CN103066501B - Power transformation fairing - Google Patents

Power transformation fairing Download PDF

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Publication number
CN103066501B
CN103066501B CN201210562645.5A CN201210562645A CN103066501B CN 103066501 B CN103066501 B CN 103066501B CN 201210562645 A CN201210562645 A CN 201210562645A CN 103066501 B CN103066501 B CN 103066501B
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China
Prior art keywords
voltage
power
equipment
isolation knife
ground connection
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CN201210562645.5A
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CN103066501A (en
Inventor
车立志
赵瑞敏
赵钢
王伟
熊自勇
汤其富
陆正国
贺永吉
白礼平
丁增毅
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Yunnan Province's aluminium electroloysis energy-saving and emission-reduction Engineering Technical Research Centre
Yunnan Yunlv Ruixin Aluminum Co Ltd
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Yunnan Province's Aluminium Electroloysis Energy-Saving And Emission-Reduction Engineering Technical Research Centre
Yunnan Yunlv Ruixin Aluminum Co Ltd
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Application filed by Yunnan Province's Aluminium Electroloysis Energy-Saving And Emission-Reduction Engineering Technical Research Centre, Yunnan Yunlv Ruixin Aluminum Co Ltd filed Critical Yunnan Province's Aluminium Electroloysis Energy-Saving And Emission-Reduction Engineering Technical Research Centre
Priority to CN201210562645.5A priority Critical patent/CN103066501B/en
Publication of CN103066501A publication Critical patent/CN103066501A/en
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Abstract

The present invention proposes a kind of power transformation fairing, including: two sections of unlimited tube type bus, for transformer station's total voltage, the carrier of electric current;A plurality of drainage thread, a plurality of drainage thread is connected with tube type bus respectively, for transformer station's total voltage, electric current to the carrier of each interval conveying voltage and current;Switchgear, switchgear is connected with a plurality of drainage thread, for the various running statuses of the switching of load tube type bus, the switching of load and equipment are controlled, wherein, tube type bus breaks down when overhauling, do not result in whole system to have a power failure, and when the part drainage thread trouble shooting of multiple drainage threads, do not interfere with the properly functioning of other spacing devices yet.Power transformation fairing according to embodiments of the present invention, by isolation knife and earthing, isolation knife and three station cuttves are integrated, avoid the maloperation being likely to occur between its equipment, simultaneously because isolation knife, earthing and bus are unified, make to be greatly reduced volume.

