CN2785010Y - AC voltage compensator - Google Patents
AC voltage compensator Download PDFInfo
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- CN2785010Y CN2785010Y CN 200420117170 CN200420117170U CN2785010Y CN 2785010 Y CN2785010 Y CN 2785010Y CN 200420117170 CN200420117170 CN 200420117170 CN 200420117170 U CN200420117170 U CN 200420117170U CN 2785010 Y CN2785010 Y CN 2785010Y
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Abstract
The utility model relates to an AC voltage compensator, which comprises a voltage compensation device and a control device, wherein the voltage compensation device is composed of a three-phase iron core, a secondary coil, a three-phase coil and a three-phase transition coil; the three-phase coil is respectively wound on a three-phase iron core column. A plurality of taps are arranged in the secondary coil for outputting power sources of different voltage. The taps 1, 3, 5, 7 of different turn numbers are arranged in the star point direction of the three-phase coil of the voltage compensation device; the taps 2, 4, 6 are arranged in the star point direction of the three-phase transition coil. A transfer switch LW specially for reforming system, and contactors K1, K2, K3, K4, K5, K6, K7 are mainly arranged in the control device. The closing and the breaking of K are driven by the conversion of LW to make the taps 1, 2, 3, 4, 5, 6, 7 respectively communicated and disconnected; thus, the voltage compensator capable of outputting power sources of different grade is formed. The utility model is suitable for various working conditions of long low-voltage power supplying lines, high energy consumption and big voltage drop, and is capable of prolonging the low-voltage power supplying lines and saving energy.
Description
One, technical field
The utility model relates to a kind of alternating-voltage compensator.Its technical field is an electric apparatus power supply series, belongs to the energy field power-saving technology.
Two, background technology
Prior art, Chinese patent utility model ZL 95 2 14359.3 is applicable to the remote power-feeding such as the colliery that low pressure is gone into the well, can solve the problem that low-voltage supply line is long, the circuit consume is high, voltage decline is big.But the output voltage grade of this technology has only one kind of 380V or 660V, and China has unit quite a lot to require to provide simultaneously 380V and two kinds of electric pressure power supplys of 660V at present, and above-mentioned technology still can not satisfy this requirement.And, prior art, related Manual Transfer Switch in utility model ZL 95 2 14359.3 three-phase alternating currents the are adjustable self coupling stepup transformer, because conductive copper sheet and contacting of contact are rubbing contact, form annular conductive ring easily, cause this switch on and off order entanglement, and this switch durability and poor reliability.
Three, summary of the invention
The technical matters that the utility model solves is exactly in order to remedy the deficiencies in the prior art, a kind of alternating-voltage compensator is provided, satisfying under heavy load and continuous electric power thus supplied to provide 380V and two kinds of voltage sources of 660V and adequate compensation to adjust the needs of voltage simultaneously, guarantee that remote load place voltage is in the range of nominal tension, make normal startup of motor and operation.
The purpose of this utility model can reach by the following technical programs:
A kind of alternating-voltage compensator, include voltage compensating device KOB and control device, tri-phase iron core 1 is arranged among the voltage compensating device KOB, secondary coil 2 and 3, three-phase coil 4, three-phase transition coil 5, the coil correspondence of three-phase is wound on the tri-phase iron core 1, wherein be provided with in the secondary coil 2 and 3 in order to export the tap of the different numbers of turn more than of different electric pressure 380V or 660V power supply, be provided with the tap of the different numbers of turn more than two in the asterism direction of three-phase coil 4, asterism direction at three-phase transition coil 5 is provided with an above tap, the tap of three-phase coil 4 and three-phase transition coil 5 respectively with control device in contactor K1, K2, K3, K4, K5, K6, the main contact of K7 is connected, and one of tap of three-phase coil 4 and three-phase transition coil 5 forms neutral point by the adhesive of one of contactor K1～K7 main contact; Contactor K1～K7, relay K A, control transformer KB, main contactor KM are arranged in the control device, start button switch ST, stop button switch STP, miniature circuit breaker DZ and transformation of the way dedicated convert switch LW; There is band to point to knob 6, positioning of rotating sign 7, switch main body 8, cam 9, tappet 10, spring 11, movable contact 12, fixed contact 13, merogenesis carrier 14, capping 15, fastening screw 16 and center among the transformation of the way dedicated convert switch LW and rotates square shaft 17.
