CN1128395A - Transformer structure and substation apparatus - Google Patents
Transformer structure and substation apparatus Download PDFInfo
- Publication number
- CN1128395A CN1128395A CN95118747A CN95118747A CN1128395A CN 1128395 A CN1128395 A CN 1128395A CN 95118747 A CN95118747 A CN 95118747A CN 95118747 A CN95118747 A CN 95118747A CN 1128395 A CN1128395 A CN 1128395A
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- CN
- China
- Prior art keywords
- transformer
- device structure
- mentioned
- castable
- structure body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/16—Cascade transformers, e.g. for use with extra high tension
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Patch Boards (AREA)
- Transformers For Measuring Instruments (AREA)
- Insulating Of Coils (AREA)
Abstract
The invention aims at reducing the setting area of a transformer in a machine cabinet and can avoid shaking noise and heat generation at the same time. A transformer structural body is made by integrally casting a cast-molding transformer formed by casting a single-phase transformer with casting materials, a current transformator which is connected with one secondary aspect of the single-phase transformer and an instrument transformer by using casting materials. The transformer structural body is fixedly arranged in a rectangular frame according to the preset position. Two frames are longitudinally lapped and are connected with each other. A transformer electrical device formed by longitudinal lapping and connecting of the two frames is arranged in the machine cabinet. The cast-molding transformer is arranged in the frame when a winding central axis of the transformer is in a horizontal state.
Description
The present invention relates to reduce to be configured in transformer device structure and the converting equipment that the interior power distribution transformer of rack is provided with area.
The rack inside of locating to be provided with in electric substation etc. is that the center is equipped with the current transformer measuring electric current and use on demand, measures instrument that voltage uses with transformer and circuit breaker with the power distribution transformer, and each equipment connects with cable.As everyone knows, above-mentioned transformer is a kind ofly to be full of insulating oil and the transformer body is immersed oil-filled transformer in the oil in iron casing.
When using 3 single-phase transformers to carry out 3 cross streams transformations, each transformer laterally is being set up in parallel wiring under the state at present, thereby transformer occupies in rack, and that area is set is big, consequently exists the problem that rack itself needs maximization.Why like this, be because under the situation of using aforesaid oil-filled transformer, because the transformer overturning has the danger that causes fire when disasters such as generation earthquake, so this transformer can not be vertically stacked.Also should point out simultaneously the problem that the vertically stacked Maintenance and Repair that exist each transformer extremely bother.Also exist in addition on each transformer, connect respectively current transformer and instrument with operations such as transformer and circuit breakers not only numerous and diverse but also spended time, partly expose and have and make the dangerous shortcoming that increases at the rack inner high voltage simultaneously.
Fig. 9 is up to now for carrying out the transformation system circuit diagram that 3 phases and single-phase electric substation adopt, necessary a plurality of circuit breaker VCB and the switch P CS of using.Under the situation of this system, exist dangerous high such difficult point that transformer burns out when the secondary side load increases.
A scheme that solves above-mentioned variety of issue is that applicant is as the application of invention " transformer device structure and converting equipment " (No. 6-60264, special Yuanping City).The transformer device structure that application in the past relates to, as shown in Figure 7, be that to utilize with insulating material such as synthetic resin or synthetic rubber be that the mould material 1 of material waters transformer and seals into castable transformer 2, with its in accordance with regulations fixed-site in the inside of framework 3, simultaneously with a plurality of frameworks 3 by vertically stacked.In this structure, there is not leakage of oil when resembling the existing oil-filled transformer overturning fully and the danger of breaking out of fire.And since many transformer longitudinals to stacked, so just might greatly reduce to be provided with area.
In above-mentioned transformer device structure, when at framework 3 internal fixation castable transformers 2, as shown in Figure 8, be to make the central axis P of the winding 4 of transformer Tr become the plumbness configuration.Therefore,, then be in the magnetic line of force (representing) the phase mutual interference as shown in Figure 7 of the castable transformer 2,2 of upper-lower position, will make these framework 3 vibrations and produce abnormal conditions such as noise or heating with double dot dash line as a plurality of framework 3 is stacked.
