PAS-F: Regenerative AC Source + Grid Simulator
The PAS-F Series is a bi-directional AC Source with four quadrant energy feedback function
This product was developed for renewable energy related applications such as electric vehicle & battery testing and can simulate various grid conditions.
Our PAS-F Series has a built-in low voltage ride through function (LVRT) which can simulate abnormal grid conditions. Paired with built in STEP and Gradual transitions make the PAS-F a great product for PV Inverter, Bi-Directional, EV, charger and Energy Storage Systems testing.
The PAS-F regenerative grid simulator output is adjustable up to 300VL-N (519VL-L) and 45-65Hz. Creating voltage and frequency disturbances such as steps and drops gives users a powerful instrument for design validation testing of new products. The DSP based controller allows independent phase angle and voltage control for testing against phase unbalance in three phase products.
Featured Benefits
- Output Power 45kVA -2000kVA
- Output Frequency 40-70Hz
- Suitable for UL1741, IEEE 1547, BDEW, and CEI0-16
- RS-232/485, GPIB, Ethernet and USB
Applications
- Laboratory/Certification Bureau
- Electric Vehicles
- Renewable Energy
- Motor & Compressor
Features
- PAS has built-in low voltage ride through (LVRT) mode, which can be easily used for simulating the voltage drop test according to different test standards.
- PAS/PFV equip with energy feedback feature that feeds energy back into the grid system for saving energy and sinking the power from grid tie devices.
- PAS series is suitable for standard verification. For example: UL1741, IEEE 1547, BDEW, and CEI0-16 etc.
- Three phase independent voltage adjustment is suitable for three phase balance testing or multiple single phase test units. It also equips with phase angle adjustment.
- Standard RS-232, RS-485 communication interface, optional GPIB, Ethernet and USB.
- With 7 inch LCD touch screen display, it can display output voltage, current, frequency, active/apparent power, power factor, test information at the same time.
- More protection mechanism, detect output undervoltage overvoltage, overcurrent, over load, inpunt undervoltage/overvoltage, over temperature... etc 20 fault conditions and record 255 operation and alarm information for troubleshooting and analysis.
- Step or gradual mode programmable memories can be used for simulate abnormal power condition and run in automatically sequences, which allows you to setup different voltage and frequency in each steps for your power simulation requirements.
Regenerative Function
PAS series is a four-quadrant AC power source which is capable to be a power source or sink the power from the EUT back to the grid system with 90% efficiency. It is suitable for PV Inverter test, EV charger test or other grid tie devices test.
Build in with Low Voltage Ride Through (LVRT) test graph and it is very suitable for IEEE-1547 or BDEW related standards compliance test.
Product Features
- Excellent Regulation Rate
- High Efficiency
- High Output Power quality
- Built-in Features
- Four Quadrant AC Source
Load regulation rate is less than 1%
Efficiency up to 92%
Clean output sinewave and low impact to the input grid system.
- THD (Harmonic distortion) ≤ 2%
- ITHD (input current harmonic) ≤ 5%
- PF (input power factor) 0.99
LVRT/HVRT simulations
Capable to regenerate and recycle the power
Low Voltage Ride
Through (LVRT)
Built-in Low Voltage Ride Through (LVRT) mode can simulate the grid in abnormal conditions.
The settings include rated voltage, frequency, drop voltage, recovery voltage, rise time and drop time to simulate various grid conditions.
A Variety of Builtin
Programmable
Features
PAS/PFV series has a number of programmable features that can effectively and accurately simulate a variety of power abnormal conditions or disturbance. Through the built-in step and gradual mode, users can simulate voltage and frequency single-step or continuously changes, such as voltage and frequency ramp up/ ramp down, instantaneous changes, and so on. Phase angle and three phase independent adjustment function can be used for simulating three phase imbalance and further test the reliability of the EUT. With low voltage ride through and regenerative function, PAS series is suitable for PV Inverter, Bi-directional EV charger, Energy Storage System as an all purpose grid system simulator
Complex Sequence Generator
By linking together a number of differently configured sequences, complex progressions can be created. Smart configuration of the arbitrary generator can be used to match triangular, sine, rectangular or trapezoidal wave functions and thus, e.g. a sequence of rectangular waves with differing amplitudes or duty cycles can be produced.
For the implementation of the LabView IDE Intepro offers ready-to-use components (VIs) to be used with the Ethernet interface. Other IDEs and interfaces may be supported upon request.
Simulation
The Intepro PAS-F Grid Simulator employs the most advanced PWM rectification (active rectification) technology with four-quadrant operation capability. It is able to provide excellent sinusoidal voltage output and achieve very high output voltage and frequency stability. All necessary protection mechanisms are implemented in the electronic circuitry to quickly detect, execute proper actions immediately and active necessary alarms.
User Control
This grid simulator can be controlled by either the touch panel installed on it (the local control) or by the communication channels (eg. RS485) connected to an external computer (the remote control). Either way of control has a user friendly interface which makes controlling and programming this grid simulator much easier than before.
Certification Test
The PAS-F grid simulator offers embedded Low-Voltage-Ride-Through test windows that allow for simple programming used in compliance routines. The PAS-F offers independent phase control to meet requirements such as IEEE1547 where muti-phase inverters must be tested on an individual basis and all phases simultaneously. The PAS-F Grid Simulator is a reference AC source for use in UL1741, IEEE1547, BDEW and CEI0-16 type compliance testing.
The Test Engineers dilemma when testing dispersed energy products such as PV inverters, Energy Storage systems and wind turbines is that the traditional test set up requires a load in parallel with the EUT and AC source. As a result energy from the EUT is burned into the load creating lost energy in the form of heat. The heat often means building infrastructure like HVAC systems must be updated to cool the laboratory or production floor. The PAS-F grid simulator does not require the parallel load and instead full EUT current is sunk into the AC source and 92% of the power is regenerated back to the utility grid. The PAS-F lowers the total cost of ownership and costly infrastructure upgrades.
Model Comparison
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FAQ
The PAS-F is a regenerative AC power source and grid simulator designed to deliver clean, programmable AC power while providing the capability to simulate various grid conditions for testing inverters, renewable energy systems, and electrical devices under real-world scenarios.
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