Described transformation of the way dedicated convert switch LW, merogenesis carrier 14 has four joints, every joint merogenesis carrier 14 internal fixation are provided with 13 2 of fixed contacts, in fixed contact 13 arranged outside respectively one of movable contact 12 is arranged, respectively one on spring 11 in the outer side pressure of movable contact, movable contact 12 is embedded in the middle of the tappet 10, tappet 10 hemisphere faces point to cam 9 outers, cam 9 is installed in the center and rotates on the square shaft 17, band points to knob 6 and rotates the center that is installed in switch main body 8 after square shaft 17 is fixed with the center, four joint merogenesis carriers 14 are set successively in opposite directions on the left side of switch main body 8, four joint merogenesis carriers, 14 left sides are provided with capping 15, holding screw 16 is connected with capping 15, and cam 9 is provided with eight altogether.
The utility model compared with prior art has following beneficial effect.1, overcome the drawback that prior art can not provide 380V and two kinds of power supplys of 660V simultaneously, convenient power supply with electric unit is selected.2, reach rated voltage owing to improve low voltage, greatly reduced line loss, saved the energy, improved efficient.3, reduce the damage frequency of consumer, effectively reduced production cost.4, the switch of transformation of the way special use is attractive and durable, has improved the functional reliability of alternating-voltage compensator.
Four, description of drawings
Fig. 1 voltage compensating device KOB of the present utility model structural drawing;
Fig. 2 operation circuit schematic diagram of the present utility model;
Fig. 3 switch LW of the present utility model structural drawing;
Fig. 4 switch LW of the present utility model merogenesis planimetric map;
Fig. 5 cam blank of the present utility model 9-A planimetric map;
Fig. 6 cam blank of the present utility model 9-B planimetric map;
Fig. 7 cam blank of the present utility model 9-C planimetric map;
Fig. 8 first cam of the present utility model 9 shape figure;
Fig. 9 second cam, 9 shape figure of the present utility model;
Figure 10 the 3rd cam 9 shape figure of the present utility model;
Figure 11 the 4th cam 9 shape figure of the present utility model;
Figure 12 the 5th cam 9 shape figure of the present utility model;
Figure 13 the 6th cam 9 shape figure of the present utility model;
Figure 14 the 7th cam 9 shape figure of the present utility model;
Figure 15 the 8th cam 9 shape figure of the present utility model;
Figure 16 positioning of rotating sign 2 planimetric maps of the present utility model;
Five, specific embodiments
This alternating-voltage compensator, it includes voltage compensating device KOB and control device.Voltage compensating device KOB is made of three-phase iron core 1, secondary coil 2 and 3, three-phase coil 4, three-phase transition coil 5.Input end is ABC, and the coil correspondence of three-phase is wound on the three-phase iron core 1.Wherein be provided with the tap of two different numbers of turn in the secondary coil 2 and 3, in order to export the power supply of different electric pressures, tap a, b, c are output voltage grade 380V ± 5%, tap a1, b1, c1 are output voltage class 6 60V ± 5%, three-phase coil 4 is the continuous working coil among the voltage compensating device KOB, and its asterism direction has the tap 1,3,5,7 of the different numbers of turn.Three-phase transition coil 5 is the short transition coil among the voltage compensating device KOB, and its asterism direction has tap 2,4,6.The tap 1,2,3,4,5,6,7 of three-phase coil 4 and three-phase transition coil 5 is connected with the main contact of contactor K1, K2, K3, K4, K5, K6, K7 in the control device respectively among the voltage compensating device KOB.The control of control device is ordered control, mainly contains the switch LW of contactor K1, K2, K3, K4, K5, K6, K7 and transformation of the way special use in the control device.Conversion by LW, drive closure and the disjunction of K, one of tap that makes three-phase coil 4 and three-phase transition coil 5 forms neutral point by the adhesive of one of contactor K1～K7 main contact, adjust the voltage ratio difference owing to the tap number of turn is different, adopt the self coupling ultimate principle of boosting, realize pressure regulation, form the voltage compensator of adjustable voltage.
