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Power Plant Controller
Utility scale plants have Power Purchase Agreements (PPAs) and Interconnect Agreements (IAs) that explicitly require the ability to curtail or to control/ regulate the PV Plant outputs by using different control techniques. Lower megawatt sites that aren’t subject to these agreements generally just turn on the inverters and plant equipment and let them self-regulate their outputs. While there’s no standardized capacity threshold as certain at this moment, most sites above 10 megawatts require a plant controller.
Why iPLON i–GOT !
Every Grid operator, all around the country impose different technical requirements when it comes to connecting photovoltaic power plants to the transmission or distribution system. Power Plant Control (PPC) is very much important in the PV system, If the requirement of power in grid is less than the power generating from PV cell then it is required to control the Active Power, otherwise it will end up giving more power to grid than its requirement, which is not good. Similarly Active/Reactive power control is necessary to achieve the stable grid requirements.
The SCADA system continuously monitor active and reactive power import and export level for every seconds at the plant end point of common coupling (PCC) with Transmission line and system trigger the reactive power generation in both MPPT & Q mode of Inverter Operation. The feedback system continuously compare the fixed active power & reactive power with live Metering system available at PCC.
iPLON PPC (i-GoT) is an IoT Embedded based control system that can manage real and reactive power from solar, developed to be integrated into a power plant as a main governor, it can communicate with most of the Inverters able to receive commands and have ability to control the active & reactive power characteristics.
iPLON PPC Data Sheet – Click Here
TYPICAL CONTROL MODES
✓ Open/ Closed Loop Power Control
✓ SLDC Mode ON/OFF Possibility Available
- Active Power Control
- Reactive Power control
- Power Factor Control
- Q/U Reactive Power Management for Voltage Control
- P/F Active Power Curtailment for Frequency Control
- Pavagada Cluster (Karnataka) –100 MW: P Control, Q control & Q/U Control for Grid stability.
- Neemuch (MP) – 105 MW: Reactive Power Control for compensate Transmission Loss and to improve power factor at substation end to avoid high Penalty due to this.