Grid Simulation Power Supply ANGS Series

Grid Simulation Power Supply ANGS Series

    ANGS Series

  The ANGS series grid simulator power supply is specially developed for photovoltaic, wind energy and other new energy industries, and is suitable for inverter testing and verification. The power supply adopts FPGA digital control technology, and the inverter test process can be fully intelligent; it has a sine wave output mode and multiple harmonic superimposed output modes, single-phase, two-phase or three-phase low (zero) voltage ride-through, which can be fully simulated Various abnormal conditions of the power grid can be coordinated to complete the test of over-voltage, under-voltage, over-under-frequency, unbalance and anti-islanding protection functions to meet the test requirements of relevant regulations.


  1.Adopt FPGA digital technology, realize intelligent inverter testing process;

  2.High performance low (zero) voltage ride through;

  3.Voltage and frequency can be set as complex programming such as Step, stage or varations, overvoltage/undervoltage, over-frequency/under-frequency test;

  4.Harmonic mode, can be superimposed 2 to 40-th harmonics;

  5.Three-phase Unbalanced mode, adjustable three-phase voltage and three-phase phase difference, Realize three-phase Unbalanced test;

  6.High voltage DC output. Loop test combining PV inverter;

  7.Operating in over current shock( up to 3 times of rated current) within 2s,strong load capacity;

  8.Complete measurement function: voltage, current, peak current, frequency, active power, apparent power, power factor, voltage crest factor;

  9.Online monitoring: IGBT temperature, transformer temperature, fan speed, input voltage and other parameters in output state;

  10.Operating data recorder: Automatically record the power status, alarm code etc. in case of alarm, greatly reducing maintenance time;

  11.Automatic fan speed adjustment according to the temperature of the power supply, quiet;

  12.Lock key, user-friendly design, automatically locking after no-operation for 5 minutes to prevent misuse;

  13. Combination cabinet, 8” large-screen color LCD;

  14.Standard RS232, optional RS485, GPIB, Ethernet port or analog control mode;


  The ANGS series Grid Simulator Power Supply can simulate overvoltage/undervoltage, over-frequency/under-frequency, low (zero) voltage ride through and other curves. The overvoltage/undervoltage, over-frequency/under-frequency, anti-islanding protection of inverter can be tested with anti-islanding load or AC electronic load. AN51 series solar cell simulator can simulate a variety of I-V curves of solar cell to verify the inverter's maximum power tracking capability, and conduct inverter aging test and overvoltage/undervoltage protection; AN87500(F) multi-channel power analyzer can analyze the inverter’s power, harmonics, efficiency and other parameters, so as to conduct comprehensive analysis of inverter performance. Three kinds of equipment can be integrated using professional PC test software to form a comprehensive inverter test system and solutions.

  Grid Simulator Power Supply, the solar cell simulator and power analyzer forming the inverter test system

  Grid Simulator Power Supply output high-voltage DC, conducting loop test combing with the inverter

  The DC output terminal of ANGS series Grid Simulator Power Supply is connected to the DC input terminal of the inverter. The DC output terminal of the inverter is connected with the output terminal of the Grid Simulator Power Supply in parallel to form a loop test. The energy flows in the loop, saving equipment investment for some specific tests.

  Low (zero) voltage ride through

  Programmable output (step, stage, varations) for over-voltage/under voltage and over frequency/under frequency testing.

  Harmonic mode

  Three-phase unbalance test

  Large-size color LCD, digital key input, knob operation

  PC control software

  Specifications of ANGS series

Model ANGS015T(F) ANGS030T(F) ANGS045T(F) ANGS060T(F) ANGS090T(F) ANGS120T(F) ANGS180T(F) ANGS240T(F)
capacity 15kVA 30kVA 45kVA 60kVA 90kVA 120kVA 180kVA 240kVA
Input Voltage,Frequency 3-phase 4-wires + PE,Phase voltage: 220V±33V, line voltage: 380V±57V,50/60Hz±3Hz
AC output Output mode 3-phase-4wires  standard mode, 3 phase unbalanced mode
Voltage,Frequency Phase voltage 0.0~300.0V,Frequency 45.00~65.00Hz
Rated Current 220V 22.7A 45.4A 68.2A 90.9A 136.3A 181.8A 272.7A 363.6A
Setting accuracy Voltage Resolution:0.1V,Accuracy:0.2%×reading value +0.2%×full scale value
Frequency Resolution:0.01Hz,Accuracy:0.05%
Testing Accuracy Voltage Resolution:0.1V,Accuracy:0.2%×reading value +0.2%×full scale value
Frequency Resolution:0.01Hz,Accuracy:0.05%
Current Resolution:0.1A/1A,Accuracy:0.3%×reading value +0.3%×full scale value
Power  Resolution:0.1kW/0.01kW/0.001kW,Accuracy:0.45%×reading value +0.45%×full scale value
Frequency stability ≤0.02%
Voltage distortion Linear load:THD<1%
Transient recovery time 20ms
3 phase phase difference 3-phase standard mode:120°±2°
3 phase unbalanced mode:0.0°~359.9°,0.1°Adjustable
Crest factor 1.41±0.1
Source voltage effect ≤1%
Load effect ≤1%
Over power 105%<Output≤110%  the output will be stopped within 15s ;110%<Output≤200%  the output will be stopped within 5s;
200%<Output≤300%  the output will be stopped within 2s ;300%<Output the output will be stopped immediately
Protection mode IGBT overheat、IGBT over current、Transformer overheat、Input lack voltage、Input over voltage、Output lack voltage、Output over voltage、Lack output phase、Output over load、Output short cirluit、Output over current、bus anti-recharge
Function Display mode 8 inch LCD display, resolution: 800*600;soft-start:0.0~99.9s
Output waveform Sine wave, harmonics (superimposed 2 ~ 40-th harmonics)
Programming Low (zero) voltage through With, minimum response time 20ms
Step 9999 step
List 100 steps: 999999 cycles
Ramp 100 steps: 999999 cycles
Online adjustment function In the normal mode, the output voltage and frequency can be adjusted online
memory function/ Shortcut group Power down memory function, memory last output mode and parameters;10 groups of common modes, 10 groups of harmonics 
Line voltage crop compensation 0.000~0.500Ω
Communication RS232(standard)、RS485(options)、GPIB(options)、Ethernet(options) 、Analog control port(options)
DC output Voltage DC bus voltage
Current 16A 33A 49A 65A 98A 131A 196A 262A
environment Temperature/humidity 0~40℃,20~90%RH
Dimension W×H×D(mm) 1000×1990×800 1200×1990×800 1200×1990×1000
Weight (Kg) 310 360 500 620 810 1060 1350 1520
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