CN201859758U - Structure of power transformer with auxiliary equipment - Google Patents

Structure of power transformer with auxiliary equipment Download PDF

Info

Publication number
CN201859758U
CN201859758U CN2010202681211U CN201020268121U CN201859758U CN 201859758 U CN201859758 U CN 201859758U CN 2010202681211 U CN2010202681211 U CN 2010202681211U CN 201020268121 U CN201020268121 U CN 201020268121U CN 201859758 U CN201859758 U CN 201859758U
Authority
CN
China
Prior art keywords
transformer
auxiliary
winding
main
load switch
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 - Lifetime
Application number
CN2010202681211U
Other languages
Chinese (zh)
Inventor
王建生
任甄
李文忠
赵涛
何毅
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.)
China XD Electric Co Ltd
Original Assignee
China XD Electric 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 China XD Electric Co Ltd filed Critical China XD Electric Co Ltd
Priority to CN2010202681211U priority Critical patent/CN201859758U/en
Application granted granted Critical
Publication of CN201859758U publication Critical patent/CN201859758U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

The utility model discloses a structure of a power transformer with auxiliary equipment, comprising three parts, namely a main transformer, an auxiliary transformer, as well as a main fuse and a load switch which are connected mutually. The structure of the power transformer is characterized in that the main transformer comprises a main transformer high-voltage winding connected with high voltage input, a main transformer middle-low voltage winding or low-voltage winding connected with low voltage output, and an auxiliary winding connected with the auxiliary transformer through the main fuse and the load switch, wherein the auxiliary transformer comprises an auxiliary transformer high-voltage winding connected with the load switch, and an auxiliary transformer low-voltage winding connected with power station load.

