inversely proportional to the ratio regulated continuously, and the reactance value of each described coil is proportional to required maximum reactance value.
4. reactor according to claim 1, is characterized in that,
Also comprise multiple binding post, each binding post be connected to described coil high-voltage leading-out wire or between low pressure lead-out wire and described lead-out wire connection control device.
5. reactor according to claim 1, is characterized in that,
Described lead-out wire connection control device comprises:
Operating platform, it comprises multiple contact, and each of described multiple contact connects one to one with the high-voltage leading-out wire of each described coil or low pressure lead-out wire respectively;
Multiple fixing line, for connecting contact corresponding to different coil, forming different strings to make described multiple coil and combining.
6. reactor according to claim 1, is characterized in that,
Described lead-out wire connection control device is the controller with control circuit and multiple contact, each of described multiple contact connects one to one with the high-voltage leading-out wire of each described coil or low pressure lead-out wire respectively, conducting between the described multiple contact of described control circuit control or shutoff, thus make described multiple coil form different strings and combine.
7. reactor according to claim 1, is characterized in that,
Described winding is flat type copper wire or flat type aluminium wire.
8. reactor according to claim 1, is characterized in that,
Described end plate is epoxy plate, epoxy resin board.
9. reactor according to claim 2, is characterized in that,
Described fixed support is elongated, and described support bracket fastened cross section is F shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310148600.8A CN103236337B (en) | 2013-04-25 | 2013-04-25 | The hollow test reactor of multistage continuously adjustabe for low voltage crossing testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310148600.8A CN103236337B (en) | 2013-04-25 | 2013-04-25 | The hollow test reactor of multistage continuously adjustabe for low voltage crossing testing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103236337A CN103236337A (en) | 2013-08-07 |
| CN103236337B true CN103236337B (en) | 2016-04-20 |
Family
ID=48884371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310148600.8A Active CN103236337B (en) | 2013-04-25 | 2013-04-25 | The hollow test reactor of multistage continuously adjustabe for low voltage crossing testing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103236337B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335875A (en) * | 2018-02-26 | 2018-07-27 | 深圳市英大科特技术有限公司 | A kind of air reactor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203216957U (en) * | 2013-04-25 | 2013-09-25 | 北京电力设备总厂 | Multistage continuous adjustable hollow test reactor for low voltage ride-through testing device |
-
2013
- 2013-04-25 CN CN201310148600.8A patent/CN103236337B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103236337A (en) | 2013-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yan et al. | A monitoring equipment charging system for HVTL based on domino-resonator WPT with constant current or constant voltage output | |
| CN101350510A (en) | DC heavy current ice melting device with static reactive power compensation function | |
| CN105322540B (en) | A kind of steady preview roadway method for building up of alternating current-direct current bulk power grid electrical-magnetic model | |
| CN103472393A (en) | Wind turbine power generation set high voltage ride through test system | |
| CN104459393A (en) | Large-capacity adjustable simulation RLC test load | |
| Islam et al. | A medium-frequency transformer with multiple secondary windings for grid connection through H-bridge voltage source converters | |
| Mogstad et al. | Power collection and integration on the electric grid from offshore wind parks | |
| CN102195261A (en) | 18kV and 40kHz high-frequency de-icing device and de-icing method thereof | |
| CN103311951B (en) | Wind power plant power transmission method based on voltage transformation of middle frequency or high frequency transformer | |
| CN103236337B (en) | The hollow test reactor of multistage continuously adjustabe for low voltage crossing testing apparatus | |
| CN203216957U (en) | Multistage continuous adjustable hollow test reactor for low voltage ride-through testing device | |
| CN110350441A (en) | A kind of online de-icing method of transmission line of electricity based on phase-shifting transformer | |
| Tanaka et al. | Winding Arrangement of High-frequency Amorphous Transformers for MW-class DC-DC Converters | |
| CN202405792U (en) | Mining high-voltage dynamic filter energy saving device | |
| CN106653336B (en) | A method of preparing the current transformer with simplification error test function | |
| CN107086612A (en) | The energy supplying system of the on-line monitoring equipment of energy is taken based on ultra-high-tension power transmission line wire jumper | |
| CN106771892A (en) | Power supply capacity compensation method in a kind of Three-Phase Transformer partial discharge experiment | |
| Qu et al. | Implementation of domino wireless power transfer technology for power grid online monitoring system | |
| CN101599344A (en) | Dry-type hollow parallel capacity regulating reactor | |
| Fu et al. | Application Prospects of Flexible Low-Frequency AC Transmission in Offshore Wind Power Integration | |
| CN203799859U (en) | Outdoor bus type current transformer | |
| CN203037823U (en) | Wind power and photovoltaic grid-connected test device | |
| CN105515000A (en) | Device for obtaining alternating-current power frequency power source in alternating-current high-voltage transmission line | |
| CN103543306B (en) | Voltage falling generator and control method thereof for low voltage crossing test | |
| CN206932014U (en) | The energy supplying system of the on-line monitoring equipment of energy is taken based on ultra-high-tension power transmission line wire jumper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Applicant after: BEIJING POWER EQUIPMENT GROUP Co.,Ltd. Address before: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Applicant before: Beijing Power Equipment Group |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: BEIJING POWER EQUIPMENT GENERAL PLANT TO: BEIJING ELECTRIC POWER EQUIPMENT GENERAL FACTORY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230103 Address after: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee after: BEIJING POWER EQUIPMENT GROUP Co.,Ltd. Patentee after: BEIJING ELECTRIC POWER AUTOMATIC EQUIPMENT Co.,Ltd. Address before: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee before: BEIJING POWER EQUIPMENT GROUP Co.,Ltd. |