CN203838257U - A direct current common grounding electrode state monitoring system - Google Patents
A direct current common grounding electrode state monitoring system Download PDFInfo
- Publication number
- CN203838257U CN203838257U CN201420120585.6U CN201420120585U CN203838257U CN 203838257 U CN203838257 U CN 203838257U CN 201420120585 U CN201420120585 U CN 201420120585U CN 203838257 U CN203838257 U CN 203838257U
- Authority
- CN
- China
- Prior art keywords
- direct current
- tester
- transmitting module
- radio receiving
- receiving transmitting
- 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.)
- Expired - Lifetime
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 75
- 238000012360 testing method Methods 0.000 claims abstract description 52
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000007689 inspection Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000002689 soil Substances 0.000 claims description 23
- 150000003839 salts Chemical class 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000004382 potting Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
Abstract
The utility model discloses a direct current common grounding electrode state monitoring system comprising a test apparatus used for carrying out high voltage testing on a direct current common grounding electrode, an on-line monitoring apparatus used for carrying out on-line monitoring on the direct current common grounding electrode, a portable terminal used for carrying out tour inspection on the direct current common grounding electrode, an operation condition monitoring apparatus used for carrying out operation parameter monitoring on the direct current common grounding electrode, a processor used for receiving monitored data, a communication apparatus used for sending monitored data obtained by the test apparatus, the on-line monitoring apparatus, the portable terminal and the operation condition monitoring apparatus to a processor, a display screen connected with the processor and used for displaying the monitored data and an alarm connected with the processor and used for carrying out alarming according to the monitored data. The direct current common grounding electrode state monitoring system carries out state assessment on direct current common grounding electrode state monitoring through multiple monitoring data, so that unitary state assessment is broken through and reliability of direct current system operation is raised.
Description
Technical field
The utility model relates to straight-flow system service technique field, is specifically related to a kind of direct current One Common Earthing Electrode condition monitoring system.
Background technology
High voltage dc transmission technology is widely used in long distance, jumbo the West-to-East Electricity Transmission Project, receiving end (as Shanghai, Guangdong) has current conversion station and the earthing pole thereof of many DC engineerings, simultaneously because receiving end is rapid economic development region, land resource is more nervous, therefore many direct current receiving end current conversion stations are adopted to One Common Earthing Electrode, to saving investment, the minimizing later stage operation maintenance work of DC engineering, improve land utilization ratio and have great significance.Multinomial engineering adopts One Common Earthing Electrode at present, as ± 500kV Shenzhen current conversion station and ± 800kV fringe east current conversion station One Common Earthing Electrode, ± 500kV Zhaoqing current conversion station and ± 800kV overseas Chinese hometown current conversion station One Common Earthing Electrode.Yet earthing pole is apart from the distance of current conversion station, its body is buried under earth's surface, and its running status is having a strong impact on the operation of a plurality of DC engineerings, grasps One Common Earthing Electrode running status and faces new challenges.The domestic feeder cable of on-line monitoring earthing pole, the parameter amounts such as water level of negative well of having adopted, but for parameter amounts such as diverting coefficient, step voltage, touch voltages between One Common Earthing Electrode shortage stake resistance, earthing pole, simultaneously current domestic temporary needleless is to the comprehensive status monitoring of One Common Earthing Electrode, its status monitoring information comprises the on-line monitoring amount of system, regular tour record, high-potting data and historical account data message, considers the general level of the health of One Common Earthing Electrode work under the multifactor effect of status monitoring information.Therefore, for overcoming the isolatism of current earthing pole on-line monitoring parameter amount, the on-line monitoring system data of replenishment system, a kind of direct current One Common Earthing Electrode condition monitoring system has been proposed, improve the reliable rate of direct current One Common Earthing Electrode, ensure the reliable and stable supply of electric power, promoted the sustainable growth of national economy.
The utility model is under National 863 planning item fund (2012AA050209) is subsidized, and has proposed a kind of direct current One Common Earthing Electrode condition monitoring system.
