CN107634576A - Middle pressure automatic change-over switch equipment - Google Patents
Middle pressure automatic change-over switch equipment Download PDFInfo
- Publication number
- CN107634576A CN107634576A CN201710759822.1A CN201710759822A CN107634576A CN 107634576 A CN107634576 A CN 107634576A CN 201710759822 A CN201710759822 A CN 201710759822A CN 107634576 A CN107634576 A CN 107634576A
- Authority
- CN
- China
- Prior art keywords
- conversion
- breaker
- control system
- automatic change
- stand
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The invention discloses automatic change-over switch equipment, including control system is pressed in one kind, the control system configures three kinds of translative mode：Automatic conversion mode, on the spot conversion regime and Remote conversion regime；When the control system enters any one conversion regime, other two kinds of conversion and controls of locking, prevent more command operations from making the phenomenon of logical miss occur.Automatic change-over switch equipment is pressed in the present invention; using two there is the vacuum circuit breaker mechanically and electrically interlocked to switch over; can also it can be applied independently in special double power supply automatic switching switch application as the inlet wire automatic change-over application with selective line fault protection function.
Description
Technical field
The present invention relates to middle pressure automatic change-over switch equipment.
Background technology
Middle pressure automatic change-over switch equipment is 12kV and following power supply automated conversion system, dedicated for high reliability
The occasion continuously powered.Suitable for data center, large buildings, intelligent grid, hospital, traffic, airport, command centre and metallurgy
The place of the types such as chemical industry.
The content of the invention
It is an object of the invention to provide automatic change-over switch equipment is pressed in one kind, had using two and mechanically and electrically joined
The vacuum circuit breaker of lock switches over, and can be answered as the inlet wire automatic change-over with selective line fault protection function
With also can be applied independently in special double power supply automatic switching switch application.
To achieve the above object, the technical scheme is that pressing automatic change-over switch equipment during design is a kind of, including control
System processed, the control system configure three kinds of translative mode：Automatic conversion mode, on the spot conversion regime and Remote conversion side
Formula；
When the control system enters any one conversion regime, other two kinds of conversion and controls of locking, prevent more command operations from making
The phenomenon of logical miss occurs.
Preferably, the automatic conversion mode includes two kinds of handoff procedures：Cold standby handoff procedure and stand-by heat switched
Journey；
The cold standby handoff procedure is as follows：
During normal operation, power work is commonly used, stand-by power supply is in maintenance isolated location, breaker open operation；
A1）After system detectio is to conventional supply voltage failure, through delay, breaker open operation；
A2）Operating position is automatically exited from after conventional power circuit breaker separating brake after delay to overhauling isolated location；
A3）After conventional power circuit breaker exits operating position, when backup power source voltage is normal, auxiliaries-supply circuit-breaker will enter automatically
Enter operating position；
A4）Auxiliaries-supply circuit-breaker closes a floodgate, and completes whole handover operations；
The stand-by heat handoff procedure is as follows：
During normal operation, power work is commonly used, the breaker of stand-by power supply is in operating position, breaker open operation；
B1）After system detectio is to conventional supply voltage failure, separating brake is carried out through delay；
B2）When stand-by power supply is normal, by being delayed, auxiliaries-supply circuit-breaker closes a floodgate, so as to complete switching action.
Preferably, the conversion regime on the spot is as follows：
User is selected to switch on the spot at the controller front panel of control system, and conversion equipment control system is exited to vacuum circuit breaker
The control logic of device, two-way lead-in circuit breaker division is controlled at the scene by user.
Preferably, the Remote conversion regime is as follows：
User carries out remote control to automatic transfer switch by remote equipment, and user is by passive node remote control, or utilizes
Communication carries out remote control.
The advantages of the present invention are：There is provided in one kind and press automatic change-over switch equipment, had using two
The vacuum circuit breaker mechanically and electrically interlocked switches over, can be automatic as the inlet wire with selective line fault protection function
Change-over switch application, also it can be applied independently in special double power supply automatic switching switch application.
Automatic change-over switch equipment is pressed in the present invention by four key components：
1. the inlet wire cabinet part for carrying two-way incoming power and switchgear, including bus-bar system, voltage
Current transformer, arrester, high speed grounding switch, electrification display, cable connection branch, alternative route protection and phase
Close secondary device.
2. the vacuum circuit breaker of the excellent performance for accepting major loop conversion executing agency.
3. for judging and perform equipment automatic conversion, the intelligence control system of action message, and possess conversion on the spot or
The various ways Redundant Controls such as remote control conversion.
4. being the interlock system for ensuring personnel and equipment safety operation, mechanical interlocking and electric interlock are provided simultaneously with, it is every kind of
Interlock independent operating, while the security system of constructing system, it is ensured that automatic running and manually-operated dual safety.
The wire inlet system of automatic change-over switch equipment is pressed to inherit KYN28 series metal armouring enclosed switch in the present invention
The design feature of equipment, realize the physical isolation of 2 complete meanings in inlet wire interval.It is easy to maintenance, compact, operation peace
Entirely.
The wire inlet system of automatic change-over switch equipment is pressed to be divided into 2 comprising modules in the present invention：
1- often uses electric power incoming line cabinet
● for connecting with disjunction often with power supply into main bus-bar；
● monitoring stand-by power supply state, when route protection is installed in selection, corresponding selective failture evacuation can be carried out；
● the stand-by power supply of failure can be isolated, individually be overhauled, not influence conventional power supply power supply；
● the five anti-interlocking of cabinet comprising safety operation.
2- stand-by power supply incoming line cabinets
● for connecting and disjunction stand-by power supply, stand-by power supply can be stable civil power, or generator；
● the conventional power supply status of monitoring, when route protection is installed in selection, corresponding selective failture evacuation can be carried out；
● the conventional isolated from power of failure can individually be overhauled, do not influence stand-by power supply power supply；
● the five anti-interlocking of cabinet comprising safety operation.
Zero metal clad switchgear structure, two-way incoming power spaced apart are individually interval, and Field Force can be not
On the premise of influenceing continuous operation, security maintenance and the maintenance of another way trouble power are carried out.
Zero cabinet uses breaker middle structure, greatly facilitates the operation of maintainer, facilitates the maintenance of breaker more
Change.
Smaller appearance and size provides the installation dimension and site layout project of more standard for client.
Zero each cabinet is packed and transported respectively, is flexibly carried and is assembled.
Zero indoor installation uses
Zero each interval is divided into four separate metal separations, and an interval arcing failure will will not influence to be expanded to separately
One interval, relay control room are isolated from other high pressure compartments, can carry out enabling inspection during electrification in high voltage.
Press the vacuum circuit breaker of automatic change-over switch equipment that there are following features in the present invention：
Middle pressure automatic change-over switch equipment uses the vacuum circuit breaker of two unique spacer operations with mechanical interlocking as high
The executing agency switched between road is pushed back, coordinates selective protection relay to cut off fault current, coordinates front end breaker
Also the fault current that can be resistant in short-term within product standard tolerance value.
● vacuum circuit breaker has excellent electric property.
● the breaker that system is individually placed to individual compartment by two is formed, and is provided with what is be fixedly mounted between 2 breakers
Mechanical interlocking and electric interlock, it is ensured that the design requirement of double circuit breaker only one breaker closing at any time.
● vacuum interrupter has the characteristics of high stability, Large Copacity, small size, long-life, highest safety standard.
● reliable pole, it is completely non-maintaining in lifetime, pole is obtained the adaptation of highest external environment condition
Property, meet the demand that breaker is run steadily in the long term under rugged environment.Also greatly mitigate the work of operation maintenance simultaneously.
● it is simple and reliable using the spring operating mechanism of modularized design, while simplifying the internal structure of an organization, it is ensured that mechanism stable is grasped
Make.
In the present invention press automatic change-over switch equipment control system by 1 switch board and carry in wire inlet system two
Platform inlet wire PT hand car forms.
The major function of switch board：
Switch board incorporates complete intelligence control system, in entirety in pressure scheme independent operating dual power supply automatic switchover duty
Energy.Control system integration power monitoring, logic judgment, condition locking, action output, accident alarming, logout, communication networking
It is functional in one Deng institute, it is to manage power supply switching, ensure one of power supply quality, the key core for improving power supply continuity.
System is judged as Main Basiss with voltage, while has the protection of voltage PT breakage lock devices, avoids judging by accident, makes action more
Accurately.
Another critical function of independent switch board is their ability to turn into independent outgoing line interval, can be placed on two
The left side or the right at inlet wire interval, form more flexible schemes such as the outlet of cable up/down or copper bar cabinet top outlet and set,
Can be lifted as bus/it is connected the functions such as switching cabinet with adjacent bus interval formation bus.
Switch board main element forms：
● conversion operation intelligent control unit
● intelligent power energy monitoring and controlling instrument
● system comprehensive intelligent controls touch display screen-giant-screen Panel PC（Only intelligent control system type selecting is standard configuration）
The switching occasion for pressing automatic change-over switch equipment to can apply between multiple power sources in the present invention, is mainly divided into：
One）Civil power-generator
With the arrival in big data epoch, user to the reliability requirement more and more higher of power supply, get over by load capacity and radius of electricity supply
More to grow, the use of high pressure oil machine is increasingly favored by market.Automatic change-over provides one for the application mode
The distinctive functional characteristics of series.It is stopped status when oil machine is normal, starts during switching, in addition to traditional stand-by heat switching mode, specially
The door design standby switching mode of Full-automatic cold, meets oil start characteristic, is carried out in strict accordance with operations staff's working specification automatic
Switching, improves the reliability and security of process comprehensively, and maximum meets the safety requirements of power network.
1. the conventional power supply of detection（Failure）
2. send generator enabling signal
3. carrying out two-position switching automatically, after question generator works well, generator power supply loop is transferred to automatically
4. monitor stand-by power supply（Recover normal）
5. switching by two-position, conventional power supply is automatically shifted to（Can also be manual）
6. send generator stop signal
Two）Civil power-civil power
In civil power-civil power application,
1. the conventional power supply of detection（Failure）
2. it is automatically shifted to stand-by power supply
3. the conventional power supply of monitoring（Recover normal）
4. it is automatically shifted to conventional power supply（Can also be manual）.
Embodiment
With reference to embodiment, the embodiment of the present invention is further described.Following examples are only used for more
Add and clearly demonstrate technical scheme, and can not be limited the scope of the invention with this.
The technical scheme that the present invention is embodied is：
Automatic change-over switch equipment, including control system are pressed in one kind, the control system configures three kinds of translative mode：From turn
Change mode, on the spot conversion regime and Remote conversion regime；
When the control system enters any one conversion regime, other two kinds of conversion and controls of locking, prevent more command operations from making
The phenomenon of logical miss occurs.
The automatic conversion mode includes two kinds of handoff procedures：Cold standby handoff procedure and stand-by heat handoff procedure；
The cold standby handoff procedure is as follows：
During normal operation, power work is commonly used, stand-by power supply is in maintenance isolated location, breaker open operation；
A1）After system detectio is to conventional supply voltage failure, through delay, breaker open operation；
A2）Operating position is automatically exited from after conventional power circuit breaker separating brake after delay to overhauling isolated location；
A3）After conventional power circuit breaker exits operating position, when backup power source voltage is normal, auxiliaries-supply circuit-breaker will enter automatically
Enter operating position；
A4）Auxiliaries-supply circuit-breaker closes a floodgate, and completes whole handover operations；
The stand-by heat handoff procedure is as follows：
During normal operation, power work is commonly used, the breaker of stand-by power supply is in operating position, breaker open operation；
B1）After system detectio is to conventional supply voltage failure, separating brake is carried out through delay；
B2）When stand-by power supply is normal, by being delayed, auxiliaries-supply circuit-breaker closes a floodgate, so as to complete switching action.
The conversion regime on the spot is as follows：
User is selected to switch on the spot at the controller front panel of control system, and conversion equipment control system is exited to vacuum circuit breaker
The control logic of device, two-way lead-in circuit breaker division is controlled at the scene by user.
The Remote conversion regime is as follows：
User carries out remote control to automatic transfer switch by remote equipment, and user is by passive node remote control, or utilizes
Communication carries out remote control.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. automatic change-over switch equipment is pressed in, it is characterised in that including control system, the control system configures three kinds of moduluss of conversion
Formula：Automatic conversion mode, on the spot conversion regime and Remote conversion regime；
When the control system enters any one conversion regime, other two kinds of conversion and controls of locking, prevent more command operations from making
The phenomenon of logical miss occurs.
2. middle pressure automatic change-over switch equipment according to claim 1, it is characterised in that the automatic conversion mode includes
Two kinds of handoff procedures：Cold standby handoff procedure and stand-by heat handoff procedure；
The cold standby handoff procedure is as follows：
During normal operation, power work is commonly used, stand-by power supply is in maintenance isolated location, breaker open operation；
A1）After system detectio is to conventional supply voltage failure, through delay, breaker open operation；
A2）Operating position is automatically exited from after conventional power circuit breaker separating brake after delay to overhauling isolated location；
A3）After conventional power circuit breaker exits operating position, when backup power source voltage is normal, auxiliaries-supply circuit-breaker will enter automatically
Enter operating position；
A4）Auxiliaries-supply circuit-breaker closes a floodgate, and completes whole handover operations；
The stand-by heat handoff procedure is as follows：
During normal operation, power work is commonly used, the breaker of stand-by power supply is in operating position, breaker open operation；
B1）After system detectio is to conventional supply voltage failure, separating brake is carried out through delay；
B2）When stand-by power supply is normal, by being delayed, auxiliaries-supply circuit-breaker closes a floodgate, so as to complete switching action.
3. middle pressure automatic change-over switch equipment according to claim 2, it is characterised in that the conversion regime on the spot is such as
Under：
User is selected to switch on the spot at the controller front panel of control system, and conversion equipment control system is exited to vacuum circuit breaker
The control logic of device, two-way lead-in circuit breaker division is controlled at the scene by user.
4. middle pressure automatic change-over switch equipment according to claim 3, it is characterised in that the Remote conversion regime
It is as follows：
User carries out remote control to automatic transfer switch by remote equipment, and user is by passive node remote control, or utilizes
Communication carries out remote control.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710759822.1A CN107634576A (en) | 2017-08-30 | 2017-08-30 | Middle pressure automatic change-over switch equipment |
| PCT/CN2017/109510 WO2019041545A1 (en) | 2017-08-30 | 2017-11-06 | Automatic medium-voltage transfer switching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710759822.1A CN107634576A (en) | 2017-08-30 | 2017-08-30 | Middle pressure automatic change-over switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107634576A true CN107634576A (en) | 2018-01-26 |
Family
ID=61101369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710759822.1A Pending CN107634576A (en) | 2017-08-30 | 2017-08-30 | Middle pressure automatic change-over switch equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107634576A (en) |
| WO (1) | WO2019041545A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465560A (en) * | 2008-12-29 | 2009-06-24 | 南京南瑞继保电气有限公司 | Method for rapidly switching power supply |
| CN201781316U (en) * | 2010-04-29 | 2011-03-30 | 杭州德赢科技有限公司 | Dual power automatic switching system |
| US20120090966A1 (en) * | 2010-10-18 | 2012-04-19 | Eaton Corporation | Automatic transfer switch with transfer inhibitor |
| CN104901415A (en) * | 2015-06-04 | 2015-09-09 | 天台信沅电器有限公司 | Double-power-supply centralized control device |
| CN205160197U (en) * | 2015-11-20 | 2016-04-13 | Asco电力技术公司 | A control circuit for automatic change -over |
-
2017
- 2017-08-30 CN CN201710759822.1A patent/CN107634576A/en active Pending
- 2017-11-06 WO PCT/CN2017/109510 patent/WO2019041545A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465560A (en) * | 2008-12-29 | 2009-06-24 | 南京南瑞继保电气有限公司 | Method for rapidly switching power supply |
| CN201781316U (en) * | 2010-04-29 | 2011-03-30 | 杭州德赢科技有限公司 | Dual power automatic switching system |
| US20120090966A1 (en) * | 2010-10-18 | 2012-04-19 | Eaton Corporation | Automatic transfer switch with transfer inhibitor |
| CN104901415A (en) * | 2015-06-04 | 2015-09-09 | 天台信沅电器有限公司 | Double-power-supply centralized control device |
| CN205160197U (en) * | 2015-11-20 | 2016-04-13 | Asco电力技术公司 | A control circuit for automatic change -over |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019041545A1 (en) | 2019-03-07 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180126 |
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| RJ01 | Rejection of invention patent application after publication |