CN204013242U - Three-phase compensating type AC voltage regulating device - Google Patents
Three-phase compensating type AC voltage regulating device Download PDFInfo
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- CN204013242U CN204013242U CN201420459039.5U CN201420459039U CN204013242U CN 204013242 U CN204013242 U CN 204013242U CN 201420459039 U CN201420459039 U CN 201420459039U CN 204013242 U CN204013242 U CN 204013242U
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- auxiliary relay
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 21
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 230000000630 rising effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
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Abstract
This practicality relates to a kind of three-phase compensating type AC voltage regulating device, comprise major loop and control loop, major loop comprises compensator transformer T1, voltage regulator T2 and isolating transformer T3, two adjustable sides on voltage regulator T2 drive slippage by servo motor control unit, the winding of voltage regulator T2 is Y-connection in input side, two adjustable sides of voltage regulator T2 are connected to the two ends of a winding of compensator transformer T1, input ac power is connected to the input of isolating transformer T3 through the secondary winding of compensator transformer T1, the input winding of isolating transformer T3 and output winding are respectively Y-connection, the output of isolating transformer T3 is drawn three-phase voltage stabilizing end.The utlity model has simple in structure, wave distortion is little, load capacity and the strong feature of antijamming capability.
Description
Technical field
The utility model relates to a kind of three-phase compensating type AC voltage regulating device.
Background technology
Traditional three phase ac controller adopts the autotransformer of Y-connection, during pressure regulation, by servomotor, drive carbon brush in winding inter-turn slippage, thereby reach rising, the reduction of three-phase alternating current output voltage, the finite capacity of this three-phase compensating type AC voltage regulating device, load capacity is poor, can not meet large current load.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, provides that a kind of capacity is large, load capacity is strong, for a long time the three-phase compensating type AC voltage regulating device of large current work.
For achieving the above object, the utility model adopts a kind of like this three-phase compensating type AC voltage regulating device, comprise major loop and control loop, described major loop comprises compensator transformer T1, voltage regulator T2 and isolating transformer T3, two adjustable sides on described voltage regulator T2 drive slippage by servo motor control unit, the winding of described voltage regulator T2 is Y-connection in input side, two adjustable sides of described voltage regulator T2 are connected to the two ends of a winding of described compensator transformer T1, input ac power is connected to the input of described isolating transformer T3 through the secondary winding of described compensator transformer T1, the input winding of described isolating transformer T3 and output winding are respectively Y-connection, the output of described isolating transformer T3 is drawn three-phase voltage stabilizing end.Compared with the prior art, the beneficial effects of the utility model are embodied in: by adjusting the tap of voltage regulator, make compensator transformer obtain voltage change value, and be superimposed upon input ac power, realize rising and the reduction of the voltage of AC voltage regulator, the two ends of voltage regulator are without the too high voltage of carrying, and can drag large current load; In addition, the antijamming capability that is arranged so that three-phase compensating type AC voltage regulating device of isolating transformer strengthens greatly, the utlity model has simple in structure, wave distortion is little, load capacity and the strong feature of antijamming capability.
Especially, the power supply of described control loop is from the single-phase C end power taking of described input ac power, the normally open contact of boost button SB1, the normally closed interlock KM2-2 of step-down auxiliary relay, after the normally closed interlock of upper limit travel switch SL2 is connected with the coil of the auxiliary relay KM1 that boosts, and the two ends of the power supply of the control loop described in being connected to, the normally open contact of step-down button SB2, the normally closed interlock KM1-2 of the described auxiliary relay that boosts, after the normally closed interlock of lower bound range switch S L1 is connected with the coil of described step-down auxiliary relay KM2, and the two ends of the power supply of the control loop described in being connected to, the normal open switch KM1-1 of the described auxiliary relay that boosts is for driving servomotor forward, the normal open switch KM2-1 of described step-down auxiliary relay is for driving described servomotor reversion.By the setting of upper limit travel switch and lower bound range switch, for manual voltage regulation arranges pressure regulation interval; In addition, the normally closed interlock of the normally closed interlock of the auxiliary relay that boosts and step-down auxiliary relay is arranged to interlocking structure, guarantee control loop can be normally, operation reliably.
On the trunk roads of especially, described control loop, connect single-pole circuit breaker.By the setting of single-pole circuit breaker, avoid the abnormal or fault of power supply to enter control loop and then initiating failure, even damage the electric component in control loop.
Accompanying drawing explanation
Fig. 1 is major loop of the present utility model and control loop schematic diagram.