Utility model content
The purpose of this utility model is to overcome the isolatism of current earthing pole on-line monitoring parameter amount, and the on-line monitoring system data of replenishment system, improve status monitoring system, has proposed a kind of direct current One Common Earthing Electrode condition monitoring system.
For realizing above object, the utility model has been taked following technical scheme:
A direct current One Common Earthing Electrode condition monitoring system, it comprises: for direct current One Common Earthing Electrode being carried out to the test apparatus of high-potting; For direct current One Common Earthing Electrode being carried out to the on-Line Monitor Device of on-line monitoring; For the portable terminal that direct current One Common Earthing Electrode is maked an inspection tour; For the operating condition monitoring arrangement that direct current One Common Earthing Electrode is carried out to operational factor monitoring; The processor of the Monitoring Data of obtaining for acceptance test instrument, on-Line Monitor Device, portable terminal, operating condition monitoring arrangement; For the Monitoring Data that described test apparatus, on-Line Monitor Device, portable terminal, operating condition monitoring arrangement are obtained, be all sent to the communication device of processor; And be connected for display screen that described Monitoring Data is shown with processor, be connected the alarm for reporting to the police according to described Monitoring Data with processor.
Described direct current One Common Earthing Electrode comprises the first earthing pole body and the second earthing pole body, the first feeder cable, the 3rd ground electrode circuit, the first ground electrode circuit, the second ground electrode circuit and the first disconnecting link and the second disconnecting link, one end of described the first ground electrode circuit and the second ground electrode circuit is connected to the first current conversion station and the second current conversion station, its other end is all connected to one end of bus rod, described the first disconnecting link and the second disconnecting link are connected on the first ground electrode circuit and the second ground electrode circuit, described the first earthing pole body is connected to the other end of bus rod by the first feeder cable, described the second earthing pole body is by the second feeder cable, the 3rd ground electrode circuit is connected to the other end of bus rod, described the second feeder cable, between the 3rd ground electrode circuit, be provided with solid tie point.
Described communication device comprises the first radio receiving transmitting module being connected with the output terminal of test apparatus, the second radio receiving transmitting module being connected with the output terminal of on-Line Monitor Device, the 3rd radio receiving transmitting module being connected with the output terminal of portable terminal, the 4th radio receiving transmitting module being connected with the output terminal of operating condition monitoring arrangement, and the 5th radio receiving transmitting module being connected with the input end on state estimation backstage, described the first radio receiving transmitting module, the second radio receiving transmitting module, the 3rd radio receiving transmitting module, the 4th radio receiving transmitting module all carries out data transmission with the 5th radio receiving transmitting module by wireless network.
Described test apparatus comprises instrument for measuring DC resistance, earth resistance tester, pH value tester, soil resistivity tester, device for testing water content of soil, soil salt tester, holard dissolubility tester and the soil corrosion potential test instrument being connected between direct current One Common Earthing Electrode and the first radio receiving transmitting module.
Described on-Line Monitor Device comprises the first step voltage tester, the second step voltage tester, the first touch voltage tester, the second touch voltage tester, the first salt density test instrument, the second salt density test instrument and the first creepage distance tester and the second creepage distance tester being connected between direct current One Common Earthing Electrode and the second radio receiving transmitting module; Wherein, described the first step voltage tester is all connected with the first earthing pole body with the first touch voltage tester, described the second step voltage tester is all connected with the second earthing pole body with the second touch voltage tester, described the first salt density test instrument is connected with the first disconnecting link, the second disconnecting link respectively with the second salt density test instrument, and described the first creepage distance tester is connected with the pillar of the first disconnecting link and the pillar of the second disconnecting link respectively with the second creepage distance tester.
Described portable terminal comprises the first temperature measuring device being connected between direct current One Common Earthing Electrode and the 3rd radio receiving transmitting module, the second temperature measuring device, the 3rd temperature measuring device, the 4th temperature measuring device, and the first height of water level measuring instrument, the second height of water level measuring instrument, wherein, the first temperature measuring device and the second temperature measuring device are respectively used to monitor the running temperature of the first disconnecting link and the second disconnecting link, the 3rd temperature measuring device and the 4th temperature measuring device are respectively used to monitor the temperature of the first earthing pole body and the second earthing pole body, described the first height of water level measuring instrument and the second height of water level measuring instrument are respectively used to monitor the negative well height of water level of the first earthing pole body and the second earthing pole body.
