CN201893681U - Valve base electronic equipment cabinet of high-voltage direct current transmission converter valve - Google Patents
Valve base electronic equipment cabinet of high-voltage direct current transmission converter valve Download PDFInfo
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- CN201893681U CN201893681U CN2010206402265U CN201020640226U CN201893681U CN 201893681 U CN201893681 U CN 201893681U CN 2010206402265 U CN2010206402265 U CN 2010206402265U CN 201020640226 U CN201020640226 U CN 201020640226U CN 201893681 U CN201893681 U CN 201893681U
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- power supply
- valve
- machine case
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- 238000012544 monitoring process Methods 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 21
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- 230000005693 optoelectronics Effects 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract 2
- 230000007847 structural defect Effects 0.000 abstract 1
- 238000002788 crimping Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 8
- 230000008054 signal transmission Effects 0.000 description 5
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- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000005032 impulse control Effects 0.000 description 2
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- 230000002452 interceptive effect Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 235000012364 Peperomia pellucida Nutrition 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a valve base electronic equipment cabinet of a high-voltage direct current transmission converter valve, which comprises a converter valve trigger command photoelectric conversion case, a converter valve triggering and monitoring case, a power supply case, a power supply filtering circuit, a cabinet illuminating circuit, digital electrical signal input and output circuits, communication board cards, a wire connector and an air switch, wherein the air switch is arranged between the power supply case and the power supply filtering circuit; the power supply case respectively supplies power to the converter valve trigger command photoelectric conversion case, the converter valve triggering and monitoring case and the cabinet illuminating circuit; the wire connector and the converter valve triggering and monitoring case are respectively connected between two communication board cards; the wire connector is connected with a signal wire between the two communication board cards; and the digital electrical signal input and output circuits are respectively arranged on the two communication board cards. The integral layout of the cabinet is formulated and structures of the case and the cabinet are formulated from the transmission angles of anti-jamming and signal reliability and the structural defects of the valve base electronic equipment can be avoided or reduced.
Description
Technical field
The utility model relates to a kind of control device that is applied to electric power system, particularly a kind of novel high voltage direct current transmission (HVDC) converter valve valve base electronic equipment cabinet.
Background technology
In high voltage direct current transmission, converter valve valve base electronic equipment is the first order watch-dog to converter valve.This equipment is directly realized operations such as triggering, locking to converter valve according to the utmost point control system control command that receives, and the reporting information of each thyristor level of real-time collecting, feeds back to utmost point control system.It is most important to the normal operation at direct-current transmission converter station that can valve base electronic device receive, decode and transmit utmost point control system command reliably.A plurality of industry control cabinets that traditional valve base electronic device adopts traditional industry control to adopt usually in the design of rack internal structure are built in the basic structure mode in the prestige figure rack.Main 3 kinds of integrated circuit boards on the cabinet: check-out console, master control borad and connection backboard.Check-out console is used for the thyristor level is carried out man-to-man monitoring, master control borad is transmitted utmost point control system command to check-out console, and collect check-out console information finish with utmost point control system between communicate by letter, connect the transmission that backboard is used to finish electric signal necessary between master control borad and check-out console and be connected.Operating experience shows, though it is simple to operate that this rack structure can just be changed integrated circuit board, but because the associativity contact is many in the signal transmission passage, especially control the operation of plug between integrated circuit board and backboard and be easy to cause the wearing and tearing of needle stand on the backboard or loosening, and cause binding site unreliable thus, and then bad when causing signal transmission fashion, make system's fluctuation of service.In addition, the dual power supply mode of corresponding redundant utmost point control system is often only accomplished in rack power supply design, and is two once more redundant at single system, and this can cause the power module fault promptly can require to switch whole utmost point control system, causes the extension of small fault.
In the utility model the rack integral layout is stipulated, cabinet and rack structure have been done the novelty regulation from anti-interference and signal reliability transmission of angle.These design principles can effectively be avoided or reduce valve base electronic device and above fault of construction occur.
The utility model content
For overcoming the above-mentioned defective of prior art, the purpose of this utility model is to propose a kind of stable, reliable high voltage direct current transmission converter valve valve base electronic device rack.
The utility model adopts following technical scheme to realize: a kind of high voltage direct current transmission converter valve valve base electronic device rack, its improvements are: this electronic equipment cabinet comprises the converter valve trigger command opto-electronic conversion cabinet that is arranged at cabinet inside, converter valve triggers and monitoring machine case, the power supply cabinet, electric source filter circuit, the rack lighting circuit, be used for digital electric signal imput output circuit that the level of digital electric signal is changed, communication card, electric wire connecting junction and air switch, described air switch places between power supply cabinet and the electric source filter circuit, described power supply cabinet is respectively converter valve trigger command opto-electronic conversion cabinet, converter valve triggering and monitoring machine case and the power supply of rack lighting circuit, described electric wire connecting junction and converter valve trigger and monitoring machine case is connected between two communication cards, connect two holding wires between communication card with described electric wire connecting junction, described digital electric signal imput output circuit places respectively on two communication cards.
The function of described opto-electronic conversion cabinet is the trigger impulse control signal sent of control protective device to be realized being handed down to after the opto-electronic conversion each converter valve trigger with the master control borad of monitoring machine case and realize the long-range of other function cabinets of valve base electronic device VBE or reset operation on the spot; Described converter valve triggers and monitoring machine case is the main part of valve base electronic device VBE, and its signal that receives the opto-electronic conversion cabinet is realized control and the monitor protection effect to converter valve; But described converter valve triggers the quantity flexible configuration with monitoring machine case; Communication card is positioned on the electronic equipment cabinet curb girder, is used to gather the monitor message of all triggerings and monitoring machine case, and communicates by letter with the control protection in real time; The top that described rack lighting circuit is positioned at equipment enclosure is used for the lighting apparatus power supply to rack.
Wherein, described rack lighting circuit is positioned at the cabinet top, be provided with power supply cabinet, converter valve trigger command opto-electronic conversion cabinet, converter valve triggering and monitoring machine case and electric source filter circuit in the described cabinet from top to bottom successively, described communication card and air switch place on the curb girder of cabinet inside, and described thread changing device places the back of converter valve trigger command opto-electronic conversion cabinet.
Wherein, described converter valve triggers and comprises with monitoring machine case and to place casing interior master control borad, check-out console and to be connected backboard, and described master control borad all is plugged in check-out console and is connected on the backboard.
Master control borad comprises two microcontrollers, i.e. first microcontroller and second microcontroller, first microcontroller receive from the triggering code signal of control protection, monitoring enable signal, valve blocking signal and trip signal.First microcontroller will trigger code signal and monitoring enable signal with after encode again, the connection backboard that outputs to cabinet is given to the microcontroller on each check-out console.Second microcontroller connects backboard by cabinet and data/address bus, address bus and read data such as are enabled at signal is connected to each check-out console; second microcontroller reads the monitoring information of check-out console to the thyristor level; gather classification by internal processes; and judge the converter valve running status in view of the above, when breaking down, converter valve sends trip signal to the control protection system.Second microcontroller is communicated by letter with the control protection by communications reception and transmission mouth simultaneously.Be connected with interactive signal between first microcontroller and second microcontroller, be used for the mutual inspection of chip chamber, so that chip is in time informed the control protection by communication network when operation exception occurring.Only comprise a slice microcontroller on the check-out console, the triggering of its corresponding 6 grades of thyristors and repayment optical fiber interface, and link to each other with master control borad, transmission reward data and receive to trigger and encode by backboard.Microcontroller is presented at state detecting information on the indicator light of backboard in real time, is convenient to monitor on the spot the converter valve running status.
Wherein, be provided with in the described electric wire connecting junction and adopt the whole contact that becomes by the lathe car of solid slim copper rod, the core of described holding wire is stripped out the back insert in the contact of electric wire connecting junction.
Wherein, be provided with two power supply cabinets in the described cabinet, after two power supply cabinets are isolated by DC/DC, adopt parallel-connection structure to be this electronic equipment cabinet power supply jointly.
Wherein, comprise in the described cabinet that at least one converter valve triggers and monitoring machine case, described converter valve trigger command opto-electronic conversion cabinet and each converter valve trigger with monitoring machine case powers by the duplicate supply in two power supply cabinets, each power machine case comprises 24V, 5V and three electric pressures of 12V, described 24V and 5V DC power supply are provided by a 6U power supply cabinet, and the 12V DC power supply is provided by a 3U power supply cabinet.
The beneficial effect of technical solutions of the utility model is:
The utility model has proposed the regulation of some principles to the rack of HVDC converter valve valve base electronic equipment on a large amount of operating experiences and analysis foundation.According to these principles design valve base electronic equipment cabinets can reduce greatly since the unreliability of rack internal signal transmission binding site, rack problems such as utmost point control system switching that rack power supply single-system and single power module fault causes the valve base electronic device fluctuation of service problem that may bring.And signal transmission path does not have the associativity contact.Power module has two redundant structures.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the electric wire connecting junction contact crimping effect schematic diagram according to signal between transmission board of the present utility model, wherein Fig. 1 a is the structural representation of contact in the electric wire connecting junction, Fig. 1 b is the schematic cross-section of contact crimping holding wire core, 1-crimping point wherein, the 2-inspection hole, the 3-wire insulation, the 4-bundle conductor.
Fig. 2 is according to the two Redundancy Design of the power supply of rack of the present utility model.
Fig. 3 is the structural representation according to equipment enclosure of the present utility model.
Embodiment
Shown in Fig. 1 a and Fig. 1 b, the contact rear end of electric wire connecting junction is provided with a wire insulation 3, no wire bundle exposes between the visible lead conductor of crimping outward appearance of contact and contact, guaranteed that core can not be corroded, contact is provided with 8 crimping points 1, each crimping point 1 has guaranteed bundle conductor 4 by firm being crimped in the contact, and inspection hole 2 guarantees that the core crimping puts in place.After the visible crimping of sectional view core can with the contact excellent contact.
Fig. 2 is the two Redundancy Design of the power supply of rack.The electricity consumption of standing enters rack after isolating through DC/DC.By two covers DC power supply independent of each other, every cover power supply comprises 24V, 5V and three electric pressures of 12V to each photocontrol cabinet (comprising that 1 each converter valve trigger command opto-electronic conversion cabinet and 3 each converter valve trigger and monitoring machine case).This supply power mode guarantees the stability and the reliability of power supply.
Valve base electronic device rack principle of the present utility model has:
(1) remove controls and transmit the design of signal in the cabinet with backboard, adopt electric wire connecting junction to connect medium as the signal between integrated circuit board, holding wire is connected with the electric wire connecting junction contact by compression bonding method.This mode can effectively avoid tradition to connect backboard because the signal node chalaza is exposed outside, the signal transmission instability problem that causes after stained.
(2) for ensureing rack power supply power supply reliability, except that the Redundancy Design that adopts traditional corresponding dual system, using in single system is connected in parallel the duplicate supply module powers for rack jointly by unilateral diode.This mode can be avoided because but system's single power supply causes power module to damage is the problem of switched system.
Fig. 3 is the structural representation according to equipment enclosure of the present utility model.Comprise converter valve trigger command opto-electronic conversion cabinet, converter valve triggering and monitoring machine case, power supply cabinet, electric source filter circuit, rack lighting circuit, digital electric signal imput output circuit and communication card in the electronic equipment cabinet; Described opto-electronic conversion cabinet is positioned at electronic equipment cabinet top power machine lower box part, and function is the trigger impulse control signal sent of control protective device to be realized being handed down to after the opto-electronic conversion each converter valve trigger with the master control borad of monitoring machine case and realize the long-range of other function cabinets of valve base electronic device VBE or reset operation on the spot; Described converter valve triggers and monitoring machine case is the main part of valve base electronic device VBE, and its signal that receives the opto-electronic conversion cabinet is realized control and the monitor protection effect to converter valve; But described converter valve triggers the quantity flexible configuration with monitoring machine case; Communication card is positioned on the electronic equipment cabinet curb girder, is used to gather the monitor message of all triggerings and monitoring machine case, and communicates by letter with the control protection in real time; The top that described rack lighting circuit is positioned at equipment enclosure is used for the lighting apparatus power supply to rack.
Converter valve triggers and to comprise with monitoring machine case and to place casing interior master control borad, check-out console and to be connected backboard, and master control borad all is plugged in check-out console and is connected on the backboard.Master control borad comprises two microcontrollers, i.e. first microcontroller and second microcontroller, first microcontroller receive from the triggering code signal of control protection, monitoring enable signal, valve blocking signal and trip signal.First microcontroller will trigger code signal and monitoring enable signal with after encode again, the connection backboard that outputs to cabinet is given to the microcontroller on each check-out console.Second microcontroller connects backboard by cabinet and data/address bus, address bus and read data such as are enabled at signal is connected to each check-out console; second microcontroller reads the monitoring information of check-out console to the thyristor level; gather classification by internal processes; and judge the converter valve running status in view of the above, when breaking down, converter valve sends trip signal to the control protection system.Second microcontroller is communicated by letter with the control protection by communications reception and transmission mouth simultaneously.Be connected with interactive signal between first microcontroller and second microcontroller, be used for the mutual inspection of chip chamber, so that chip is in time informed the control protection by communication network when operation exception occurring.Only comprise a slice microcontroller on the check-out console, the triggering of its corresponding 6 grades of thyristors and repayment optical fiber interface, and link to each other with master control borad, transmission reward data and receive to trigger and encode by backboard.Microcontroller is presented at state detecting information on the indicator light of backboard in real time, is convenient to monitor on the spot the converter valve running status.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. high voltage direct current transmission converter valve valve base electronic device rack, it is characterized in that: this electronic equipment cabinet comprises the converter valve trigger command opto-electronic conversion cabinet that is arranged at cabinet inside, converter valve triggers and monitoring machine case, the power supply cabinet, electric source filter circuit, the rack lighting circuit, be used for digital electric signal imput output circuit that the level of digital electric signal is changed, communication card, electric wire connecting junction and air switch, described air switch places between power supply cabinet and the electric source filter circuit, described power supply cabinet is respectively converter valve trigger command opto-electronic conversion cabinet, converter valve triggering and monitoring machine case and the power supply of rack lighting circuit, described electric wire connecting junction and converter valve trigger and monitoring machine case is connected between two communication cards, connect two holding wires between communication card with described electric wire connecting junction, described digital electric signal imput output circuit places respectively on two communication cards.
2. high voltage direct current transmission converter valve valve base electronic device rack as claimed in claim 1, it is characterized in that: described rack lighting circuit is positioned at the cabinet top, be provided with power supply cabinet, converter valve trigger command opto-electronic conversion cabinet, converter valve triggering and monitoring machine case and electric source filter circuit in the described cabinet from top to bottom successively, described communication card and air switch place on the curb girder of cabinet inside, and described thread changing device places the back of converter valve trigger command opto-electronic conversion cabinet.
3. high voltage direct current transmission converter valve valve base electronic device rack as claimed in claim 1 or 2, it is characterized in that: described converter valve triggers and comprises with monitoring machine case and to place casing interior master control borad, check-out console and to be connected backboard, and described master control borad all is plugged in check-out console and is connected on the backboard.
4. high voltage direct current transmission converter valve valve base electronic device rack as claimed in claim 1 or 2, it is characterized in that: be provided with in the described electric wire connecting junction and adopt the whole contact that becomes by the lathe car of solid slim copper rod, the core of described holding wire is stripped out the back insert in the contact of electric wire connecting junction.
5. high voltage direct current transmission converter valve valve base electronic device rack as claimed in claim 1 or 2, it is characterized in that: be provided with two power supply cabinets in the described cabinet, after two power supply cabinets are isolated by DC/DC, adopt parallel-connection structure to be this electronic equipment cabinet power supply jointly.
6. high voltage direct current transmission converter valve valve base electronic device rack as claimed in claim 1 or 2, it is characterized in that: comprise in the described cabinet that at least one converter valve triggers and monitoring machine case, described converter valve trigger command opto-electronic conversion cabinet and each converter valve trigger with monitoring machine case powers by the duplicate supply in two power supply cabinets, each power machine case comprises 24V, 5V and three electric pressures of 12V, described 24V and 5V DC power supply are provided by a 6U power supply cabinet, and the 12V DC power supply is provided by a 3U power supply cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206402265U CN201893681U (en) | 2010-12-03 | 2010-12-03 | Valve base electronic equipment cabinet of high-voltage direct current transmission converter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206402265U CN201893681U (en) | 2010-12-03 | 2010-12-03 | Valve base electronic equipment cabinet of high-voltage direct current transmission converter valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893681U true CN201893681U (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206402265U Expired - Lifetime CN201893681U (en) | 2010-12-03 | 2010-12-03 | Valve base electronic equipment cabinet of high-voltage direct current transmission converter valve |
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| CN (1) | CN201893681U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219798A (en) * | 2013-03-25 | 2013-07-24 | 国网智能电网研究院 | Direct-current transmission converter valve control protection system and control protection method thereof |
| CN106647321A (en) * | 2015-10-29 | 2017-05-10 | 全球能源互联网研究院 | High-voltage direct-current power transmission thyristor level equivalent simulation equipment |
| CN113532771A (en) * | 2021-06-10 | 2021-10-22 | 中国南方电网有限责任公司超高压输电公司 | Water leakage detection system for power transmission converter valve and monitoring and fault replacement method |
-
2010
- 2010-12-03 CN CN2010206402265U patent/CN201893681U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219798A (en) * | 2013-03-25 | 2013-07-24 | 国网智能电网研究院 | Direct-current transmission converter valve control protection system and control protection method thereof |
| CN103219798B (en) * | 2013-03-25 | 2015-03-25 | 国网智能电网研究院 | Direct-current transmission converter valve control protection system and control protection method thereof |
| CN106647321A (en) * | 2015-10-29 | 2017-05-10 | 全球能源互联网研究院 | High-voltage direct-current power transmission thyristor level equivalent simulation equipment |
| CN113532771A (en) * | 2021-06-10 | 2021-10-22 | 中国南方电网有限责任公司超高压输电公司 | Water leakage detection system for power transmission converter valve and monitoring and fault replacement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140321 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |
|
| CX01 | Expiry of patent term |