The present invention is in view of the intrinsic above-mentioned shortcoming of above-mentioned prior art, propose to solve admirably the scheme of these shortcomings, its objective is reduce that transformer occupies in rack area is set and realizes miniaturization, a kind of transformer device structure and converting equipment that can prevent to produce vibrating noise and heating is provided simultaneously.
For achieving the above object, transformer device structure of the present invention is characterised in that: power distribution transformer is watered envelope with insulating material such as synthetic resin or synthetic rubber, make above-mentioned Transformer Winding central axis become under the level in accordance with regulations fixed-site in this castable transformer in framework inside, and a plurality of frameworks that above-mentioned castable transformer will be housed are vertically stacked, simultaneously many transformers interconnected.
For achieving the above object, the transformer device structure of another invention of the application is characterised in that: power distribution transformer is watered envelope with insulating material such as synthetic resin or synthetic rubber, become under the level in accordance with regulations fixed-site in framework inside at the central axis that makes above-mentioned Transformer Winding in this castable transformer, and a plurality of frameworks that above-mentioned castable transformer will be housed are vertically stacked, simultaneously many single-phase transformers pressed mutually V/V shape and connected.
For achieving the above object, the converting equipment of another invention of the application is characterised in that: will water castable transformer of being honored as a queen and constituting and the current transformer that is connected in above-mentioned transformer and instrument to power distribution transformer with insulating material such as synthetic resin or synthetic rubber and integrally water with insulating material such as synthetic resin or synthetic rubber with transformer again and seal into the transformer device structure body, this transformer device structure body in that being become, above-mentioned Transformer Winding central axis is configured in framework inside under the level, a plurality of above-mentioned frameworks are vertically stacked, the transformer that will be configured in simultaneously in the transformer device structure body in each framework interconnects, and will be configured in the rack by the transformation device that above step is assembled into.
Fig. 1 is the front view that the simple structure of converting equipment of the transformer device structure among the embodiment is adopted in expression.
Fig. 2 is the key diagram of the simple structure of transformation device among the expression embodiment.
Fig. 3 is the key diagram of the castable transformer internal structure among the expression embodiment.
Fig. 4 is the transformer connection figure among the embodiment.
Fig. 5 is the transformation device circuit diagram among the embodiment.
Fig. 6 is the front view that the simple structure of converting equipment of the transformer device structure among another embodiment is adopted in expression.
Fig. 7 is that the applicant front view of the simple structure of converting equipment of the transformer device structure of application is in the past adopted in expression.
Fig. 8 is the key diagram of expression castable transformer internal structure shown in Figure 7.
Fig. 9 is the transformation system circuit diagram that prior art relates to.Symbol description:
10 racks, 12 transformer device structure bodies
14 frameworks, 16 transformation devices
23 castable transformers, 26 mould materials
28 mould materials, 30 windings
Tr transformer CT current transformer
PT instrument transformer VCB circuit breaker
The P central axis
Following one side is enumerated optimal example on one side with reference to accompanying drawing transformer device structure of the present invention and converting equipment is described.
Fig. 1 is the simple structure chart of converting equipment that adopts the transformer device structure that embodiment relates to.The transformation device 16 that framework 14,14 vertical stacked connections of transformer device structure body 12 is housed respectively and constitutes is configured in the inside of rack 10.As shown in the figure, framework 14 is made rectangular frame shape, transformer device structure body 12 in accordance with regulations fixed-site between top frame member 18 and bottom frame member 20.And the framework 14 of the framework 14 of upside and downside is by being bound up bottom frame member 20 and top frame member 18 usefulness nuts in several fixed-site.
