CN2613912Y - Intelligent low voltage ac power supply cabinet for converting station - Google Patents
Intelligent low voltage ac power supply cabinet for converting station Download PDFInfo
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- CN2613912Y CN2613912Y CN 03224685 CN03224685U CN2613912Y CN 2613912 Y CN2613912 Y CN 2613912Y CN 03224685 CN03224685 CN 03224685 CN 03224685 U CN03224685 U CN 03224685U CN 2613912 Y CN2613912 Y CN 2613912Y
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- power supply
- automatic change
- programmable logic
- logic controller
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Abstract
Disclosed is an intelligent type low-frequency ac electrical source ark for a converting station, comprising a frame. The electrical source ark is characterized in that the inner of the electrical source ark is provided with an automatic change-over, two breakers, a programmable controller, a display operator module, an electricity quantity monitoring module, a voltage monitoring module, a middle relay and a universal changeover switch SA. The utility model not only realizes the electric and mechanical double deadlock, radically guaranteeing the safe and reliable switch of the electrical source, but also can realize the much electric quantity centralized monitoring, and switch in the long-distance complex automatic control system according to the user demand. The supermatic and the long-distance communication are suitable for realizing the no-man control in the unattended converting station. The utility model has the advantages of scientific design, simple and reasonable structure, terse circuitry, high automation level and convenient maintenance, especially realizing the electric and mechanical double deadlock, automatic switchover and long-distance communication.
Description
Technical field
The utility model relates to the low-voltage alternating current power supply cabinet, especially a kind of intelligent transformer station station low-voltage alternating current power supply cabinet.
Technical background
At present, transformer station station is made up of two kinds of structures usually with the low-voltage alternating current power supply cabinet, a kind of transformer station stand with the low-voltage alternating current power supply cabinet by: rack, double-throw disconnecting link, circuit breaker, current transformer, voltmeter, ammeter, universal seclector, indicator light, connection bus assemble; Another kind of by rack, cutter open, contactor, auxiliary relay, the time relay, current transformer, voltmeter, ammeter, universal seclector, indicator light, connection bus assemble.Transformer station's station low-voltage alternating current power supply cabinet of above-mentioned two kinds of structures, because the double-throw disconnecting link that is adopted can't be realized automatic conversion, the easy oxidation of contacts of contactor, heating, shake, cling, the former can not realize the two lockings of mechanical electric, the latter is easy to generate two-way power supply " collision ", and relay circuit complexity, failure rate height, poor reliability, automaticity are low, can not realize telecommunication, can't satisfy the requirement of comprehensive automation system of transformer substation.
Summary of the invention
The purpose of this utility model is at the deficiency of above-mentioned transformer station station with the existence of low-voltage alternating current power supply cabinet, and a kind of intelligent transformer station station low-voltage alternating current power supply cabinet that can realize the two lockings of mechanical electric, automatic switchover, remote communicating function is provided.
The intelligent transformer station of the utility model station low-voltage alternating current power supply cabinet, comprise: rack is characterized in that: be provided with automatic change-over, two circuit breakers, Programmable Logic Controller, display operation module, electric quantity monitoring module, voltage monitoring module, auxiliary relay and universal seclectors in the rack; Described two circuit breakers are connected between automatic change-over and functional interface that the city is electrically connected, and the functional interface line that is electrically connected with the city inserts Programmable Logic Controller by the voltage monitoring module respectively; The two-way line in addition that is electrically connected with the city is by auxiliary relay and insert automatic change-over and Programmable Logic Controller; The output of automatic change-over ATS is provided with the interface that is connected with load, the output interface line of automatic change-over is respectively by current transformer and connect the electric quantity monitoring module, the output difference of electric quantity monitoring module: insert Programmable Logic Controller through the voltage monitoring module, insert Programmable Logic Controller through universal seclector; Programmable Logic Controller is connected to the display operation module by universal seclector; Programmable Logic Controller is respectively exported line, all is connected with automatic change-over by auxiliary relay, or the interface that is connected with the Central Control Room warning device of setting.
The intelligent transformer station of the utility model uses at the station low-voltage alternating current power supply cabinet, the automatic change-over that is adopted to have the two blocking functions of mechanical electric, and two-way power supply " collision " has thoroughly been avoided in the Machine Design of seesaw type; The body of automatic change-over is special heat resistance material all-sealed structure, has avoided contact oxidation and arc light to leak; Programmable Logic Controller reliability height, ability to communicate strong (band RS485 communication interface) is integrated among the module complicated relay circuit, the automaticity height, the loop simplicity of design, easy to maintenance; The voltage monitoring module of three-phase and four-line makes the automaticity in loop higher, moves more reliable; The full Chinese interface of display operation module makes clear convenience simple to operate; The intelligent power monitoring modular can be monitored electric parameters all on the bus, comprises three-phase voltage, electric current, frequency, meritorious, idle, electric degree, power factor, maximum etc., and has the RS485 communication interface, can directly insert the comprehensive automation Control Network.
The intelligent transformer station of the utility model station low-voltage alternating current power supply cabinet, not only realized electric and mechanical two locking, fundamentally guaranteed the safe and reliable switching of power supply, also can realize the concentrated monitoring of many electric weight easily, and can insert in the long-range comprehensive automation control system according to user's needs.Increasingly automated and telecommunication is convenient to realize unattended operation at unattended substation.
The intelligent transformer station of the utility model station low-voltage alternating current power supply cabinet design science, simple and reasonable for structure, simple in circuits, the automaticity height, easy to maintenance.Especially can realize the two lockings of mechanical electric, automatic switchover and telecommunication.
The intelligent transformer station of the utility model station is provided by the following drawings and embodiment in detail with the concrete structure of low-voltage alternating current power supply cabinet.
Description of drawings
Fig. 1 is an intelligent transformer station station low-voltage alternating current power supply cabinet electricity principle wiring schematic diagram.
Embodiment
Embodiment: can be clear that from Fig. 1 intelligent transformer station station usefulness low-voltage alternating current power supply cabinet is by circuit breaker 1QF, 2QF, automatic change-over ATS, Programmable Logic Controller PLC, display operation module TD, electric quantity monitoring modules A P, voltage monitoring module 1KU, 2KU, 3KU, auxiliary relay KM, K1, K2, K3, K4, K5, K6, K7, indicator light 1HW, 2HW, 1HR, 2HR and universal seclector SA form.It is in the metal cabinet of IP30 that above-mentioned device is installed in a degree of protection.
Described automatic change-over ATS is France's high beautiful SIRCOVER-VE type ATS automatic change-over that traces back; Programmable Logic Controller PLC is a Siemens S7-200 series of PLC Programmable Logic Controller; Display operation module TD is a Siemens TD200 type display operation module; Electric quantity monitoring modules A P is France's high beautiful DIRIS AP type intelligent power monitoring modular that traces back; Voltage monitoring module 1KU, 2KU, 3KU are M3PRC-4W type voltage relay; Auxiliary relay KM, K1, K2, K3, K4, K5, K6, K7 are the MK3P-I type auxiliary relay of OMRON; Universal seclector SA is a LW8-10D602/4 type universal seclector.
Concrete syndeton is as follows between each parts: the functional interface 1N end that is connected with civil power one is directly connected to the N end of voltage monitoring module 1KU, be connected to 8 ends of auxiliary relay KM simultaneously, functional interface 1L1, the 1L2 that is connected with civil power one, 1L3 end is connected to R, Y, the B end of voltage monitoring module 1KU respectively through protective tube 1FUa, 1FUb, 1FUc, the 1L2 end connects 5 ends of auxiliary relay KM in addition through protective tube 1FU, functional interface 1N, the 1L1 that is connected with civil power one, each line of 1L2,1L3 connect 1N, 1R, 1S, the 1T end of automatic change-over ATS simultaneously through circuit breaker 1QF; The functional interface 2N end that is connected with civil power two is directly connected to the N end of voltage monitoring module 2KU, be connected to 9,10 ends of auxiliary relay KM simultaneously, functional interface 2L1, the 2L2 that is connected with civil power two, 2L3 end is connected to R, Y, the B end of voltage monitoring module 2KU respectively through protective tube 2FUa, 2FUb, 2FUc, the 2L2 end connects 2,4 ends of auxiliary relay KM in addition through protective tube 2FU; Indicator light 1HW is connected across 5,8 ends of auxiliary relay KM, and indicator light 2HW is connected across 2,4 and 9,10 ends of auxiliary relay KM; Functional interface 2N, the 2L1 that is connected with civil power two, each line of 2L2,2L3 connect 2N, 2R, 2S, the 2T end of automatic change-over ATS simultaneously through circuit breaker 2QF.1 end one tunnel of auxiliary relay KM also connects 102,402,404 ends of automatic change-over ATS and the A end of electric quantity monitoring modules A P, and another road also connects L1,1L, the 2L end of Programmable Logic Controller PLC; 11 ends one tunnel of auxiliary relay KM also connect 103,403,405 ends of automatic change-over ATS and the X end of electric quantity monitoring modules A P, and this road connects 203,204,205 ends of automatic change-over ATS simultaneously respectively through auxiliary relay K1, K3, K2; Another road also connects the N end of Programmable Logic Controller PLC and auxiliary relay K4, K5, K6, K7.The I0.0 end of the 18 termination Programmable Logic Controller PLC of voltage monitoring module 1KU, the I0.1 end of the 18 termination Programmable Logic Controller PLC of voltage monitoring module 2KU, the line of 15 ends of 15 ends of voltage monitoring module 1KU and voltage monitoring module 2KU also connects 302 ends of automatic change-over ATS, the L+ end of Programmable Logic Controller PLC, 15 ends of voltage monitoring module 3KU and 13 ends of universal seclector SA.202,203,204,205 ends of automatic change-over ATS connect Q0.0, Q0.1, the Q0.2 end of Programmable Logic Controller PLC respectively through auxiliary relay K1, K2, K3,303,304,305 ends of automatic change-over ATS connect I0.5, I0.4, the I0.3 end of Programmable Logic Controller PLC respectively; The N of automatic change-over ATS, U, V, W end are the power output end interface of power cabinet, its N end also inserts the Vn end of electric quantity monitoring modules A P and the N end of voltage monitoring module 3KU, U, V, W end meet S1, the S2 of electric quantity monitoring modules A P respectively through current transformer TAa, TAb, TAc, simultaneously and insert R, Y, the B end of V1, V2, V3 end and the voltage monitoring module 3KU of electric quantity monitoring modules A P, 6,8 ends of the RS485 interface termination universal seclector SA of electric quantity monitoring modules A P.The I0.2 end of the 18 termination Programmable Logic Controller PLC of voltage monitoring module 3KU.Output Q0.3, the Q0.4 of Programmable Logic Controller PLC, Q0.5, Q0.6 are provided with the interface that is connected with the Central Control Room warning device by auxiliary relay K4, K5, K6, K7 respectively, and 2,3,7,8 ends of Programmable Logic Controller PLC meet display operation module TD through universal seclector SA respectively.Output V1, the V2 of electric quantity monitoring modules A P, V3 end is equipped with protective tube 3FUa, 3FUb, 3FUc.The input of auxiliary relay KM is provided with indicator light 1HW, 2HW.403 ends and 405 ends of automatic change-over ATS are provided with indicator light 1HR, 2HR.
Intelligent transformer station station is with the operation principle and the process of low-voltage alternating current power supply cabinet: the automatic switchover of state and control automatic change-over ATS by Programmable Logic Controller PLC monitoring two-way electric power incoming line is implemented under the condition of two-way electric power incoming line and guarantees output bus uninterrupted power supply.Can set five kinds of operational modes as the case may be:
When one, fixed power source one was powered, Programmable Logic Controller PLC control automatic change-over ATS fixedly was closed into the I position, and civil power one is delivered to the load bus power supply;
When two, fixed power source two was powered, Programmable Logic Controller PLC control automatic change-over ATS fixedly was closed into the II position, and civil power two is delivered to the load bus power supply;
When three, stopping power supply, Programmable Logic Controller PLC control automatic change-over ATS fixedly is closed into 0, and promptly while deenergization one and two is at this moment not charged on the load bus, stops power supply;
When four, power supply one is main power supply, if it is normal that Programmable Logic Controller PLC detects power supply one, then Programmable Logic Controller PLC control automatic change-over ATS is closed into the I position, civil power one is delivered to the load bus power supply, otherwise Programmable Logic Controller PLC control automatic change-over ATS is closed into the II position, civil power two is delivered to the load bus power supply, if detecting power supply one, Programmable Logic Controller PLC recovers normal, then Programmable Logic Controller PLC control automatic change-over ATS is closed into the I position, again civil power one is delivered to the load bus power supply, guarantee output bus uninterrupted power supply;
When five, power supply two is main power supply, if it is normal that Programmable Logic Controller PLC detects power supply two, then Programmable Logic Controller PLC control automatic change-over ATS is closed into the II position, civil power two is delivered to the load bus power supply, otherwise Programmable Logic Controller PLC control automatic change-over ATS is closed into the I position, civil power one is delivered to the load bus power supply, if detecting power supply two, Programmable Logic Controller PLC recovers normal, then Programmable Logic Controller PLC control automatic change-over ATS is closed into the II position, again civil power two is delivered to the load bus power supply, guarantee output bus uninterrupted power supply.
Present embodiment is selected Local or Remote control by universal seclector SA, and when selecting local control, above-mentioned five kinds of mode of operations are set by TD; When selecting Long-distance Control, mode of operation is set by host computer.
Present embodiment, an equipment independent operating can be realized the powered operation mode of duplicate supply input single busbar connection output, two equipment paired runnings can be realized the powered operation mode of duplicate supply input sectionalized single busbar connection output.
Present embodiment, can alarm automatically (busbar voltage is unusual, overload, stand with the power supply disappearance etc.) logout and switch changed position (0 to the I position, I position to 0,0 to the II position, II position to 0, I position to the II position, the II position is to the I position etc.) logout, and be sent to the host computer of comprehensive automation control net by RS485.
Present embodiment, by the intelligent power monitoring modular, realize patrolling and examining and showing on the spot of all electric parameters on the load bus (comprising three-phase voltage, three-phase current, frequency, meritorious, idle, electric degree, power factor etc.), and be sent to the host computer that comprehensive automation control is netted by RS485.
Claims (7)
1, a kind of intelligent transformer station stands and uses the low-voltage alternating current power supply cabinet, comprise: rack is characterized in that: be provided with automatic change-over, two circuit breakers, Programmable Logic Controller, display operation module, electric quantity monitoring module, voltage monitoring module, auxiliary relay and universal seclectors in the rack; Described two circuit breakers are connected between automatic change-over and functional interface that the city is electrically connected, and the functional interface line that is electrically connected with the city inserts Programmable Logic Controller by the voltage monitoring module respectively; The two-way line in addition that is electrically connected with the city is by auxiliary relay and insert automatic change-over and Programmable Logic Controller; The output of automatic change-over ATS is provided with the interface that is connected with load, the output interface line of automatic change-over is respectively by current transformer and connect the electric quantity monitoring module, the output difference of electric quantity monitoring module: insert Programmable Logic Controller through the voltage monitoring module, insert Programmable Logic Controller through universal seclector; Programmable Logic Controller is connected to the display operation module by universal seclector; Programmable Logic Controller is respectively exported line, all is connected with automatic change-over by auxiliary relay, or the interface that is connected with the Central Control Room warning device of setting.
2, intelligent transformer station according to claim 1 stands and uses the low-voltage alternating current power supply cabinet, it is characterized in that: output V1, the V2 of electric quantity monitoring modules A P, V3 end is equipped with protective tube 3FUa, 3FUb, 3FUc.
3, intelligent transformer station according to claim 1 and 2 stands and uses the low-voltage alternating current power supply cabinet, and it is characterized in that: 2,4 ends and 5 ends of auxiliary relay KM are respectively equipped with protective tube 1FU, 2FU.
4, intelligent transformer station according to claim 1 and 2 stands and uses the low-voltage alternating current power supply cabinet, and it is characterized in that: the input of auxiliary relay KM is provided with indicator light 1HW, 2HW.
5, intelligent transformer station according to claim 1 and 2 stands and uses the low-voltage alternating current power supply cabinet, and it is characterized in that: 403 ends and 405 ends of automatic change-over ATS are provided with indicator light 1HR, 2HR.
6, intelligent transformer station according to claim 3 stands and uses the low-voltage alternating current power supply cabinet, and it is characterized in that: the input of auxiliary relay KM is provided with indicator light 1HW, 2HW.
7, the special-purpose low-voltage alternating current power supply cabinet of intelligent transformer station according to claim 3, it is characterized in that: 403 ends and 405 ends of ATS automatic change-over 3 are provided with indicator light 1HR, 2HR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03224685 CN2613912Y (en) | 2003-03-25 | 2003-03-25 | Intelligent low voltage ac power supply cabinet for converting station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03224685 CN2613912Y (en) | 2003-03-25 | 2003-03-25 | Intelligent low voltage ac power supply cabinet for converting station |
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| Publication Number | Publication Date |
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| CN2613912Y true CN2613912Y (en) | 2004-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03224685 Expired - Lifetime CN2613912Y (en) | 2003-03-25 | 2003-03-25 | Intelligent low voltage ac power supply cabinet for converting station |
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| CN (1) | CN2613912Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100452613C (en) * | 2006-11-29 | 2009-01-14 | 天津百利特精电气股份有限公司 | PC-automatic switch with regional interlock |
| CN102195239A (en) * | 2010-03-11 | 2011-09-21 | 深圳市泰昂能源科技股份有限公司 | Background-wall-technology-based smart incoming line module |
| CN102403657A (en) * | 2011-10-29 | 2012-04-04 | 枣庄矿业集团高庄煤业有限公司 | Cyfzd intelligent low voltage switch cabinet |
| CN103247938A (en) * | 2013-05-02 | 2013-08-14 | 东莞市亚欧电气科技有限公司 | Intelligent city electricity generation converter cabinet |
| CN110061561A (en) * | 2019-05-24 | 2019-07-26 | 宁波恒升电气有限公司 | A kind of fire-fighting tailored version dual power supply control equipment |
-
2003
- 2003-03-25 CN CN 03224685 patent/CN2613912Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100452613C (en) * | 2006-11-29 | 2009-01-14 | 天津百利特精电气股份有限公司 | PC-automatic switch with regional interlock |
| CN102195239A (en) * | 2010-03-11 | 2011-09-21 | 深圳市泰昂能源科技股份有限公司 | Background-wall-technology-based smart incoming line module |
| CN102195239B (en) * | 2010-03-11 | 2013-12-18 | 深圳市泰昂能源科技股份有限公司 | Background-wall-technology-based smart incoming line module |
| CN102403657A (en) * | 2011-10-29 | 2012-04-04 | 枣庄矿业集团高庄煤业有限公司 | Cyfzd intelligent low voltage switch cabinet |
| CN102403657B (en) * | 2011-10-29 | 2014-05-14 | 枣庄矿业集团高庄煤业有限公司 | CYFZD intelligent low voltage switch cabinet |
| CN103247938A (en) * | 2013-05-02 | 2013-08-14 | 东莞市亚欧电气科技有限公司 | Intelligent city electricity generation converter cabinet |
| CN103247938B (en) * | 2013-05-02 | 2016-04-06 | 东莞市亚欧电气科技有限公司 | Intelligent city electricity generation converter cabinet |
| CN110061561A (en) * | 2019-05-24 | 2019-07-26 | 宁波恒升电气有限公司 | A kind of fire-fighting tailored version dual power supply control equipment |
| CN110061561B (en) * | 2019-05-24 | 2023-03-17 | 宁波恒升电气有限公司 | Special dual-power control equipment for fire fighting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN TAIANG ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN TAIANG ELECTRONICS TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518057, two software park, Nanshan District science and technology, Guangdong two, 14, 703-704, Shenzhen Patentee after: Shenzhen Tieon Energy Technology Co., Ltd. Address before: 518031 deep spinning building, Huaqiang North Road, Shenzhen, Guangdong A1613 Patentee before: Shenzhen Taiang Electronics Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130325 Granted publication date: 20040428 |
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| DD01 | Delivery of document by public notice |
Addressee: Zhao Zhengming Document name: Notification of Expiration of Patent Right Duration |