PAS Series Switching-mode 4-Quadrant Power Amplifier PONOVO POWER CO., LTD. www.ponovo.net

Introduction PAS Series Switching-mode 4-Quadrant Power Amplifier (Hereinafter referred to as PAS Series) is the important equipment used for PHIL (Power Hardware in Loop) solution, which can be vastly used for different industry application, such as electrical power system testing, new energy, aerospace, railway transportation, PV, EV, microgrid, large power charging system, distribute energy, etc. PAS Series are equipped with independent four-quadrant digital power amplifiers that can be operated from DC up to 2kHz (small signal 15kHz) output voltage. PAS Series offers various AC, DC and Hardware-In-the-Loop...

PAS Series Switching-mode 4-Quadrant Power Amplifier Simulation PAS120i cabinets Output interface cabinet Power amplifier cabinet Main power supply cabinet Output interface cabinet Power amplifier cabinet Main power supply cabinet Soft start resistance box System monitoring unit Bi-directional AC/DC-A Soft start control panel AURORA Digital Interface DIA01(rear panel) Bi-directional AC/DC-B Output interface (rear panel) Bi-directional AC/DC-C Main power control panel

PAS Series Switching-mode 4-Quadrant Power Amplifier Simulation PAS120i components Output interface cabinet Power amplifier cabinet System monitoring unit Power amplifier control unit – A phase Reserved Power amplifier A phase-1 Power amplifier A phase-2 Capacitor unit-A phase Power amplifier B phase-1 Power amplifier B phase-2 Soft start resistance box Bi-directional AC/DC-A-1 Bi-directional AC/DC-A-2 Bi-directional AC/DC-A-3 Bi-direction al AC/DC-B-1 Bi-directional AC/DC-B-2 Power amplifier control unit – B phase Reserved Main power supply cabinet Capacitor unit-B phase Bi-directional AC/DC-B-3...

PAS Series Switching-mode 4-Quadrant Power Amplifier Simulation PAS60i cabinets Output interface cabinet Power amplifier cabinet Main power supply cabinet Output interface cabinet Power amplifier cabinet Main power supply cabinet Soft start resistance box System monitoring unit Bi-directional AC/DC-A Soft start control panel AURORA Digital Interface DIA01(rear panel) Bi-directional AC/DC-B Output interface (rear panel) Bi-directional AC/DC-C Main power control panel

PAS Series Switching-mode 4-Quadrant Power Amplifier Simulation PAS60i components Output interface cabinet Power amplifier cabinet Main power supply cabinet System monitoring unit Power amplifier control unit – A phase Reserved Power amplifier A phase Reserved Capacitor unit-A phase Power amplifier control unit – B phase Soft start resistance box Reserved Reserved Bi-directional AC/DC-A-1 Bi-directional AC/DC-A-2 Bi-directional AC/DC-B-1 Bi-directional AC/DC-B-2 Power amplifier B phase Capacitor unit-B phase Power amplifier control unit – C phase Power amplifier C phase Reserved Capacitor unit-C...

PAS Series Switching-mode 4-Quadrant Power Amplifier Simulation Application 1-output mode PAS120i system is operation in rated output mode, the load can be resistive load, capacitive load and inductive load. A B C N PE Power grid Resistive load Resistive load and capacitive load are connected in series Vout+ PAS120i C phase Vout- Resistive load and inductive load are connected in ser

PAS Series Switching-mode 4-Quadrant Power Amplifier Simulation Application 2-sink mode (with isolation transformer, up to 100% sink power) In the photovoltaic system simulation test, PAS120i system is operation in 100% sink mode. HIOKI 3166: monitoring the current and voltage to the power grid. P: 26.33kW Q: -12.25kvar S: 29.04kVA AC/DC: for converting AC to DC, simulating solar panels, or battery systems. SUN2000: inverter in PV system, converts DC into AC power (can track grid frequency and phase) SUN2000-1: 43kW SUN2000-2: 42kW SUN2000-3: 32kW Transformer: isolation function and step-up voltage...

Application 3-dynamic power flow mode In the dynamic power flow test, PAS120i system is operation in output mode or sink mode. The operation state of PAS120i system is decide by the output power of the solar system and the consumed power of the load. Transformer: isolation function and step-up voltage PAS120i: green waveform is the dynamic moment from sink mode to output mode

PAS Series Switching-mode 4-Quadrant Power Amplifier Simulation Application 4-sink mode (without isolation transformer, 80% sink power) In the photovoltaic system simulation test, PAS100Di customized system is operation in 80% sink power mode. AC/DC: for converting AC to DC, simulating solar panels, or battery systems. SUN2000: inverter in PV system, converts DC into AC power (can track grid frequency and phase) PAS100Di (rated power 100kW) is operation in 80% sink power mode purple Vc: 220V green Ic: 121A

For PAS120i system, the voltage output of A phase, B phase and C phase can be series connected and the negative of B phase is ground as follow diagram: Power amplifier

PAS Series Switching-mode 4-QuadrantlPower Amplifier Switching-mode 4-Quadrant Power Amplifier

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