The single-phase transformer Tr that above-mentioned transformer device structure body 12 is used by distribution, current transformer CT and instrument constitute with transformer PT, and these devices interconnect.Promptly as shown in Figure 2, utilization is that the mould material 26 of material waters envelope with single-phase transformer Tr and constitutes castable transformer 23, primary side connection current transformer CT and the instrument transformer PT of the single-phase transformer Tr in this castable transformer 23 with the insulating material.Castable transformer 23, current transformer CT and instrument utilize with these 3 parts of transformer PT again and water envelope with insulating material such as synthetic resin or synthetic rubber as the mould material 28 of material and constitute an integral body, make its high-pressure section not be exposed to the outside.That is to say, utilize mould material 28 to water the transformer device structure body 12 made of envelope, do not have leakage of oil when resembling the existing oil-filled transformer overturning fully and the danger of breaking out of fire, thereby be the structure of extremely safe.Preferably use synthetic resin or synthetic rubber such as butyl rubber, ethylene propylene rubber such as epoxy resin, polyester as mould material 26,28.
Above-mentioned castable transformer 23 as shown in Figure 3, becomes under the level to be configured in framework 14 inside at the central axis P that makes the winding 30 that constitutes transformer Tr.So, just can prevent under stacked state as shown in Figure 1 the interference of the magnetic line of force (representing) that produces by the castable transformer 23,23 that is in upper-lower position with double dot dash line with transformer device structure body 12,12.Therefore can prevent to disturb vibrating noise and the heating that produces because of the magnetic line of force.
The ammeter A that above-mentioned current transformer CT is connected and the voltmeter V that above-mentioned instrument is connected with transformer PT are configured in the outside of mould material 28.This ammeter A and voltmeter V use can be with the digital instrument of little amperometric determination.With mould material 28 in current transformer CT, instrument be provided with through hole with the corresponding position of transformer PT, also can improve radiating effect.
The single-phase transformer Tr in the castable transformer 23 of superposed transformer device structure body 12 and the single-phase transformer Tr of the castable transformer 23 of the transformer device structure body 12 that is positioned at the bottom, its structure as shown in Figure 4, for V/V shape connects, carry out 3 cross streams transformations by U, V, W-u, v, w, take out single phase alternating current (A.C.) from o.In an embodiment, dispose for example single-phase transformer Tr of 200KVA at upside, dispose for example single-phase transformer Tr of 300KVA at downside simultaneously, the V/V shape that constitutes different capabilities connects.
As shown in Figure 2, in upside transformer device structure body 12, be connected the current transformer CT of the single-phase transformer Tr primary side in the castable transformer 23 and instrument with circuit breaker VCB is housed on the transformer PT.Circuit breaker VCB is provided with separately respectively with transformer device structure body 12 in an embodiment, but this circuit breaker VCB also can water Feng Chengyi integral body with transformer device structure body 12.Shown in the circuit diagram among Fig. 5,, can adapt to the load that is added in transformer Tr secondary side in addition, burn out so can prevent transformer Tr because the transformation device 16 of embodiment is extremely simple.Symbol 32 expressions among Fig. 1 are arranged on the blowers such as cooling fan in the rack 10, utilize this blower 32 that extraneous air is imported in the rack 10, realize the air cooling effect whereby.Also be provided with the exhaust portion (not drawing among the figure) of inner air in the side of rack 10.Blower 32 also can be arranged on the framework 14 that transformer device structure body 12 is housed, and makes air directly blow to transformer device structure body 12.Can a pair of blower 32 be set the both sides of clamping transformer device structure body 12 (about, up and down, front and back) in addition, by the blower 32 of a side air be blowed to transformer device structure body 12, and air is extracted out, can improve cooling effectiveness by the blower 32 of opposite side.
In the converting equipment that as above constitutes, owing to utilizing mould material 28 to water Feng Chengyi integral body with transformer PT, castable transformer 23, current transformer CT and instrument constitute transformer device structure body 12, so there is not danger fully because of these structure 12 overturning breaking out of fires, so just might a plurality of transformer device structure body 12,12 is vertically stacked.Therefore, can reduce transformer shared area that is provided with in rack 10, so just can make rack 10 miniaturizations.Because this rack 10 can be arranged on outdoor and indoor any position, thus can because of be provided with area reduce can effectively utilize the space that the place is set.Owing to can adapt to 3 phases and single-phase, has the advantage of enough 1 transformer device structure body, the 12 supply wiring systems of energy with 2 single-phase transformer Tr.In addition, under the stacked state of transformer device structure body 12,12, can prevent the interference of the magnetic line of force that castable transformer 23,23 produces, thereby can prevent to disturb vibrating noise and the heating that produces because of the magnetic line of force.
Above-mentioned a plurality of transformer device structure body 12,12 only is by framework 14,14 fastened to each other linking together, so upside is that 200KVA, downside are the transformation device 16 of the transformer Tr of 300KVA for for example disposing, can assemble simply at short notice and for example be replaced with that upside is that 300KVA, downside are the transformer Tr of 500KVA, but thereby reduction of erection time and minimizing expense.In addition,, current transformer CT and instrument interiorly can improve its endurance life because of also watering to be enclosed in transformer PT, thus almost Maintenance free maintenance, even vertically stacked its operation does not bother yet.Therefore, need hardly to repair and use parts, can reduce operating cost.Owing to do not expose, when each equipment of cleaning and Maintenance and Repair formation transformation device 16,, the operating personnel also can carry out operation safely even entering the inside of rack 10 in rack 10 inner high voltages part.In addition, because of transformer device structure body 12,12 is easy to assembling, so, can carry out the capacity change of whole device simply by assembling the transformer device structure body 12 of changing the single-phase transformer Tr that disposes different capabilities.Because of transformer Tr, current transformer CT and instrument concentrate in together with transformer PT, so also have the advantage of effectively utilizing the inner space.And since high-pressure section be molded fully material 28 water be enclosed in, so also can save rack 10 transformer device structure body 12 itself directly installed and to be provided with.
2 situations that the transformer device structure body is stacked that will have single-phase transformer have been described in an embodiment, but as shown in Figure 6, also can be with 3 stacked laying of transformer device structure body with single-phase transformer.Further with the transformer device structure body more than 4 stacked also be possible.In addition, also can the transformer device structure body that dispose 3 phase transformer is stacked, the transformer device structure body that maybe will have single-phase transformer stacks together with the transformer device structure body with 3 phase transformer.Also AVR (automatic tension regulator) and integral body such as LRD or WW can be watered and be enclosed in transformer device structure body inside.
As mentioned above, according to transformer device structure of the present invention and converting equipment, water the castable transformer that seals owing to adopt with insulating material, thereby can greatly reduce to be provided with area with many transformer longitudinals to stacked.And owing to the central axis that will constitute the winding of transformer is configured to level, so can prevent to be in the interference of the magnetic line of force that the castable transformer of upper-lower position produces, thereby can prevent from admirably to disturb vibrating noise and the heating that produces because of the magnetic line of force.That is to say, be very effective to the converting equipment that uses the very high voltage transformer.
In addition, can only connect during owing to assembling the framework of transformer is housed, so can shorten the activity duration.And, because transformer, current transformer and instrument water Feng Chengyi integral body with transformer, thus need not carry out the connection of each parts when being arranged on converting equipment in the rack, thereby can further shorten the time.Can prevent simultaneously that transformer, current transformer and instrument from worsening and damage with transformer performance, improve endurance life thereby reduce operating cost.In addition, form,, can clean safely or the Maintenance and Repair operation so can prevent from rack, to take place electric shock accidents effectively because transformer waters envelope with insulating material.
Claims (4)
1. transformer device structure, it is characterized in that: (Tr) waters envelope with insulating material such as synthetic resin or synthetic rubber (26) with power distribution transformer, become under the level in accordance with regulations fixed-site in framework (14) inside at the central axis P that makes above-mentioned transformer (Tr) winding (30) in this castable transformer (23), and a plurality of frameworks (14,14) that above-mentioned castable transformer (23) will be housed are vertically stacked, simultaneously many transformers (Tr, Tr) are connected to each other.
2. transformer device structure, it is characterized in that: (Tr) waters envelope with insulating material such as synthetic resin or synthetic rubber (26) with power distribution transformer, become under the level in accordance with regulations fixed-site in framework (14) inside at the central axis P that makes above-mentioned transformer (Tr) winding (30) in this castable transformer (23), and a plurality of frameworks (14,14) that above-mentioned castable transformer (23) will be housed are vertically stacked, simultaneously many transformers (Tr, Tr) pressed V/V shape mutually and connected.
