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PRS-7000 SCADA
The substation monitoring system is deployed in the substation, which is the brain of substation operation and management. By following the design principles of digital information collection, network-based communication platform and standard information sharing, the PRS-7000 substation integrated monitoring system adopts the DL/T860 standard and layered distributed architecture. Based on system integration and optimization, this system can achieve uniform collection, processing, storage and display of multi-specialty information of station., and realize the functions of operation monitoring, operation control, economic operation of reactive voltage, comprehensive information analysis, intelligent fault alarm, intelligent association, operation management and auxiliary applications. It supports the information model and standardized interface for deep interaction and collaboration between the main station and substation, and also supports comprehensive monitoring and remote operation and maintenance management of the substation by the higher-level main station.
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Scope of Application
It is applicable to the substations with voltage levels of 35kV and above, which can satisfy the requirements of various application scenarios, such as conventional substation, digital substation, intelligent substation, and smart substation.
Advantages
01
Powerful functions: integrated five-protection, one-key sequence control, VQC, intelligent fault alarm, and intelligent association.
02
System security: self-dependent and controllable core software and hardware, advanced and reliable.
03
Great compatibility: service-based access to underlying resources, standard platform services, and modular upper-layer applications.
04
Secure isolation: the system supports secure isolation between applications and applications/platforms, and strengthens the security of power monitoring system.
05
Tamper-proof database and one-key safe recovery: it can ensure the storage security of operation and monitoring data.
06
Hierarchical and optimal dispatching based on underlying resources: this can effectively guarantee rapid response of real-time monitoring services.
07
Flexible load balancing: this function can improve the service processing capability of system and ensure high reliability of service.
08
Integrated graphic-mode library: it supports one-key automatic imaging of monitoring screen, which can effectively eliminate omissions caused by manual drawing and improve the imaging efficiency of monitoring screen.
09
Dynamic expansion of communication protocols: it enables communication access of various monitoring devices in substations in different periods and different scenarios.
010
Powerful script calculation function: it supports custom configuration of various calculation signal expressions and complex control blocking logic.
Technical Features
Performance Index Parameters

Recording of Sequence of Events (SOE)

≤1ms

Response Time of Remote Metering Quantity Information

≤2s

Response Time of State Value Change

≤1s

Response Time of Recalling Real-Time View Picture

≤1s

Response Time of Recalling Other View Picture

≤2s

Picture Data Refreshing Time

≤1s

Processing Time of Monitoring Host for Remote Control Command

≤2s

Accuracy of Control Operation

100%

Judgement Time of Station-Level Network Communication State Change

≤1min

Meaning Time Between Faults (MTBF)

≥30000h

Average Load Rate of Various Station-Level Workstations and Server CPU

In case of normal operation (within any 30min) ≤30%

In case of power system fault (within 10s) ≤50%

Average load rate of network

In case of normal operation (within any 30min) ≤20%

In case of power system fault (within 10s) ≤40%

Real-Time Database Capacity

Analog quantity ≥50000 points

State value ≥100000 points

Remote control ≥30000 points

Calculated quantity ≥2000 points

Historical Database Storage Capacity

Storage time ≥ 2 years

Observed Time Difference of Monitoring Host

≤200ms

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