Adopted the special-purpose switch LW of the transformation of the way in control device, this switch utilizes the transformation of the way of GB GB14048 series of products LW universal seclector.Transformation of the way back LW can satisfy the switching requirement of this voltage compensating device KOB tap break-make.
The structure of transformation of the way dedicated convert switch LW is as follows: merogenesis carrier 14 has four joints, every joint merogenesis carrier internal fixation is provided with 13 2 of fixed contacts, in fixed contact 13 arranged outside respectively one of movable contact 12 is arranged, respectively one on spring 11 in the outer side pressure of movable contact, movable contact 12 is embedded in the middle of the tappet 10, tappet 10 hemisphere faces point to cam 9 outers, cam 9 is installed in the center and rotates on the square shaft 17, band points to knob 6 and rotates the center that is installed in switch main body 8 after square shaft 17 is fixed with the center, four joint merogenesis carriers 14 are set successively in opposite directions on the left side of switch main body 8, after four joint merogenesis carriers, 14 left sides are provided with capping 15, together fastening by holding screw 16.
The design that the structure of transformation of the way dedicated convert switch LW is changed a social system is described below:
Through changing a social system special-purpose LW universal seclector, be that original shape is changed a social system with GB GB14048.5-93 product LW5D16M /4 serial universal seclectors.The code name explanation: LW represents universal switch, 5 representative design code names, and the mark code name is adopted in the D representative, 16 representative agreement heating current values, M represents the feature code name, and represents the application drawing numbering, and 4 represent the contact system joint number.Transformation of the way design just redesigns the outer outline line of cam.Totally eight on cam 9 after the transformation of the way, i.e. Fig. 8～section 91-91,92-92,93-93,94-94,95-95,96-96,97-97,98-98 shown in Figure 15 is by three kinds of nylon blank 9-A, 9-B having the center square hole and the 9-C transformation of the way.Need only cut unnecessary colored wing during the transformation of the way gets final product, angle statement in the direction of the clock, 0 is 0 °, a colored wing is by 30 ° of calculating, when 0 ° of band sensing knob 6 finger tips sensing is ATC, the shape of eight cams 9 division from right to left is as follows: first cam cuts 0 ° of colored wing by blank 9-B, second cam cuts 90 °～120 ° colored wings for 90 ° by blank 9-A front and back upset back dextrorotation, the 3rd cam cuts 240 °～270 ° colored wings for left-handed 90 ° by blank 9-A, the 4th cam cuts 0 ° by blank 9-B, 30 ° and 60 ° of colored wings, the 5th cam cuts 150 °～180 ° colored wings for left-handed 180 ° by blank 9-A, the 6th cam cuts 270 ° by 90 ° of blank 9-B dextrorotation, 300 °, 330 ° of colored wings, the 7th cam cuts 60 °～90 ° colored wings by 90 ° of blank 9-A dextrorotation, and the 8th cam cuts 210 °～240 ° colored wings by blank 9-C.
Universal seclector LW has 8 cams 9, and 8 tappets 10 are arranged, and 8 pairs of contacts are arranged, and each contact has 2 contacts.Be respectively No. 1 No. 2 contacts of the 1st pair of contact, No. 3 No. 4 contacts of the 2nd pair of contact, No. 5 No. 6 contacts of the 3rd pair of contact, No. 7 No. 8 contacts of the 4th pair of contact, No. 9 No. 10 contacts of the 5th pair of contact, No. 11 No. 12 contacts of the 6th pair of contact, No. 13 No. 14 contacts of the 7th pair of contact, No. 15 No. 16 contacts of the 8th pair of contact.8 cams 9 are by tappet 10 corresponding 8 pairs of contacts actions, if it is 30 ° for one grade that the band of LW points to knob 6 every rotations, totally 12 shelves are with sensing knob 6 to point to gears and are respectively 0 °, 30 °, 60 °, 90 °, 120 °, 150 °, 180 °, 210 °, 240 °, 270 °, 300 °, 330 ° in the direction of the clock.
