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The ANRGS(F) Series Regenerative AC Grid Simulator adopts advanced SPWM technology, FPGA digital processing technology, and high-power switching power supply technology, and it can output AC, DC, and AC+DC, providing precise power input for AC load, DC load, rectifier load, etc.
The power supply has the function of 100% energy feedback to the grid, enabling four-quadrant operation and significant energy savings to reduce operating costs. It can set wave-form switch-on and switch-off angles for testing surge current and output maintenance time. It can also set the rate of change of voltage and frequency to scan the range of power input specifications for the object to be tested.
The power supply can simulate abnormal instantaneous rise, drop, short circuit, jitter, and other phenomena in the power grid. It can also provide accurate and fast measurement of power parameters. The ANRGS(F) Series Regenerative Grid Simulator adopts advanced SPWM technology with excellent power output quality, widely used in laboratories and production lines in the photovoltaic, new energy vehicle, and other industries.
It has advanced SPWM technology and FPGA digital processing technology and high-power switching power supply technology with high power density.
It has multiple output modes, including AC, DC, and AC+DC.
It has 100% energy feedback to the grid, and the power supply can operate in all four quadrants.
This regenerative AC grid simulator power supply can realize three-phase and single-phase parallel operation, and the single-phase output after parallel connection can reach the maximum capacity of the whole unit. It has a harmonic synthesis function for 2-50 times harmonics with a synthesis bandwidth of 3,000Hz.
It has three programming functions: sequence, pulse, and step, which simulate the interference in the actual grid, with a minimum programming step size of 1ms. It has a 5-inch LCD, which is small in size, light in weight, and 4U in height, meeting the installation requirements of standard cabinets. It is equipped with RS485 and Ethernet communication interfaces as standard, with optionalRS232 and GPIB communication interfaces. It comes with upper computer software, which can import and export arbitrary waveforms and set parameters through the upper computer.
AC+DC output mode: AC, DC, and AC+DC
Start-stop angle: In the conventional mode, the start-stop angles of the waveform can be set to facilitate surge current tests.
Output waveform can be set: the three-phase output waveform can be independently set to select a sine wave, square wave, triangular wave, clipped sine wave, 30 sets of built-in waveforms, and 6 sets of user-defined waveforms.
Sequence mode: it has universally programmable settings, where each phase of AC voltage, DC voltage, frequency, phase, waveform, and time can be independently set according to single-step settings. Trigger phase and cycle count can be set, and parameters of three-phase outputs can be separately configured. Any phase abrupt change/crossing test can be achieved. Rich sequence combinations with a high degree of freedom in parameter settings. By setting different combined sequence parameters, high- and low-voltage crossing tests can be completed. Minimum programming setting time is 1ms, capable of completing a 1ms stop test. Each sequence in each phase can independently set one of the 6 waveforms.
Pulse mode: it periodically changes the output state, where the power output will cyclically vary between the regular power supply and the pulse voltage. Each phase of AC voltage, DC voltage, frequency, angle, waveform, time, etc., can be independently set.
Step mode: Also known as staircase mode, where the output voltage gradually increases or decreases according to the set step size from the initial value. Each phase's AC voltage, DC voltage, and frequency can be independently set for the initial value and change amount. Angle, waveform, step count, and step time for each phase can also be set independently.
Harmonic synthesis: the power supply has a harmonic editing function(2-50 times), and various harmonic components can be added to the standard sine wave. It has 3 sets of percentage harmonic storage groups and 3 sets of amplitude harmonic storage groups that can be quickly called. The fundamental voltage, harmonic content, angle, etc., of each phase can be independently set. Under the percentage mode, the content and angle of each harmonic can be set, with a single harmonic up to 30%, no limit on total harmonic content, and no limit on the number of harmonic superimpositions. Under the amplitude mode, specific voltage values can be set for harmonic components without any percentage relationship with the fundamental voltage.
Interharmonic synthesis: the power supply has an interharmonic editing function, allowing the addition of interharmonic components to the standard sine wave. Interharmonic trigger angle, start-stop frequencies, content, and scanning time can be set, with an interharmonic frequency range of 16-3000Hz.
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