CN201286029Y - Voltage fault backup self activating apparatus - Google Patents
Voltage fault backup self activating apparatus Download PDFInfo
- Publication number
- CN201286029Y CN201286029Y CNU2008201787921U CN200820178792U CN201286029Y CN 201286029 Y CN201286029 Y CN 201286029Y CN U2008201787921 U CNU2008201787921 U CN U2008201787921U CN 200820178792 U CN200820178792 U CN 200820178792U CN 201286029 Y CN201286029 Y CN 201286029Y
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- Prior art keywords
- power
- decompression
- operation device
- backup auto
- activating device
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- Expired - Fee Related
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Abstract
The utility model relates to a spare power auto operation device. The existing spare power auto operation device has some defects during use, the Kunming-Shanghai railway line electric power substation act only when the high potential side power source is in decompression or under the condition of the main power transformer fault, when the high potential side equipment overhauling or converting the system by hand due to other causes, the electric power substation adopts transfer switching by power cut of the whole substation only, thus affecting the order. The technique adopts by the utility model is characterized in that: the decompression spare power auto operation device adopts simulation decompression starting switching mode, is put into operation together with the existing spare power auto operation device, and independently runs respectively. When the main power transformer fault or under the condition of incoming power supply, the existing spare power auto operation device acts, when the equipment overhauling or processing transferring main power trans former (system) due to processing fault, the action is processed by the newly added spare power auto operation device.
Description
Technical field
The utility model relates to a kind of electronic installation, particularly relates to a kind of decompression backup auto-activating device.
Background technology
Backup auto-activating device is meant the stand-by power supply device that comes into operation automatically, and its effect mainly is in electrical production and supply process, reduces to greatest extent to have a power failure.In the situation of bus loss of pressure, backup auto-activating device will bring into operation.Such as the notification number of on November 21st, 2007 bulletin be CN200979999Y Chinese utility model patent backup auto-activating device and on February 6th, 2008 bulletin notification number be the standby automatic bus of Chinese utility model patent microcomputer type of CN201018314Y, a kind of like this backup auto-activating device is all disclosed.
Because in the design, in use there are some defectives in backup auto-activating device, promptly has only in some cases to come into operation automatically.Specifically, though adopt leading domestic Integrated Automation Technology, have characteristics such as remote measurement, remote control such as Shanghai elder brother's line traction substation of China.But because design reasons, its prepared auto restart only moves under high-pressure side power supply decompression or main transformer failure condition, when high-side devices maintenance or other reason need manually be carried out the adjustable voltage system operation, can only take full institute power failure back brake mode, influences the railway transportation order.
The utility model content
The purpose of this project implementation just provides a kind of decompression backup auto-activating device that does not need complete the main transformer that has a power failure down (system) operation just can realize the traction substation overhaul of the equipments.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is: the decompression backup auto-activating device adopts the simulation decompression to start and hauls oneself willingly into mode, drops into simultaneously with existing backup auto-activating device, respectively independent operating.Under main transformer fault or incoming power decompression situation, existing backup auto-activating device action; When overhaul of the equipments or handling failure need carry out manually falling main transformer (system), undertaken by newly-increased backup auto-activating device.
In order to realize above-mentioned technical scheme, the concrete measure of taking is as follows:
1, the decompression backup auto-activating device is installed on the traction substation 2# main transformer observing and controlling dish, does not change in the dish to arrange.
2, the decompression backup auto-activating device is safeguarded simply, and anticipating signal is sent out in self check in good time during the device internal fault.
3, the decompression backup auto-activating device is installed independently mains switch.
4, for guaranteeing that the decompression prepared auto restart is swift in motion, device is not established delay function.
Backup auto-activating device need be handled following semaphore:
(1) remote measurement amount: 4 tunnel
The two-way voltage of 1# inlet wire, the two-way voltage of 2# inlet wire
(2) remote control amount: 12 tunnel
12 circuit breaker signals: 1QF circuit breaker (deciliter position), 2QF circuit breaker (deciliter position), 3QF4QF circuit breaker (deciliter position), 5QF6QF circuit breaker (deciliter position)
Sound and light alarm
(3) remote signalling amount: 6 tunnel
Circuit breaker: 1QF, 2QF, 3QF, 4QF, 5QF, 6QF
(4) communicate by letter with the control centre:
485 serial communications, GPRS communication.
(5) control signal:
Mains switch, prepared auto restart starting switch, change over switch (local, scheduling).
In order to satisfy the requirement of above-mentioned process information amount, determine that concrete scheme is as follows: mainboard adopts TMS320F2812 (32 fixed DSPs), carry 16 tunnel 12 AD on this chip, dominant frequency is 150M, can finish one 32 * 32 or two 16 * 16 s' multiplication accumulating operation at one-period, and the SARAM of 18KB and the Flash of 128KB are provided in the sheet, therefore, directly can realize all functions of backup auto-activating device with a slice 2812.In addition,, consider that data quantity transmitted is few with communicating by letter of scheduling, and with original telecontrol system integration difficulty mutually, can adopt GPRS independently to realize communicating by letter.
The decompression backup auto-activating device also comprises following hardware: exchange interface card YC, CPU card, power insert, switching value input plug-in unit YX, switching value output inserter YK.
Exchange interface card YC system voltage instrument transformer secondary side forceful electric power signal is become the required weak electric signal of protective device, play simultaneously and isolate and anti-interference effect, comprise 4 tunnel analog quantity converters, two line voltages of 1# inlet wire, two line voltages of 2# inlet wire.
