CN202585074U - Changeable type test intermediate transformer device - Google Patents

Changeable type test intermediate transformer device Download PDF

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Publication number
CN202585074U
CN202585074U CN 201120561424 CN201120561424U CN202585074U CN 202585074 U CN202585074 U CN 202585074U CN 201120561424 CN201120561424 CN 201120561424 CN 201120561424 U CN201120561424 U CN 201120561424U CN 202585074 U CN202585074 U CN 202585074U
Authority
CN
China
Prior art keywords
winding assembly
voltage
assembly
intermediate transformer
low pressure
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
Application number
CN 201120561424
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Chinese (zh)
Inventor
金吉昌
郭井申
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAODING TIANWEI GROUP (JIANGSU) WUZHOU TRANSFORMER Co Ltd
Original Assignee
BAODING TIANWEI GROUP (JIANGSU) WUZHOU TRANSFORMER Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BAODING TIANWEI GROUP (JIANGSU) WUZHOU TRANSFORMER Co Ltd filed Critical BAODING TIANWEI GROUP (JIANGSU) WUZHOU TRANSFORMER Co Ltd
Priority to CN 201120561424 priority Critical patent/CN202585074U/en
Application granted granted Critical
Publication of CN202585074U publication Critical patent/CN202585074U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a changeable type test intermediate transformer device. The changeable type test intermediate transformer device comprises a device containing box assembly. The changeable type test intermediate transformer device is characterized in that a low-voltage winding assembly is arranged on the device containing box assembly, a low-voltage input end is arranged on the low-voltage winding assembly, a medium-voltage winding assembly is arranged at the output end of the low-voltage winding assembly, a medium-voltage input end is arranged on the medium-voltage winding assembly, a high-voltage winding assembly is arranged at the output end of the medium-voltage winding assembly, and a high-voltage input end is arranged on the high-voltage winding assembly. Therefore, series connection, parallel connection, star-delta transformation of a high-voltage side and a low-voltage side are achieved to match with medium voltage, various voltage combination and current combination can be output, and test requirements of products in different voltage grades and of different types are met.

Description

Type variable test intermediate transformer device
Technical field
The utility model relates to a kind of transformer, relates in particular to a kind of type variable test intermediate transformer device.
Background technology
Increase (like various power transformers, various rectifier transformer, various furnace transformer and magnetic voltage regulator etc.) along with the raising of the increase of transformer capacity, electric pressure and transformer kind; The transformer ' s type product is detected required voltage, the electric current kind of test also to be increased with regard to corresponding; After just requiring voltage, electric current through conversion from the output of generator or power supply; Can export various different voltages, currents combination, use during for different transformer ' s type product testing.
The utility model content
The purpose of the utility model is exactly the problems referred to above that exist in the prior art in order to solve, and a kind of type variable test intermediate transformer device is provided.
The purpose of the utility model realizes through following technical scheme:
Type variable test intermediate transformer device; Include device storage case assembly, wherein: device storage case assembly is provided with the low pressure winding assembly, and said low pressure winding assembly is provided with low pressure input termination; During being provided with, the output of said low pressure winding assembly presses winding assembly; The said middle winding assembly of pressing is provided with the middle input termination of pressing, and the said middle output of winding assembly of pressing is provided with the high pressure winding assembly, and said high pressure winding assembly is provided with the high voltage input terminal head.
Further, above-mentioned type variable test intermediate transformer device, wherein: described low pressure winding assembly has two independently low pressure winding assembly compositions at least.
Further, above-mentioned type variable test intermediate transformer device, wherein: described high pressure winding assembly has two independently high pressure winding assembly compositions at least.
Again further, above-mentioned type variable test intermediate transformer device, wherein: be connected with electronic cage modle switch on the described high pressure winding.
The advantage of the utility model technical scheme is mainly reflected in: can realize series and parallel and star, angular transformation through the high and low pressure side, match with middle pressure, reach output multiple voltage, currents combination; Satisfy different electric pressures, the inhomogeneity product (becomes like electric power; Rectification change, electric furnace change etc.) test requirements document of product, and the high-pressure side adopts special method, makes series and parallel and star, angular transformation realize electric operating; Effectively reduce manipulation strength, improved operating efficiency.This utility model test intermediate transformer has been realized " one-machine-multi-function, a tractor serves several purposes ", compares with conventional method; Can effectively reduce platform number, the kind of required test intermediate transformer; Simultaneously can save floor space, practice thrift cost, its economic benefit and obvious social benefit.
Description of drawings
The purpose of the utility model, advantage and characteristics will illustrate through the non-limitative illustration of following preferred embodiment and explain.These embodiment only are the prominent examples of using the utility model technical scheme, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming all drop within the scope of the utility model requirement protection.
Fig. 1 is the organigram of type variable test intermediate transformer device.
Embodiment
Type variable test intermediate transformer device as shown in Figure 1; Include device storage case assembly 1; Its unusual part is: the device storage case assembly 1 that the utility model adopted is provided with low pressure winding assembly 6, and low pressure winding assembly 6 is provided with low pressure input termination 2.Simultaneously, press winding assembly 4 during the output of low pressure winding assembly 6 is provided with, and middle pressure winding assembly 4 is provided with the middle input termination 3 of pressing.And the output of middle pressure winding assembly 4 is provided with high pressure winding assembly 7, and high pressure winding assembly 7 is provided with high voltage input terminal 5.
With regard to the utility model one preferred implementation, consider and to regulate according to the fluctuation situation of power supply, to guarantee the stable of output voltage, electric current.The low pressure winding assembly that the utility model adopted has two independently low pressure winding assembly 6 compositions at least.Corresponding with it is that the high pressure winding assembly has two independently high pressure winding assembly 7 compositions at least.
Further,, reach the purpose of output multiple voltage, electric current, be connected with electronic cage modle switch 8 on the described high pressure winding in order effectively to realize series and parallel and star, angular transformation.
In conjunction with the actual operating position of the utility model, the iron core between each winding is pressed the three-phase three-limb design, adopts Pyatyi stepping seam, and a slice one is folded, effectively reduces no-load loss, no-load current and noise.Like this, can select rational magnetic flux density, make the close saturation point of work magnetic, avoid occurring overexcitation, thereby guarantee the accuracy of measurement result well below cold rolling grain oriented silicon steel sheet according to the work characteristics of test intermediate transformer.
Moreover, the winding stray field of transformer under short-circuit condition analysed in depth and calculated, winding construction is optimized; " magnetic center " that guarantees each winding is corresponding; Distribute to improve its leakage field, reduce axial electric power, improve the dynamic stability of transformer.Thus, select the generous pattern of winding construction when of rational current density, lead, effectively reduce eddy current and decrease and circulation loss, strengthen mechanical Strength for Winding, buffer structure is adopted in compress and the device body location of winding, to improve the anti-short circuit capability of transformer.Connection and reasonable arrangement, the good manufacturability of lead-in wire, mechanical strength is high, and the colligation that winding is lifted one's head, the shielding of lead-in wire etc. has the strict process safeguard measure, amplifies requirement to satisfy low office.
The utility model test intermediate transformer has following several kinds of ruuning situations by different operating positions:
Middle pressure-high-voltage operation: under this ruuning situation, exportable 4 kinds of different voltages with different, currents combination;
Middle pressure-low pressure operation: under this ruuning situation, exportable 4 kinds of different voltages with different, currents combination;
High pressure-low pressure operation: under this ruuning situation, exportable 16 kinds of different voltages with different, currents combination;
High pressure-middle pressure operation: under this ruuning situation, exportable a kind of different voltages with different, currents combination;
Low pressure-middle pressure operation: under this ruuning situation, exportable a kind of different voltages with different, currents combination;
Can find out through above-mentioned character express, adopt the utility model after, can realize series and parallel and star, angular transformation through the high and low pressure side; Match with middle pressure; Reach output multiple voltage, currents combination, satisfy the test requirements document of different electric pressures, inhomogeneity product (becoming rectification change, electric furnace change etc. like electric power) product; And special method is adopted in the high-pressure side; Make series and parallel and star, angular transformation realize electric operating, effectively reduce manipulation strength, improved operating efficiency.This utility model test intermediate transformer has been realized " one-machine-multi-function, a tractor serves several purposes ", compares with conventional method; Can effectively reduce platform number, the kind of required test intermediate transformer; Simultaneously can save floor space, practice thrift cost, its economic benefit and obvious social benefit.

Claims (4)

1. type variable is tested the intermediate transformer device; Include device storage case assembly, it is characterized in that: device storage case assembly is provided with the low pressure winding assembly, and said low pressure winding assembly is provided with low pressure input termination; During being provided with, the output of said low pressure winding assembly presses winding assembly; The said middle winding assembly of pressing is provided with the middle input termination of pressing, and the said middle output of winding assembly of pressing is provided with the high pressure winding assembly, and said high pressure winding assembly is provided with the high voltage input terminal head.
2. type variable test intermediate transformer device according to claim 1 is characterized in that: described low pressure winding assembly has two independently low pressure coil assembly compositions at least.
3. type variable test intermediate transformer device according to claim 1 is characterized in that: described high pressure winding assembly has two independently high pressure coil assembly compositions at least.
4. type variable test intermediate transformer device according to claim 3 is characterized in that: be connected with electronic cage modle switch on the described high pressure winding.
CN 201120561424 2011-12-29 2011-12-29 Changeable type test intermediate transformer device Expired - Fee Related CN202585074U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120561424 CN202585074U (en) 2011-12-29 2011-12-29 Changeable type test intermediate transformer device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120561424 CN202585074U (en) 2011-12-29 2011-12-29 Changeable type test intermediate transformer device

Publications (1)

Publication Number Publication Date
CN202585074U true CN202585074U (en) 2012-12-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120561424 Expired - Fee Related CN202585074U (en) 2011-12-29 2011-12-29 Changeable type test intermediate transformer device

Country Status (1)

Country Link
CN (1) CN202585074U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102568775A (en) * 2011-12-29 2012-07-11 保定天威集团(江苏)五洲变压器有限公司 Variable test medium transformer device
CN103337345A (en) * 2013-05-24 2013-10-02 中电电气(江苏)股份有限公司 Novel transformer in tap connecting structure
CN104835638A (en) * 2015-05-12 2015-08-12 山东电工电气集团智能电气有限公司 Intermediate transformer for multiple voltages output test
CN106098322A (en) * 2016-05-27 2016-11-09 江苏宏源电气有限责任公司 A kind of multivoltage output intermediate transformer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102568775A (en) * 2011-12-29 2012-07-11 保定天威集团(江苏)五洲变压器有限公司 Variable test medium transformer device
CN103337345A (en) * 2013-05-24 2013-10-02 中电电气(江苏)股份有限公司 Novel transformer in tap connecting structure
CN104835638A (en) * 2015-05-12 2015-08-12 山东电工电气集团智能电气有限公司 Intermediate transformer for multiple voltages output test
CN106098322A (en) * 2016-05-27 2016-11-09 江苏宏源电气有限责任公司 A kind of multivoltage output intermediate transformer

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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: 20121205

Termination date: 20171229

CF01 Termination of patent right due to non-payment of annual fee