CN103066501A - Power transformation rectifying device - Google Patents

Power transformation rectifying device Download PDF

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Publication number
CN103066501A
CN103066501A CN2012105626455A CN201210562645A CN103066501A CN 103066501 A CN103066501 A CN 103066501A CN 2012105626455 A CN2012105626455 A CN 2012105626455A CN 201210562645 A CN201210562645 A CN 201210562645A CN 103066501 A CN103066501 A CN 103066501A
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China
Prior art keywords
equipment
voltage
power
electric
ground connection
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CN2012105626455A
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CN103066501B (en
Inventor
尹传兴
车立志
周飞
赵钢
王伟
赵瑞敏
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 Yunlv Ruixin Aluminum Co Ltd
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Priority to CN201210562645.5A priority Critical patent/CN103066501B/en
Publication of CN103066501A publication Critical patent/CN103066501A/en
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Abstract

The invention discloses a power transformation rectifying device which comprises two sections of open tubular busbars serving as a carrier of a total voltage and a total current of a converting station, a plurality of drainage wires connected with the tubular busbars and serving as a carrier for the total voltage and the total current of the converting station to transport voltages and currents to every space, and close composite apparatus connected with the plurality of drainage wires and used for switch of a load tubular busbar, switch of a load, and control of running states of equipment. When the tubular busbars malfunction and are under maintenance, power failure of the whole system is not caused, and when part of drainage wires malfunction and are under maintenance, normal running of other space equipment is not influenced. According to the power transformation rectifying device, misoperation possibly appearing among equipment is avoided by means of combination of an isolating switch and an earth switch and combination of the isolation switch and a three-position switch, and meanwhile, the size is greatly reduced due to the combination of the isolation switch, the earth switch and the busbars.

