SOLAR PV SCADA SYSTEMS
Customized SCADA systems to meet all solar PV project requirements
Nor-Cal’s turnkey SCADA systems include a Power Plant Controller (PPC) enabling site-wide substation and individual inverter and device level control, meeting all Utility IA, PPA and ISO requirements.
Solar PV SCADA Solution Overview
Solar PV SCADA HMI Graphical Screens:
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- Web-based
- Customizable
- Allows for changes in settings and control modes
- POI data: MW, MVar, Voltages, Currents
- Breaker Control
- Inverter Auto/Manual – Start/Stop control
- Inverter data: MW, MVar, Voltages, Currents
- Site Controller for real and reactive power commands in compliance with LGIA and PPA
- Alarms and Events
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Solar PV SCADA Power Plant Controller Functionalities:
- Active Power Control (Control modes adjusted per market: CAISO, MISO, ERCOT).
- AGC – Active Power Curtailment & Limit Control: irradiance ramp control, max POI limit regulation, ramp rate control
- Setpoint Ramp Rate
- Site Output Ramp Rate Control
- Frequency Response
- Automatic Voltage Regulation with various control modes:
- Reactive Power Control Mode
- Power Factor Control Mode
- Voltage Control Mode (Droop)
- Voltage Control Mode (setpoint)
- Ramp Rate Control and Reactive Limits
- Capacitor and Inductor Bank Control
- Custom site/Utility/AHJ specific requirements
Hardware:
- Emerson RX3i – PLC (Redundant as optional)
- Full 19” SCADA rack with PPC – SCADA Server-Historian Server, Firewall, root Switches, Fiber and Cable management
- Field communication enclosures (Field switches – Remote I/O, Fiber and cable management
- MET Stations
Software:
- Inductive Automation – Ignition HMI + Perspective
- Canary Labs Historian
- Emerson Machine Edition (PPC programing)
- Kepware
On-site Integration & Testing:
- Factory Acceptance Testing (FAT)
- On-site commissioning support
- Site Acceptance Testing (SAT)
- Remote engineering and testing support through COD and Energization
Operator Training:
- Remote, site specific SCADA system training (hardware and software)
- Additional training options available upon request
On-going Maintenance and Support:
- Remote, site specific SCADA system training (hardware and software)
- Additional training options available upon request
- Telephonic support
- Monitored email support
- Remote assistance using remote desktop and a virtual private network
- Planned or emergency on-site support
- Quarterly system health check
SCADA Support Services (“S3”)
Nor-Cal’s SCADA support services allows end users to utilize Nor-Cal’s dedicated team of experienced and knowledgeable engineers through a more proactive approach. Our team will have secure access to the operational system and will be readily available for any support or troubleshooting needs that arise through day-to-day operations. Utilizing this approach will ensure your systems will have the support they need to perform efficiently on a consistent basis.
Remote SCADA system network, alarm, and device troubleshooting support (software level) for any devices connected to the local SCADA system, including but not limited to:
- Inverters
- MV Transformers
- Trackers
- Substation IEDs
- Weather Stations
- Metering
Other related support services also available upon customer request and owner approval:
- HMI and SCADA point list modifications
- Project recovery/restore
- Logic modifications and control tuning enhancements
- Substation IEDs
Service offering also includes dispatchable on-site field technician support when needed, available upon customer request.
SCADA Support Services Brochure
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