CN210403486U - Multi-body power saving equipment and control circuit thereof - Google Patents
Multi-body power saving equipment and control circuit thereof Download PDFInfo
- Publication number
- CN210403486U CN210403486U CN201921245149.0U CN201921245149U CN210403486U CN 210403486 U CN210403486 U CN 210403486U CN 201921245149 U CN201921245149 U CN 201921245149U CN 210403486 U CN210403486 U CN 210403486U
- Authority
- CN
- China
- Prior art keywords
- winding
- switch
- power saving
- control circuit
- transformer
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a many bodies power saving equipment and control circuit thereof, many bodies power saving equipment includes the transformer, every looks primary side of transformer is a long winding, and every looks secondary limit includes two or above independent windings, and every winding method on secondary limit is the same, the part is the same or all different, and every winding on secondary limit is connected with respective control circuit respectively. Adopt the technical scheme of the utility model, auxiliary structure and reactor in the middle of the transformer is not, and the structure is simpler, carries out the independent control through each coil to the secondary side of major loop, has reduced self loss, and effectual suppression harmonic has improved the power saving rate, and the fault rate also reduces thereupon.
Description
Technical Field
The utility model relates to a power supply technical field especially relates to a multi-body power saving equipment and control circuit thereof.
Background
At present, a conventional transformer generally comprises a main transformer and an intermediate auxiliary reactor, a control circuit is arranged in the middle of the transformer, and certain power consumption exists in the loss of the control circuit and the reactor, so that waste is caused. In addition, the conventional transformer has a single winding mode and single control, so that the function of harmonic reduction is limited. The capacities of the main body part, the middle auxiliary part and the reactor in the transformer in the prior art are large, and if any one part fails, power failure can happen.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model discloses a many bodies power saving equipment and control circuit thereof has improved the power saving rate, reduces the fault rate.
The primary side of each phase of the transformer is a long winding, each secondary side of each phase of the transformer comprises two or more independent windings, the winding method of each winding of the secondary side is the same, part of the windings of the secondary side is the same or different, and each winding of the secondary side is respectively connected with a respective control circuit.
The long winding is not provided with a center tap and is directly wound from the input end to the output end; each phase secondary side comprises two or more independent windings, each of which is controlled independently, so that the current of different windings can be controlled to cause the output end to change. The transformer does not need to adopt an intermediate control part and an electric reactor, so that the loss and the materials of the intermediate control part and the electric reactor are saved, the power saving rate is improved, and the cost is reduced; and the effect of reducing harmonic waves is also achieved, each winding of the secondary side is independently controlled, and the fault rate is reduced. Wherein, the transformer may be a three-phase transformer.
As a further improvement of the present invention, the long winding comprises two or more windings connected in series.
As a further improvement of the utility model, the winding method of each phase of secondary side winding comprises one layer of dense winding, equal winding, multilayer dense winding and parallel winding.
As a further improvement of the utility model, the control circuit that every winding corresponds is connected in parallel.
The utility model discloses an as above arbitrary many bodies power-saving equipment's control circuit, control circuit includes switch A, switch B, switch C and inductance, and the one end of the winding on every vice limit is connected with switch A one end, switch C's one end respectively, and another termination zero line of the winding on every vice limit, switch B's both ends are parallelly connected at the both ends of the winding on every vice limit, switch A's the other end is connected with the one end of inductance, switch C's the other end is connected with air switch Q2's one end through resistance R1, the other end and the other end of air switch Q2 of inductance are connected, air switch Q2's the other end passes through air switch Q1 and is connected with every looks primary side output.
As a further improvement of the present invention, the switch a, the switch B, and the switch C are an intermediate relay, a relay, or a contactor.
As a further improvement of the present invention, the relay is connected to the time relay.
Compared with the prior art, the beneficial effects of the utility model are that:
adopt the technical scheme of the utility model, auxiliary structure and reactor in the middle of the transformer is not, and the structure is simpler, carries out the independent control through each coil to the secondary side of major loop, has reduced self loss, and effectual suppression harmonic, the balanced transient range of three-phase reduces, improves more than 0.5% because of the economize on electricity rate. In addition, each coil of the secondary side can adopt different winding methods and is independently controlled, and the requirements of different harmonic reduction aspects can be met. In addition, the secondary side can be formed by a plurality of small-capacity transformers, the capacity is reduced, the fault rate is reduced, and if one of the transformers fails, the other transformers cannot be influenced to work normally.
