PRS-7012 SCADA
By following the design principles of digital information collection, network-based communication platform and standard information sharing, the PRS-7012 monitoring system for centralized control station adopts layered distributed architecture. Based on an integrated platform, this system can achieve uniform collection, processing, storage and display of multi-specialty information of station. Through system integration and optimization, the system can provide operational monitoring, operation and control, monitoring management, and system maintenance of related plants and stations, and offer online real-time monitoring and panoramic display integrating main and auxiliary functions.
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Scope of Application
Centralized control center of grid company/power generation group/industrial and mining enterprises
Advantages
01
This system has uniform collection, processing, storage and display of multi-specialty information, and can provide operational monitoring, operation and control, monitoring management, and system maintenance of related plants and stations.
02
It supports the integrated graphic-mode library technique and provides one-key automatic imaging of monitoring screen, which can effectively eliminate omissions caused by manual drawing and significantly improve the imaging efficiency of monitoring screen.
03
It provides communication protocol management capable of dynamic expansion, which can meet the requirement for communication access in different periods and different scenarios.
04
It has great compatibility: supports multiple self-dependent & controllable/ non-self-dependent & controllable underlying systems, achieves service-based access to underlying resources, standard platform services, and modular upper-layer applications, and improves the maintenance, expansion and compatibility of engineering applications.
05
It supports the secure sandbox isolation technique, realizes isolation between applications and applications and secure isolation between applications and platforms, and effectively strengthens the security of power monitoring system.
06
It supports the hierarchical and optimal dispatching based on underlying resources, and this can effectively guarantee rapid response of real-time monitoring services.
07
It supports flexible load balancing and centralized deploying technique, which can improve the service processing capability of system and ensure high reliability of service.
08
It has complete self-diagnosis and self-recovery ability, failure or exit of a single module will not affect the main functions of system, and any human or machine operational mistake will not cause function loss or collapse of system.
09
It has powerful script calculation function, which can realize custom configuration of various calculation signal expressions and complex control blocking logic.
010
Supported by complete debugging and acceptance tools, the system has various debugging and auxiliary tools, such as the tools for communication simulation, automatic point-to-point, and network message monitoring and analysis, which can significantly improve the efficiency of debugging and acceptance.
011
It supports flexible expansion, which has continuous expansion and access ability of plants and stations.
012
It supports the database tamper-proof and one-key safe recovery technique, which can ensure the storage security of operation and monitoring data.
013
It achieves self-dependent and controllable core software and hardware, and the technology is secure, advanced and reliable.
Technical Features
Performance index parameters

From the time when real-time data   arrive at data acquisition equipment of centralized control system and then to real-time database

≤1s

From the time when the remote signal  change information arrives at the data acquisition equipment of the centralized control system to the time when the alarm information is launched

≤1s

From the when the remote regulation and remote control are selected to the time when the command sent out of the system

≤1s

Automatic screen pushing time after   accident judgment

≤3s

Screen call response time

Related screen of master equipment: ≤ 3s

Related screen of auxiliary equipment: ≤ 5s

Screen data refresh time

≤1s

Correct rate of control operation

100%

Data state quantity processing capability of master equipment

≥ 16000 pieces/s

Data analog quantity processing capability of master equipment

≥ 20,000/s

Man-machine workstation switching time

≤5s

Application fault switching time

≤5s

Annual availability rate of the system

≥99.9%

Mean time between failures (MTBF) for critical equipment

≥20000h

CPU load rate under normal state

Server (within any 5min): ≤ 15%

Workstation (within any 5min): ≤ 20%

CPU load rate under fault state

Server (within any 30s): ≤ 30%

Workstation (within any 30s): ≤ 40%

Average load rate of network

Under normal condition (within 30s) ≤ 20%

In case of failure (within any 30s) ≤ 30%

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