Embodiment
As shown in Figure 1, a kind of three-phase compensating type AC voltage regulating device, comprise major loop and control loop, major loop comprises compensator transformer T1, voltage regulator T2 and isolating transformer T3, two adjustable sides on voltage regulator T2 drive slippage by servo motor control unit, the winding of voltage regulator T2 is Y-connection in input side, two adjustable sides of voltage regulator T2 are connected to the two ends of a winding of compensator transformer T1, input ac power is connected to the input of isolating transformer T3 through the secondary winding of compensator transformer T1, the input winding of isolating transformer T3 and output winding are respectively Y-connection, the output of isolating transformer T3 is drawn three-phase voltage stabilizing end.
The power supply of control loop is from the single-phase C end power taking of input ac power, the normally open contact of boost button SB1, the normally closed interlock KM2-2 of step-down auxiliary relay, after the normally closed interlock of upper limit travel switch SL2 is connected with the coil of the auxiliary relay KM1 that boosts, and be connected to the two ends of the power supply of control loop, the normally open contact of step-down button SB2, the normally closed interlock KM1-2 of auxiliary relay boosts, after the normally closed interlock of lower bound range switch S L1 is connected with the coil of step-down auxiliary relay KM2, and be connected to the two ends of the power supply of control loop, boost the normal open switch KM1-1 of auxiliary relay for driving servomotor forward, the normal open switch KM2-1 of step-down auxiliary relay is used for driving servomotor reversion.
On the trunk roads of control loop, connect single-pole circuit breaker DZ47.
Claims (3)
1. a three-phase compensating type AC voltage regulating device, it is characterized in that: comprise major loop and control loop, described major loop comprises compensator transformer (T1), voltage regulator (T2) and isolating transformer (T3), two adjustable sides on described voltage regulator (T2) drive slippage by servo motor control unit, the winding of described voltage regulator (T2) is Y-connection in input side, two adjustable sides of described voltage regulator (T2) are connected to the two ends of a winding of described compensator transformer (T1), input ac power is connected to the input of described isolating transformer (T3) through the secondary winding of described compensator transformer (T1), the input winding of described isolating transformer (T3) and output winding are respectively Y-connection, the output of described isolating transformer (T3) is drawn three-phase voltage stabilizing end.
2. three-phase compensating type AC voltage regulating device according to claim 1, it is characterized in that: the power supply of described control loop is from the single-phase C end power taking of described input ac power, the normally open contact of boost button (SB1), the normally closed interlock of step-down auxiliary relay (KM2-2), after the normally closed interlock of upper limit travel switch (SL2) is connected with the coil of the auxiliary relay that boosts (KM1), and the two ends of the power supply of the control loop described in being connected to, the normally open contact of step-down button (SB2), the normally closed interlock (KM1-2) of the described auxiliary relay that boosts, after the normally closed interlock of lower bound range switch (SL1) is connected with the coil of described step-down auxiliary relay (KM2), and the two ends of the power supply of the control loop described in being connected to, the normal open switch (KM1-1) of the described auxiliary relay that boosts is for driving servomotor forward, the normal open switch (KM2-1) of described step-down auxiliary relay is for driving described servomotor reversion.
3. three-phase compensating type AC voltage regulating device according to claim 1 and 2, is characterized in that: on the trunk roads of described control loop, connect single-pole circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459039.5U CN204013242U (en) | 2014-08-10 | 2014-08-10 | Three-phase compensating type AC voltage regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459039.5U CN204013242U (en) | 2014-08-10 | 2014-08-10 | Three-phase compensating type AC voltage regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013242U true CN204013242U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420459039.5U Expired - Fee Related CN204013242U (en) | 2014-08-10 | 2014-08-10 | Three-phase compensating type AC voltage regulating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204013242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444942A (en) * | 2016-08-31 | 2017-02-22 | 岸思电气（嘉善）有限公司 | SBW three-phase compensation type alternating-current voltage stabilizer |
| CN113075514A (en) * | 2021-04-02 | 2021-07-06 | 新风光电子科技股份有限公司 | Interpolar withstand voltage test circuit of automatic discharge thin-film capacitor |
-
2014
- 2014-08-10 CN CN201420459039.5U patent/CN204013242U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444942A (en) * | 2016-08-31 | 2017-02-22 | 岸思电气（嘉善）有限公司 | SBW three-phase compensation type alternating-current voltage stabilizer |
| CN113075514A (en) * | 2021-04-02 | 2021-07-06 | 新风光电子科技股份有限公司 | Interpolar withstand voltage test circuit of automatic discharge thin-film capacitor |
| CN113075514B (en) * | 2021-04-02 | 2023-04-11 | 新风光电子科技股份有限公司 | Interpolar withstand voltage test circuit of automatic discharge thin-film capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325604 Yang Yang Industrial Zone, Liushi Town, Zhejiang, Yueqing Patentee after: HONLE ELECTRIC Co.,Ltd. Address before: 325604 Yang Yang Industrial Zone, Liushi Town, Zhejiang, Yueqing Patentee before: ZHEJIANG HONLE ELECTRIC Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |