CN202758723U - De-icing transformer - Google Patents
De-icing transformer Download PDFInfo
- Publication number
- CN202758723U CN202758723U CN 201220440312 CN201220440312U CN202758723U CN 202758723 U CN202758723 U CN 202758723U CN 201220440312 CN201220440312 CN 201220440312 CN 201220440312 U CN201220440312 U CN 201220440312U CN 202758723 U CN202758723 U CN 202758723U
- Authority
- CN
- China
- Prior art keywords
- icing
- transformer
- ice
- voltage
- melt
- 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 discloses a de-icing transformer. The de-icing transformer comprises a self-couple winding (2) and an iron core (6), more than two coil branching taps (3) are arranged on the self-couple winding (2), a moving contact (4) of a load switch is in contact with one coil branching tap (3), the moving contact (4) of the load switch is connected with an output terminal (5) through a guide wire, and an input terminal (1) of the self-couple winding (2) is connected with input voltage. By means of the de-icing transformer, the problems that output voltage of conventional de-icing transformers can not meet requirements of different electric transmission lines in a fixed range, the sizes are large, the weights and costs are high, the vehicle-mounted transportation is not convenient, voltage and electric current can not respectively meet different requirements during switching and operating, and the like are solved.
Description
Technical field
The utility model relates to a kind of transformer, relates in particular to a kind of transformer for ice-melt.
Background technology
The safety of the icing serious threat electrical network on the overhead transmission line need to be carried out ice-melt to transmission line and be processed, and that adopts at present has the methods such as mode ice-melt, DC ice melting, ac short circuit ice-melt usually.During the ac short circuit ice-melt, the voltage of used power supply must adapt with the parameters such as length of icing circuit, if otherwise overtension then the electric current in the circuit is with excessive, circuit and relevant device can't bear; If brownout, then the electric current in the circuit will reduce thereupon, and this will prolong the ice-melt time even can not melt except icing.Simultaneously, its design parameter often has very big difference between the different circuits, and the power supplys such as common generator, transformer, its output voltage is everlasting in the scope of determining, requirement when being difficult for satisfying different circuit, be head it off, conventional method is that some circuit serial connections are consisted of the integral body that is called the ice-melt corridor, so that its parameter can be suitable for the voltage of power supply.The problem that exists is, the line related in ice-melt corridor must must have a power failure, and its scope is wider, scheduling, coordinates and implement comparatively complicated, and required time is also longer.Simultaneously, some circuits that there is no icing are often arranged wherein, thereby its validity of the operation of ice-melt and energy consumption is quite low.In particular cases may not consist of the condition in ice-melt corridor, thereby be difficult to tackle the threat of line ice coating.In the occasion that does not possess ice-melt corridor constitutive requirements, known method is differential and prepare the vehicular electric power source device of some quantity by certain of output voltage and capacity, and presses the design parameter of icing circuit, and the device of selecting to be fit to is used.The problem that exists is, prepared device, and its applicable circuit is less during separate unit, and some the requirements that can satisfy various different circuits must be arranged; And its acquisition cost will increase many time, and if between its capacity and the output voltage differential greatly, then poor for applicability, but required quantity can be less; Otherwise then good the but required quantity of applicability will be more.
In above-described two kinds of situations and since AC power when switching must with connection so that the electric current during switching and impact very large.Fling-cut switch is vacuum circuit-breaker in addition, thereby larger impact often can cause serious switching overvoltage, and this will be to electric power generating composition grave danger.And must collect in advance, calculate all multi-parameters of line related, thereby determine electric current that ice-melt is used and the scope of voltage.Thereby use inconveniently, and there is the factor data mistake and causes electric current the possibility of relatively large deviation to occur.
A kind of known power supply that is used for the ac short circuit ice-melt is the oil-fired power generating unit, and the adjusting range of its capacity and voltage is all little, and the ability of ice-melt and the circuit that is suitable for are limited; Weight under its unit capacity is unfavorable for more greatly vehicle-mounted transport; Its integrated cost is higher.
The another kind of known power supply that is used for the ac short circuit ice-melt is two winding transformer, the adjusting range of its separate unit output voltage and the circuit that is suitable for are limited, must prepare many table apparatus of different capabilities and voltage, could satisfy the requirement of variant circuit, this will cause high cost.
Summary of the invention
The technical problem that utility model will solve: a kind of ice-melt transformer is provided, can not satisfy the requirement of the various different transmission lines in the set scope to solve conventional ice-melt transformer output voltage, its volume, weight and cost are high, the problems such as different requirements when inconvenient vehicle-mounted transport, its voltage and current can not satisfy respectively switching with operation.
Technical solutions of the utility model:
A kind of ice-melt transformer, it comprises self coupling winding and iron core, and two above coil shunting taps are arranged on the self coupling winding, and the moving contact of loaded switch contacts with one of them coil shunting tap, the moving contact of loaded switch is connected with the lead-out terminal wire, and the input terminal of self coupling winding connects input voltage.
The beneficial effects of the utility model:
The utility model adopts the self coupling winding construction, both so that its output voltage be content with very little to the requirement of range of regulation, again so that its volume, weight and cost are able to remarkable reduction, and make its vehicle-mounted transport comparatively convenient, adopt the on-load voltage regulation mode, can under lower voltage, carry out switching, thus the electric current in the time of namely can effectively reducing switching and corresponding switching overvoltage, again so that in service can the adjustment its output voltage, thereby namely can adjust easily its output current.Like this, device possesses good reliability, and is easy to use, and for the various different circuits in set scope, the ice-melt transformer that provides just can satisfy the requirement of its ice-melt operation aspect fully; Solve conventional ice-melt transformer output voltage and can not satisfy the requirement of the various different transmission lines in the set scope, its volume, weight and cost are high, the problems such as different requirements when inconvenient vehicle-mounted transport, its voltage and current can not satisfy respectively switching with operation.
Description of drawings:
Fig. 1 the utility model electrical schematic diagram.
Embodiment:
A kind of ice-melt transformer, it comprises self coupling winding 2 and iron core 6, iron core 6 is placed in the self coupling winding 2, two above coil shunting taps 3 are arranged on the self coupling winding 2, the moving contact 4 of loaded switch contacts with one of them coil shunting tap 3, the moving contact 4 of loaded switch is connected with lead-out terminal 5 wires, and the input terminal 1 of self coupling winding 2 connects input voltage.
Shown in the drawings is three-phase alternating current ice-melt transformer electrical schematic diagram, its input terminal 1 is A, B and C terminal, lead-out terminal 5 is a, b and c terminal, terminal X, Y and the Z of self coupling winding 2 are shorted together, and its operation principle is: be considered as constant input voltage and be added on the constant self coupling winding 2 of total number of turns via input terminal 1; Thus, the general of the main flux in the iron core 6 does not change with the voltage adjustment of lead-out terminal 5.Self coupling winding 2 respectively is divided into two parts take current shunting tap 3 as the boundary, current opposite in direction in this two parts winding merges by lead-out terminal 5 outputs.Self coupling winding 2 respectively is equipped with eight identical tap sections mutually, the differential data setting on request of the voltage of each tap section, and draw one by one shunting tap 3 by the initial and end place of each tap section, when the moving contact 4 of loaded switch contacted with arbitrary shunting tap 3, lead-out terminal 5 was namely obtained the extraction voltage of corresponding shunting tap 3; Thereby pass through the change of moving contact 4 its positions of loaded switch, just can realize the adjustment of output voltage, and export electric energy to load with this adjustable voltage.
Claims (1)
1. ice-melt transformer, it comprises self coupling winding (2) and iron core (6), it is characterized in that: two above coil shunting taps (3) are arranged on the self coupling winding (2), the moving contact of loaded switch (4) contacts with one of them coil shunting tap (3), the moving contact of loaded switch (4) is connected with lead-out terminal (5) wire, and the input terminal (1) of self coupling winding (2) connects input voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440312 CN202758723U (en) | 2012-08-31 | 2012-08-31 | De-icing transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440312 CN202758723U (en) | 2012-08-31 | 2012-08-31 | De-icing transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202758723U true CN202758723U (en) | 2013-02-27 |
Family
ID=47737891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220440312 Expired - Fee Related CN202758723U (en) | 2012-08-31 | 2012-08-31 | De-icing transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202758723U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166161A (en) * | 2013-04-15 | 2013-06-19 | 都匀供电局 | Method and device for adjusting output impedance of ice melting reactor |
| CN103579985A (en) * | 2013-07-24 | 2014-02-12 | 都匀供电局 | Method and device for adjusting ice melting output voltage |
| CN105262079A (en) * | 2015-06-16 | 2016-01-20 | 贵州大学 | Transformer secondary winding inverting-based small level number characteristic power flow control device and method |
-
2012
- 2012-08-31 CN CN 201220440312 patent/CN202758723U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166161A (en) * | 2013-04-15 | 2013-06-19 | 都匀供电局 | Method and device for adjusting output impedance of ice melting reactor |
| CN103579985A (en) * | 2013-07-24 | 2014-02-12 | 都匀供电局 | Method and device for adjusting ice melting output voltage |
| CN105262079A (en) * | 2015-06-16 | 2016-01-20 | 贵州大学 | Transformer secondary winding inverting-based small level number characteristic power flow control device and method |
| CN105262079B (en) * | 2015-06-16 | 2017-09-08 | 贵州大学 | The anti-phase few series feature tidal current controller of transformer secondary winding and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103199477A (en) | Circuit alternating current (AC) ice melting method and circuit AC ice melting device | |
| CN203881870U (en) | Universal switch cabinet test vehicle | |
| CN202758723U (en) | De-icing transformer | |
| CN205647270U (en) | There is sub - powerstat of live | |
| CN208796792U (en) | A kind of traction-compensator transformer | |
| CN104752043A (en) | Voltage regulating method for three-phase loaded voltage-regulating self-coupling transformer | |
| CN109215977A (en) | A kind of traction-compensator transformer | |
| CN104716652A (en) | Magnetically controlled shunt reactor | |
| CN109066737A (en) | A kind of negative sequence compensation devices and methods therefor of traction-compensator transformer | |
| CN109065338A (en) | A kind of homo-phase traction transformer | |
| CN201215882Y (en) | Ice melting apparatus | |
| CN103680882A (en) | Self-coupling power transformer in 330kV three-phase and three-winding neutral point on-load voltage regulation mode | |
| CN203632052U (en) | A mine-used preassembled type traction rectification transformer substation | |
| CN103414242B (en) | A kind of electrified railway in-phase power supply method and standby host structure | |
| CN204271755U (en) | A kind of loaded capacity-regulated transformer station of the intelligence based on GSM remote monitoring | |
| CN207772938U (en) | A kind of flexible cophase supply device for electric railway | |
| CN203135428U (en) | Self-balanced electromagnetic and electronic fault current limiter | |
| CN104467180A (en) | Intelligent on-load capacitance regulating transformer substation based on GSM remote monitoring | |
| CN208797589U (en) | A kind of negative sequence compensation device of traction-compensator transformer | |
| CN107910835A (en) | Phase sequence combined connection box easy to adjust and phase sequence method of adjustment | |
| CN202405064U (en) | High-speed rail transformer with Dzn0 connection structure | |
| CN203180458U (en) | Self-powered ice-melting electric reactor | |
| CN201805356U (en) | Voltage regulation type rectifier transformer | |
| CN106452121A (en) | Adjustable excitation power supply of electric vibration table | |
| CN102664393A (en) | Short-circuit current limiting device |
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: 20130227 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |