CN109639355B - Method for undisturbed access of industrial optical fiber ring network to EMS (energy management system) online system - Google Patents
Method for undisturbed access of industrial optical fiber ring network to EMS (energy management system) online system Download PDFInfo
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- CN109639355B CN109639355B CN201811470582.4A CN201811470582A CN109639355B CN 109639355 B CN109639355 B CN 109639355B CN 201811470582 A CN201811470582 A CN 201811470582A CN 109639355 B CN109639355 B CN 109639355B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
- H04B10/25755—Ring network topology
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
Abstract
The invention discloses a method for undisturbed access of an industrial optical fiber ring network to an EMS (energy management system) online system, which is characterized by comprising the following steps: firstly, connecting a main device and a standby device of a redundant server and a redundant scheduling operation terminal with the existing and newly-built industrial Ethernet of an EMS respectively; then, the hardware interfaces of the standby server and the scheduling 2# terminal are switched to the port of the newly-built industrial ring network MACH4002 from the port of the existing industrial ring network MS 3124; after the station switching is finished, the main server and the dispatching 1# terminal are hung in an EMS new-built industrial ring network, and the application of the whole EMS system is recovered to the running state of the main server and the dispatching 1# terminal through the redundancy function of software. By adopting the structure, the invention realizes the undisturbed access system of the EMS system which is operated continuously in 24 hours by an enterprise when the industrial ring network is reformed.
Description
Technical Field
The invention relates to online upgrading and reconstruction of an EMS system, in particular to a method for undisturbed access of an industrial optical fiber ring network to the EMS online system.
Background
The EMS energy management system is a general term of a modern power grid dispatching automation system. The EMS system can not meet the existing production requirements and needs to be upgraded along with the expansion of the production energy of each enterprise and the optimization of product resources.
Taking the Manshan iron and Steel works as an example, a new EMS system of a Ma steel energy management and control center is built in 2005 and is divided into an industrial ring network part and a central system part, wherein the ring network adopts a Husmann industrial exchanger, and a MOXA optical fiber transceiver and a common commercial exchanger are adopted for industrial control data transmission. The EMS server is in charge of communicating with the field control unit through an industrial ring network to realize remote monitoring, and meanwhile, the energy management system is integrated to realize the functions of production, allocation and management of new-district energy.
The EMS ring network in the new area bears the transmission of the metering data in the whole new area, and the remote control of the energy medium production quick-distribution equipment needs 24 hours of uninterrupted operation. The network device has been almost late in service life, and the MS3124 and MS2008 spare parts have been down, the optical fiber transmission speed is low. The current situation of the EMS ring network in the north area can not ensure the safe and reliable operation of the system. In order to ensure the normal operation of the system, the network condition needs to be upgraded and modified.
Aiming at the problems, a novel method is provided, and the undisturbed access of enterprise energy production and metering signals to an online EMS system is realized when the EMS looped network is switched between a new looped network and an old looped network.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for undisturbed access of an industrial optical fiber ring network to an EMS online system, and realizing undisturbed access of enterprise energy production and metering signals to the EMS online system when the EMS ring network is switched between a new ring network and an old ring network.
In order to achieve the above object, the technical solution of the present invention is a method for accessing an industrial optical fiber ring network to an EMS online system without interference, which is characterized in that: firstly, connecting a main device and a standby device of a redundant server and a redundant scheduling operation terminal with the existing and newly-built industrial Ethernet of an EMS respectively; all standby equipment are connected to a newly-built EMS industrial ring network to form a relatively independent system; after the communication test is carried out on the newly-built EMS industrial ring network, a standby server of an EMS redundant system connected to the EMS central Ethernet system is separated from a standby scheduling 2# operation terminal according to hydrodynamic force/electric power and trend; the main server and the dispatching 1# terminal are still hung in the EMS existing industrial ring network to ensure the normal operation of remote control of the dispatching system, and the standby server and the dispatching 2# terminal are accessed into the newly-built EMS industrial ring network;
then, hardware interfaces of the standby server and the dispatching 2# terminal are switched to a port of a newly-built industrial ring network MACH4002 from a port of the existing industrial ring network MS3124, and the connectivity of the network is tested, wherein the connectivity of the network comprises whether equipment on the existing EMS industrial ring network accesses the main server and the dispatching 1# terminal and whether the newly-built EMS industrial ring network accesses the standby server and the dispatching 2# terminal; finally, switching is carried out according to the station sequence of the existing EMS industrial ring network, the stations are sequentially switched into the newly-built EMS industrial ring network, and the application of the stations after switching is operated by the EMS newly-built industrial ring network, the standby server and the dispatching No. 2 terminal; and finally, after the station switching is finished, the main server and the dispatching 1# terminal are hung in the EMS new-built industrial ring network, and the application of the whole EMS system is restored to the running states of the main server and the dispatching 1# terminal through the redundancy function of software.
In the method, a core industrial Ethernet switch MACH4000 is deployed at a center node of a newly-built independent new-area EMS industrial ring network, and an MS4128 industrial Ethernet switch is deployed at a ring network master station.
The invention relates to a method for accessing an industrial optical fiber ring network into an EMS online system without interference, which realizes the undisturbed access system of the EMS system which is continuously operated by an enterprise for 24 hours when the industrial ring network is reformed. The main server and the standby server are separated and then run on the double networks simultaneously, when the stations are switched, the switched stations and the unswitched stations can be monitored by two sets of dispatching desk terminals hanging two sets of ring networks, the problem that a dispatching system cannot acquire field data of the switched stations when the stations are switched is solved, and the safety, the stability and the continuity of energy production, regulation and control and rapid configuration of the iron and steel enterprise are ensured.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description;
FIG. 1 is a topological diagram of an optical fiber industrial ring network according to a method for accessing an industrial optical fiber ring network to an EMS online system without interference;
FIG. 2 is a connection diagram of the undisturbed access of the newly-built industrial optical fiber ring network in the method for the undisturbed access of the industrial optical fiber ring network to the EMS online system;
FIG. 3 is a connection diagram of a newly-built optical fiber industrial ring network according to the method for accessing an industrial optical fiber ring network to an EMS online system without interference;
fig. 4 is a connection diagram of a conventional optical fiber industrial ring network.
Detailed Description
Specifically, as shown in fig. 1 to 4, on the basis of not affecting the original EMS system architecture, the present invention connects the active/standby devices of the redundant server and the redundant scheduling operation terminal to the existing and newly-built industrial ethernet networks of the EMS respectively. The standby equipment is connected to the newly-built EMS industrial ring network to form a relatively independent system. After the new EMS industrial ring network is communicated and tested, a standby server of an EMS redundant system connected to the EMS central Ethernet system is separated from a standby scheduling 2# operation terminal according to hydrodynamic force/electric power and trend. The main server and the dispatching 1# terminal are still hung in the EMS existing industrial ring network, the normal operation of remote control of the dispatching system is guaranteed, and the standby server and the dispatching 2# terminal are accessed into the newly-built EMS industrial ring network.
And switching hardware interfaces of the standby server and the dispatching 2# terminal from the port of the existing industrial ring network MS3124 to the port of the newly-built industrial ring network MACH4002, and testing the connectivity of the network, wherein the hardware interfaces comprise whether the equipment on the existing EMS industrial ring network accesses the main server and the dispatching 1# terminal and whether the newly-built EMS industrial ring network accesses the standby server and the dispatching 2# terminal. At this time, the application of the whole EMS is still operated by the existing industrial ring network of the EMS, the main server and the dispatching 1# terminal.
And switching according to the station sequence of the existing EMS industrial ring network, and sequentially switching the stations into the newly-built EMS industrial ring network, wherein the application of the station after switching is operated by the EMS newly-built industrial ring network, the standby server and the dispatching 2# terminal.
After the station switching is finished, the main server and the dispatching 1# terminal are hung in an EMS new-built industrial ring network, and the application of the whole EMS system is restored to the running state of the main server and the dispatching 1# terminal through the redundancy function of software.
The invention is described above with reference to the accompanying drawings, and it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various modifications of the technical solution of the invention or to apply the technical solution of the invention to other occasions without any modification.
Claims (2)
1. A method for undisturbed access of an industrial optical fiber ring network to an EMS online system is characterized by comprising the following steps: firstly, connecting a redundant server and a master device and a standby device of a redundant scheduling operation terminal with an existing EMS industrial ring network and a newly-built EMS industrial ring network respectively; all standby equipment are connected to a newly-built EMS industrial ring network to form a relatively independent system; after the communication test is carried out on the newly-built EMS industrial ring network, a standby server of an EMS redundant system connected to the EMS central Ethernet system is separated from a standby scheduling 2# operation terminal according to hydrodynamic force/electric power and trend; the main server and the dispatching 1# terminal are still connected in the existing EMS industrial ring network in a hanging mode to guarantee the normal operation of remote control of the dispatching system, and the standby server and the standby dispatching 2# operation terminal are connected into a newly-built EMS industrial ring network;
testing the connectivity of the network, wherein the connectivity comprises whether equipment on the existing EMS industrial ring network accesses a main server and a dispatching 1# terminal is normal or not, and whether a newly-built EMS industrial ring network accesses a standby server and a standby dispatching 2# operation terminal is normal or not; finally, switching is carried out according to the station sequence of the existing EMS industrial ring network, the stations are sequentially switched into the newly-built EMS industrial ring network, and the application of the station after switching is operated by the newly-built EMS industrial ring network, a standby server and a standby scheduling 2# operation terminal; and finally, after the station switching is finished, the main server and the dispatching 1# terminal are hung in the newly-built EMS industrial ring network, and the application of the whole EMS system is restored to the running states of the main server and the dispatching 1# terminal through the redundancy function of software.
2. The method for undisturbed access of the industrial optical fiber ring network to the EMS online system according to claim 1, wherein the method comprises the following steps: in the method, a core industrial Ethernet switch MACH4000 is deployed at a center node of a newly-built independent new-area EMS industrial ring network, and an MS4128 industrial Ethernet switch is deployed at a ring network master station.
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| CN201811470582.4A CN109639355B (en) | 2018-12-04 | 2018-12-04 | Method for undisturbed access of industrial optical fiber ring network to EMS (energy management system) online system |
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| CN109639355B true CN109639355B (en) | 2022-07-01 |
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| CN101383511B (en) * | 2008-10-10 | 2010-08-04 | 清华大学 | Electrical power system status estimation method based on measurement data by data collection system |
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