CPU card is the core of device, is used to finish functions such as data acquisition, calculating, logic determines, communication and outlet tripping operation combined floodgate.
Power insert is a power module.110V is behind the anti-interference filtration loop for the input of DC power supply voltage, output 5V, 24V.5V is used for each CPU, 24V be used to drive relay and as open into positive supply.Power failure has contact warning output.Device action and haul oneself willingly into the failure alarm relay also be installed on this plug-in unit.
Switching value input plug-in unit YX is made of drive circuit, optocoupler, is used for judging circuit breaker, electric isolating switch breaker tripping and closing position and hauls oneself willingly into the permission signal.
Switching value output inserter YK is made of drive circuit, optocoupler, Panasonic's relay.Device is used for controlling circuit breaker.
The decompression backup auto-activating device is provided with start button at dispatching terminal and traction substation respectively, when needing startup simulation decompression to haul oneself willingly into back brake, can operate by the dispatcher, when telecontrol channel breaks down, according to dispatcher's order, operate by traction substation person on duty scene.
Description of drawings
Fig. 1 traction substation main wiring diagram
Fig. 2 hardware designs figure
Fig. 3 software design figure
Embodiment
In the accompanying drawing 1, the decompression backup auto-activating device satisfies 2 main transformers and hauls oneself willingly into operation mutually, and promptly I returns 1#B and throws mutually and return 2#B and II to II and return 2#B and throw mutually to I and return the 1#B operation.The throwing operation is installed in two circuit breaker 1QF, 3QF, 4QF and circuit breaker 2QF, 5QF, 6QF in the loop respectively by control and realizes that in use isolating switch 1QS, 2QS, the 5QS that installs in the line is in closure state all the time mutually.
In the accompanying drawing 2, the core that decompression is provided the CPU card of device for oneself is a chip TMS 320 F 2812, also comprises ancillary equipment GPRS communication module, 485 interfaces, jtag interface, extends out ROM.Start and drop into and change over switch, the information via chip TMS 320 F 2812 is handled, chip TMS 320 F 2812 exchanges the signal that interface card YC and switching value input plug-in unit YX import into by passing through of accepting of signal conditioning circuit, judge, moving by switching value output inserter YK, startup is hauled oneself willingly into.
In the accompanying drawing 3, during normal operation circuit, backup auto-activating device just comes read switch amount input plug-in unit YX signal by exchanging interface card YC, and is failure to actuate.When under situations such as maintenance, needing to throw mutually, dispatcher or traction substation person on duty press and haul oneself willingly into command switch, operation signal is therefrom broken mouth and is entered, backup auto-activating device begins to start, system detects FLAG=0, illustrate that circuit breaker 1QF is in closure state, work is that I returns 1#B at present, need be transformed into II and return 2#B, and system detects 2#B and whether meets switch condition, if meet then cut-off breaker 3QF4QF, then cut-off breaker 1QF, behind the close circuit breaker 2QF, close circuit breaker 5QF6QF again, haul oneself willingly into success, II returns 2#B and brings into operation.Otherwise, system detects FLAG=1, illustrates that circuit breaker 2QF is in closure state, and work is that II returns 2#B at present, need be transformed into I and return 1#B, system detects 1#B and whether meets switch condition, if meet then cut-off breaker 5QF6QF, and cut-off breaker 2QF then, behind the close circuit breaker 1QF, close circuit breaker 3QF4QF hauls oneself willingly into success again, and I returns 1#B and brings into operation.
Claims (5)
1, decompression backup auto-activating device, it is characterized in that: comprise exchanging interface card, CPU card, power insert, switching value input plug-in unit, switching value output inserter, interchange interface card, switching value output inserter, switching value input plug-in unit link to each other with CPU card by signal conditioning circuit, exchange interface card and comprise that analog quantity converter, switching value input plug-in unit are made of drive circuit, optocoupler, the switching value output inserter is made of drive circuit, optocoupler, relay.
2, decompression backup auto-activating device according to claim 1 is characterized in that: described CPU card adopts 32 fixed DSP.
3, decompression backup auto-activating device according to claim 2 is characterized in that: described 32 fixed DSP can be the TMS320F2812 chip.
4, decompression according to claim 1 is provided the throwing device for oneself, it is characterized in that: described decompression backup auto-activating device can comprise the GPRS communication module.
5, decompression backup auto-activating device according to claim 1, it is characterized in that: described power insert is imported 110V behind the anti-interference filtration loop at DC power supply voltage, output 5V, 24V, power failure has contact warning output, device action also is installed on this plug-in unit and hauls oneself willingly into the failure alarm relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201787921U CN201286029Y (en) | 2008-11-14 | 2008-11-14 | Voltage fault backup self activating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201787921U CN201286029Y (en) | 2008-11-14 | 2008-11-14 | Voltage fault backup self activating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201286029Y true CN201286029Y (en) | 2009-08-05 |
Family
ID=40950997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201787921U Expired - Fee Related CN201286029Y (en) | 2008-11-14 | 2008-11-14 | Voltage fault backup self activating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201286029Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119367A (en) * | 2015-10-08 | 2015-12-02 | 南京南瑞继保电气有限公司 | Digital spare power automatic switching simulation method based on dynamic topology |
-
2008
- 2008-11-14 CN CNU2008201787921U patent/CN201286029Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119367A (en) * | 2015-10-08 | 2015-12-02 | 南京南瑞继保电气有限公司 | Digital spare power automatic switching simulation method based on dynamic topology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20101114 |