Described operating condition monitoring arrangement comprises the first entrance voltage transformer (VT) being connected between direct current One Common Earthing Electrode and the 4th radio receiving transmitting module, the first entrance current transformer, the second entrance voltage transformer (VT), the second entrance current transformer and the 3rd current transformer and the 4th current transformer, wherein, the first entrance voltage transformer (VT) and the first entrance current transformer are respectively used to monitor entrance voltage and the entrance electric current of the first ground electrode circuit, the second entrance voltage transformer (VT) and the second entrance current transformer are respectively used to monitor entrance voltage and the entrance electric current of the second ground electrode circuit, the 3rd current transformer and the 4th current transformer are respectively used to monitor the electric current of the first feeder cable and the second feeder cable.
The utility model compared with prior art, tool has the following advantages: the utility model carries out the state estimation of direct current One Common Earthing Electrode status monitoring based on preventive trial data, online monitoring data, tour data, operation of power networks monitoring data, soil texture correction factor, break through the at present single state estimation carrying out for preventive trial or online monitoring data or manual patrol data simultaneously, improve the reliable rate of straight-flow system.
Accompanying drawing explanation
Fig. 1 is the structural representation of direct current One Common Earthing Electrode in the utility model;
Fig. 2 is the structured flowchart of the utility model direct current One Common Earthing Electrode condition monitoring system;
Fig. 3 is the data transmission schematic diagram of test apparatus in Fig. 2;
Fig. 4 is the data transmission schematic diagram of on-Line Monitor Device in Fig. 2;
Fig. 5 is the data transmission schematic diagram of portable terminal in Fig. 2;
Fig. 6 is as the data transmission schematic diagram of operating condition monitoring arrangement in 2.
Wherein: 100, direct current One Common Earthing Electrode; 200, bus rod; 300, the first current conversion station; 400, the second current conversion station; 10, the first earthing pole body; 20, the second earthing pole body; 30, the first feeder cable; 40, the 3rd ground electrode circuit; 50, the first disconnecting link; 60, the second disconnecting link; 70, the first ground electrode circuit; 80, the second ground electrode circuit; 90, the second feeder cable; 901, solid tie point; 2, test apparatus; 21, instrument for measuring DC resistance; 22, earth resistance tester; 23, pH value tester; 24, soil resistivity tester; 25, device for testing water content of soil; 26, soil salt tester; 27, holard dissolubility tester; 28, soil corrosion potential test instrument; 3, on-Line Monitor Device; 31, the first step voltage tester; 32, the second step voltage tester; 33, the first touch voltage tester; 34, the second touch voltage tester; 35, the first salt density test instrument; 36, the second salt density test instrument; 37, the first creepage distance tester; 38, the second creepage distance tester; 4, portable terminal; 41, the first temperature measuring device; 42, the second temperature measuring device; 43, the 3rd temperature measuring device; 44, the 4th temperature measuring device; 45, the first height of water level measuring instrument; 46, the second height of water level measuring instrument; 5, operating condition monitoring arrangement; 51, the first entrance voltage transformer (VT); 52, the first entrance current transformer; 53, the second entrance voltage transformer (VT); 54, the second entrance current transformer; 55, the 3rd current transformer; 56, the 4th current transformer; 57, signal processing unit; 6, communication device; 61, the first radio receiving transmitting module; 62, the second radio receiving transmitting module; 63, the 3rd radio receiving transmitting module; 64, the 4th radio receiving transmitting module; 65, the 5th radio receiving transmitting module; 7, processor; 8, display screen; 9, alarm.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present utility model is described in further details.