3. converting equipment, it is characterized in that: will water castable transformer (23) of being honored as a queen and constituting and the current transformer that is connected in above-mentioned transformer (Tr) (CT) and instrument to power distribution transformer (Tr) with insulating material such as synthetic resin or synthetic rubber (26) and integrally water with insulating material such as synthetic resin or synthetic rubber again with transformer (PT) and seal into transformer device structure body (12), this transformer device structure body (12) is become under the level to be configured in framework (14) inside at the central axis P that makes above-mentioned transformer (Tr) winding (30), above-mentioned framework (14) is a plurality of vertically stacked, the transformer (Tr) that will be configured in simultaneously in the transformer device structure body (12) in each framework (14) is connected to each other, and will be configured in the rack (10) by the transformation device (16) that above step is assembled into.
4. according to the described converting equipment of claim 3, it is characterized in that: the transformer (Tr) in the above-mentioned transformer device structure body (12) has connected circuit breaker (VCB).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP295848/94 | 1994-11-04 | ||
| JP6295848A JPH08138953A (en) | 1994-11-04 | 1994-11-04 | Transformer structure and transformer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1128395A true CN1128395A (en) | 1996-08-07 |
Family
ID=17825978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95118747A Pending CN1128395A (en) | 1994-11-04 | 1995-11-03 | Transformer structure and substation apparatus |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0710965A2 (en) |
| JP (1) | JPH08138953A (en) |
| KR (1) | KR960019352A (en) |
| CN (1) | CN1128395A (en) |
| TW (1) | TW255072B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180181A (en) * | 2019-12-20 | 2020-05-19 | 中国航天时代电子有限公司 | 1553B bus isolation transformer with double-stack structure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198374B1 (en) * | 1999-04-01 | 2001-03-06 | Midcom, Inc. | Multi-layer transformer apparatus and method |
| EP2696358B1 (en) | 2012-08-10 | 2018-10-10 | STS Spezial-Transformatoren-Stockach GmbH & Co. KG | Medium frequency transformer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH295423A (en) * | 1951-11-20 | 1953-12-31 | Oerlikon Maschf | Instrument transformer cascade. |
| DE1488280B2 (en) * | 1963-04-10 | 1970-06-11 | Raupach, Dr.-Ing. E.h. Friedrich, 8600 Bamberg | Transformer arrangement made up of three individual transformers with an insulating jacket |
| US3761853A (en) * | 1972-11-13 | 1973-09-25 | Hipotronics | Mechanically variable modular high reactivity power inductor for high a. c. voltage resonant testing of capacitive loads |
| JPS63292612A (en) * | 1987-05-26 | 1988-11-29 | Tokyo Electric Power Co Inc:The | Voltage transformer-current transformer for instrument and their exchange |
| JPH06292308A (en) * | 1993-04-05 | 1994-10-18 | Makoto Yamamoto | Transformer facilities |
-
1994
- 1994-11-04 JP JP6295848A patent/JPH08138953A/en active Pending
- 1994-12-22 TW TW083112228A patent/TW255072B/en not_active IP Right Cessation
-
1995
- 1995-11-02 EP EP95307848A patent/EP0710965A2/en not_active Withdrawn
- 1995-11-03 KR KR1019950039538A patent/KR960019352A/en not_active Application Discontinuation
- 1995-11-03 CN CN95118747A patent/CN1128395A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180181A (en) * | 2019-12-20 | 2020-05-19 | 中国航天时代电子有限公司 | 1553B bus isolation transformer with double-stack structure |
| CN111180181B (en) * | 2019-12-20 | 2021-05-11 | 中国航天时代电子有限公司 | 1553B bus isolation transformer with double-stack structure |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0710965A3 (en) | 1996-06-12 |
| JPH08138953A (en) | 1996-05-31 |
| TW255072B (en) | 1995-08-21 |
| KR960019352A (en) | 1996-06-17 |
| EP0710965A2 (en) | 1996-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |