GalaxyFlex Power Plant Controller (PPC) is an advanced control system for utility-scale solar and energy storage plants. It enables fast frequency response, active/reactive power regulation, and grid-compliant plant coordination under high renewable penetration conditions.
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Model |
Specification |
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Application |
Utility-scale BESS and PV + Storage hybrid plants |
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Control Scope |
Active power (P), reactive power (Q), voltage (V), frequency (f) at POI |
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Active Power Control |
Setpoint control, power limiting, ramp rate control, AGC tracking |
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Frequency Support |
P–f droop control, over/under frequency response |
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Reactive Power Control |
Q control, Q(P), cosφ, cosφ(P), Volt-Var, Night VAR |
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Voltage Regulation |
Closed-loop AVR at POI, LDC supported |
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Control Cycle Time |
≤ 50 ms (typical) |
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Command Response Time |
≤ 100 ms |
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Power Control Accuracy |
≤ ±0.5% |
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Voltage Measurement Accuracy |
≤ ±0.2% |
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System Capability |
Multi-PCS coordination, multi-feeder plant support |
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BESS Coordination |
SoC-constrained power control, fast charge/discharge response |
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Southbound Protocols |
Modbus TCP / RTU, IEC 61850 (optional) |
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Northbound Protocols |
IEC 60870-5-104, DNP3, Modbus TCP, OPC UA (optional) |
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Hardware Interfaces |
Ethernet, digital I/O, external meter interface |
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Time Synchronization |
NTP (IRIG-B optional) |
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Redundancy |
Active / Standby controller, redundant power supply |
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Fail-safe Modes |
Degraded operation and safe power limiting |
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Operating Temperature |
–20 ℃ to +50 ℃ |
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Protection Class |
IP54 / IP55 |
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Installation |
Cabinet-mounted / wall-mounted / rack-mounted |
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Operating Altitude |
Up to 3000 m (extendable) |
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