CN203813531U - Comprehensive power monitoring system of subway traction substation - Google Patents
Comprehensive power monitoring system of subway traction substation Download PDFInfo
- Publication number
- CN203813531U CN203813531U CN201420222758.5U CN201420222758U CN203813531U CN 203813531 U CN203813531 U CN 203813531U CN 201420222758 U CN201420222758 U CN 201420222758U CN 203813531 U CN203813531 U CN 203813531U
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- CN
- China
- Prior art keywords
- electric substation
- comprehensive power
- metro traction
- traction electric
- pressure side
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- 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.)
- Expired - Fee Related
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
Provided is a comprehensive power monitoring system of a subway traction substation. The system comprises an AC voltage transformer and an AC current transformer of an AC mutual inductor group. The AC voltage transformer and the AC current transformer are respectively connected with a signal conditioning circuit. The signal conditioning circuit is connected with an A/D converter. The A/D converter is connected with a 32-bit DSP digital signal processor through a bus interface. The 32-bit DSP digital signal processor is also connected with a watchdog and reset circuit, a peripheral interface circuit, a dual-port RAM, a system power supply, and a system clock. The dual-port RAM is connected with a 32-bit central processor. In addition, an erasable editable logic device EPLD is connected with the 32-bit DSP digital signal processor, the 32-bit central processor, and the dual-port RAM. The structure prevents defects in the prior art that circuit monitoring and control are complicated, universality is not good, and anti-interference capability is not poor.
Description
Technical field
The utility model belongs to metro traction electric substation and uses monitoring technique field, is specifically related to the comprehensive power supervisory control system of a kind of metro traction electric substation.
background technology
Existing domestic and international same category of device can be realized intelligent power supply function, both also can some AC-DC parameters of on-line monitoring, and carry out real-time monitoring alarming according to pre-designed alarm range, but its shortcoming and deficiency are also apparent: supervisory circuit and control are all comparatively complicated; Versatility is not strong, and comprehensive monitoring system of transformer station general and its exploitation supports the use; Antijamming capability is poor.
Summary of the invention
The purpose of this utility model provides the comprehensive power supervisory control system of a kind of metro traction electric substation, the AC voltage transformer that comprises D.C mutual-inductor group is connected with signal conditioning circuit respectively with AC current transformer, signal conditioning circuit is connected with A/D converter, A/D converter is connected with 32 bit DSP digital signal processors by bus interface, 32 bit DSP digital signal processors are also with house dog and reset circuit, peripheral interface circuit, dual port RAM, system power supply and system clock are connected, dual port RAM is also connected with 32 central processing units, erasable Programmadle logic device EPLD is with 32 bit DSP digital signal processors in addition, 32 central processing units and dual port RAM are connected, such structure has been avoided supervisory circuit of the prior art and has been controlled all comparatively complicated, the strong and poor defect of antijamming capability of versatility.
In order to overcome deficiency of the prior art, the utility model provides the comprehensive power supervisory control system of a kind of metro traction electric substation and the solution of method for supervising, specific as follows:
The comprehensive power supervisory control system of a kind of metro traction electric substation, comprise the AC voltage transformer of the three-phase line of the I road low-pressure side of the comprehensive power of parallel connection access metro traction electric substation respectively, the AC voltage transformer of the three-phase line of the comprehensive power II road low-pressure side of metro traction electric substation, the AC current transformer of the three-phase line of the I road low-pressure side of the comprehensive power of series connection access metro traction electric substation, the AC current transformer of the uniline that respectively feeds out loop of the comprehensive power of the AC current transformer of the three-phase line of the comprehensive power II road low-pressure side of series connection access metro traction electric substation and series connection access metro traction electric substation, the AC voltage transformer of the three-phase line of the I road low-pressure side of the comprehensive power of difference access in parallel metro traction electric substation, the AC voltage transformer of the three-phase line of the comprehensive power II road low-pressure side of metro traction electric substation, the AC current transformer of the three-phase line of the I road low-pressure side of the comprehensive power of series connection access metro traction electric substation, the AC current transformer of the uniline that respectively feeds out loop of the comprehensive power of the AC current transformer of the three-phase line of the comprehensive power II road low-pressure side of series connection access metro traction electric substation and series connection access metro traction electric substation has just formed D.C mutual-inductor group 1, the AC voltage transformer of D.C mutual-inductor group 1 is connected with signal conditioning circuit 2 respectively with AC current transformer, the low-side switch of comprehensive power of signal conditioning circuit 2 Ye Tong metro traction electric substations and each low pressure of the comprehensive power of metro traction electric substation feed out circuit switching and are connected, signal conditioning circuit 2 is connected with A/D converter 3, A/D converter 3 is connected with 32 bit DSP digital signal processors 5 by bus interface 4,32 bit DSP digital signal processors 5 are also with house dog and reset circuit 7, peripheral interface circuit 8, dual port RAM 6, system power supply 9 and system clock 10 are connected, dual port RAM 6 is also connected with 32 central processing units 11, erasable Programmadle logic device EPLD12 is with 32 bit DSP digital signal processors 5 in addition, 32 central processing units 11 and dual port RAM 6 are connected.
The bus of using in the comprehensive power supervisory control system of described metro traction electric substation is isolation bus.
The mode that the mode that described dual port RAM 6 is connected with 32 central processing units 11 and 32 bit DSP digital signal processors 5 are connected with dual port RAM 6 is dma mode.
32 described central processing units 11 are also connected with Flash_Memory, and described A/D converter 3 is 16 A/D converters.
Described system power supply is with Isolated Shield cover.
The comprehensive power supervisory control system of metro traction of the present utility model electric substation can be applicable in metro traction electric substation alterating and direct current origin system, also can be widely used in electric power transformation and distribution system, alterating and direct current origin system, for electric substation's unattended operation management mode provides hardware supports, contribute to substation facilities to safely and steadily run.
Accompanying drawing explanation
Figure l is the operation principle structural representation of the comprehensive power supervisory control system of metro traction of the present utility model electric substation.
Embodiment
Below in conjunction with drawings and Examples, utility model content is described further:
Shown in Fig. 1, the comprehensive power supervisory control system of metro traction electric substation, comprise the AC voltage transformer of the three-phase line of the I road low-pressure side of the comprehensive power of parallel connection access metro traction electric substation respectively, the AC voltage transformer of the three-phase line of the comprehensive power II road low-pressure side of metro traction electric substation, the AC current transformer of the three-phase line of the I road low-pressure side of the comprehensive power of series connection access metro traction electric substation, the AC current transformer of the uniline that respectively feeds out loop of the comprehensive power of the AC current transformer of the three-phase line of the comprehensive power II road low-pressure side of series connection access metro traction electric substation and series connection access metro traction electric substation, the AC voltage transformer of the three-phase line of the I road low-pressure side of the comprehensive power of difference access in parallel metro traction electric substation, the AC voltage transformer of the three-phase line of the comprehensive power II road low-pressure side of metro traction electric substation, the AC current transformer of the three-phase line of the I road low-pressure side of the comprehensive power of series connection access metro traction electric substation, the AC current transformer of the uniline that respectively feeds out loop of the comprehensive power of the AC current transformer of the three-phase line of the comprehensive power II road low-pressure side of series connection access metro traction electric substation and series connection access metro traction electric substation has just formed D.C mutual-inductor group 1, the AC voltage transformer of D.C mutual-inductor group 1 is connected with signal conditioning circuit 2 respectively with AC current transformer, the low-side switch of comprehensive power of signal conditioning circuit 2 Ye Tong metro traction electric substations and each low pressure of the comprehensive power of metro traction electric substation feed out circuit switching and are connected, signal conditioning circuit 2 is connected with A/D converter 3, A/D converter 3 is connected with 32 bit DSP digital signal processors 5 by bus interface 4,32 bit DSP digital signal processors 5 are also with house dog and reset circuit 7, peripheral interface circuit 8, dual port RAM 6, system power supply 9 and system clock 10 are connected, dual port RAM 6 is also connected with 32 central processing units 11, erasable Programmadle logic device EPLD12 is with 32 bit DSP digital signal processors 5 in addition, 32 central processing units 11 and dual port RAM 6 are connected.The bus of using in the comprehensive power supervisory control system of described metro traction electric substation is isolation bus.The mode that the mode that described dual port RAM 6 is connected with 32 central processing units 11 and 32 bit DSP digital signal processors 5 are connected with dual port RAM 6 is dma mode.32 described central processing units 11 are also connected with Flash_Memory, and described A/D converter 3 is 16 A/D converters.Described system power supply is with Isolated Shield cover.
The status signal that the status signal of low-side switch of comprehensive power or each low pressure of the comprehensive power of alarm signal and metro traction electric substation by metro traction electric substation feeds out circuit switching or alarm signal are sent into signal conditioning circuit 2 and are carried out signal condition, then the status signal after signal condition or alarm signal are sent into A/D converter 3 and carry out A/D conversion, status signal after A/D conversion or alarm signal are sent in 32 bit DSP digital signal processors 5 and are carried out Digital Signal Processing, status signal after Digital Signal Processing or alarm signal are sent into 32 central processing units 11.Comprehensive power supervisory control system and the method for supervising thereof of metro traction of the present utility model electric substation can be applicable in metro traction electric substation alterating and direct current origin system, also can be widely used in electric power transformation and distribution system, alterating and direct current origin system, for electric substation's unattended operation management mode provides hardware supports, contribute to substation facilities to safely and steadily run.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, according to technical spirit of the present utility model, within spirit of the present utility model and principle, the any simple modification that above embodiment is done, be equal to replacement and improvement etc., within all still belonging to the protection range of technical solutions of the utility model.
Claims (5)
- The comprehensive power supervisory control system of 1.Yi Zhong metro traction electric substation, it is characterized in that comprising the AC voltage transformer of the three-phase line of the I road low-pressure side of the comprehensive power of parallel connection access metro traction electric substation respectively, the AC voltage transformer of the three-phase line of the comprehensive power II road low-pressure side of metro traction electric substation, the AC current transformer of the three-phase line of the I road low-pressure side of the comprehensive power of series connection access metro traction electric substation, the AC current transformer of the uniline that respectively feeds out loop of the comprehensive power of the AC current transformer of the three-phase line of the comprehensive power II road low-pressure side of series connection access metro traction electric substation and series connection access metro traction electric substation, the AC voltage transformer of the three-phase line of the I road low-pressure side of the comprehensive power of difference access in parallel metro traction electric substation, the AC voltage transformer of the three-phase line of the comprehensive power II road low-pressure side of metro traction electric substation, the AC current transformer of the three-phase line of the I road low-pressure side of the comprehensive power of series connection access metro traction electric substation, the AC current transformer of the uniline that respectively feeds out loop of the comprehensive power of the AC current transformer of the three-phase line of the comprehensive power II road low-pressure side of series connection access metro traction electric substation and series connection access metro traction electric substation has just formed D.C mutual-inductor group, the AC voltage transformer of D.C mutual-inductor group is connected with signal conditioning circuit respectively with AC current transformer, the low-side switch of comprehensive power of signal conditioning circuit Ye Tong metro traction electric substation and each low pressure of the comprehensive power of metro traction electric substation feed out circuit switching and are connected, signal conditioning circuit is connected with A/D converter, A/D converter is connected with 32 bit DSP digital signal processors by bus interface, 32 bit DSP digital signal processors are also with house dog and reset circuit, peripheral interface circuit, dual port RAM, system power supply and system clock are connected, dual port RAM is also connected with 32 central processing units, erasable Programmadle logic device EPLD is with 32 bit DSP digital signal processors in addition, 32 central processing units and dual port RAM are connected.
- 2. the comprehensive power supervisory control system of metro traction according to claim 1 electric substation, is characterized in that the bus of using in the comprehensive power supervisory control system of described metro traction electric substation is isolation bus.
- 3. the comprehensive power supervisory control system of metro traction according to claim 2 electric substation, is characterized in that the mode that mode that described dual port RAM is connected with 32 central processing units and 32 bit DSP digital signal processors are connected with dual port RAM is dma mode.
- 4. the comprehensive power supervisory control system of metro traction according to claim 3 electric substation, is characterized in that 32 described central processing units are also connected with Flash_Memory; Described A/D converter is 16 A/D converters.
- 5. the comprehensive power supervisory control system of metro traction according to claim 4 electric substation, is characterized in that described system power supply is with Isolated Shield cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222758.5U CN203813531U (en) | 2014-05-04 | 2014-05-04 | Comprehensive power monitoring system of subway traction substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222758.5U CN203813531U (en) | 2014-05-04 | 2014-05-04 | Comprehensive power monitoring system of subway traction substation |
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| Publication Number | Publication Date |
|---|---|
| CN203813531U true CN203813531U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420222758.5U Expired - Fee Related CN203813531U (en) | 2014-05-04 | 2014-05-04 | Comprehensive power monitoring system of subway traction substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009540A (en) * | 2014-05-04 | 2014-08-27 | 南京铁道职业技术学院 | Monitoring system and method for comprehensive power supply of metro traction substation |
-
2014
- 2014-05-04 CN CN201420222758.5U patent/CN203813531U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009540A (en) * | 2014-05-04 | 2014-08-27 | 南京铁道职业技术学院 | Monitoring system and method for comprehensive power supply of metro traction substation |
| CN104009540B (en) * | 2014-05-04 | 2016-07-06 | 南京铁道职业技术学院 | The comprehensive power monitoring system of a kind of metro traction electric substation and monitoring method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20160504 |