AS.RG

AS.RG series energy regeneration device, by automatically detecting the DC bus voltage of the inverter, inverts the DC voltage of the inverter's DC link into an AC voltage with the same frequency and phase as the grid voltage, and feeds back to the local grid after filtering. , to supply power to the peripheral equipment of the local area grid, so as to achieve the purpose of energy regeneration to the grid.

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Principle introduction:

AS.RG series energy regeneration device, by automatically detecting the DC bus voltage of the inverter, inverts the DC voltage of the inverter's DC link into an AC voltage with the same frequency and phase as the grid voltage, and feeds back to the local grid after filtering. , to supply power to the peripheral equipment of the local area grid, so as to achieve the purpose of energy regeneration to the grid. The electric energy fed back to the grid reaches more than 96% of the generated energy, effectively saving electric energy. The built-in high-quality filter and advanced control technology ensure that the device will not cause interference to the grid and surrounding electrical equipment.

Technical advantages:

1) Using a dedicated high-speed algorithm to control the chip, timely and accurately track the grid voltage, with small regeneration impact and high efficiency; 2)
Using flexible regeneration PWM pulse width modulation technology, the output phase is accurate, and high-order harmonics can be effectively suppressed;
3) High-speed IGBT switches are selected Devices, less switching loss, high operating efficiency;
4) Low harmonics. Regeneration power grid has low harmonic content, grid-side current waveform is sinusoidal, and current total harmonic (THD) is far less than 5%;
5) High power factor. The power factor is approximately equal to 1, which can be used for power compensation of the grid;
6) No need for a brake chopper, and a brake resistor can be selected to enhance the safety of the elevator system;
7) A special reactor for energy regeneration is used, with high dv/dt impact resistance , Low core loss, long life and high efficiency;
8) Safe and reliable protection function. Such as overcurrent, short circuit, abnormal temperature and grid side voltage, etc.;
9) It has the advantages of fast dynamic response, can output large current in a short time, and high overall efficiency
; Low working temperature and high regeneration efficiency;
11) Comply with various strict national and industry standards.

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