Authorized System House of
Supervisory control and data acquisition (SCADA) systems are used in solar power plants for monitoring, control, remote communication purpose. The ingredients of SCADA system in solar power plants is introduced in this manual. Solar plant does not have any moving parts, as a result we need live and historical details about the plant, using a plant SCADA system that monitors all the critical field devices such as inverters, weather station, MFM (Multi function matter), SMB (String Monitoring Box), LT/HT panels Status. All this combined to provide a live and plant comprehensive view of the entire solar plant with continuous alert system, viewed from anywhere (at site/corporate office) – on PC/Mobile.
Stability Automation SCADA provides continuous 24×7 SCADA monitoring of:
Power generation at plant, sub plant, String level.
Energy exported to the Grid.
Environment ambient temperature, irradiation & wind speed.
Equipment Health Monitoring inverters, grid equipment and modules (helping O&M field and remote staff, and owners).
Detailed Reports and Graphs in near real time for effective O&M and Remote Monitoring.
Plant Performance – generation performance, uptime & efficiency, helping O&M and Plant Owners.
Here all the plant parameters can be monitored .Which includes SMB data, Inverter data, LT & HT panel breaker status data, HT panel Relays, MFM and Annunciator data. Complete Plant Overview includes data collection from RTU 1, RTU 2 and Data Concentration Unit.
1) LT panel and HT panel Breaker status
2) SMB data include string current, total string current, Power
3) Inverter data include AC / DC parameters, inverter status.
4) Weather monitoring station monitoring Include radiation, Accumulated radiation daily,
Humidity, Ambient Temperature, Ambient Temperature, Module Temperature etc.
5) Aux Panel Monitoring includes auxiliary consumption.
6) HT panel Incomer Relay data, Outgoing relay data, Incomer MFM‘s and Annunciator alarms and trip status.
7) CO2 suppression system and Fire Alarm status.
8) Alarm Banner Includes most recent alarm.
9) Navigation to all the below mentioning pages are available in the overview screen.
Inverter trend include Real time and Historical trending of Inverter data. Historical trend data available for a period of one week.
SMB trend includes Real time and Historical Trending of SMB data .Historical Trend values are available up to a period of one week
1) Siemens Siprotec 7SD61 Relay parameters
2) Alarms based on fault
The 7SD610 relay is a differential protection relay suitable for all types of applications and incorporating all those functions required for differential protection of lines, cables and transformers. Transformers and compensation coils within the differential protection zone are protected by means of integrated functions, which were previously to be found only in transformer differential protection. It is also well-suited for complex applications such as series and parallel compensation of lines and cables.It is designed to provide differential and directional back-up protection for all voltage levels and types of networks. The relay features high speed and phase-selective short circuit measurement. The unit is thus suitable for single-phase and three-phase fault clearance.
1) ABB REF615 Relay parameters
2) Alarms based on fault
REF615 is a dedicated feeder protection and control relay for protection, control, measurement and supervision of overhead lines and cable feeders in utility and industrial power distribution systems, including radial, looped and meshed distribution networks, with or without distributed power generation. REF615 has been designed to be the main over current and earth-fault protection for overhead lines and cable feeders, in either isolated neutral, resistance-earthed, compensated or effectively-earthed distribution networks, depending on the standard configuration. REF615 is available in altogether twelve standard configurations, of which two provide maximum functionality to allow fully flexible tailoring, one for sensors and the other for conventional current transformers.
1) Incomer 1 and Incomer 2 Annunciators data.
2) Alarms and indications based on the annunciation window status.
Multi Function meter that measures all electrical parameters (RMS Voltage, Current , Active power, Reactive power, Apparent power , Power factor ,Phase angle, Frequency, Active energy , Reactive energy ,Apparent energy, Demand in 3 phase 4 Wire and 3 phase 3 Wire System.
Alarms will be available in the alarm summary. Latest alarms will show in alarm banner available at the bottom of overview screen. Historical alarms are available for a period of 1 week. Alarm and log viewer is using for viewing old alarms.
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