CN204697087U - A kind of VSC-HVDC system remote action data transmission system - Google Patents
A kind of VSC-HVDC system remote action data transmission system Download PDFInfo
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- CN204697087U CN204697087U CN201520307906.8U CN201520307906U CN204697087U CN 204697087 U CN204697087 U CN 204697087U CN 201520307906 U CN201520307906 U CN 201520307906U CN 204697087 U CN204697087 U CN 204697087U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a kind of VSC-HVDC system remote action data transmission system, it comprise Ethernet, telemechanical Communications Interface Unit in two measurement and control units, two fieldbus, pole control system, alternating current-direct current station Ore-controlling Role, first stop, stand in work station, modulator-demodulator and communication equipment; Also comprise Ethernet, the second switch and telemechanical communicator in the 3rd measurement and control unit, the first switch, second station, wherein, the remote action data of collection is sent to telemechanical communicator by Ethernet in the first switch, second station and the second switch by described 3rd measurement and control unit successively, and described telemechanical communicator directly sends the remote action data of reception to far-end control centre via communication network.The utility model is by increasing telecontrol system, the interface that the transmission of the remote action data increased when being applicable to existing current conversion station enlarging interchange interval or main transformer and newly-built current conversion station adopt different manufacturers measurement and control unit to bring is incompatible, the problem that remote action data cannot transmit.
Description
Technical field
The utility model relates to technical field of HVDC transmission, is specifically related to a kind of Novel special (surpassing) HVDC (High Voltage Direct Current) transmission system remote action data transmission system.
Background technology
Early stage its Control protection system of domestic high voltage direct current transmission project (hereinafter referred to as C/P) and telemechanical Communications Control Interface equipment (hereinafter referred to as RCI) are that offshore company SIEMENS or ABB is complete to be provided.By measurement and control unit on the spot directly with a switchgear (circuit breaker, disconnecting link, ground cutter) and current/voltage instrument transformer (CT/PT) be connected, Control protection system is given deciliter state of the switch tool collected and one-shot measurement value etc. by the PROFIBUS DP of redundancy or CAN fieldbus, telemechanical Communications Interface Unit in station is delivered to by Ethernet in the station of redundancy again and operations staff's work station shows by Control protection system, simultaneously the Fast Ethernet transmission means (dispatch data net) that configured by redundant channel of RCI and point-to-point mode connected in series are transferred to each control centre corresponding remote action data.
Please refer to shown in Fig. 1, in general, current conversion station Control protection system is divided into three layers of design: wall, key-course and supervisory layers.The Control protection system that current conversion station adopts and telecontrol system provide by producer is unified, first measurement and control unit 11 of wall communicates with key-course with secondary scene bus 22 interface mode with the primary scene bus 21 of the second measurement and control unit 12 respectively by international mainstreams such as PROFIBUS DP or CAN, although fieldbus is the opening fieldbus of standard, but need special interface module (being integrated in the hardware platform of Control protection system) to make domestic measurement and control unit be difficult to control system swap data that is direct by field-bus interface and SIEMENS or ABB, realize the sample and transform of remote action data.Key-course comprises pole control system 31 and alternating current-direct current station Ore-controlling Role 32, first measurement and control unit 11 and the second measurement and control unit 12 are gathered deciliter state of the switch tool of acquisition and one-shot measurement value etc. and all send work station 63 and telemechanical Communications Interface Unit 61 in station to by Ethernet in first stop 51 by pole control system 31 and alternating current-direct current station Ore-controlling Role 32, telemechanical Communications Interface Unit 61 is the two identical device compositions overlapping redundancy each other, the two remote action data received carries out selection by channel switching device 62 again and carries out modulation /demodulation, is then sent to far-end control centre 9 through communication equipment.Telemechanical Communications Interface Unit 61 the mode that the remote action data received is transferred to far-end control centre 9 can be: by the dispatching data network (be generally and always call, comprise MSTP special line etc.) of redundant channel; Or by point-to-point communication mode connected in series (be generally province adjust or call).When adopting communication mode connected in series, far-end control centre 9 comprises second communication equipment 91, second modem 92, far-end Ethernet 94 (dedicated ethernet at a high speed) and remote workstation 95, after second communication equipment 91 and the first communication equipment 8 carry out exchanges data, and send the data after exchanging to remote workstation 95 via after second modem 92 modulation /demodulation by far-end Ethernet 94, at second modem 92, far-end Ethernet 94.And employing it should be noted that, when adopting dispatching data network, second communication equipment 91, second modem 92 can be saved here, directly complete the two function by dispatching data network.