Drawings
Fig. 1 is a schematic structural diagram of a multi-body power saving device of the present invention.
Fig. 2 is a schematic structural diagram of a control circuit of the multi-body power saving device of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a multi-body power saving device includes a transformer, the primary side of each phase of the transformer is a long winding, each secondary side of the transformer includes two or more independent windings, the winding method of each winding of the secondary side is the same, part of the windings is the same or different, and each winding of the secondary side is connected with a respective control circuit. Furthermore, the long winding comprises two or more windings connected in series. The winding method of the winding of each phase secondary side comprises one layer of close winding, equal winding, multiple layers of close winding and parallel winding. The control circuits corresponding to each winding of the secondary side are connected in parallel.
Example 2
As shown in fig. 2, in the present embodiment, the control circuit of the multi-body power saving device described in embodiment 1 is equivalent to five transformers, a primary side includes 5 windings L1 to L5 connected in series in sequence, a secondary side control circuit for each phase includes a switch a, a switch B, a switch C, and an inductor, one end of each secondary side winding is connected to one end of the switch a and one end of the switch C, the other end of each secondary side winding is connected to a zero line, two ends of the switch B are connected in parallel to two ends of each secondary side winding, the other end of the switch a is connected to one end of the inductor, the other end of the switch C is connected to one end of an air switch Q2 through a resistor R1, the other end of the inductor is connected to the other end of an air switch Q2, and the other end of the air switch Q2 is connected to an output end of each phase primary side through an air switch Q1. Aiming at the embodiment, the secondary side is provided with five independent windings, in a control circuit corresponding to each winding, a switch A is respectively a switch A1-a 5, a switch B is respectively a switch B1-a switch B5, a switch C is respectively a switch C1-a switch C5, in the first winding, B1, A1 and C1 are connected in parallel, and the same is true for control loops of other windings; the switches C1-C5 are connected in parallel to one end of an air switch Q2 through a resistor R1, the other end of the air switch Q2 is connected with one end of an inductor of each control circuit and is connected with one end of an air switch Q1, and the other end of the air switch Q1 is connected with the output end of the primary side.
Further, the switch A, the switch B and the switch C are intermediate relays, relays or contactors.
Further, the relay is connected with a time relay.
By adopting the technical scheme of the embodiment, the long winding is directly wound from the input end to the output end; each phase secondary side comprises two or more independent windings, each of which is controlled independently, so that the current of different windings can be controlled to cause the output end to change. The transformer does not need to adopt an intermediate control part and a reactor, so that the loss and the materials of the intermediate control part and the reactor are saved, the power saving rate is improved, and the cost is reduced. The loss of the transformer is reduced, harmonic waves are effectively inhibited, three-phase balance is realized, and the transient range is reduced, so that the power saving rate of the novel transformer is improved by 0.5 percent.
In the aspect of reducing harmonic waves, the technical scheme is equivalent to that a main transformer of each phase is decomposed into a plurality of small transformers, main sides are connected in series, secondary sides are connected in parallel and controlled independently, and the wire diameter of each winding of the secondary sides can be reduced, so that various winding methods can be realized. The loss of the transformer is reduced, harmonic waves are effectively inhibited, three-phase balance is realized, and the transient range is reduced, so that the power saving rate of the novel transformer is improved by 0.5 percent.
In addition, the capacities of the main body part, the middle auxiliary part and the reactor in the old product are large, if any part fails, power failure can happen, the new product is improved to be composed of a plurality of transformers with small capacities, the failure rate is reduced due to the fact that the capacity is small, and if one part fails, the other parts can not be influenced, so that the failure rate is reduced.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.
Claims (7)
1. A multi-bank power saving device, characterized by: the transformer comprises a transformer, wherein the primary side of each phase of the transformer is a long winding, the secondary side of each phase of the transformer comprises two or more independent windings, the winding methods of the windings of the secondary sides are the same, part of the windings of the secondary sides are the same or different, and each winding of the secondary side is respectively connected with a respective control circuit.
2. The multi-bank power saving device of claim 1, wherein: the long winding comprises two or more windings which are connected in series.
3. The multi-bank power saving device of claim 2, wherein: the winding method of the winding of each phase secondary side comprises one layer of close winding, equal winding, multiple layers of close winding and parallel winding.
4. The multi-bank power saving device of claim 2, wherein: the control circuits corresponding to each winding of the secondary side are connected in parallel.
5. A control circuit of a multi-bank power saving device according to any one of claims 1 to 4, characterized in that: the control circuit comprises a switch A, a switch B, a switch C and an inductor, wherein one end of a winding of each secondary side is respectively connected with one end of the switch A and one end of the switch C, the other end of the winding of each secondary side is connected with a zero line, two ends of the switch B are connected with two ends of the winding of each secondary side in parallel, the other end of the switch A is connected with one end of the inductor, the other end of the switch C is connected with one end of an air switch Q2 through a resistor R1, the other end of the inductor is connected with the other end of an air switch Q2, and the other end of the air switch Q2 is connected with the primary side output end of each phase through an air switch Q1.
6. The control circuit of a multi-bank power saving device according to claim 5, wherein: the switch A, the switch B and the switch C are intermediate relays, relays or contactors.
7. The control circuit of a multi-bank power saving device according to claim 6, wherein: the relay is connected with the time relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245149.0U CN210403486U (en) | 2019-08-02 | 2019-08-02 | Multi-body power saving equipment and control circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245149.0U CN210403486U (en) | 2019-08-02 | 2019-08-02 | Multi-body power saving equipment and control circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210403486U true CN210403486U (en) | 2020-04-24 |
Family
ID=70359940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921245149.0U Expired - Fee Related CN210403486U (en) | 2019-08-02 | 2019-08-02 | Multi-body power saving equipment and control circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210403486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289155A (en) * | 2019-08-02 | 2019-09-27 | 深圳市华控科技集团有限公司 | A kind of more body segment electric equipments and its control circuit |
| CN110289155B (en) * | 2019-08-02 | 2024-04-30 | 深圳市华控科技集团有限公司 | Multi-body power-saving equipment and control circuit thereof |
-
2019
- 2019-08-02 CN CN201921245149.0U patent/CN210403486U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289155A (en) * | 2019-08-02 | 2019-09-27 | 深圳市华控科技集团有限公司 | A kind of more body segment electric equipments and its control circuit |
| CN110289155B (en) * | 2019-08-02 | 2024-04-30 | 深圳市华控科技集团有限公司 | Multi-body power-saving equipment and control circuit thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102930964B (en) | A kind of three-phase loaded capacity-regulated transformer | |
| CN106031012A (en) | Converter for an ac system | |
| CN114204532A (en) | Distribution circuit for reducing starting impact current of transformer in radar system | |
| CN210403486U (en) | Multi-body power saving equipment and control circuit thereof | |
| CN101291065A (en) | Linear harmonic suppressing apparatus in low voltage distributing network | |
| CN204407167U (en) | A kind of loaded capacity-regulated transformer | |
| CN2901524Y (en) | Variable magnetic flux series and parallel regulating capacity transformer | |
| CN215578126U (en) | Forced shunting balance transformer | |
| CN110289155B (en) | Multi-body power-saving equipment and control circuit thereof | |
| CN203325665U (en) | Frequency-conversion phase-shift rectifier transformer | |
| CN202887956U (en) | Single phase-shift pressure regulating rectifier transformer | |
| CN103280807A (en) | Distribution network power quality comprehensive compensator | |
| CN205565730U (en) | Automatic transfer and hold pressure regulating distribution transformer low pressure system energy saving equipment | |
| CN211628989U (en) | High-power intermediate relay of AC/DC load | |
| CN104124044B (en) | A kind of capacity and pressure regulating three-phase transformer | |
| CN111181171A (en) | Reactive power compensation device | |
| CN112837915A (en) | Power circuit and power supply capable of dynamically changing inductance | |
| JP2023506965A (en) | Single-phase three-phase hybrid filter system for charger | |
| CN213846247U (en) | Intelligent power saving device | |
| Liu et al. | Fault current limiting by phase shifting angle control of TCPST | |
| CN110289155A (en) | A kind of more body segment electric equipments and its control circuit | |
| RU2324251C1 (en) | Electrical reactor with magnetic biasing | |
| CN204794015U (en) | Electric leakage circuit breaker | |
| CN203574369U (en) | Capacitor type distribution network power quality comprehensive compensator | |
| CN213959761U (en) | Reactive power compensation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20210802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |