CN203481024U - Intelligent voltage-adjusting capacity-adjusting transformer - Google Patents
Intelligent voltage-adjusting capacity-adjusting transformer Download PDFInfo
- Publication number
- CN203481024U CN203481024U CN201320502387.1U CN201320502387U CN203481024U CN 203481024 U CN203481024 U CN 203481024U CN 201320502387 U CN201320502387 U CN 201320502387U CN 203481024 U CN203481024 U CN 203481024U
- Authority
- CN
- China
- Prior art keywords
- transformer
- low
- capacity
- voltage
- adjusting
- 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
- Housings And Mounting Of Transformers (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The utility model discloses an intelligent voltage-adjusting capacity-adjusting transformer which comprises a high-voltage winding and a low-voltage winding. The high-voltage winding and the low-voltage winding are arranged in a shell body of the transformer. The low-voltage winding is divided into a section I, a section II and a section III, the three-phase high-voltage winding is connected to be in a triangle shape when capacity is high, and the three-phase high-voltage winding is connected to be in a star shape when capacity is low. The section II and the section III of the low-voltage winding are connected in parallel and then are connected in series with the section I when capacity is high, when capacity is low, the section I, the section II and the section III of the low-voltage winding are connected in series, and conversion of high capacity and low capacity is completed by a non-excitation capacity-adjusting switch. A voltage-adjusting switch is arranged in a transformer oil tank and adjusts the amplitude of voltages during voltage fluctuation. The intelligent voltage-adjusting capacity-adjusting transformer effectively solves the problem that according to a common transformer, the phenomenon that a large horse pulls a small cart exists, power grid three phases are not balanced, and tail end voltages are low, and the operation cost of the intelligent voltage-adjusting capacity-adjusting transformer can be lowered by more than 30%.
Description
Technical field
The utility model relates to a kind of transformer, specifically a kind of intelligent pressure regulating capacitance-adjustable transformer.
Background technology
At present, when selecting distribution transformer, owing to lacking scientific analysis, calculate, " low load with strong power " phenomenon ubiquity, only probably selects transformer capacity according to electricity consumption amount, does not have scientific basis, do not consider if selection capacity is excessive, the phenomenon that there will be " low load with strong power ", this not only can increase one-time investment, and has increased no-load loss.
If selection capacity is too little, can cause transformer overload operation, crossing load-loss increases, and finally causes burning transformer., when selecting distribution transformer capacity, should select by actual load and rural power development plan in 5～10 years for this reason, generally by 45%～70% of transformer capacity, select.In addition, consider that there is the power consumption characteristics of himself in rural area, be subject to the large impact of fluctuating of the strong and power load of seasonality, timeliness, village with good conditionsi adopts mother and sons' transformer-supplied at present, to meet the demand of Various Seasonal, different time.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of power distribution network optimization operation, intelligent pressure regulating capacitance-adjustable transformer of energy savings of making.
In order to solve above-mentioned, it is technical problem, the technical solution of the utility model is: a kind of intelligent pressure regulating capacitance-adjustable transformer, comprise the high pressure winding and the low pressure winding that are arranged in its housing, described low pressure winding is divided into tri-sections of I, II, III, during large capacity, three-phase high-voltage winding is connected into triangle, connects as star during low capacity; During large capacity, after the II of low pressure winding, the parallel connection of III section, connect with I section again, the I of low pressure winding, II, tri-sections of series connection of III during low capacity, the conversion of large capacity and low capacity is by completing without excitation capacitance switch; In oil tank of transformer, also configure tap changer, tap changer regulation voltage height when voltage fluctuation.
Described transformer also disposes meticulous compensating unit, and described meticulous compensating unit configures the low voltage parallel capacitor of 36 2kvar, and adopts the switching of 36 code synchronism switch control capacitors.
While being adjusted to low capacity by large capacity, low pressure umber of turn increases, and high pressure winding becomes Y connection and phase voltage reduction simultaneously, and number of turn increase is suitable with the multiple of lower voltage, can guarantee that output voltage is constant.
The change of high pressure winding connection way, low pressure winding also, the conversion of series connection and the adjustment of each tap part be by special completing without excitation capacitance switch.Meanwhile, when large capacity is adjusted to low capacity, due to the increase of the low pressure number of turn, magnetic flux density unshakable in one's determination significantly reduces, and silicon steel sheet specific loss is diminished, and no-load loss and no-load current have also just reduced, and reach the object of wastage reducing and energy saving.
Described transformer also disposes intelligent monitoring unit, and described intelligent monitoring unit is built-in has GPRS wireless telecommunications.
Low-pressure side equipped with permanent magnetism mechanism vacuum switch in described oil tank of transformer.
In described transformer, be provided with negative control switch.
Described transformer is provided with voltage monitor, and the monitor signal of described voltage monitor is controlled tap changer action.
The utility model effectively solves common transformer " low load with strong power ", electrical network three-phase imbalance, problem that terminal voltage is low.Intelligent pressure regulating capacitance-adjustable transformer operating cost can reduce more than 30%.Intelligent pressure regulating capacitance-adjustable transformer is by transformer body, on-load voltage regulation capacity transfer, intelligent monitoring unit and meticulous compensating unit integrator, structural design compact and reasonable.GPRS wireless telecommunications are used at intelligent pressure regulating capacitance-adjustable transformer, the intelligent monitoring unit of transformer configuration and body integral structure, the built-in intelligent monitoring terminal with GPRS wireless communication function, coordinates operation and circuit and the equipment information management that can realize equipment with daemon software.Intelligent pressure regulating capacitance-adjustable transformer management system realize transformer automatically-monitored, management.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, built-in capacitance switch, tap changer and negative control switch in intelligent pressure regulating capacitance-adjustable transformer body fuel tank, three switch combinations are integrated, it is the negative control of the pressure regulating and capacitance regulating unit switch 3 in Fig. 1, can realize on the spot and remote electric stops power transmission function capacity transfer function automatically, automatic Regulation function, low-voltage reactive power automatic compensation function, regulates the meritorious uneven function of three-phase and monitoring power distribution function.Fig. 1 has comprised exposed high voltage porcelain bushing 1, current transformer 2 outside case, and transformer coil 4.
High pressure winding in transformer shell and low pressure winding, described low pressure winding is divided into tri-sections of I, II, III, and during large capacity, three-phase high-voltage winding is connected into triangle, connects as star during low capacity; During large capacity, after the II of low pressure winding, the parallel connection of III section, connect with I section again, the I of low pressure winding, II, tri-sections of series connection of III during low capacity, the conversion of large capacity and low capacity is by completing without excitation capacitance switch; In oil tank of transformer, also configure tap changer, tap changer regulation voltage height when voltage fluctuation.The capacitance switch of configuration in transformer body fuel tank is automatically adjusted to transformer large capacity shelves operation when the period peak of power load, automatically transformer is adjusted to the operation of low capacity shelves when the period low ebb of power load, effectively reduces transformer loss.
Configuration tap changer in transformer body fuel tank, when voltage fluctuation, automatic regulation voltage height, makes transformer voltage stable output in acceptability limit, promotes power supply quality.
Oil tank of transformer seals completely, and in fuel tank, transformer oil and atmosphere insulate completely, can effectively prevent the invasion of air and moisture, slow down the aging of the insulating material such as oil, paper, extends the useful life of transformer.
Low-pressure side configuration permanent magnetic actuator vacuum switch in transformer body fuel tank, can realize electronicly on the spot stop power transmission, closely remote control stops power transmission, long-range wireless remote control stops power transmission function.
There is overcurrent, short trouble in transformer body and circuit or load, negative control switch automatic trip the long-range warning message of uploading in transformer, and overcurrent and fast tripping protection definite value are adjustable continuously.
The meticulous compensating unit 6 of transformer configuration and body integral structure, the low voltage parallel capacitor of 36 2kvar of configuration, adopt the switching of 36 code synchronism switch control capacitors, by shifting meritorious method at the alternate access suitable quantity of difference capacitor, in compensating reactive power load by Three-Phase Transformer load adjustment to poised state.By the accurate control of high-speed controller, realize the operating passing zero of code synchronism switch, operation no-flashy-flow, without arc light, do not generate heat, approximate zero power consumption.
The intelligent monitoring unit 5 of transformer configuration and body integral structure, the intelligent monitoring unit of the built-in GPRS of having wireless communication function coordinates operation and circuit and the equipment information management that can realize equipment with daemon software.
In order accurately to control tap changer work, transformer is provided with voltage monitor, and the monitor signal of described voltage monitor is controlled tap changer action.
Above-described embodiment limits the utility model never in any form, and every employing is equal to replaces or technical scheme that the mode of equivalent transformation obtains all drops in protection range of the present utility model.
Claims (6)
1. an intelligent pressure regulating capacitance-adjustable transformer, comprise the high pressure winding and the low pressure winding that are arranged in its housing, it is characterized in that: described low pressure winding is divided into three sections of I, II, III, during large capacity, three-phase high-voltage winding is connected into triangle, and during low capacity, three-phase high-voltage winding connects as star; During large capacity, after the II of low pressure winding, the parallel connection of III section, connect with I section again, the I of low pressure winding, II, tri-sections of series connection of III during low capacity, the conversion of large capacity and low capacity is by completing without excitation capacitance switch; In oil tank of transformer, also configure tap changer, tap changer regulation voltage height when voltage fluctuation.
2. intelligent pressure regulating capacitance-adjustable transformer according to claim 1, it is characterized in that: described transformer also disposes meticulous compensating unit, described meticulous compensating unit configures the low voltage parallel capacitor of 36 2kvar, and adopts the switching of 36 code synchronism switch control capacitors.
3. intelligent pressure regulating capacitance-adjustable transformer according to claim 1, is characterized in that: described transformer also disposes intelligent monitoring unit, and described intelligent monitoring unit is built-in has GPRS wireless telecommunications.
4. intelligent pressure regulating capacitance-adjustable transformer according to claim 1, is characterized in that: low-pressure side equipped with permanent magnetism mechanism vacuum switch in described oil tank of transformer.
5. intelligent pressure regulating capacitance-adjustable transformer according to claim 1, is characterized in that: in described transformer, be provided with negative control switch.
6. intelligent pressure regulating capacitance-adjustable transformer according to claim 1, is characterized in that: described transformer is provided with voltage monitor, and the monitor signal of described voltage monitor is controlled tap changer action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320502387.1U CN203481024U (en) | 2013-08-15 | 2013-08-15 | Intelligent voltage-adjusting capacity-adjusting transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320502387.1U CN203481024U (en) | 2013-08-15 | 2013-08-15 | Intelligent voltage-adjusting capacity-adjusting transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481024U true CN203481024U (en) | 2014-03-12 |
Family
ID=50229307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320502387.1U Expired - Fee Related CN203481024U (en) | 2013-08-15 | 2013-08-15 | Intelligent voltage-adjusting capacity-adjusting transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481024U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269258A (en) * | 2014-09-16 | 2015-01-07 | 江西变电设备有限公司 | Intelligent on-load capacitance regulating transformer |
| CN104332294A (en) * | 2014-11-12 | 2015-02-04 | 江苏东源电器集团股份有限公司 | Intelligent amorphous alloy transformer |
| CN105845399A (en) * | 2016-05-09 | 2016-08-10 | 平高集团智能电气有限公司 | Intelligent capacity-regulation and voltage-regulation transformer |
-
2013
- 2013-08-15 CN CN201320502387.1U patent/CN203481024U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269258A (en) * | 2014-09-16 | 2015-01-07 | 江西变电设备有限公司 | Intelligent on-load capacitance regulating transformer |
| CN104332294A (en) * | 2014-11-12 | 2015-02-04 | 江苏东源电器集团股份有限公司 | Intelligent amorphous alloy transformer |
| CN105845399A (en) * | 2016-05-09 | 2016-08-10 | 平高集团智能电气有限公司 | Intelligent capacity-regulation and voltage-regulation transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203481024U (en) | Intelligent voltage-adjusting capacity-adjusting transformer | |
| Zhou et al. | A review on voltage control using on-load voltage transformer for the power grid | |
| CN203983006U (en) | Capacity and pressure regulating three-phase transformer | |
| CN202034210U (en) | Dry-type transformer capable of adjusting capacity and voltage | |
| CN201878088U (en) | Automatic voltage regulator of switching voltage regulator (SVR) line | |
| CN201222418Y (en) | Sectional type adjustable reactor | |
| CN102810867A (en) | Dynamic reactive compensation system based on magnetic control electric reactor | |
| CN104124044B (en) | A kind of capacity and pressure regulating three-phase transformer | |
| CN114285341B (en) | Transient optimization control system and method for electric electronic on-load arcless capacity-regulating transformer | |
| CN2901524Y (en) | Variable magnetic flux series and parallel regulating capacity transformer | |
| CN205051352U (en) | Intelligence is transferred and is held powerstat | |
| CN201230299Y (en) | Combination type multi-stage loaded capacity regulating box type transformer plant | |
| CN201733101U (en) | Magnetic valve control type dynamic reactive power compensator | |
| CN203522194U (en) | Electromagnetic voltage regulator | |
| CN202948828U (en) | On-load intelligent capacity adjusting transformer | |
| CN111739715A (en) | Composite transformation ratio self-adaptive intelligent current transformer device | |
| CN201667280U (en) | 20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer | |
| CN202206141U (en) | Submerged arc furnace secondary low pressure fixing and dynamic energy-saving compensation device | |
| CN201877830U (en) | Intelligent voltage-regulating power-saving device | |
| CN213070850U (en) | Composite transformation ratio self-adaptive intelligent current transformer device | |
| CN203536196U (en) | Automatic capacitance and voltage adjusting transformer | |
| CN203812709U (en) | Energy-consumption tracking mode energy-saving power transformation device | |
| CN211456697U (en) | Power-saving protection system | |
| CN101958553A (en) | No-load power factor automatic correction system of transformer | |
| CN203326611U (en) | Intelligent high-voltage reactive automatic capacity adjusting 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: 20140312 Termination date: 20210815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |