CN103107598B - A kind of offshore oilfield cluster power grid EMS system remote data acquisition communication means - Google Patents
A kind of offshore oilfield cluster power grid EMS system remote data acquisition communication means Download PDFInfo
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- CN103107598B CN103107598B CN201310036647.5A CN201310036647A CN103107598B CN 103107598 B CN103107598 B CN 103107598B CN 201310036647 A CN201310036647 A CN 201310036647A CN 103107598 B CN103107598 B CN 103107598B
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Abstract
The present invention relates to a kind of offshore oilfield cluster power grid EMS system remote data acquisition communication means, the steps include: that the complex protection device by the high pressure switch cubicle of each transformer station of offshore oilfield group carries out the system remote data acquisition of EMS; The remote measurement of collection, remote signalling data are transferred to Intelligent Substation System by each complex protection device, and when occurring that remote measurement is out-of-limit, remote signalling conjugates " event ", the remote measurement of change, remote signalling data are uploaded to Intelligent Substation System by each complex protection device at once; Otherwise each complex protection device is according to the time cycle preset, and remote measurement, remote signalling data are uploaded to Intelligent Substation System by timing; All remote measurements received by Intelligent Substation System analysis, remote signalling data, and judged whether that remote measurement is out-of-limit, remote signalling displacement " event " occurs, if occur, then Intelligent Substation System uploads remote measurement, remote signalling data to offshore oilfield group EMS system at once by telecontrol channel; Otherwise Intelligent Substation System is by telecontrol channel according to the time cycle preset, and timing uploads remote measurement, remote signalling data to offshore oilfield group EMS system.
Description
Technical field
The present invention relates to a kind of EMS system remote data acquisition communication means, particularly about a kind of offshore oilfield cluster power grid EMS system remote data acquisition communication means.
Background technology
The powering mode of offshore oil and gas field was generally at oil gas field central platform or FPSO(Floating Storage oil carrier in the past) on a power station is set, then by submarine cable to power supplies such as wellhead platforms.The electric power system of each oil gas field is separate, and each self-forming one possesses generating, transmission of electricity, distribution to the micro-capacitance sensor of load.Such electric power system capacity is little, reserve capacity is little, there is the problems such as power supply reliability difference, shock resistance are poor, main equipment difficulty in starting.In order to ensure power supply reliability, oil gas field needs each self-configuring standby generator sets, and not only investment is large, and operation maintenance workload is large.For the configuration of Appropriate application generator, reduce unnecessary reserve capacity, at present the electric power system of each oil gas field is carried out power grid interlink formation Oilfield Group electrical network and become trend gradually.Supervision, the control and management of Oilfield Group electrical network need by supermatic EMS system (Energy managementsystem, EMS) realize, the SCADA system (Supervisory Control And DataAcquisition, data acquisition and supervisor control) of EMS is the basis that can whole EMS system carry out in real time, accurately calculate and effectively analyze.
In the past, the remote data acquisition of the SCADA system of offshore oilfield cluster power grid EMS is by the RTU(Remote Terminal Unit of each platform, remote terminal unit) realize, each platform RTU is by the CT in hardwire access high pressure loop, the switching value of PT and switch cubicle, generation remote measurement and remote signalling data are uploaded to the SCADA system of EMS by telecontrol channel, the maximum drawback of this mode is a large amount of hardwire between RTU and each loop and wiring, not only take large quantity space, and adjustment and installation and repair and maintenance work very numerous and diverse, the volume of offshore platform and cost are had a huge impact.
After occurring that guarantor's product combined by high pressure switch cubicle; the acquisition capacity of certain remote measurement, remote signalling is possessed owing to combining the body that breaks even; therefore combine guarantor's (integrated protection and monitoring device) and instead of the remote data acquisition of RTU as the SCADA system of EMS; by station communication by remote signalling, telemetry data transmission to electric substation automation system; and pass through telemechanical communications to the SCADA system of EMS by electric substation automation system, save a large amount of hardwire.But because the correspondence with foreign country of comprehensive guarantor adopts RS485 bus and MODBUS communication protocol, be " principal and subordinate's cyclic polling " communication mechanism.As shown in Figure 1, owing to adopting " principal and subordinate's cyclic polling " communication mechanism, therefore send remote measurement on, the time interval and traffic rate that the real-time of remote signalling data depends on inquiry, when remote measurement, remote signalling data change, the real-time that its data are sent cannot meet the requirement of the stable controlling functions such as the emergency unload of EMS, this makes SCADA system still need to retain remote measurement and the remote signalling of certain traditional RTU and hardwire collection primary circuit, with requirement of real time; The telemetry in other loops then needs EMS system to carry out certain estimation process, this have impact on the performance of EMS system to a certain extent, also cannot meet the requirement of other the senior application function in EMS system, remote signalling and remote measurement being had to more high real-time and accuracy requirement.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of offshore oilfield cluster power grid EMS system remote data acquisition communication means, the method can cancel RTU and hardwire, meets the requirement of offshore oilfield cluster power grid EMS for transfer of data real-time simultaneously.
For achieving the above object, the present invention takes following technical scheme: a kind of offshore oilfield cluster power grid EMS system remote data acquisition communication means, it comprises the following steps: be 1) that EMS system carries out remote data acquisition by the complex protection device of the high pressure switch cubicle of each transformer station of offshore oilfield group, and each complex protection device gathers remote measurement, remote signalling data; 2) each complex protection device by collect remote measurement, remote signalling data through transformer substation communication channel transfer to Intelligent Substation System, when occurring that remote measurement is out-of-limit, remote signalling conjugates " event ", the remote measurement of change, remote signalling data are uploaded to Intelligent Substation System by each complex protection device at once; Otherwise each complex protection device is according to the time cycle preset, and remote measurement, remote signalling data are uploaded to Intelligent Substation System by timing; 3) all remote measurements received by Intelligent Substation System analysis, remote signalling data, and judge whether that remote measurement is out-of-limit, remote signalling displacement " event " occurs, if occur, then Intelligent Substation System uploads remote measurement, remote signalling data to offshore oilfield group EMS system at once by telecontrol channel; Otherwise Intelligent Substation System is by telecontrol channel according to the time cycle preset, and timing uploads remote measurement, remote signalling data to offshore oilfield group EMS system.
Described step 2) in, described transformer substation communication passage adopts real-time industrial ethernet.
Described step 2) in, the communication protocol between described Intelligent Substation System and each complex protection device adopts IEC61850 standard.
The present invention is owing to taking above technical scheme, it has the following advantages: the present invention all adopts " event-driven " communication mechanism due to each complex protection device and Intelligent Substation System, guarantee change remote measurement, remote signalling data can in real time active upload to offshore oilfield group EMS system, the real-time of its data upload can meet the requirement of EMS system high application, thus can cancel RTU and hardwire, the real-time of data makes EMS without the need to estimating other remote signalling more simultaneously.The present invention can be widely used in offshore oilfield cluster power grid EMS system and apply.
Accompanying drawing explanation
Fig. 1 adopts comprehensive guarantor to carry out remote data acquisition communication means schematic flow sheet in prior art;
Fig. 2 is overall flow schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 2, the present invention proposes a kind of offshore oilfield cluster power grid EMS system remote data acquisition communication means based on the Intelligent Substation System of real-time industrial ethernet and IEC61850 standard, and it comprises the following steps:
1) being EMS(EMS by the complex protection device of the high pressure switch cubicle of each transformer station of offshore oilfield group) system carries out remote data acquisition, and each complex protection device gathers the data such as remote measurement, remote signalling;
2) each complex protection device by the data such as remote measurement, remote signalling that collect through transformer substation communication channel transfer to Intelligent Substation System, when occurring that remote measurement is out-of-limit, remote signalling displacement etc. " event " time, each complex protection device at once by the data upload such as remote measurement, remote signalling of change to Intelligent Substation System; If do not have " event " to occur, then each complex protection device is according to the time cycle preset, and remote measurement, remote signalling data are uploaded to Intelligent Substation System by timing; Wherein, transformer substation communication passage adopts real-time industrial ethernet;
3) all remote measurements received by Intelligent Substation System analysis, remote signalling data, and judge whether " event " generations such as remote measurement is out-of-limit, remote signalling displacement, if occur, then Intelligent Substation System uploads the data such as remote measurement, remote signalling to offshore oilfield group EMS system at once by telecontrol channel; Otherwise Intelligent Substation System is by telecontrol channel according to the time cycle preset, and timing uploads the data such as remote measurement, remote signalling to offshore oilfield group EMS system.
Above-mentioned steps 2) in, the communication protocol between Intelligent Substation System and each complex protection device adopts IEC61850 standard.
Above-mentioned steps 2) and step 3) in, each complex protection device and Intelligent Substation System all adopt " event-driven " communication mechanism, ensure that the remote measurement of change, remote signalling data can in real time active upload to offshore oilfield group EMS system, the real-time of its data upload can meet the requirement of EMS system high application, thus can cancel RTU and hardwire, the real-time of data makes EMS without the need to carrying out estimation process to other remote signalling more simultaneously.
The various embodiments described above are only for illustration of the present invention; the connection of each parts and structure all can change to some extent; on the basis of technical solution of the present invention; all improvement of carrying out the connection of individual part and structure according to the principle of the invention and equivalents, all should not get rid of outside protection scope of the present invention.
Claims (2)
1. an offshore oilfield cluster power grid EMS system remote data acquisition communication means, its step is as follows:
1) be that EMS system carries out remote data acquisition by the complex protection device of the high pressure switch cubicle of each transformer station of offshore oilfield group, each complex protection device gathers remote measurement, remote signalling data;
2) each complex protection device by collect remote measurement, remote signalling data through transformer substation communication channel transfer to Intelligent Substation System, when occurring that remote measurement is out-of-limit, remote signalling conjugates " event ", the remote measurement of change, remote signalling data are uploaded to Intelligent Substation System by each complex protection device at once; Otherwise each complex protection device is according to the time cycle preset, and remote measurement, remote signalling data are uploaded to Intelligent Substation System by timing; Communication protocol between Intelligent Substation System and each complex protection device adopts IEC61850 standard; Each complex protection device and Intelligent Substation System all adopt " event-driven " communication mechanism;
3) all remote measurements received by Intelligent Substation System analysis, remote signalling data, and judge whether that remote measurement is out-of-limit, remote signalling displacement " event " occurs, if occur, then Intelligent Substation System uploads remote measurement, remote signalling data to offshore oilfield group EMS system at once by telecontrol channel; Otherwise Intelligent Substation System is by telecontrol channel according to the time cycle preset, and timing uploads remote measurement, remote signalling data to offshore oilfield group EMS system; Each complex protection device and Intelligent Substation System all adopt " event-driven " communication mechanism.
2. a kind of offshore oilfield cluster power grid EMS system remote data acquisition communication means as claimed in claim 1, is characterized in that: described step 2) in, described transformer substation communication passage adopts real-time industrial ethernet.
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| CN201310036647.5A CN103107598B (en) | 2013-01-30 | 2013-01-30 | A kind of offshore oilfield cluster power grid EMS system remote data acquisition communication means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478972B (en) * | 2020-04-17 | 2021-08-03 | 国网湖南省电力有限公司 | Integrated remote monitoring background management system and monitoring method |
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| US5179376A (en) * | 1991-02-28 | 1993-01-12 | Systems Analysis And Integration, Inc. | Substation load distribution monitor system |
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| US5179376A (en) * | 1991-02-28 | 1993-01-12 | Systems Analysis And Integration, Inc. | Substation load distribution monitor system |
Non-Patent Citations (2)
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| GOOSE技术在变电站中应用的问题分析;何磊等;《河北电力技术》;20100831;第29卷(第4期);第11-12、23页 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Beijing Sifang Jibao Automation Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: Beijing Sifang Jibao Automation Co., Ltd. |
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Effective date of registration: 20191211 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC research institute limited liability company Patentee before: China Offshore Oil Group Co., Ltd. Co-patentee before: Beijing Sifang Jibao Automation Co., Ltd. |
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