CN201118250Y - Three phase energy supply electricity saver - Google Patents
Three phase energy supply electricity saver Download PDFInfo
- Publication number
- CN201118250Y CN201118250Y CNU2007201917742U CN200720191774U CN201118250Y CN 201118250 Y CN201118250 Y CN 201118250Y CN U2007201917742 U CNU2007201917742 U CN U2007201917742U CN 200720191774 U CN200720191774 U CN 200720191774U CN 201118250 Y CN201118250 Y CN 201118250Y
- Authority
- CN
- China
- Prior art keywords
- phase
- winding
- iron core
- windings
- saving appliance
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Abstract
The utility model provides a three-phase power saver, which is a saver consisting of a three wire compensator and a pressure detection and control circuit; wherein, the three wire compensator is a single-ring iron core [L] with three windings arranged on the same iron core. As the single-ring iron core [L] with three windings arranged on the same iron core is adopted, the current change of the common winding reflected on the windings in series connection is in three-phase equilibrium when the three phase power consumption is unbalanced. Compared with the prior art that the three-phase windings arranged on different iron cores or different magnetic circuits result in inconsistent three-phase power consumption and also in inconsistent current reflected on the windings in series connection, the utility model will not produce pollution to the power grid due to the unbalanced power consumption of the three-phase circuit.
Description
Technical field
The utility model relates to a kind of three phase mains electricity-saving appliance, genus utilizes tapped transformer or changes the technical field of the inductor of tap as the system that regulates electric variable or magnetic variable.
Background technology
The three phase mains electricity-saving appliance that the utility model proposed, it is a kind of electricity-saving appliance that constitutes by 3-phase autotransformer and voltage detecting and controling circuit, wherein the shared winding of three phase windings of 3-phase autotransformer has a plurality of taps, and the normally open contact of three contactors in each tap phase-splitting and the described voltage detecting and controling circuit is connected.The 3-phase autotransformer of this type of three phase mains electricity-saving appliance formed with three single-phase autotransformer superpositions in the past, or three phase winding different magnetic loops is arranged (as using a day font iron core, and with winding be separately positioned on three horizontal on), when the three-phase power consumption is uneven, can produce pollution like this to electrical network.
Summary of the invention
At above-mentioned deficiency, the utility model is exactly to propose a kind of three phase mains electricity-saving appliance that can not produce when the three-phase power consumption is uneven electric network pollution.
The three phase mains electricity-saving appliance that the utility model provides, it is the electricity-saving appliance that constitutes by 3-phase autotransformer and voltage detecting and controling circuit, wherein shared winding has a plurality of taps in three phase windings of 3-phase autotransformer, three contactors are arranged in the voltage detecting and controling circuit, each tap on each winding is connected with one of normally opened contact of three contactors respectively by phase place, and the iron core of said 3-phase autotransformer is that individual pen formula iron core and three windings are arranged on the same iron core.Three windings that are 3-phase autotransformer are shared iron core with an individual pen formula iron core, the different normally opened contact of each tap on the same winding and same contactor connects, and makes different normally opened contact on the conducting of the tap on winding of a contactor control and this contactor control different tap on this winding.
Owing to having adopted individual pen formula iron core and three windings being arranged on the same iron core, it is the three-phase equilibrium that the electric current when making the three-phase power consumption uneven on the shared winding changes the electric current variation that is reflected on the series connection winding.With three phase windings in the prior art on different iron cores or the different magnetic circuit and cause the three-phase power consumption inconsistent and the also inconsistent phenomenon of electric current that be reflected on the series connection winding is compared, the power consumption of the utility model on can three characteristics of the middle term circuit is uneven and produce pollution to electrical network.
The three phase mains electricity-saving appliance that the utility model provides, in said 3-phase autotransformer, the series connection winding sectional area of each winding is more than 8 times of shared winding sectional area, make electricity-saving appliance itself damage after, the series connection winding also can not be useed as lead by damage and continue to power to the user.
The three phase mains electricity-saving appliance that the utility model provides, in said 3-phase autotransformer, each winding coil adopts special-purpose no internal resistance electromagnetic wire, and promptly the copper material purity of wave enamel is more than 99%.
Description of drawings
Accompanying drawing is the circuit diagram of the utility model one embodiment, among the figure: A-ammeter, A
i, B
i, C
iThe input of-A, B, C three-phase, A
o, B
o, C
o-A, B, the output of C three-phase, D1-power saving operation indicator light, the D2-power supply indicator, J1, J2, J3-contactor (line bag, element as an electrical connection in description refers to the line bag, as a functional element finger tentaculum), J11, J12, the normally opened contact of J13-J1 in the terminal tap of each phase secondary winding, J21, J22, J23-J2 is the normally opened contact in the tap of road in each phase secondary winding, J31, J32, J33-J3 is normally opened contact in each phase secondary winding tap one tunnel tap, J14, J24, J34-J1, J2, J3 is connected on the normally opened contact on the D1 circuit respectively, J25, J35-J2, J3 is connected on the normally-closed contact on the J1 power path, J15, J36-J1, J3 is connected on the normally-closed contact on the J2 power path, J16, J26-J1, J2 is connected on the normally-closed contact on the J3 power path, K1-hand/automatic transfer switch, J1 when K2-is manual, J2, J3 on/off diverter switch, L11, L21, the L3 1-winding that respectively is in series, L12, L22, each mutually shared winding (secondary winding) of L32-, N
i, N
oZero line on-input, the output circuit, T-iron core, V-voltmeter, ZK-automatic control unit.
Embodiment
A three phase mains electricity-saving appliance has shell, and shell biside plate and back side panel have louvre, and two indicator lights are arranged on the shell front side door-plate, is respectively power supply indicator D2 and power saving operation indicator light D1, they light respectively that expression does not have a power failure and power saving operation is normal.A main individual pen formula 3-phase autotransformer, the single ZK of control and three contactor J1, J2, J3 automatically, two three diverter switch K1, K2, the outer shell joint installed on the installing rack in the shell.Input and output are three-phase and four-line, wherein are input as A
i, B
i, C
iThree-phase and zero line N
i, be output as A
o, B
o, C
oThree-phase and zero line N
oAn ammeter A wherein has been installed on A phase input, voltmeter V has been installed between A phase input and zero line, power supply indicator D2 has been installed between A phase input and zero line.On an individual pen iron core T with 4mm * 6mm enamel-cover copper bar coiling three series connection winding L 11, L21, L31, the two ends of each winding of connecting connect the input and the output of each phase respectively, on this free hand drawing iron core T also be with the diameter 1.76mm the enamelled wire coiling shared winding L 12, L22, L32, one end of each shared winding connects each phase output terminal, and the other end connects zero line respectively behind three normally opened contact J11, the J12 of a contactor J1, J13.At shared winding, promptly also have two taps in the secondary winding, from and the output phase line between how many meters of the number of turn, the number of turn is many be called in the road tap, the number of turn is few is called one tunnel tap.Have three normally opened contact J21, J22, the J23 of another contactor J2 to be connected between middle road tap and the zero line, three normally opened contact J31, J32, the J33 of the 3rd contactor J3 are connected between one tunnel tap and the zero line.Drawing a lead from A phase input is connected with the live wire pin of proficiency/automatic transfer switch K1, hand/automatic transfer switch is one or three diverter switches, its three switch power supply wiring pin, that pin connects an automatic control unit ZK respectively manually economize on electricity by-pass cock K2 the live wire pin and open circuit, manually the economize on electricity by-pass cock is one or three diverter switches, and its three switch pin and connect three contactor line bag J1, J2, J3 respectively.Automatic control unit uses 380 volts of supply voltages, so its another power supply wiring pin and B input connection mutually.Automatic control unit has voltage comparator device and economize on electricity regulating command device, said voltage comparator device is to compare with voltage sample value and standard voltage value, draw a voltage differential signal, and economize on electricity regulating command device is being connected according to which output pin of voltage differential signal decision conducting and power supply, automatic control unit has three output pins, connects three contactor line bag J1, J2, J3 respectively.The other end of each contactor line bag connects zero line, also is serially connected with a normally-closed contact of two contactors in addition on the power path of each contactor line bag, promptly is connected in series with the normally-closed contact J25 of J2 and the normally-closed contact J35 of J3 on the J1 power path; Be connected in series with the normally-closed contact J15 of J1 and the normally-closed contact J36 of J3 on the J2 power path; Be connected in series with the normally-closed contact J16 of J1 and the normally-closed contact J26 of J2 on the J3 power path, start two contactors to avoid misoperation simultaneously.There is the parallel circuits of each normally opened contact of power saving operation indicator light and three contactors to be in series to be connected on A mutually between input and the zero line.Certainly, at input three cutter through transport locks and necessary protective device have been installed also.
During work, can use hand/automatic transfer switch to select automatic or manual, which grade be contactor on/off diverter switch switched to as manually then comparing back (being actually) decision with standard value directly according to magnitude of voltage with the magnitude of voltage that the operator was seen; As then carrying out this operation automatically by automatic control unit.
In this example, setting 380 volts when controlling automatically is normal voltage, have four operative positions, promptly be scheduled to four switch operating voltages: 400 volts above, 390 volts, 380 volts, be lower than 380 volts, promptly as input line voltage when switching scopes for said three, automatic control unit is any contactor of conducting J1, J2, J3 and not conducting successively.Manually during control, be presented at 230 volts as voltmeter more than, 225 volts, 220 volts, be lower than 220 volts, then the on/off diverter switch switches to conducting J1, J2, J3 successively and hand/automatic transfer switch is switched to the room.
All contactors of not conducting also can make output still have power supply output when the electricity-saving appliance fault.
Claims (3)
1, a kind of three phase mains electricity-saving appliance, it is the electricity-saving appliance that constitutes by 3-phase autotransformer and voltage detecting and controling circuit, wherein shared winding has a plurality of taps in three phase windings of 3-phase autotransformer, three contactors are arranged in the voltage detecting and controling circuit, each tap on each winding is connected with one of normally opened contact of three contactors respectively by phase place, and the iron core that it is characterized in that said 3-phase autotransformer is that individual pen formula iron core and three windings are arranged on the same iron core.
2, three phase mains electricity-saving appliance as claimed in claim 1 is characterized in that in said 3-phase autotransformer, and the series connection winding sectional area of each winding is more than 8 times of shared winding sectional area.
3, three phase mains electricity-saving appliance as claimed in claim 1 is characterized in that in said 3-phase autotransformer, and each winding coil adopts special-purpose no internal resistance electromagnetic wire coiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201917742U CN201118250Y (en) | 2007-11-14 | 2007-11-14 | Three phase energy supply electricity saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201917742U CN201118250Y (en) | 2007-11-14 | 2007-11-14 | Three phase energy supply electricity saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118250Y true CN201118250Y (en) | 2008-09-17 |
Family
ID=39992840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201917742U Expired - Fee Related CN201118250Y (en) | 2007-11-14 | 2007-11-14 | Three phase energy supply electricity saver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118250Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107256058A (en) * | 2017-08-04 | 2017-10-17 | 温岭阿凡达机电有限公司 | A kind of transformer switching circuit and switching method |
-
2007
- 2007-11-14 CN CNU2007201917742U patent/CN201118250Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107256058A (en) * | 2017-08-04 | 2017-10-17 | 温岭阿凡达机电有限公司 | A kind of transformer switching circuit and switching method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20080917 Termination date: 20131114 |