Embodiment:
Refer to shown in Fig. 1, direct current One Common Earthing Electrode 100 comprises the first earthing pole body 10 and the second earthing pole body 20, the first feeder cable 30, the 3rd ground electrode circuit 40, the first ground electrode circuit 70, the second ground electrode circuit 80 and the first disconnecting link 50 and the second disconnecting link 60, one end of the first ground electrode circuit 70 and the second ground electrode circuit 80 is connected to the first current conversion station 300 and the second current conversion station 400, its other end is all connected to one end of bus rod 200, the first disconnecting link 50 and the second disconnecting link 60 are connected on the first ground electrode circuit 70 and the second ground electrode circuit 80, the first earthing pole body 10 is connected to the other end of bus rod 200 by the first feeder cable 30, the second earthing pole body 20 is by the second feeder cable 90, the 3rd ground electrode circuit 40 is connected to the other end of bus rod 200, the second feeder cable 90, between the 3rd ground electrode circuit 40, be provided with solid tie point 901.
Please refer to shown in Fig. 2, a kind of direct current One Common Earthing Electrode condition monitoring system, it comprises: for direct current One Common Earthing Electrode 100 being carried out to the test apparatus 2 of high-potting; For direct current One Common Earthing Electrode 100 being carried out to the on-Line Monitor Device 3 of on-line monitoring; For the portable terminal 4 that direct current One Common Earthing Electrode 100 is maked an inspection tour; For the operating condition monitoring arrangement 5 that direct current One Common Earthing Electrode 100 is carried out to operational factor monitoring; The processor 7 of the Monitoring Data of obtaining for acceptance test instrument 2, on-Line Monitor Device 3, portable terminal 4, operating condition monitoring arrangement 5; For the Monitoring Data that test apparatus 2, on-Line Monitor Device 3, portable terminal 4, operating condition monitoring arrangement 5 are obtained, be all sent to the communication device 6 of processor 7; And be connected for display screen 8 that Monitoring Data is shown with processor 7, be connected the alarm 9 for reporting to the police according to Monitoring Data with processor 7.Communication device 6 comprises the first radio receiving transmitting module 61 being connected with the output terminal of test apparatus 2, the second radio receiving transmitting module 62 being connected with the output terminal of on-Line Monitor Device 3, the 3rd radio receiving transmitting module 63 being connected with the output terminal of portable terminal 4, the 4th radio receiving transmitting module 64 being connected with the output terminal of operating condition monitoring arrangement 5, and the 5th radio receiving transmitting module 65 being connected with the input end of processor 7, the first radio receiving transmitting module 61, the second radio receiving transmitting module 62, the 3rd radio receiving transmitting module 63, the 4th radio receiving transmitting module 64 all carries out data transmission with the 5th radio receiving transmitting module 65 by wireless network.
Please refer to shown in Fig. 3, test apparatus 2 comprises instrument for measuring DC resistance 21, earth resistance tester 22, pH value tester 23, soil resistivity tester 24, device for testing water content of soil 25, soil salt tester 26, holard dissolubility tester 27 and the soil corrosion potential test instrument 28 being connected between direct current One Common Earthing Electrode 100 and the first radio receiving transmitting module 61.
Please refer to shown in Fig. 4.On-Line Monitor Device 3 comprises the first step voltage tester 31, the second step voltage tester 32, the first touch voltage tester 33, the second touch voltage tester 34, the first salt density test instrument 35, the second salt density test instrument 36 and the first creepage distance tester 37 and the second creepage distance tester 38 being connected between direct current One Common Earthing Electrode 100 and the second radio receiving transmitting module 62; Wherein, the first step voltage tester 31 is all connected with the first earthing pole body 10 with the first touch voltage tester 33, the second step voltage tester 32 is all connected with the second earthing pole body 20 with the second touch voltage tester 34, the first salt density test instrument 35 is connected with the first disconnecting link 50, the second disconnecting link 60 respectively with the second salt density test instrument 36, and the first creepage distance tester 37 is connected with the pillar of the first disconnecting link 50 and the pillar of the second disconnecting link 60 respectively with the second creepage distance tester 38.
Please refer to shown in Fig. 5, portable terminal 4 comprises the first temperature measuring device 41 being connected between direct current One Common Earthing Electrode 100 and the 3rd radio receiving transmitting module 63, the second temperature measuring device 42, the 3rd temperature measuring device 43, the 4th temperature measuring device 44, and the first height of water level measuring instrument 45, the second height of water level measuring instrument 46, wherein, the first temperature measuring device 41 and the second temperature measuring device 42 are respectively used to monitor the running temperature of the first disconnecting link 50 and the second disconnecting link 60, the 3rd temperature measuring device 43 and the 4th temperature measuring device 44 are respectively used to monitor the temperature of the first earthing pole body 10 and the second earthing pole body 20, the first height of water level measuring instrument 45 and the second height of water level measuring instrument 46 are respectively used to monitor the negative well height of water level of the first earthing pole body 10 and the second earthing pole body 20.
Please refer to shown in Fig. 6, operating condition monitoring arrangement 5 comprises the first entrance voltage transformer (VT) 51 being connected between direct current One Common Earthing Electrode 100 and signal processing unit 57 input ends, the first entrance current transformer 52, the second entrance voltage transformer (VT) 53, the second entrance current transformer 54 and the 3rd current transformer 55 and the 4th current transformer 56, signal processing unit 57 output terminals are connected with the 4th radio receiving transmitting module 64, wherein, the first entrance voltage transformer (VT) 51 and the first entrance current transformer 52 are respectively used to monitor entrance voltage and the entrance electric current of the first ground electrode circuit 70, the second entrance voltage transformer (VT) 53 and the second entrance current transformer 54 are respectively used to monitor entrance voltage and the entrance electric current of the second ground electrode circuit 80, the 3rd current transformer 55 and the 4th current transformer 56 are respectively used to monitor the electric current of the first feeder cable 30 and the second feeder cable 90.
In the present embodiment, direct current One Common Earthing Electrode 100 adopts the One Common Earthing Electrode of Pu'er to overseas Chinese hometown DC engineering, high slope to Zhaoqing DC engineering; The communication device 6 that adopts GPRS module to carry out Wireless Data Transmission adopts the R-8552/8554GPRS DTU of GEMOTECH; Instrument for measuring DC resistance 21 adopts Yangzhou to open up the general electric TPZRC-S of Science and Technology Ltd. three-channel direct current resistance tester; Earth resistance tester 22 adopts the two pincers of the HT5600 of Wuhan City Huatian Electric Power Automation Co., Ltd. multi-function grounding resistance test instrument; PH value tester 23 adopts the desk-top digitizing pH/ORP of the HQ411D of Hash company analyser; Soil resistivity tester 24 adopts Guangzhou Yitai Electronic Technology Co., Ltd ETCR3000B; Device for testing water content of soil 25 adopts the permanent safe foundation for a great undertaking test apparatus H-4114 of the factory water cut density tester in Hebei; Soil salt tester 26 adopts the high intelligent soil environment test of Beijing Meng Chuan great achievement SU-LFH of Science and Technology Ltd. and analysis and evaluation system equipment; Holard dissolubility tester 27 adopts the high intelligent soil environment test of Beijing Meng Chuan great achievement SU-LFH of Science and Technology Ltd. and analysis and evaluation system equipment; Soil corrosion potential test instrument 28 adopts the Asia-Europe De Peng soil erosion field combination tester DP-TFY-2 of Science and Technology Ltd. in Beijing; Processor 7 adopts the PowerEdgeR410 of Dell, certainly, also can select the process chip such as dsp processor or PLD; The first step voltage tester 31, the second step voltage tester 32, the first touch voltage tester 33 and the second touch voltage tester 34 all adopt the north of the Changjiang River, the Ningbo Rui Ke great achievement LX-9830 of Instrument Ltd. fall-of potential test instrument; The first salt density test instrument 35 and the second salt density test instrument 36 all adopt Wuhan City Huatian Electric Power Automation Co., Ltd.'s HTYM-H Intelligent electric to lead salt density test instrument; The first creepage distance tester 37 and the second creepage distance tester 38 all adopt Beijing CoroCAM504 of Hong Puweishi image technique company limited ultraviolet imager; The first temperature measuring device 41, the second temperature measuring device 42, the 3rd temperature measuring device 43 and the 4th temperature measuring device 44 all adopt the hand-held multi way temperature tester of the AT4208 of Changzhou An Bai exact instrument company limited; The first height of water level measuring instrument 45 and the second height of water level measuring instrument 46 all adopt the SCA10-1 of Xiamen Yaxon Networks Co., Ltd. type acoustic water level; The first entrance current transformer 52, the second entrance current transformer 54 and the 3rd current transformer 55 and the 4th current transformer 56 all adopt the Hunan Liling torch electroceramics 220KV of Electrical Appliances Co., Ltd inverted type current transformer LVB-220W; The first entrance voltage transformer (VT) 51 and the second entrance voltage transformer (VT) 53 all adopt the TYD220-220kV of Siyuan Electric Co., Ltd. capacitance type potential transformer.