LW break-make rule sees Table 1:
Table 1
| Handle position | 0° | 30° | 60° | 90° | 120° | 150° | 180° | 210° | 240° | 270° | 300° | 330° |
| Make contact | 1、2 | Complete disconnected | 3、4 | 3、4 5、6 | 5、6 7、8 | 7、8 | 7、8 9、10 | 9、10 11、12 | 11、12 | 11、12 13、14 | 13、14 15、16 | 15、16 |
| The tap closing point | ATC | STP | Tap 1 | Tap 1, | | Tap 3 | Tap 3, tap 4 | Tap 4, tap 5 | Tap 5 | Tap 5, tap 6 | | |
As can be seen from the table, when band points to knob 6 finger tips at 60 °, 150 °, 240 °, 330 °, make tap 1, tap 3, tap 5, tap 7 closures respectively, form the neutral point that star connects autotransformer.Owing to the tap changing of these different numbers of turn, realized the purpose of pressure regulation.In order to make these taps switching that under the situation that big load does not cut off the power supply, is well on, need take the transition shelves to carry out transition.If need to switch to tap 3 from tap 1, band points to knob 6 and points to point and will forward 90 ° to from 60 °, forwards 120 ° again to, forwards 150 ° again to.Other handoff procedure by that analogy.Point to 0 ° when being ATC when band points to knob 6, contact 1,2 closures can be used as the main driving switch that makes and use (this example need not).Point to point when being STP for 30 ° when band points to knob 6, whole contacts all disconnect, and switch is in closed condition.Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16 are each cage structures of describing switch LW.Figure 3 shows that band points to knob 6 and points to 0 i.e. operating mode when 0 ° that is ATC position.At this moment, 91-91 cam 9 grooves are in 0 direction, and the groove that this moment, corresponding tappet 10 fell into 91-91 cam 9 makes No. 1, first pair of contact, No. 2 closings of contact.Simultaneously, arc outer, the garden correspondence of 7 cam 9 projectioies in addition straightens its tappet 10 and movable contact 12, makes the 2nd pair to the 8th pair contact disjunction.
When band pointed to knob 6 and points to 0 ° that is ATC, contact 1,2 closing points can be used as the main driving switch that makes and use (this example need not).Point to point when being gear STP for 30 ° when band points to knob 6, this moment, whole contacts all disconnected, and switch is in closed condition.Gear 1,3,5,7 is respectively band and points to knob 6 and point to point in the time of 60 °, 150 °, 240 °, 330 °, makes tap 1, tap 3, tap 5, tap 7 closures this moment, and the formation star connects the neutral point of autotransformer.Band points to knob 6, and to point to point be the transition gear when the little black round spot of diagram, in this transition gear short transition only, plays a transition role.Band points to the spacer that knob 6 is useful on positioning of rotating, and the rotating range that band is pointed to knob 6 is spacing.Band points to knob 6 and can be clockwise rotates to 330 ° from 0 °, can be counterclockwise rotates to 0 ° from 330 °, can not be clockwise rotates to 0 ° from 330 °, and irreversible hour hands rotate to 330 ° from 0 °.According to the break-make rule of LW, when band pointed to knob 6 rotations, the drive center was rotated square shaft 17 and is rotated.Rotate on the square shaft 17 because of cam 9 is fixed on, square shaft 17 rotates and promptly drives cam 9 rotations.When cam 9 rotated, cam 9 outers promptly promoted tappet 10 and radially slide up and down along cam 9.Because of movable contact 12 is fixed on the tappet 10, tappet 10 slips promptly drive movable contact 12 and slide up and down again, and movable contact 12 slides up and down disjunction or the closure that promptly causes contact.
In the 98-98 section, 10-1 describes tappet 10 and straightens the operating mode of movable contact 12 and fixed contact 13 disjunctions among Figure 15, and 10-2 describes the operating mode that tappet 10 falls movable contact 12 and fixed contact 13 closures.The disjunction of movable contact 12 and fixed contact 13 or closed interval and to prolong angle be by the shape decision of cam outer.
Narrate the operational circumstances of this alternating-voltage compensator according to Fig. 2 operation circuit schematic diagram:
At first press the ST button switch, relay K A adhesive this moment, the auxiliary contact by KA pass to switch LW, and LW transmits regularly by switch, make contactor K1～K7 adhesive or disconnection successively, wherein contactor K1～K7 has at least one to be in attracting state.The auxiliary contact transmission of often opening by contactor K1～K7 makes main switch KW adhesive, thereby is energized to voltage compensating device KOB, after adjusting by voltage compensation, send to a, b, c and a1, b1, c1 direction.The adjustment of voltage is realized by the tap changing of the three-phase coil 4 different numbers of turn.The transfer law of LW is: 1,3,5,7 are the work tap of three- phase coil 4, and 2,4,6 is the tap of three-phase transition coil 5.If need to switch to tap 3 from tap 1, band points to knob 6 and points to point and will forward 90 ° to from 60 °, forwards 120 ° again to, forwards 150 ° again to.All the other handoff procedures by that analogy.When the needs compensator quits work, can press and stop button switch STP, also rotatable band points to knob 6 and points to point and point to 30 ° that is a STP position.Control transformer KB is provided with for the former device rated voltage of adaptive control.Voltage table V1 and V2 are for monitoring that input and output voltage is provided with.
The present embodiment alternating-voltage compensator, rated capacity are 400KVA, rated current 372A.Secondary coil 2 and 3 from the ABC incoming line to output line abc to output line a1b1c1 be 2 parallel connections of 5 * 10 double glass fiber flat type copper wires, three-phase coil 4 is 4 * 8.5 double glass fiber flat type copper wires from incoming line ABC to K7, K7 to K5 is 3 * 8 double glass fiber flat type copper wires, K5 to K3 is 3 * 5 double glass fiber flat type copper wires, K3 to K1 is 2 * 5 double glass fiber flat type copper wires, three-phase transition coil 5 is 2 * 5 double glass fiber flat type copper wires, and output terminal to input end coil is two of 5 * 10 double glass fiber flat type copper wires.Other former device all adopts the specification product of positive safe group.The no-load running measurement sees Table 2, and the actual loading measurement sees Table 3: adhere to specification as can be seen from table 2, table 3.
Table 2
| Gear | Input voltage V | Output voltage V 1 | | Input current A |
| K7 | 590 | 415 | 690 | 0.6 |
| K5 | 615 | 420 | 695 | 0.3 |
| K3 | 640 | 418 | 700 | 0.3 |
| K1 | 665 | 419 | 700 | 0.2 |
Table 3
| Gear | Input voltage V | Input current A | Output voltage V 1 | | Output current A1 | Output current A2 |
| K7 | 563 | 110 | 415 | 700 | 20 | 80 |
| K5 | 624 | 270 | 420 | 730 | 60 | 200 |
| K3 | 650 | 175 | 418 | 724 | 120 | 100 |
| K1 | 675 | 155 | 419 | 730 | 49 | 120 |
Claims (2)
1, a kind of alternating-voltage compensator, include voltage compensating device KOB and control device, it is characterized in that: tri-phase iron core (1) is arranged among the voltage compensating device KOB, secondary coil (2 and 3), three-phase coil (4), three-phase transition coil (5), the coil correspondence of three-phase is wound on the tri-phase iron core (1), wherein be provided with in the secondary coil (2 and 3) in order to export the tap of the different numbers of turn more than of different electric pressure 380V or 660V power supply, be provided with the tap of the different numbers of turn more than two in the asterism direction of three-phase coil (4), asterism direction at three-phase transition coil (5) is provided with an above tap, the tap of three-phase coil (4) and three-phase transition coil (5) respectively with control device in contactor K1, K2, K3, K4, K5, K6, the main contact of K7 is connected, and one of tap of three-phase coil (4) and three-phase transition coil (5) forms neutral point by the adhesive of one of contactor K1～K7 main contact; Contactor K1～K7, relay K A, control transformer KB, main contactor KM are arranged in the control device, start button switch ST, stop button switch STP, the small-sized DZ of opening circuit and transformation of the way dedicated convert switch LW; There is band to point to knob (6), positioning of rotating sign (7), switch main body (8), cam (9), tappet (10), spring (11), movable contact (12), fixed contact (13), merogenesis carrier (14), capping (15), holding screw (16) and center among the transformation of the way dedicated convert switch LW and rotates square shaft (17).
2, alternating-voltage compensator according to claim 1, it is characterized in that comprising that merogenesis carrier (14) has four joints among the described transformation of the way dedicated convert switch LW, every joint merogenesis carrier (14) internal fixation is provided with (13) two of fixed contacts, in fixed contact (13) arranged outside each one of movable contact (12) is arranged, each one on spring (11) in the outer side pressure of movable contact, movable contact (12) is embedded in the middle of the tappet (10), tappet (10) hemisphere face points to cam (9) outer, cam (9) is installed in the center and rotates on the square shaft (17), band points to knob (6) and rotates the center that is installed in switch main body (8) after square shaft (17) is fixed with the center, four joint merogenesis carriers (14) are set successively in opposite directions on the left side of switch main body (8), four joint merogenesis carrier (14) left sides are provided with capping (15), holding screw (16) is connected with capping (15), and cam (9) is provided with eight altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117170 CN2785010Y (en) | 2004-12-08 | 2004-12-08 | AC voltage compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117170 CN2785010Y (en) | 2004-12-08 | 2004-12-08 | AC voltage compensator |
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| Publication Number | Publication Date |
|---|---|
| CN2785010Y true CN2785010Y (en) | 2006-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420117170 Expired - Fee Related CN2785010Y (en) | 2004-12-08 | 2004-12-08 | AC voltage compensator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709034A (en) * | 2012-01-04 | 2012-10-03 | 吴江市东泰电力特种开关有限公司 | On-load continuous transformer |
| CN107887142A (en) * | 2017-12-20 | 2018-04-06 | 常州太平洋电力设备(集团)有限公司 | The dry type auto-transformer of coil Asymmetric division |
| CN108470650A (en) * | 2018-03-05 | 2018-08-31 | 郭嘉川 | A kind of power grid intelligent voltage regulator loaded tap-off mechanical switch |
| CN111584812A (en) * | 2020-04-08 | 2020-08-25 | 深圳市欣旺达综合能源服务有限公司 | Lithium battery pack |
-
2004
- 2004-12-08 CN CN 200420117170 patent/CN2785010Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709034A (en) * | 2012-01-04 | 2012-10-03 | 吴江市东泰电力特种开关有限公司 | On-load continuous transformer |
| CN107887142A (en) * | 2017-12-20 | 2018-04-06 | 常州太平洋电力设备(集团)有限公司 | The dry type auto-transformer of coil Asymmetric division |
| CN108470650A (en) * | 2018-03-05 | 2018-08-31 | 郭嘉川 | A kind of power grid intelligent voltage regulator loaded tap-off mechanical switch |
| CN108470650B (en) * | 2018-03-05 | 2019-08-20 | 丁世轩 | A kind of power grid intelligent voltage regulator loaded tap-off mechanical switch |
| CN111584812A (en) * | 2020-04-08 | 2020-08-25 | 深圳市欣旺达综合能源服务有限公司 | Lithium battery pack |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060531 Termination date: 20101208 |