Current conversion station original telecontrol system autgmentability is poor, and the communication interface of support is more single, and maintainability is poor.When the main transformer that current conversion station enlarging is reserved or when exchanging interval, due to original telecontrol system configuration expansion difficulty, there are technology barriers, risk is high, and the lower electricity of device needs, affects the transmission of original exercise data.The remote action datas such as the switch tool state newly increased and one-shot measurement current and voltage data cannot deliver to control centre, causing cannot real time monitoring in fortune equipment operational factor, affects control centre to functions such as the monitoring of factory station data and system voltage control, Load flow calculation.
For solving this problem, the present invention proposes a kind of novel spy (surpassing) HVDC (High Voltage Direct Current) transmission system remote action data transmission means, its basic ideas are by increasing a set of new telemechanical Communications Interface Unit and measurement and control unit, are responsible for the transmission of all remote action datas newly increased realizing enlarging main transformer or exchange compartment.The reason increasing new measurement and control unit is that original measurement and control unit cannot with the telemechanical communication host swap data increased, and interface is incompatible.The telecontrol system newly increased is redundant configuration; with original telecontrol system and control system completely independent; and the I/O channel resource for subsequent use of the measurement and control unit newly increased and telemechanical communication host is enough; when current conversion station is as need be again extended; only need the configuration revising measurement and control unit and telemechanical communication host; without the need to increasing new hardware unit again; also the configuration of the remote action data of original Control protection system and telecontrol system be need not revise, behavior extension and the maintenance work of telecontrol system greatly facilitated.
Utility model content
For the deficiencies in the prior art, the utility model aims to provide a kind of VSC-HVDC system remote action data transmission system, it is by increasing the telecontrol system be made up of the 3rd measurement and control unit, the first switch, the second switch and telemechanical communicator, the interface that the transmission of the remote action data increased when being applicable to existing current conversion station enlarging interchange interval or main transformer and newly-built current conversion station adopt different manufacturers measurement and control unit to bring is incompatible, the problem that remote action data cannot transmit.
To achieve these goals, the technical scheme that the utility model is taked is:
A kind of VSC-HVDC system remote action data transmission system, it comprises the first measurement and control unit, second measurement and control unit, primary scene bus, secondary scene bus, pole control system, alternating current-direct current station Ore-controlling Role, Ethernet in first stop, telemechanical Communications Interface Unit, work station in standing, first modulator-demodulator and the first communication equipment, described first measurement and control unit carries out communication by primary scene bus and pole control system, described second measurement and control unit carries out communication by secondary scene bus and alternating current-direct current station Ore-controlling Role, remote action data is all sent to work station and telemechanical Communications Interface Unit in station by Ethernet in first stop by described pole control system and alternating current-direct current station Ore-controlling Role respectively, the data that described telemechanical Communications Interface Unit receives are sent to far-end control centre via after the first modulator-demodulator modulation /demodulation by the first communication equipment, described VSC-HVDC system remote action data transmission system comprises Ethernet, the second switch and telemechanical communicator in the 3rd measurement and control unit, the first switch, second station further, wherein, the remote action data of collection is sent to telemechanical communicator by Ethernet in the first switch, second station and the second switch by described 3rd measurement and control unit successively, and described telemechanical communicator directly sends the remote action data of reception to far-end control centre via communication network.
The utility model increases by the 3rd measurement and control unit in original remote action data transmission system, first switch, Ethernet in second station, the telecontrol system of the second switch and telemechanical communicator composition, be applicable to the transmission of the remote action data increased when the enlarging of existing current conversion station exchanges interval or main transformer, during transmission, the data such as deciliter state of original switch tool and one-shot measurement value connect respectively and send original measurement and control unit (the first measurement and control unit and the second measurement and control unit) to, the data that the structures such as the switchgear that enlarging increases when exchanging interval or main transformer and current/voltage instrument transformer produce are then direct sends work station and far-end control centre in station to by telecontrol system, not only realize the problem that enlarging exchanges interval or main transformer rear port compatibility.And for the interface incompatibility problem that newly-built current conversion station adopts different manufacturers measurement and control unit to bring, also can directly adopt the telecontrol system newly increased to solve.
Described telemechanical communicator is NSC301V telemechanical communication host.
Described telemechanical communicator is two covers, this two cover telemechanical communicator redundancy each other.
Described telemechanical Communications Interface Unit is two covers, this two cover telemechanical Communications Interface Unit redundancy each other.
Described VSC-HVDC system remote action data transmission system comprises a channel switching device further, and the remote action data that described two cover telemechanical Communications Interface Units transmit is selected via channel switching device and sends the first modulator-demodulator to.
Described far-end control centre comprises second communication equipment, second modem, far-end Ethernet and remote workstation, after described second communication equipment and the first communication equipment carry out exchanges data, and send the data after exchanging to remote workstation via after second modem modulation /demodulation by far-end Ethernet.
Described first communication equipment and second communication equipment are router or the 3rd switch.
Described first measurement and control unit, the second measurement and control unit and the 3rd measurement and control unit are all installed in the screen of observing and controlling on the spot.
Compared with prior art, the beneficial effects of the utility model are:
1, when the original control system fieldbus of current conversion station adopts sophisticated interface module, realize enlargement easily and increase remote action data newly and upload control centre, realize four remote control function;
2, original Control protection system does not need amendment; do not affect the normal operation of original system and the real-time Transmission of original remote action data, be applicable to the interface problem that old station is extended and new website adopts the technology path communication unit of different manufacturers and measuring and controlling equipment to exist simultaneously.
The alternate channel resource abundance of the telemechanical communicator 3, adopted and the 3rd measurement and control unit, without the need to newly-increased miscellaneous equipment when needing the remote action data newly increasing other to transmit.
Accompanying drawing explanation
Fig. 1 is the theory diagram of existing HVDC (High Voltage Direct Current) transmission system remote action data transmission system;
Fig. 2 is the theory diagram of the utility model HVDC (High Voltage Direct Current) transmission system remote action data transmission system.
Description of reference numerals: 11, the first measurement and control unit; 12, the second measurement and control unit; 13, the 3rd measurement and control unit; 21, primary scene bus; 22, secondary scene bus; 31, pole control system; 32, alternating current-direct current station Ore-controlling Role; 41, the first switch; 42, the second switch; 51, Ethernet in first stop; 52, Ethernet in second station; 61, telemechanical Communications Interface Unit; 62, channel switching device; 63, stand in work station; 64, telemechanical communicator; 7, the first modulator-demodulator; 8, the first communication equipment; 9, far-end control centre; 91, second communication equipment; 92, second modem; 93, binding post screen; 94, far-end Ethernet; 95, remote workstation.
Embodiment
Below in conjunction with embodiment, the utility model is further described.
AC/DC station Ore-controlling Role is responsible for the supervisory and control function of current conversion station main transformer and alternating-current field part.The remote action datas such as the actual measured value of deciliter state of relevant switch tool, main shift and each measuring point need deliver to the display of each control centre in real time or monitor.Each measurement and control unit delivers to main website and control system main frame by the fieldbus of redundancy deciliter telemetry such as the remote signalling data such as state, main shift and one-shot measurement value of the switch tool gathered, then telemechanical Communications Interface Unit (RCI) is sent to by the station LAN net of redundancy in station, the high speed dispatching data network configured through redundant channel by RCI and point-to-point communication mode connected in series deliver to each control centre remote action datas such as relevant remote signalling and remote measurements, achieve the real-time Transmission of remote action data.Simultaneously, control centre can issue the remote regulating order of main shift and the straighforward operation order of each switch tool according to actual needs, deliver to control system via RCI, then perform remote control and remote regulating order by measurement and control unit, coordinated the four remote control function of remote action data.
The present invention is by increasing a set of new telemechanical communication interface system and supporting measurement and control unit, and the remote action data teletransmission increased newly when achieving built spy (surpassing) high voltage direct current transmission project current conversion station enlarging main transformer or exchange interval is to the function of control centre.
Please refer to shown in Fig. 2; a theory diagram for HVDC (High Voltage Direct Current) transmission system remote action data transmission system, it is made up of the telecontrol system of original Control protection system (mainly referring to the remote action data transmission system comprising telemechanical Communications Interface Unit etc. here) and increase.
In general, original (receiving end or sending end current conversion station) Control protection system is divided into three layers of design: wall, key-course and supervisory layers.First measurement and control unit 11 of wall communicates with key-course with secondary scene bus 22 interface mode with the primary scene bus 21 of the second measurement and control unit 12 respectively by PROFIBUS DP or CAN etc., key-course comprises pole control system 31 and alternating current-direct current station Ore-controlling Role 32, supervisory layers comprises Ethernet 51 in first stop, work station 63 in standing, the two telemechanical Communications Interface Units 61 overlapping redundancy each other, channel switching device 62 and the first modulator-demodulator 7 and the first communication equipment 8 form, first measurement and control unit 11 and the second measurement and control unit 12 are gathered deciliter state of the switch tool of acquisition and one-shot measurement value etc. and all send work station 63 and telemechanical Communications Interface Unit 61 in station to by Ethernet in first stop 51 by pole control system 31 and alternating current-direct current station Ore-controlling Role 32, the remote action data that two cover telemechanical Communications Interface Units 61 receive carries out selection by channel switching device 62 again and carries out modulation /demodulation, then far-end control centre 9 is sent to through communication equipment.Telemechanical Communications Interface Unit 61 the mode that the remote action data received is transferred to far-end control centre 9 can be: by the dispatching data network (be generally and always call, comprise MSTP special line etc.) of redundant channel; Or by point-to-point communication mode connected in series.When adopting communication mode connected in series, far-end control centre 9 comprises second communication equipment 91, second modem 92, far-end Ethernet 94 (Fast Ethernet) and remote workstation 95, after second communication equipment 91 and the first communication equipment 8 carry out exchanges data, and sending the data after exchanging to remote workstation 95 via after second modem 92 modulation /demodulation by far-end Ethernet 94, second modem 92 is connected by binding post screen 93 is corresponding with far-end Ethernet 94.And when adopting dispatching data network, second communication equipment 91, second modem 92 and binding post screen 93 can be saved, directly complete the two function by dispatching data network.
The telecontrol system independence group screen increased, comprise the telemechanical communicator 64 (model is NSC301V) of two cover redundant configuration, (model is NSD500V to 3rd measurement and control unit 13, can be installed on separately on the screen of observing and controlling on the spot corresponding to original control system) and for first switch 41 and second switch 42 interconnected by Ethernet 52 in second station between telemechanical communicator 64 and the 3rd measurement and control unit 13, first switch 41 and the second switch 42 are two covers, the on off state that original primary equipment comes and measuring amount deliver to original measurement and control unit, the on off state that the primary equipment newly increased comes and measuring amount are directly delivered in the telecontrol system of increase, there is its remote action data transmission arrived at a station interior work station 63 and far-end control centre 9, the station layer work station realizing new expansion spacing controls to monitor the transmission with remote action data.
NSD500V has 24 tunnel AC signal analog acquisitions, 135 road remote signalling data inputs, can control 24 switch object, can complete the observing and controlling function at high, medium and low three sides of whole main transformer or three-line interval, possess synchronization function and five anti-functions simultaneously.3rd measurement and control unit 13 is by two 100M Ethernet interface (i.e. Ethernet 52 in second station, its both sides arrange the first switch 41 and the second switch 42 respectively) direct telemechanical communicator 64 interface with being positioned at supervisory layers, eliminate middle fieldbus link.Further, when supporting IRIG-B code pair during the 3rd measurement and control unit 13 pairs and pulse pair time, can by signal during system access pair when original pair in station, during the band of collection, target remote signalling data directly delivers to telemechanical communicator 64 by the Fast Ethernet of redundancy.Two the telemechanical communicators 64 newly increased are redundant configuration, and it directly exchanges remote action data by communication network with point-to-point primary channel transmission means connected in series and control centre.。NSC301V communicates with supervisory control system with Dual-Ethernet interface, system when simultaneously possessing perfect GPS couple, telemechanical communication host is transferred to different control centres the remote action data newly increased via high speed dispatch data net (open network, other province accessing this network adjusts and can obtain relevant remote action data) or MSTP private line network simultaneously after dispatching data network router.The remote control and remote regulating functional requirement that newly increase interval are considered in this invention simultaneously, when needs realize this function, only need to configure a set of independently operations staff work station again, the remote control that reception telemechanical main frame receiving scheduling issues and remote regulating order, perform via measurement and control unit, thus achieve the four remote control function of remote action data.
Above-listed detailed description is illustrating for the utility model possible embodiments, and this embodiment is also not used 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, and all should be contained in the scope of the claims of this case.
Claims (8)
1. a VSC-HVDC system remote action data transmission system, it comprises the first measurement and control unit (11), second measurement and control unit (12), primary scene bus (21), secondary scene bus (22), pole control system (31), alternating current-direct current station Ore-controlling Role (32), Ethernet (51) in first stop, telemechanical Communications Interface Unit (61), work station (63) in standing, first modulator-demodulator (7) and the first communication equipment (8), described first measurement and control unit (11) carries out communication by primary scene bus (21) and pole control system (31), described second measurement and control unit (12) carries out communication by secondary scene bus (22) and alternating current-direct current station Ore-controlling Role (32), remote action data is all sent to work station (63) and telemechanical Communications Interface Unit (61) in station by Ethernet in first stop (51) by described pole control system (31) and alternating current-direct current station Ore-controlling Role (32) respectively, the data that described telemechanical Communications Interface Unit (61) receives are sent to far-end control centre (9) via after the first modulator-demodulator (7) modulation /demodulation by the first communication equipment (8), it is characterized in that, described VSC-HVDC system remote action data transmission system comprises the 3rd measurement and control unit (13) further, first switch (41), Ethernet (52) in second station, second switch (42) and telemechanical communicator (64), wherein, the remote action data gathered is passed through the first switch (41) by described 3rd measurement and control unit (13) successively, in second station, Ethernet (52) and the second switch (42) are sent to telemechanical communicator (64), described telemechanical communicator (64) directly sends the remote action data of reception to far-end control centre (9) through communication network.
2. VSC-HVDC system remote action data transmission system according to claim 1, is characterized in that, described telemechanical communicator (64) is NSC301V telemechanical communication host.
3. VSC-HVDC system remote action data transmission system according to claim 1 and 2, is characterized in that, described telemechanical communicator (64) is two covers, this two covers telemechanical communicator (64) redundancy each other.
4. VSC-HVDC system remote action data transmission system according to claim 1, is characterized in that, described telemechanical Communications Interface Unit (61) is two covers, this two covers telemechanical Communications Interface Unit (61) redundancy each other.
5. VSC-HVDC system remote action data transmission system according to claim 4, it is characterized in that, described VSC-HVDC system remote action data transmission system comprises a channel switching device (62) further, and the remote action data that described two covers telemechanical Communications Interface Unit (61) transmit is selected via channel switching device (62) and sends the first modulator-demodulator (7) to.
6. VSC-HVDC system remote action data transmission system according to claim 1, it is characterized in that, described far-end control centre (9) comprises second communication equipment (91), second modem (92), far-end Ethernet (94) and remote workstation (95), after described second communication equipment (91) and the first communication equipment (8) carry out exchanges data, send the data after exchanging to remote workstation (95) via after second modem (92) modulation /demodulation by far-end Ethernet (94).
7. VSC-HVDC system remote action data transmission system according to claim 6, is characterized in that, described first communication equipment (8) and second communication equipment (91) are router or the 3rd switch.
8. VSC-HVDC system remote action data transmission system according to claim 1, it is characterized in that, described first measurement and control unit (11), the second measurement and control unit (12) and the 3rd measurement and control unit (13) are all installed in the screen of observing and controlling on the spot.
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| CN201520307906.8U CN204697087U (en) | 2015-05-14 | 2015-05-14 | A kind of VSC-HVDC system remote action data transmission system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036264A1 (en) * | 2016-08-23 | 2018-03-01 | 南京南瑞继保电气有限公司 | Direct-current inter-station communication switching method |
| CN108539864A (en) * | 2018-05-29 | 2018-09-14 | 国网江苏省电力有限公司苏州供电分公司 | A kind of distribution current conversion station Protection control system |
| CN110247379A (en) * | 2019-06-17 | 2019-09-17 | 国网宁夏电力有限公司检修公司 | It prevents the converter station pole double sets of control host from crashing and causes the system and method for steady control tripping |
| CN111679235A (en) * | 2020-04-07 | 2020-09-18 | 南方电网科学研究院有限责任公司 | Real-time simulation test method and device for electromagnetic transformer measuring system |
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2015
- 2015-05-14 CN CN201520307906.8U patent/CN204697087U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036264A1 (en) * | 2016-08-23 | 2018-03-01 | 南京南瑞继保电气有限公司 | Direct-current inter-station communication switching method |
| CN108539864A (en) * | 2018-05-29 | 2018-09-14 | 国网江苏省电力有限公司苏州供电分公司 | A kind of distribution current conversion station Protection control system |
| CN108539864B (en) * | 2018-05-29 | 2023-09-12 | 国网江苏省电力有限公司苏州供电分公司 | Protection control system for distribution network converter station |
| CN110247379A (en) * | 2019-06-17 | 2019-09-17 | 国网宁夏电力有限公司检修公司 | It prevents the converter station pole double sets of control host from crashing and causes the system and method for steady control tripping |
| CN110247379B (en) * | 2019-06-17 | 2021-07-06 | 国网宁夏电力有限公司检修公司 | System and method for preventing double-set halt of pole control host of converter station from causing stable control and refusing to move |
| CN111679235A (en) * | 2020-04-07 | 2020-09-18 | 南方电网科学研究院有限责任公司 | Real-time simulation test method and device for electromagnetic transformer measuring system |
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