Above-listed detailed description is for the illustrating of the utility model possible embodiments, and this embodiment is not in order to limit the scope of the claims of the present utility model, does not allly depart from the equivalence that the utility model does and implements or change, all should be contained in the scope of the claims of this case.
Claims (7)
1. a direct current One Common Earthing Electrode condition monitoring system, is characterized in that, it comprises: for direct current One Common Earthing Electrode (100) being carried out to the test apparatus (2) of high-potting; For direct current One Common Earthing Electrode (100) being carried out to the on-Line Monitor Device (3) of on-line monitoring; For the portable terminal (4) that direct current One Common Earthing Electrode (100) is maked an inspection tour; For the operating condition monitoring arrangement (5) that direct current One Common Earthing Electrode (100) is carried out to operational factor monitoring; The processor (7) of the Monitoring Data of obtaining for acceptance test instrument (2), on-Line Monitor Device (3), portable terminal (4), operating condition monitoring arrangement (5); For the Monitoring Data that described test apparatus (2), on-Line Monitor Device (3), portable terminal (4), operating condition monitoring arrangement (5) are obtained, be all sent to the communication device (6) of processor (7); And be connected for display screen (8) that described Monitoring Data is shown with processor (7), be connected with processor (7) and be used for the alarm (9) of reporting to the police according to described Monitoring Data.
2. direct current One Common Earthing Electrode condition monitoring system according to claim 1, it is characterized in that, described direct current One Common Earthing Electrode (100) comprises the first earthing pole body (10) and the second earthing pole body (20), the first feeder cable (30), the 3rd ground electrode circuit (40), the first ground electrode circuit (70), the second ground electrode circuit (80) and the first disconnecting link (50) and the second disconnecting link (60), one end of described the first ground electrode circuit (70) and the second ground electrode circuit (80) is connected to the first current conversion station (300) and the second current conversion station (400), its other end is all connected to one end of bus rod (200), described the first disconnecting link (50) and the second disconnecting link (60) are connected on the first ground electrode circuit (70) and the second ground electrode circuit (80), described the second earthing pole body (20) is by the second feeder cable (90), the 3rd ground electrode circuit (40) is connected to the other end of bus rod (200), described the second feeder cable (90), between the 3rd ground electrode circuit (40), be provided with solid tie point (901).
3. direct current One Common Earthing Electrode condition monitoring system according to claim 2, it is characterized in that, described communication device (6) comprises the first radio receiving transmitting module (61) being connected with the output terminal of test apparatus (2), the second radio receiving transmitting module (62) being connected with the output terminal of on-Line Monitor Device (3), the 3rd radio receiving transmitting module (63) being connected with the output terminal of portable terminal (4), the 4th radio receiving transmitting module (64) being connected with the output terminal of operating condition monitoring arrangement (5), and the 5th radio receiving transmitting module (65) being connected with the input end of processor (7), described the first radio receiving transmitting module (61), the second radio receiving transmitting module (62), the 3rd radio receiving transmitting module (63), the 4th radio receiving transmitting module (64) all carries out data transmission with the 5th radio receiving transmitting module (65) by wireless network.
4. direct current One Common Earthing Electrode condition monitoring system according to claim 3, it is characterized in that, described test apparatus (2) comprises instrument for measuring DC resistance (21), earth resistance tester (22), pH value tester (23), soil resistivity tester (24), device for testing water content of soil (25), soil salt tester (26), holard dissolubility tester (27) and the soil corrosion potential test instrument (28) being connected between direct current One Common Earthing Electrode (100) and the first radio receiving transmitting module (61).
5. direct current One Common Earthing Electrode condition monitoring system according to claim 3, it is characterized in that, described on-Line Monitor Device (3) comprises the first step voltage tester (31), the second step voltage tester (32), the first touch voltage tester (33), the second touch voltage tester (34), the first salt density test instrument (35), the second salt density test instrument (36) and the first creepage distance tester (37) and the second creepage distance tester (38) being connected between direct current One Common Earthing Electrode (100) and the second radio receiving transmitting module (62), wherein, described the first step voltage tester (31) is all connected with the first earthing pole body (10) with the first touch voltage tester (33), described the second step voltage tester (32) is all connected with the second earthing pole body (20) with the second touch voltage tester (34), described the first salt density test instrument (35) and the second salt density test instrument (36) respectively with the first disconnecting link (50), the second disconnecting link (60) is connected, described the first creepage distance tester (37) is connected with the pillar of the first disconnecting link (50) and the pillar of the second disconnecting link (60) respectively with the second creepage distance tester (38).
6. direct current One Common Earthing Electrode condition monitoring system according to claim 3, it is characterized in that, described portable terminal (4) comprises the first temperature measuring device (41) being connected between direct current One Common Earthing Electrode (100) and the 3rd radio receiving transmitting module (63), the second temperature measuring device (42), the 3rd temperature measuring device (43), the 4th temperature measuring device (44), and the first height of water level measuring instrument (45), the second height of water level measuring instrument (46), wherein, the first temperature measuring device (41) and the second temperature measuring device (42) are respectively used to monitor the running temperature of the first disconnecting link (50) and the second disconnecting link (60), the 3rd temperature measuring device (43) and the 4th temperature measuring device (44) are respectively used to monitor the temperature of the first earthing pole body (10) and the second earthing pole body (20), described the first height of water level measuring instrument (45) and the second height of water level measuring instrument (46) are respectively used to monitor the negative well height of water level of the first earthing pole body (10) and the second earthing pole body (20).
7. direct current One Common Earthing Electrode condition monitoring system according to claim 3, it is characterized in that, described operating condition monitoring arrangement (5) comprises the first entrance voltage transformer (VT) (51) being connected between direct current One Common Earthing Electrode (100) and signal processing unit (57) input end, the first entrance current transformer (52), the second entrance voltage transformer (VT) (53), the second entrance current transformer (54) and the 3rd current transformer (55) and the 4th current transformer (56), signal processing unit (57) output terminal is connected with the 4th radio receiving transmitting module (64), wherein, the first entrance voltage transformer (VT) (51) and the first entrance current transformer (52) are respectively used to monitor entrance voltage and the entrance electric current of the first ground electrode circuit (70), the second entrance voltage transformer (VT) (53) and the second entrance current transformer (54) are respectively used to monitor entrance voltage and the entrance electric current of the second ground electrode circuit (80), the 3rd current transformer (55) and the 4th current transformer (56) are respectively used to monitor the electric current of the first feeder cable (30) and the second feeder cable (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120585.6U CN203838257U (en) | 2014-03-17 | 2014-03-17 | A direct current common grounding electrode state monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120585.6U CN203838257U (en) | 2014-03-17 | 2014-03-17 | A direct current common grounding electrode state monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838257U true CN203838257U (en) | 2014-09-17 |
Family