Description

The power transformation rectifying device
Technical field
The present invention relates to the high-pressure delivery apparatus field, particularly a kind of power transformation rectifying device.
Background technology
In high-tension power transmission and transformation equipment, outdoor high-voltage isolating switch is to be subjected to one of electric equipment that natural environment and climate has the greatest impact, its service conditions is more abominable, stand without obstruction among transformer station, month after month be subject to the effect of various natural environment and climate conditions, easily produce the fault of machinery or electric aspect throughout the year.Along with the increase of the aging and power load of equipment, and isolating switch is long neglected and in disrepair and some defective and the power outage that causes constantly occurs, and in rising trend, is threatening the security of operation of electric power system.
In recent years, according to China electric power system actual motion statistics and investigation and analysis, the four major problem that outdoor high-voltage isolating switch often occurs is that porcelain insulator breaking, operation are malfunctioning, overheat of conducting circuit, corrosion.
Along with the electrolytic aluminium scale constantly enlarges,, scale higher to the power supply reliability requirement constantly enlarges.Ultra-high Voltage Substations rolls up.Because the pressure of environment and occupation of land, the type selecting of the main equipment of 220kV transformer station is just extremely important.At present, the 220kV ultra-high pressure switch mainly contains two large classes: gas-insulated metal fully-closed switch equipment GIS and conventional open type switchgear AIS.GIS has the characteristics such as occupation of land is few, and operational reliability is high, and anti-pollution and shock resistance are strong, but it is expensive, and the short time is difficult to repair and the enlarging difficulty after the fault.AIS is than GIS low price, but floor space is very large and live part exposes morely, has limited place narrow and small at transformer station's area and that environmental condition is abominable and has used.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency.
For achieving the above object, embodiments of the invention propose a kind of power transformation rectifying device, comprising: two sections unlimited tube type bus, for the carrier of transformer station's total voltage, electric current; Many drainage threads, described many drainage threads link to each other with described tube type bus respectively, are used for described transformer station total voltage, electric current are carried carrier from voltage and current to each interval; Switchgear, described switchgear links to each other with described many drainage threads, be used for switching, the switching of load and the various running statuses of equipment of load tube type bus are controlled, wherein, when described tube type bus breaks down maintenance, can not cause whole system to have a power failure, and when the part drainage thread trouble hunting of described a plurality of drainage threads, can not affect the normal operation of other interval equipment yet.
Power transformation rectifying device according to the embodiment of the invention, by isolation knife and earthing, isolation knife and three station cuttves are integrated, avoided the misoperation that may occur between its equipment, simultaneously because with isolation knife, earthing and bus unification, make and greatly dwindled volume, but also eliminated the problems such as porcelain insulator breaking, malfunctioning, the overheat of conducting circuit of operation, corrosion.
In one embodiment of the invention, described switchgear comprises: power module is used for upper level transformer station to the power supply point of this transformer station's power supply; The bus circuit breaker is used for two buses are connected to become a bus, cooperates with protective device to have defencive function; Power becomes the feedback module, is used for providing electrical source of power; And rectification change feedback module, be used for providing power supply to the Rectification Power Factor load.
In one embodiment of the invention, described power module comprises: fast ground connection isolation knife, when being used for overhaul of the equipments, the equipment of needs maintenance is carried out ground connection; Three station isolation knife are used for carrying out when insulating power supply and equipment need to overhaul ground connection; Current transformer is used for the electric equipment that electric current or the large electric current in the low-voltage system with high-pressure system become the little electric current of a certain amount of standard; Voltage transformer is for the electric equipment that the high voltage of electric power system is become the low-voltage of certain standard; Circuit breaker is most important control and protection equipment in the electric power system, and no matter what state is system be in, and all answers action message; Earthing when being used for overhaul of the equipments, carries out ground connection to the equipment of needs maintenance; And isolation knife, be used for insulating power supply.
In one embodiment of the invention, described power becomes the feedback module and comprises: current transformer becomes the large electric current in the electric current in the high-pressure system or the low-voltage system electric equipment of the little electric current of a certain amount of standard; Voltage transformer becomes the high voltage of electric power system the electric equipment of the low-voltage of certain standard; Circuit breaker, described circuit breaker are most important control and protection equipment in the electric power system, and the reliability that is used for the assurance system makes system be in what state can stable operation; Earthing when being used for overhaul of the equipments, carries out ground connection to the equipment of needs maintenance; And isolation knife, be used for insulating power supply.
In one embodiment of the invention, described rectification becomes the feedback module and comprises: fast ground connection isolation knife, when being used for overhaul of the equipments, the equipment of needs maintenance is carried out ground connection; Three station isolation knife are used for carrying out when insulating power supply and equipment need to overhaul ground connection; Current transformer is used for the electric equipment that electric current or the large electric current in the low-voltage system with high-pressure system become the little electric current of a certain amount of standard; Voltage transformer is for the electric equipment that the high voltage of electric power system is become the low-voltage of certain standard; Circuit breaker is most important control and protection equipment in the electric power system, and no matter what state is system be in, and all answers action message; Earthing when being used for overhaul of the equipments, carries out ground connection to the equipment of needs maintenance; And isolation knife, be used for insulating power supply.
In one embodiment of the invention, described switchgear is combined into an overall package in the SF6 gas pipeline with fast ground connection isolation knife, three station isolation knife, current transformer, voltage transformer, circuit breaker, earthing and isolation knife.
The aspect that the present invention adds and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or the additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the schematic diagram of power transformation rectifying device according to an embodiment of the invention;
Fig. 2 is the frame diagram of switchgear according to an embodiment of the invention; And
Fig. 3 is that the physical circuit of according to an embodiment of the invention power transformation rectifying device connects exemplary plot.
Embodiment
The below describes embodiments of the invention in detail, and the example of embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
Fig. 1 is the frame diagram of power transformation rectifying device according to an embodiment of the invention.As shown in Figure 1, comprise two sections unlimited tube type bus 100, many drainage threads 200 and switchgear 300 according to the power transformation rectifying device of the embodiment of the invention.
Particularly, two sections unlimited tube type bus 100 are used for the carrier of transformer station's total voltage, electric current.
In one embodiment of the invention, when tube type bus breaks down maintenance, can not cause whole system to have a power failure.
Many drainage thread 200 these many drainage threads 200 link to each other with tube type bus respectively, are used for transformer station's total voltage, electric current are carried carrier from voltage and current to each interval.
In one embodiment of the invention, during the part drainage thread trouble hunting of a plurality of drainage threads, can not affect the normal operation of other interval equipment yet.
Switchgear 300 these switchgears 300 link to each other 200 with many drainage threads, are used for switching, the switching of load and the various running statuses of equipment of load tube type bus are controlled.
Fig. 2 is the frame diagram of switchgear according to an embodiment of the invention.Fig. 3 is that the physical circuit of according to an embodiment of the invention power transformation rectifying device connects exemplary plot.Such as Fig. 2, shown in 3, encapsulation combined electrical apparatus 300 comprises power module 310, bus circuit breaker 320, power feedback module 330 and rectification feedback module 340.
More specifically, power module 310 is used for upper level transformer station to the power supply point of this transformer station's power supply.
In one embodiment of the invention, power module 310 comprises fast ground connection isolation knife HSES, three station isolation knife EDS, Current Transmit, voltage transformer pt, circuit breaker CB, earthing ES and isolation knife DS.
When fast ground connection isolation knife HSES is used for overhaul of the equipments, the equipment of needs maintenance is carried out ground connection.
Three station isolation knife EDS are used for carrying out when insulating power supply and equipment need to overhaul ground connection.
The electric equipment that Current Transmit becomes the little electric current of a certain amount of standard for electric current or the large electric current in the low-voltage system with high-pressure system.
Voltage transformer pt is used for the high voltage of electric power system is become the electric equipment of the low-voltage of certain standard.
Circuit breaker CB is most important control and protection equipment in the electric power system, and no matter what state is system be in, and all answers action message.
When earthing ES is used for overhaul of the equipments, the equipment of needs maintenance is carried out ground connection.
Isolation knife DS is used for insulating power supply.
In one embodiment of the invention, power module integrates isolation knife and earthing, so that size significantly diminishes, and three station structures that isolation knife is combined with three station cuttves, there are not various possible misoperations between conventional isolation knife earthing, therefore can omit the electric operation interlocking of isolation knife earthing.
Bus circuit breaker 320 is used for two buses are connected to become a bus, cooperates with protective device to have defencive function.
Power feedback module 330 is used for providing electrical source of power.
In one embodiment of the invention, power feedback module 330 comprises Current Transmit, voltage transformer pt, circuit breaker CB, earthing ES and isolation knife DS.
The electric equipment that Current Transmit becomes the little electric current of a certain amount of standard for electric current or the large electric current in the low-voltage system with high-pressure system.
Voltage transformer pt is used for the high voltage of electric power system is become the electric equipment of the low-voltage of certain standard.
Circuit breaker CB is most important control and protection equipment in the electric power system, and the reliability that is used for the assurance system makes system be in what state can stable operation.
When earthing ES is used for overhaul of the equipments, the equipment of needs maintenance is carried out ground connection.
Isolation knife DS is used for insulating power supply.
Rectification feedback module 340 is used for providing power supply to the Rectification Power Factor load.
In one embodiment of the invention, rectification feedback module 340 comprises fast ground connection isolation knife HSES, three station isolation knife EDS, Current Transmit, voltage transformer pt, circuit breaker CB, earthing ES and isolation knife DS.
When fast ground connection isolation knife HSES is used for overhaul of the equipments, the equipment of needs maintenance is carried out ground connection.
Three station isolation knife EDS are used for carrying out when insulating power supply and equipment need to overhaul ground connection.
The electric equipment that Current Transmit becomes the little electric current of a certain amount of standard for electric current or the large electric current in the low-voltage system with high-pressure system.
Voltage transformer pt is used for the high voltage of electric power system is become the electric equipment of the low-voltage of certain standard.
Circuit breaker CB is most important control and protection equipment in the electric power system, and no matter what state is system be in, and all answers action message.
When earthing ES is used for overhaul of the equipments, the equipment of needs maintenance is carried out ground connection.
Isolation knife DS is used for insulating power supply.
Power transformation rectifying device according to the embodiment of the invention, by isolation knife and earthing, isolation knife and three station cuttves are integrated, avoided the misoperation that may occur between its equipment, simultaneously because with isolation knife, earthing and bus unification, make and greatly dwindled volume, but also eliminated the problems such as porcelain insulator breaking, malfunctioning, the overheat of conducting circuit of operation, corrosion.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art is not in the situation that break away from principle of the present invention and aim can change above-described embodiment within the scope of the invention, modification, replacement and modification.

Claims (6)

1. a power transformation rectifying device is characterized in that, comprising:
Two sections unlimited tube type bus are for the carrier of transformer station's total voltage, electric current;
Many drainage threads, described many drainage threads link to each other with described tube type bus respectively, are used for described transformer station total voltage, electric current are carried carrier from voltage and current to each interval;
Switchgear, described switchgear links to each other with described many drainage threads, is used for switching, the switching of load and the various running statuses of equipment of load tube type bus are controlled,
Wherein, described tube type bus breaks down when maintenance, can not cause whole system to have a power failure, and when the part drainage thread trouble hunting of described a plurality of drainage threads, also can not affect the normal operation of other interval equipment.
2. power transformation rectifying device as claimed in claim 1 is characterized in that, described switchgear comprises:
Power module is used for upper level transformer station to the power supply point of this transformer station's power supply;
The bus circuit breaker is used for two buses are connected to become a bus, cooperates with protective device to have defencive function;
Power becomes the feedback module, is used for providing electrical source of power; And
Rectification becomes the feedback module, and being used for provides power supply to the Rectification Power Factor load.
3. power transformation rectifying device as claimed in claim 2 is characterized in that, described power module comprises:
Fast ground connection isolation knife when being used for overhaul of the equipments, is carried out ground connection to the equipment of needs maintenance;
Three station isolation knife are used for carrying out when insulating power supply and equipment need to overhaul ground connection;
Current transformer is used for the electric equipment that electric current or the large electric current in the low-voltage system with high-pressure system become the little electric current of a certain amount of standard;
Voltage transformer is for the electric equipment that the high voltage of electric power system is become the low-voltage of certain standard;
Circuit breaker is most important control and protection equipment in the electric power system, and no matter what state is system be in, and all answers action message;
Earthing when being used for overhaul of the equipments, carries out ground connection to the equipment of needs maintenance; And
Isolation knife is used for insulating power supply.
4. power transformation rectifying device as claimed in claim 2 is characterized in that, described power becomes the feedback module and comprises:
Current transformer becomes the large electric current in the electric current in the high-pressure system or the low-voltage system electric equipment of the little electric current of a certain amount of standard;
Voltage transformer becomes the high voltage of electric power system the electric equipment of the low-voltage of certain standard;
Circuit breaker, described circuit breaker are most important control and protection equipment in the electric power system, and the reliability that is used for the assurance system makes system be in what state can stable operation;
Earthing when being used for overhaul of the equipments, carries out ground connection to the equipment of needs maintenance; And
Isolation knife is used for insulating power supply.
5. power transformation rectifying device as claimed in claim 2 is characterized in that, described rectification becomes the feedback module and comprises:
Fast ground connection isolation knife when being used for overhaul of the equipments, is carried out ground connection to the equipment of needs maintenance;
Three station isolation knife are used for carrying out when insulating power supply and equipment need to overhaul ground connection;
Current transformer is used for the electric equipment that electric current or the large electric current in the low-voltage system with high-pressure system become the little electric current of a certain amount of standard;
Voltage transformer is for the electric equipment that the high voltage of electric power system is become the low-voltage of certain standard;
Circuit breaker is most important control and protection equipment in the electric power system, and no matter what state is system be in, and all answers action message;
Earthing when being used for overhaul of the equipments, carries out ground connection to the equipment of needs maintenance; And
Isolation knife is used for insulating power supply.
6. such as the described power transformation rectifying device of claim 1-5, it is characterized in that, described switchgear is combined into an overall package in the SF6 gas pipeline with fast ground connection isolation knife, three station isolation knife, current transformer, voltage transformer, circuit breaker, earthing and isolation knife.
CN201210562645.5A 2012-12-21 2012-12-21 Power transformation fairing Active CN103066501B (en)

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Application Number Priority Date Filing Date Title
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CN103066501B CN103066501B (en) 2016-08-03

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008055918A (en) * 2006-08-29 2008-03-13 Meidensha Corp Control method for dc feeder system
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008055918A (en) * 2006-08-29 2008-03-13 Meidensha Corp Control method for dc feeder system
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
张斌: "电解铝厂220kV整流所综合自动化系统", 《轻金属》, no. 10, 31 October 2008 (2008-10-31), pages 73 - 76 *

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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
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Inventor after: Che Lizhi

Inventor after: Ding Zengyi

Inventor after: Zhao Ruimin

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