Description

Power transformation fairing
Technical field
The present invention relates to high-pressure delivery apparatus field, particularly to a kind of power transformation fairing.
Background technology
In high-tension power transmission and transformation equipment, outdoor high-voltage isolating switch is one of electric equipment being affected maximum by natural environment and climate, its service condition is more severe, stand without obstruction among transformer station, month after month acted on by various natural environment and climate conditions throughout the year, easily produced the fault of mechanically or electrically aspect.Along with the increase of the aging of equipment He power load, and disconnecting switch is long neglected and in disrepair and some defect and the power outage that causes constantly occurs, and in rising trend, threaten the operation safety of power system.
In recent years, according to China power system actual motion statistics and investigation and analysis, the four major problem that outdoor high-voltage isolating switch often occurs is porcelain insulator breaking, it is malfunctioning to operate, overheat of conducting circuit, corrosion.
Along with electrolytic aluminium scale constantly expands, scale the highest to the reliability requirement powered constantly expands.Ultra-high Voltage Substations rolls up.Due to environment and the pressure of occupation of land, the type selecting of the main equipment of 220kV transformer station is the most extremely important.At present, 220kV ultra-high pressure switch mainly has two big classes: gas-insulated metal fully-closed switch equipment GIS and conventional open style switchgear AIS.It is few that GIS has occupation of land, and operational reliability is high, anti-pollution and the feature such as shock resistance is strong, but it is expensive, and after fault, the short time is difficult to repair and extend difficulty.AIS is than GIS low price, but floor space is very big and live part exposes more, limits and the local application of harsh environmental conditions narrow and small at transformer station's area.
Summary of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency.
For reaching above-mentioned purpose, embodiments of the invention propose a kind of power transformation fairing, including: two sections of unlimited tube type bus, for transformer station's total voltage, the carrier of electric current;A plurality of drainage thread, described a plurality of drainage thread is connected with described tube type bus respectively, for described transformer station total voltage, electric current to the carrier of each interval conveying voltage and current;Switchgear, described switchgear is connected with described a plurality of drainage thread, for the various running statuses of the switching of load tube type bus, the switching of load and equipment are controlled, wherein, described tube type bus breaks down when overhauling, do not result in whole system to have a power failure, and when the part drainage thread trouble shooting of the plurality of drainage thread, do not interfere with the properly functioning of other spacing devices yet.
Power transformation fairing according to embodiments of the present invention, by isolation knife and earthing, isolation knife and three station cuttves are integrated, avoid the maloperation being likely to occur between its equipment, simultaneously because isolation knife, earthing and bus are unified, make to be greatly reduced volume, but also eliminate porcelain insulator breaking, operate the problems such as malfunctioning, overheat of conducting circuit, corrosion.
In one embodiment of the invention, described switchgear includes: power module, the power supply point powered to this transformer station for upper level transformer station;Bus chopper, for two buses are connected to become a bus, coordinate with protection device and has defencive function;Power becomes feedback module, is used for providing electrical source of power;And rectification becomes feedback module, for providing power supply to Rectification Power Factor load.
In one embodiment of the invention, described power module includes: fast ground connection isolation knife, when overhaul of the equipments, the equipment needing maintenance is carried out ground connection;Three station isolation knife, carry out ground connection when insulating power supply and equipment need maintenance;Current transformer, for becoming by the big electric current in the electric current in high-pressure system or low-voltage system into the electrical equipment of the small area analysis of a certain amount of standard;Voltage transformer, for becoming by the high voltage of power system into the electrical equipment of the low-voltage of certain standard;Chopper, is most important control and protection equipment in power system, and no matter what state is system be in, and all answers action message;Earthing, when overhaul of the equipments, carries out ground connection the equipment needing maintenance;And isolation knife, for insulating power supply.
In one embodiment of the invention, described power becomes feedback module and includes: current transformer, and the big electric current in the electric current in high-pressure system or low-voltage system becomes the electrical equipment of the small area analysis of a certain amount of standard;Voltage transformer, becomes by the high voltage of power system into the electrical equipment of the low-voltage of certain standard;Chopper, described chopper is most important control and protection equipment in power system, can stable operation for ensureing that the reliability of system makes system be in what state;Earthing, when overhaul of the equipments, carries out ground connection the equipment needing maintenance;And isolation knife, for insulating power supply.
In one embodiment of the invention, described rectification becomes feedback module and includes: fast ground connection isolation knife, when overhaul of the equipments, the equipment needing maintenance is carried out ground connection;Three station isolation knife, carry out ground connection when insulating power supply and equipment need maintenance;Current transformer, for becoming by the big electric current in the electric current in high-pressure system or low-voltage system into the electrical equipment of the small area analysis of a certain amount of standard;Voltage transformer, for becoming by the high voltage of power system into the electrical equipment of the low-voltage of certain standard;Chopper, is most important control and protection equipment in power system, and no matter what state is system be in, and all answers action message;Earthing, when overhaul of the equipments, carries out ground connection the equipment needing maintenance;And isolation knife, for insulating power supply.
In one embodiment of the invention, fast ground connection isolation knife, three station isolation knife, current transformer, voltage transformer, chopper, earthing and isolation knife are combined into an overall package in SF6 gas pipeline by described switchgear.
Aspect and advantage that the present invention adds will part be given in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from easy to understand, wherein from the following description of the accompanying drawings of embodiments:
Fig. 1 is the schematic diagram of the power transformation fairing according to one embodiment of the invention;
Fig. 2 is the frame diagram of the switchgear according to one embodiment of the invention;And
Fig. 3 is that the physical circuit of the power transformation fairing according to one embodiment of the invention connects exemplary plot.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
In describing the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
Fig. 1 is the frame diagram of the power transformation fairing according to one embodiment of the invention.As it is shown in figure 1, power transformation fairing according to embodiments of the present invention includes two sections of unlimited tube type bus 100, a plurality of drainage thread 200 and switchgear 300.
Specifically, two sections of unlimited tube type bus 100 are for transformer station's total voltage, the carrier of electric current.
In one embodiment of the invention, tube type bus breaks down when overhauling, and does not results in whole system and has a power failure.
This plurality of drainage thread 200 of a plurality of drainage thread 200 is connected with tube type bus respectively, for transformer station's total voltage, electric current to the carrier of each interval conveying voltage and current.
In one embodiment of the invention, during the part drainage thread trouble shooting of multiple drainage threads, the properly functioning of other spacing devices is not interfered with yet.
This switchgear 300 of switchgear 300 is connected 200 with a plurality of drainage thread, for being controlled the various running statuses of the switching of load tube type bus, the switching of load and equipment.
Fig. 2 is the frame diagram of the switchgear according to one embodiment of the invention.Fig. 3 is that the physical circuit of the power transformation fairing according to one embodiment of the invention connects exemplary plot.Such as Fig. 2, shown in 3, encapsulation combined electrical apparatus 300 includes power module 310, bus chopper 320, power feedback module 330 and rectified feedback module 340.
More specifically, the power supply point that power module 310 is powered to this transformer station for upper level transformer station.
In one embodiment of the invention, power module 310 includes fast ground connection isolation knife HSES, three station isolation knife EDS, Current Transmit, voltage transformer pt, chopper CB, earthing ES and isolation knife DS.
Fast ground connection isolation knife HSES, when overhaul of the equipments, carries out ground connection the equipment needing maintenance.
Three station isolation knife EDS carry out ground connection when insulating power supply and equipment need maintenance.
Current Transmit is for becoming by the big electric current in the electric current in high-pressure system or low-voltage system into the electrical equipment of the small area analysis of a certain amount of standard.
Voltage transformer pt is for becoming by the high voltage of power system into the electrical equipment of the low-voltage of certain standard.
Chopper CB is most important control and protection equipment in power system, and no matter what state is system be in, and all answers action message.
Earthing ES, when overhaul of the equipments, carries out ground connection the equipment needing maintenance.
Isolation knife DS is used for insulating power supply.
In one embodiment of the invention, isolation knife and earthing are integrated by power module, size is significantly diminished, and three station structures that isolation knife is combined with three station cuttves, there are not various possible maloperations between conventional isolation knife earthing, therefore can omit the electric operation interlocking of isolation knife earthing.
Bus chopper 320, for two buses are connected to become a bus, coordinate with protection device and has defencive function.
Power feedback module 330 is used for providing electrical source of power.
In one embodiment of the invention, power feedback module 330 includes Current Transmit, voltage transformer pt, chopper CB, earthing ES and isolation knife DS.
Current Transmit is for becoming by the big electric current in the electric current in high-pressure system or low-voltage system into the electrical equipment of the small area analysis of a certain amount of standard.
Voltage transformer pt is for becoming by the high voltage of power system into the electrical equipment of the low-voltage of certain standard.
Chopper CB is most important control and protection equipment in power system, can stable operation for ensureing that the reliability of system makes system be in what state.
Earthing ES, when overhaul of the equipments, carries out ground connection the equipment needing maintenance.
Isolation knife DS is used for insulating power supply.
Rectified feedback module 340 is for providing power supply to Rectification Power Factor load.
In one embodiment of the invention, rectified feedback module 340 includes fast ground connection isolation knife HSES, three station isolation knife EDS, Current Transmit, voltage transformer pt, chopper CB, earthing ES and isolation knife DS.
Fast ground connection isolation knife HSES, when overhaul of the equipments, carries out ground connection the equipment needing maintenance.
Three station isolation knife EDS carry out ground connection when insulating power supply and equipment need maintenance.
Current Transmit is for becoming by the big electric current in the electric current in high-pressure system or low-voltage system into the electrical equipment of the small area analysis of a certain amount of standard.
Voltage transformer pt is for becoming by the high voltage of power system into the electrical equipment of the low-voltage of certain standard.
Chopper CB is most important control and protection equipment in power system, and no matter what state is system be in, and all answers action message.
Earthing ES, when overhaul of the equipments, carries out ground connection the equipment needing maintenance.
Isolation knife DS is used for insulating power supply.
Power transformation fairing according to embodiments of the present invention, by isolation knife and earthing, isolation knife and three station cuttves are integrated, avoid the maloperation being likely to occur between its equipment, simultaneously because isolation knife, earthing and bus are unified, make to be greatly reduced volume, but also eliminate porcelain insulator breaking, operate the problems such as malfunctioning, overheat of conducting circuit, corrosion.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is exemplary, being not considered as limiting the invention, above-described embodiment can be changed in the case of without departing from the principle of the present invention and objective, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.

Claims (3)

1. a power transformation fairing, it is characterised in that including:
Two sections of unlimited tube type bus, for transformer station's total voltage, the carrier of electric current;
A plurality of drainage thread, described a plurality of drainage thread is connected with described tube type bus respectively, for described transformer station total voltage, electric current to the carrier of each interval conveying voltage and current;
Switchgear, described switchgear is connected with described a plurality of drainage thread, for the various running statuses of the switching of load tube type bus, the switching of load and equipment are controlled,
Wherein, described tube type bus breaks down when overhauling, and does not results in whole system and has a power failure, and when the part drainage thread trouble shooting of the plurality of drainage thread, does not also interfere with the properly functioning of other spacing devices,
Described switchgear includes:
Power module, the power supply point powered to this transformer station for upper level transformer station;
Bus chopper, for two buses are connected to become a bus, coordinate with protection device and has defencive function;
Power becomes feedback module, is used for providing electrical source of power;And
Rectification becomes feedback module, for providing power supply to Rectification Power Factor load,
Described power module includes:
Fast ground connection isolation knife, when overhaul of the equipments, carries out ground connection the equipment needing maintenance;
Three station isolation knife, carry out ground connection when insulating power supply and equipment need maintenance;
Current transformer, for becoming by the big electric current in the electric current in high-pressure system or low-voltage system into the electrical equipment of the small area analysis of a certain amount of standard;
Voltage transformer, for becoming by the high voltage of power system into the electrical equipment of the low-voltage of certain standard;
Chopper, is most important control and protection equipment in power system, and no matter what state is system be in, and all answers action message;
Earthing, when overhaul of the equipments, carries out ground connection the equipment needing maintenance;And
Isolation knife, for insulating power supply,
Fast ground connection isolation knife, three station isolation knife, current transformer, voltage transformer, chopper, earthing and isolation knife are combined into an overall package in SF6 gas pipeline by described switchgear.
2. power transformation fairing as claimed in claim 1, it is characterised in that described power becomes feedback module and includes:
Current transformer, becomes by the big electric current in the electric current in high-pressure system or low-voltage system into the electrical equipment of the small area analysis of a certain amount of standard;
Voltage transformer, becomes by the high voltage of power system into the electrical equipment of the low-voltage of certain standard;
Chopper, described chopper is most important control and protection equipment in power system, can stable operation for ensureing that the reliability of system makes system be in what state;
Earthing, when overhaul of the equipments, carries out ground connection the equipment needing maintenance;And
Isolation knife, for insulating power supply.
3. power transformation fairing as claimed in claim 1, it is characterised in that described rectification becomes feedback module and includes:
Fast ground connection isolation knife, when overhaul of the equipments, carries out ground connection the equipment needing maintenance;
Three station isolation knife, carry out ground connection when insulating power supply and equipment need maintenance;
Current transformer, for becoming by the big electric current in the electric current in high-pressure system or low-voltage system into the electrical equipment of the small area analysis of a certain amount of standard;
Voltage transformer, for becoming by the high voltage of power system into the electrical equipment of the low-voltage of certain standard;
Chopper, is most important control and protection equipment in power system, and no matter what state is system be in, and all answers action message;
Earthing, when overhaul of the equipments, carries out ground connection the equipment needing maintenance;And
Isolation knife, for insulating power supply.
CN201210562645.5A 2012-12-21 2012-12-21 Power transformation fairing Active CN103066501B (en)

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CN103066501B true CN103066501B (en) 2016-08-03

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201398029Y (en) * 2009-06-24 2010-02-03 山东电力工程咨询院有限公司 Main wiring structure capable of reducing scope of power failure of 220kVGIS substation
CN202094526U (en) * 2011-06-17 2011-12-28 江苏精科智能电气股份有限公司 Composite and combined electrical device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4760613B2 (en) * 2006-08-29 2011-08-31 株式会社明電舎 Control system for DC feeding system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201398029Y (en) * 2009-06-24 2010-02-03 山东电力工程咨询院有限公司 Main wiring structure capable of reducing scope of power failure of 220kVGIS substation
CN202094526U (en) * 2011-06-17 2011-12-28 江苏精科智能电气股份有限公司 Composite and combined electrical device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
电解铝厂220kV整流所综合自动化系统;张斌;《轻金属》;20081031(第10期);第73-76页 *

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Owner name: YUNNAN ALUMINUM ELECTROLYTIC ENERGY SAVING AND EMI

Effective date: 20140813

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Free format text: CORRECT: ADDRESS; FROM: HONGHE HANI AND YI AUTONOMOUS PREFECTURE, YUNNAN PROVINCE TO: 654308 HONGHEHANI AND YI AUTONOMOUS PREFECTURE, YUNNAN PROVINCE

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Effective date of registration: 20140813

Address after: 654308 Yunnan Province Honghe Hani and Yi Honghe Jianshui County Sheep Street Ling'an Town Industrial Park

Applicant after: Yunnan Yunlyu Runxin Aluminum Co., Ltd.

Applicant after: Yunnan Province's aluminium electroloysis energy-saving and emission-reduction Engineering Technical Research Centre

Address before: Honghe Hani and Yi Autonomous Prefecture of Yunnan Honghe Jianshui County Industrial Park

Applicant before: Yunnan Yunlyu Runxin Aluminum Co., Ltd.

C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Che Lizhi

Inventor after: Ding Zengyi

Inventor after: Zhao Ruimin

Inventor after: Zhao Gang

Inventor after: Wang Wei

Inventor after: Xiong Ziyong

Inventor after: Tang Qifu

Inventor after: Lu Zhengguo

Inventor after: He Yongji

Inventor after: Bai Liping

Inventor before: Yin Chuanxing

Inventor before: He Yongji

Inventor before: Bai Liping

Inventor before: Ding Zengyi

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