Regenerative Grid Simulator
PAS/PFV Series
PAS series is a four-quadrant AC power source AC power source that can be used as power source or sink the power from EUT back to the grid with more than 90% efficiency. This function effectively helps to reduce the electricity cost. The PAS series is suitable for testing distributed generation/Grid-tied EUT with energy feedback feature, for example, solar inverter, PCS (power conditioning system), V2G (vehicle-to-grid). The maximum output power for PAS series is up to 2000kVA, and the PFV series is up to 400kVA.
Output Power
30kVA-2000kVA
Output Voltage
0-300V
Output Frequency
45~65Hz
40~70Hz (opt.)
Interface
Downloads
Regenerative Function
The PAS series is a four-quadrant regenerative AC power source, capable of both sinking and sourcing power with over 90% efficiency. Ideal for testing grid-tied devices such as PV inverters and bidirectional EV chargers, it returns energy to the grid without the need for external power resistors. With built-in Low Voltage Ride Through (LVRT) and High Voltage Ride Through (HVRT) test waveforms, the PAS series supports IEEE-1547 and BDEW compliance testing.
The diagram illustrates a typical PV inverter test setup: the ADG+ series simulates solar array output, while the PAS series emulates the grid and regenerates energy from the inverter.
HVRT and LVRT Function
PAS built in HVRT/LVRT can simulate such as voltage drop, voltage restore or rising time and remaining time can all be programmed.
Three Phase Independent Output Voltage Setting
Independent setting for three phase high/low voltage ride through to simulate voltage drop and surge.
Ideal for Grid Simulation Applications
The PAS series is a grid simulator particularly designed and developed for renewable energy related applications. It has been widely applied for the testing applications of smart inverters, battery charging/discharging, Power Conditioning System (PCS) and Vehicle-to-grid (V2G). The PAS series not only provides power to the EUT, but also sinks the power back to the grid system, which is suitable for grid testing application.
Harmonics Waveform Synthesis Function (Opt.)
The PAS series harmonics waveform synthesis function allows users to program multiplex distorted harmonic waveforms with up to 25 steps. By using fundamental frequency of 50Hz or 60Hz, the voltage amplitude and output start phase of each order can be easily programmed.
GRADUAL and STEP Function
PAS / PFV series have multiple programmable functions to precisely and effectively simulate various power line disturbances such as voltage or frequency ramp up or ramp down, transient and step changes.