ID=51516081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420120585.6U Expired - Lifetime CN203838257U (en) | 2014-03-17 | 2014-03-17 | A direct current common grounding electrode state monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203838257U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407205A (en) * | 2014-12-01 | 2015-03-11 | 国网上海市电力公司 | Step voltage alarm system |
| CN105762825A (en) * | 2016-04-06 | 2016-07-13 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | DC grounding electrode system and interconnection method |
| CN106093588A (en) * | 2016-07-07 | 2016-11-09 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of direct current grounding pole earth resistance accurate measuring systems and method |
| CN106655073A (en) * | 2016-11-07 | 2017-05-10 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Converter station pole control system inter-electrode and inter-station communication redundancy apparatus and inter-electrode and inter-station communication method |
| CN109142429A (en) * | 2017-06-15 | 2019-01-04 | 南方电网科学研究院有限责任公司 | A kind of detection system and detection method of vertical grounding electrode temperature characteristic |
-
2014
- 2014-03-17 CN CN201420120585.6U patent/CN203838257U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407205A (en) * | 2014-12-01 | 2015-03-11 | 国网上海市电力公司 | Step voltage alarm system |
| CN105762825A (en) * | 2016-04-06 | 2016-07-13 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | DC grounding electrode system and interconnection method |
| CN105762825B (en) * | 2016-04-06 | 2018-06-05 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of DC earthing electrode systems and the method for interconnection |
| CN106093588A (en) * | 2016-07-07 | 2016-11-09 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of direct current grounding pole earth resistance accurate measuring systems and method |
| CN106655073A (en) * | 2016-11-07 | 2017-05-10 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Converter station pole control system inter-electrode and inter-station communication redundancy apparatus and inter-electrode and inter-station communication method |
| CN109142429A (en) * | 2017-06-15 | 2019-01-04 | 南方电网科学研究院有限责任公司 | A kind of detection system and detection method of vertical grounding electrode temperature characteristic |
| CN109142429B (en) * | 2017-06-15 | 2024-04-16 | 南方电网科学研究院有限责任公司 | Detection system and detection method for temperature rise characteristic of vertical grounding electrode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203838257U (en) | A direct current common grounding electrode state monitoring system | |
| CN103913655B (en) | A kind of direct current One Common Earthing Electrode condition monitoring system and state evaluating method | |
| CN103234584B (en) | A kind of SF 6isolated dc sleeve pipe fault diagnosis system and diagnostic method | |
| CN103761854A (en) | Testing and debugging system for low-voltage meter concentrated reading district | |
| CN105112921A (en) | Intelligent anti-corrosion protecting and monitoring system of grounding network | |
| CN103389408A (en) | High-voltage single-core cable sheath grounding current on-line monitoring device and control method | |
| CN106707030A (en) | Method and device for measuring grounding impedance and power loss of distribution transformer | |
| CN205540221U (en) | Power station remote monitering system based on thing networking | |
| CN104198857B (en) | Fault detector distant communication terminal | |
| CN203276553U (en) | Low-voltage long-distance centralized meter reading system based on double-wire communication | |
| CN205103296U (en) | Detection apparatus for reveal electric current with non - contact pick up to special high voltage direct current arrester | |
| CN204188715U (en) | A kind of distribution line real-time working condition inverting pilot system | |
| CN205176158U (en) | Electric capacity type current transformer on -line measuring device | |
| CN211151617U (en) | Low-voltage distribution automation system | |
| CN104157123A (en) | Intelligent load monitoring system | |
| CN202956146U (en) | Monitoring device of detection well of DC (direct current) earth electrode and system thereof | |
| CN103267912A (en) | Risk assessment system and risk assessment method for direct-current transmission wall bushing | |
| CN204258442U (en) | A kind of transformer neutral point DC current monitoring system | |
| CN204287390U (en) | Electric Power Equipment Insulation performance wireless type automatic monitoring system | |
| CN202600948U (en) | Wireless data acquisition device in energy consumption monitoring system | |
| CN205610345U (en) | Solar energy power generation monitored control system based on thing networking | |
| CN203480286U (en) | Hydropower station control system based on Beidou communication technology | |
| CN204374354U (en) | A kind of insulating material power circuit of applying transmits the device that thunderbolt equipment sends signal | |
| CN104463350A (en) | Regional power grid real-time status visual early warning system based on tide dynamic graphs | |
| CN204495953U (en) | Distribution line failure wireless location system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |