CN202488358U - Novel magnetic voltage controlled power supply - Google Patents
Novel magnetic voltage controlled power supply Download PDFInfo
- Publication number
- CN202488358U CN202488358U CN2012200556771U CN201220055677U CN202488358U CN 202488358 U CN202488358 U CN 202488358U CN 2012200556771 U CN2012200556771 U CN 2012200556771U CN 201220055677 U CN201220055677 U CN 201220055677U CN 202488358 U CN202488358 U CN 202488358U
- Authority
- CN
- China
- Prior art keywords
- voltage
- shunting switch
- magnetic voltage
- power source
- phase 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
Landscapes
- Control Of Electrical Variables (AREA)
Abstract
The utility model relates to a novel magnetic voltage-controlled power supply. Since the existing magnetic voltage-controlled power supply is high in power consumption, power saving is needed urgently. The novel magnetic voltage controlled power supply comprises a three-phase transformer and three adjustable electric reactors. Primary coils of respective phase of the three-phase transformer are provided with a plurality of taps and tap switches, the tap switches comprise a movable contact and a plurality of static contacts, each tap is a static contact, the movable contact chooses a position to be connected with the static contact, an output voltage is coarsely adjusted by adjusting the tap switches, partial voltages of the adjustable electric reactors are adjusted and the output voltage is finely adjusted by controlling the direct current of the adjustable electric reactors. The novel magnetic voltage-controlled power supply has the advantages of simple structure, convenience to adjust voltage and obvious power-saving effect, is widely applied to various electric equipment needing voltage regulating, and is especially suitable for large-scale electric equipment.
Description
Technical field
The utility model relates to a kind of new-type magnetic voltage controller power source.
Background technology
As shown in Figure 1, existing magnetic voltage controller power source comprises that the AC coil of three-phase transformer 1 and 2, three REgulatable reactors 2 of three REgulatable reactors is connected in the input power cord A phase of three-phase transformer 1 respectively, B goes up with C mutually mutually.During use,, change output voltage, satisfy and produce and living needs through regulating the electric current in the REgulatable reactor dc coil.
When the electric current in the REgulatable reactor dc coil was 0, the three-phase transformer output voltage was very little, but can not be 0; Electric current in the REgulatable reactor dc coil strengthens gradually, and magnetic voltage controller power source output voltage strengthens gradually, and the electric current in the REgulatable reactor dc coil reaches in limited time, and magnetic voltage controller power source output voltage reaches the upper limit.
This structure magnetic voltage controller power source can be realized stepless transformation, and the output voltage curve smoothing is the indispensable power supply of industrial equipments such as resistance furnace; But this magnetic voltage controller power source is often used for large-scale electric equipment; Power consumption is big, and the economize on electricity demand is urgent, and can not export 0 voltage.
The utility model content
The technical problem that the utility model will solve is the above-mentioned defective that how to overcome prior art, and a kind of new-type magnetic voltage controller power source is provided.
For solving the problems of the technologies described above, this new-type magnetic voltage controller power source comprises three-phase transformer and three REgulatable reactors, and input power cord A phase, B that the AC coil of three REgulatable reactors is connected in three-phase transformer respectively go up with C mutually mutually; It is characterized in that: each the phase primary coil or the secondary coil of three-phase transformer are provided with a plurality of taps, and are furnished with shunting switch, and shunting switch comprises a moving contact and a plurality of fixed contact; Each tap constitutes a fixed contact; Moving contact is selected a ground and is connected fixed contact, through the adjustment shunting switch, output voltage is carried out coarse adjustment; Direct current through the control REgulatable reactor carries out accurate adjustment to output voltage.So design during work, is at first regulated the shunting switch on the three-phase transformer, and output voltage is carried out coarse adjustment, carries out accurate adjustment with REgulatable reactor then.Under the prerequisite that satisfies the pressure regulation needs, reduce the overcurrent number of turn of REgulatable reactor AC coil as far as possible, reduce the NOT function power consumption on the REgulatable reactor." a plurality of " among this paper are meant two or more.
As optimization, except that a plurality of fixed contacts, said shunting switch also is provided with off state, and under off state, moving contact does not contact with all fixed contacts.So design can be exported 0 voltage.
As optimization, said tap setting on each phase primary coil, as: in each phase primary coil stage casing and end a tap is set respectively.So design, two-stage pressure-regulating, comparatively convenient.
As optimization, the AC coil stage casing of said REgulatable reactor and end are respectively equipped with two taps, and are furnished with shunting switch.When the load voltage changes in demand is big, keep the more overcurrent number of turn of REgulatable reactor AC coil, the proof load voltage requirements; Load voltage demand fluctuation hour reduces the more overcurrent number of turn of REgulatable reactor AC coil, thereby further reaches power savings.
As optimization, the interlock of the moving contact of the shunting switch of all REgulatable reactors.So design, three-phase alternating current is adjusted synchronously, and is convenient.
This new-type magnetic voltage controller power source is the power-saving method of resistance furnace power supply, comprises the steps:
One, ignition phase
1). needing output voltage is 0 o'clock, and the shunting switch of three-phase transformer is transferred to off state;
2). during pressure regulation, the DC control electric current with REgulatable reactor is adjusted into 0 earlier, and the shunting switch with three-phase transformer transfers to low pressure output shelves then, carries out coarse adjustment, makes three-phase transformer output voltage≤load voltage demand;
3). through the direct current of control REgulatable reactor, output voltage is carried out accurate adjustment again, make the three-phase transformer output voltage satisfy loading demand;
4). if after the accurate adjustment, the three-phase transformer output voltage still needs further to raise, and returns the 2nd) step, three-phase transformer is transferred to high voltage output shelves, readjust, and the like, through continuous adjustment, satisfy the demand that the ignition phase load voltage rises steadily;
Two, the ordinary production stage
Through the shunting switch of adjustment three-phase transformer, change the overcurrent number of turn of three-phase transformer primary coil, increase the output voltage of three-phase transformer, adjust the shunting switch on the REgulatable reactor simultaneously, the overcurrent number of turn of the AC coil of reduction REgulatable reactor.
This new-type magnetic voltage controller power source has simple in structure, and pressure regulation is convenient, and the tangible advantage of power savings is used this new-type magnetic voltage controller power source, can economize on electricity 10～15%.Extensively be suitable for being particularly suitable for the supporting use of large-scale electric equipment on the various power consumption equipments that need pressure regulation.
To have a daily output of 7 tons needle punched blanket resistance furnace is example, adopt the utility model magnetic voltage controller power source before, one ton of needle punched blanket of average every production; About power consumption 3100KWh, behind employing the utility model magnetic voltage controller power source, the same production cycle; Under the same output; One ton of needle punched blanket of average every production, power consumption 2620KWh, economize on electricity 15.5%.
Description of drawings
Below in conjunction with accompanying drawing this new-type magnetic voltage controller power source is described further:
Fig. 1 is the structural representation of existing new-type magnetic voltage controller power source;
Fig. 2 is the sketch map of this new-type magnetic voltage controller power source execution mode one at ignition phase;
Fig. 3 is the sketch map of the execution mode two of this new-type magnetic voltage controller power source in the ordinary production stage.
Among the figure: 1 is that three-phase transformer, 2 is that REgulatable reactor, 3 is shunting switch.
Embodiment
Execution mode one: as shown in Figure 2, this new-type magnetic voltage controller power source comprises that the AC coil of three-phase transformer 1 and 2, three REgulatable reactors 2 of three REgulatable reactors is connected in the input power cord A phase of three-phase transformer respectively, B goes up with C mutually mutually; It is characterized in that: each the phase primary coil stage casing and the end of three-phase transformer 1 are respectively equipped with two taps, and are furnished with shunting switch 3, and shunting switch 3 comprises a moving contact and two fixed contacts; Each tap constitutes a fixed contact; Moving contact is selected a ground and is connected fixed contact, through adjustment shunting switch 3, output voltage is carried out coarse adjustment; Direct current through control REgulatable reactor 2 carries out accurate adjustment to output voltage.
Except that a plurality of fixed contacts, said shunting switch 3 also is provided with off state, and under off state, moving contact does not contact with all fixed contacts.
Execution mode two: as shown in Figure 3: the AC coil stage casing of said REgulatable reactor 2 and end are respectively equipped with two taps, and are furnished with shunting switch 3.The moving contact interlock of the shunting switch 3 of all REgulatable reactors 2, all the other structures are shown in enforcement mode one.
This new-type magnetic voltage controller power source is the power-saving method of resistance furnace power supply, comprises the steps:
One, ignition phase
1). needing output voltage is 0 o'clock, and the shunting switch 3 of three-phase transformer 1 is transferred to off state;
2). during pressure regulation, the DC control electric current with REgulatable reactor 2 is adjusted into 0 earlier, and the shunting switch 3 with three-phase transformer transfers to low pressure output shelves then, carries out coarse adjustment, makes three-phase transformer 1 output voltage≤load voltage demand;
3). through the direct current of control REgulatable reactor 2, output voltage is carried out accurate adjustment again, make three-phase transformer 1 output voltage satisfy loading demand;
4). if after the accurate adjustment, three-phase transformer 1 output voltage still needs further to raise, and returns the 2nd) step, with three-phase transformer 1 to high voltage output shelves, readjust, and the like, through continuous adjustment, satisfy the demand that the ignition phase load voltage rises steadily;
Two, the ordinary production stage
Shunting switch 3 through adjustment three-phase transformer 1; Change the overcurrent number of turn of three-phase transformer 1 primary coil; Increase the output voltage of three-phase transformer 1, adjust the shunting switch 3 on the REgulatable reactor 2 simultaneously, the overcurrent number of turn of the AC coil of reduction REgulatable reactor 2.
Claims (5)
1. a new-type magnetic voltage controller power source comprises three-phase transformer and three REgulatable reactors, and input power cord A phase, B that the AC coil of three REgulatable reactors is connected in three-phase transformer respectively go up with C mutually mutually; It is characterized in that: each the phase primary coil or the secondary coil of three-phase transformer are provided with a plurality of taps, and are furnished with shunting switch, and shunting switch comprises a moving contact and a plurality of fixed contact; Each tap constitutes a fixed contact; Moving contact is selected a ground and is connected fixed contact, through the adjustment shunting switch, output voltage is carried out coarse adjustment; Direct current through the control REgulatable reactor carries out accurate adjustment to output voltage.
2. new-type magnetic voltage controller power source according to claim 1 is characterized in that: except that a plurality of fixed contacts, said shunting switch also is provided with off state, and under off state, moving contact does not contact with all fixed contacts.
3. new-type magnetic voltage controller power source according to claim 1 and 2 is characterized in that: said tap setting is on each phase primary coil.
4. new-type magnetic voltage controller power source according to claim 3 is characterized in that: the AC coil stage casing of said REgulatable reactor and end are respectively equipped with two taps, and are furnished with shunting switch.
5. new-type magnetic voltage controller power source according to claim 4 is characterized in that: the moving contact interlock of the shunting switch of all REgulatable reactors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200556771U CN202488358U (en) | 2012-02-21 | 2012-02-21 | Novel magnetic voltage controlled power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200556771U CN202488358U (en) | 2012-02-21 | 2012-02-21 | Novel magnetic voltage controlled power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202488358U true CN202488358U (en) | 2012-10-10 |
Family
ID=46962746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200556771U Expired - Fee Related CN202488358U (en) | 2012-02-21 | 2012-02-21 | Novel magnetic voltage controlled power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202488358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259417A (en) * | 2012-02-21 | 2013-08-21 | 陈守君 | Novel magnetic voltage regulating power source and electricity-saving method thereof |
| CN103280303A (en) * | 2013-05-29 | 2013-09-04 | 卧龙电气集团股份有限公司 | Double series-parallel connection conversion wiring device of oil-immersed transformer |
-
2012
- 2012-02-21 CN CN2012200556771U patent/CN202488358U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259417A (en) * | 2012-02-21 | 2013-08-21 | 陈守君 | Novel magnetic voltage regulating power source and electricity-saving method thereof |
| CN103259417B (en) * | 2012-02-21 | 2016-04-20 | 淄博顺拓电气有限公司 | Novel magnetic voltage controller power source and power-saving method thereof |
| CN103280303A (en) * | 2013-05-29 | 2013-09-04 | 卧龙电气集团股份有限公司 | Double series-parallel connection conversion wiring device of oil-immersed transformer |
| CN103280303B (en) * | 2013-05-29 | 2016-01-27 | 卧龙电气集团股份有限公司 | Double series-parallel connection conversion wiring device of oil-immersed transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103259417B (en) | Novel magnetic voltage controller power source and power-saving method thereof | |
| CN105336481A (en) | 36-level high-precision capacitance and voltage adjusting transformer for distributing line | |
| CN104377702A (en) | Reversible adjustment dynamic voltage adjuster | |
| CN204046418U (en) | A kind of power supply power consumption control module | |
| CN202488358U (en) | Novel magnetic voltage controlled power supply | |
| CN201364801Y (en) | Flux cancellation reactor | |
| CN103259416B (en) | Magnetic voltage controller power source and power-saving method thereof | |
| CN204302845U (en) | A kind of simple nc adjustable DC power supply | |
| CN104752042A (en) | Clearance iron core reactor with load switch or no-load switch and adjusting method thereof | |
| CN210051827U (en) | High-power frequency converter test system | |
| CN202221895U (en) | High-voltage power-stabilizing power source | |
| CN104184337A (en) | Alternating current stabilized voltage supply for adjusting compensating voltages through alternating current chopped waves in two-way mode | |
| CN103944423B (en) | A kind of stepless load type potential regulator | |
| CN205122371U (en) | 36 level high accuracy distribution lines transfers and holds powerstat | |
| CN202488355U (en) | Magnetic voltage-regulating power supply | |
| CN104467431B (en) | Dynamic voltage scaling power control | |
| CN201846299U (en) | High-pressure soft start, voltage-stabilizing and voltage-regulating device of compensator transformer | |
| CN204205605U (en) | Intelligent low-pressure electricity-saving cabinet | |
| CN101640958A (en) | Variac type non-contact shift voltage-reduction power saver for low-voltage lighting | |
| CN203858969U (en) | Double-capacitance stepless on-load tap-changing transformer | |
| CN202906769U (en) | A computer switching power supply | |
| CN204992589U (en) | Three -phase AC intelligent control circuit | |
| CN203225667U (en) | High-power-factor low-ripple electrophoretic coating rectifying device | |
| CN201285691Y (en) | Shifting coil type compensation transformer | |
| CN213070888U (en) | Step-down transformer with compensation type zero setting line tap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20150221 |
|
| EXPY | Termination of patent right or utility model |