Description

A kind of power transformer structure with auxiliary equipment
Technical field
The utility model relates to a kind of power transformer structure with auxiliary equipment.
Background technology
The power transformer of band auxiliary equipment includes main transformer and auxiliary transformer, and main transformer electric energy transmitting, auxiliary transformer are power station power supply.At present beyond example domestic, though abroad have in early days, auxiliary equipment need be established iron core separately could produce boost voltage, and main transformer pin configuration complexity, has increased volume of transformer and weight, and cost is increased.
Summary of the invention
At the existing problem of power transformer of existing band auxiliary equipment, the utility model provides a kind of power transformer structure of novel band auxiliary equipment.
For reaching above purpose, the utility model takes following technical scheme to be achieved:
A kind of power transformer structure with auxiliary equipment, comprise main transformer, auxiliary transformer, interconnective main fuse and load switch three parts, it is characterized in that described main transformer comprises a main transformer high pressure winding that connects the high pressure input, main transformer low pressure winding that connects low pressure output (or press in the main transformer high pressure winding that connects the high pressure input, connection in the main transformer of output and press winding, a main transformer low pressure winding that connects low pressure output), an auxiliary winding that connects auxiliary transformer by main fuse, load switch; Described auxiliary transformer comprises the auxilliary auxilliary step-down pressure winding of pressing winding, a connection power station load that uprises of a connection load switch.
In the such scheme, main transformer also can comprise balance winding (fixed by structure).Described auxiliary winding is contained on the master iron core, exports electric energy to auxiliary transformer from main transformer fuel tank terminal.Described auxiliary transformer, main fuse and load switch and main transformer fuel tank connect into integral body.
The utility model has the advantages that:
1, auxiliary winding utilizes the master iron core electromagnetic induction, the required electric energy of (needn't establish iron core separately) output user.This method has been simplified the pin configuration of transformer, saves material, reduces volume of transformer and weight, energy-conserving and environment-protective.
2, main transformer, auxiliary transformer, interconnective main fuse and load switch three parts connect into integral body, do not influence the operate as normal of main transformer when the auxiliary transformer circuit breaks down.Thereby reduce the power station cost greatly, ensure the power plant safety operation.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and the specific embodiments.
Fig. 1 is a specific embodiment of the utility model main transformer three-phase double winding (band balance winding).
Fig. 2 is a specific embodiment of the utility model main transformer three-phase three windings (band balance winding).
Among the figure: 1, auxiliary winding; 2, balance winding; 3, low pressure winding; 3 ', middle pressure winding; 4, main transformer; 5, main transformer high pressure winding; 6, main fuse; 7, load switch; 8, the auxilliary pressure winding that uprises; 9, auxiliary transformer; 10, auxilliary step-down is pressed winding.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of power transformer structure with auxiliary equipment comprises main transformer 4, main fuse 6, load switch 7 and auxiliary transformer 9.Main transformer comprises a main transformer high pressure winding 5, main transformer low pressure winding 3, balance winding 2 (can not have), and auxiliary winding 1; Auxiliary transformer comprises that auxilliary uprising presses winding 8, an auxilliary step-down to press winding 10; Be connected to auxilliary uprising after assisting winding 1 by main fuse 6, load switch 7 and press winding 8.Main fuse 6, load switch 7, auxiliary transformer 9 are assembled in the auxiliary equipment case, and the fuel tank of this auxiliary equipment case and main transformer 4 connects into integral body.
Main transformer high pressure winding 5 three-phases have and carry or No-load changer YN (or D) access node structure, and outside line is from input terminal O, A, and B, C (or A, B C) imports electric energy; Main transformer low pressure winding 3 is yn (or d) access node structure; From lead-out terminal o, a, b, c (or a, b c) exports electric energy; Balance winding 2 adopts d to connect (only the YNyn structure has), leading-out terminal ud, and wd is from the outside short circuit ground connection of fuel tank.Auxiliary winding 1 is on master iron core, utilize master iron core electromagnetic induction (not establishing iron core separately), adopt yn (or d) access node structure, from fuel tank side terminal o1, u1, v1, w1 (or u1, v1 w1) exports electric energy, and power delivery is pressed winding 8 to auxilliary the uprising of auxiliary transformer 9 by main fuse 6 and load switch 7, auxiliary transformer 9 is powered for the power station load.When breaking down, the auxiliary equipment circuit must not influence the operate as normal of main transformer.
Embodiment 2
As shown in Figure 2, the power transformer structure of another kind of band auxiliary equipment, as different from Example 1: its main transformer 4 comprises high pressure winding 5, middle pressure winding 3 ', 3, one balance windings 2 of low pressure winding (can not have), and auxiliary winding 1.
Main transformer high pressure winding 5 three-phases have and carry or No-load changer YN (or D) access node structure, and outside line is from input terminal O, A, and B, C (or A, B C) imports electric energy; Pressing winding 3 ' in the main transformer is yn (or d) access node structure; From lead-out terminal Om, Am, Bm, Cm (or Am, Bm Cm) exports electric energy; Main transformer low pressure winding 3 is yn (or d) access node structure; From lead-out terminal o, a, b, c (or a, b c) exports electric energy; Balance winding 2 adopts d to connect (only the YNynyn structure has), leading-out terminal ud, and wd is from the outside short circuit ground connection of fuel tank.Auxiliary winding 1 is on master iron core, utilize master iron core electromagnetic induction (not establishing iron core separately), adopt yn (or d) access node structure, from fuel tank side terminal o1, u1, v1, w1 (or u1, v1 w1) exports electric energy, and power delivery is pressed winding 8 to auxilliary the uprising of auxiliary transformer 9 by main fuse 6 and load switch 7, auxiliary transformer 9 is powered for the power station load.When breaking down, the auxiliary equipment circuit must not influence the operate as normal of main transformer.

Claims (8)

1. power transformer structure with auxiliary equipment, comprise main transformer, auxiliary transformer, interconnective main fuse and load switch three parts, it is characterized in that described main transformer comprises that one connects the main transformer high pressure winding of high pressure input, a main transformer low pressure winding that connects low pressure output, an auxiliary winding that connects auxiliary transformer by main fuse, load switch; Described auxiliary transformer comprises the auxilliary auxilliary step-down pressure winding of pressing winding, a connection power station load that uprises of a connection load switch.
2. the power transformer structure of band auxiliary equipment as claimed in claim 1 is characterized in that described main transformer also can comprise the balance winding.
3. the power transformer structure of band auxiliary equipment as claimed in claim 1 is characterized in that, described auxiliary winding is contained on the master iron core, exports electric energy to auxiliary transformer from main transformer fuel tank terminal.
4. the power transformer structure of band auxiliary equipment as claimed in claim 1 is characterized in that, described auxiliary transformer, main fuse and load switch and main transformer fuel tank connect into integral body.
5. power transformer structure with auxiliary equipment, comprise main transformer, auxiliary transformer, interconnective main fuse and load switch three parts, it is characterized in that described main transformer comprises presses winding, one to connect the main transformer low pressure winding of low pressure output, an auxiliary winding that connects auxiliary transformer by main fuse, load switch in the main transformer of pressing output in a main transformer high pressure winding that connects the high pressure input, the connection; Described auxiliary transformer comprises the auxilliary auxilliary step-down pressure winding of pressing winding, a connection power station load that uprises of a connection load switch.
6. the power transformer structure of band auxiliary equipment as claimed in claim 5 is characterized in that described main transformer also can comprise the balance winding.
7. the power transformer structure of band auxiliary equipment as claimed in claim 5 is characterized in that, described auxiliary winding is contained on the master iron core, exports electric energy to auxiliary transformer from main transformer fuel tank terminal.
8. the power transformer structure of band auxiliary equipment as claimed in claim 5 is characterized in that, described auxiliary transformer, main fuse and load switch and main transformer fuel tank connect into integral body.
CN2010202681211U 2010-07-22 2010-07-22 Structure of power transformer with auxiliary equipment Expired - Lifetime CN201859758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202681211U CN201859758U (en) 2010-07-22 2010-07-22 Structure of power transformer with auxiliary equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202681211U CN201859758U (en) 2010-07-22 2010-07-22 Structure of power transformer with auxiliary equipment

Publications (1)

Publication Number Publication Date
CN201859758U true CN201859758U (en) 2011-06-08

Family

ID=44105559

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202681211U Expired - Lifetime CN201859758U (en) 2010-07-22 2010-07-22 Structure of power transformer with auxiliary equipment

Country Status (1)

Country Link
CN (1) CN201859758U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359040A (en) * 2017-07-13 2017-11-17 正泰电气股份有限公司 A kind of method and device that accessory power supply is produced using transformer body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359040A (en) * 2017-07-13 2017-11-17 正泰电气股份有限公司 A kind of method and device that accessory power supply is produced using transformer body

Similar Documents

Publication Publication Date Title
CN201859747U (en) Appliance body arrangement structure of power transformer with auxiliary winding
CN201859758U (en) Structure of power transformer with auxiliary equipment
CN202816595U (en) High-insulation transformer
CN201741557U (en) Transformer with novel outgoing mode
CN201413766Y (en) 110kv power transformer with automatic reactive power compensation voltage regulating function
CN203055656U (en) Three-phase electromagnetic voltage transformer with disconnecting switch for geographic information system (GIS)
CN206195454U (en) Self -adaptation dual -path electricity supply device
CN201557046U (en) Underground electric transmission and transformation device for mine
CN201655514U (en) Dry type distribution transformer capable of inputting 10kV voltage and 20kV voltage by means of transformation
CN201449849U (en) Novel iron yoke binding structure of high-voltage transformer
CN203607230U (en) Voltage and capacitance-regulating distribution transformer
CN204614632U (en) A kind of dry-type transformer body seal
CN202651666U (en) Movable split type intelligent substation
CN202651665U (en) Movable split type intelligent substation
CN203761135U (en) Intelligent high-voltage switch
CN203218984U (en) Remote high-voltage switch controller
CN203574564U (en) On-line energy taking system of high voltage series voltage compensation device
CN203014657U (en) Soft charging device used for high voltage frequency converter
CN201741547U (en) Transformer lead structure
CN202948829U (en) Three-winding on-load voltage regulation power transformer with excitation-free voltage regulation in medium voltage
CN202871496U (en) Pre-magnetizing transformer with voltage regulator
CN201498346U (en) 10 and 20 KV dual voltage distribution transformer
CN202026243U (en) Capacitor transformer
CN209591768U (en) A kind of band auxiliary winding transformer
CN207705803U (en) A kind of energy-saving inversion boosting complexes for photovoltaic generation

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: Xi'an west change special electric Co., Ltd.

Assignor: China XD Electronic Corporation

Contract record no.: 2013610000065

Denomination of utility model: Structure of power transformer with auxiliary equipment

Granted publication date: 20110608

License type: Exclusive License

Record date: 20130624

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CX01 Expiry of patent term

Granted publication date: 20110608

CX01 Expiry of patent term