YXC 25MHz Quartz Crystal Oscillator Is Used Iin Pcs Energy Storage Converters, with A Frequency Difference of ±20ppm at Normal Temperature

时间： 2024-04-17 来源：YXC News

技术问答

As one of the important forms of large-scale energy storage systems, battery energy storage has various uses such as peak shaving, valley filling, frequency modulation, phase modulation, and emergency backup. Compared with conventional power sources, large-scale energy storage power stations can adapt to rapid changes in loads, playing an important role in improving the safe and stable operation of the power system, the power supply and reliability of the grid, and can also optimize the power supply structure to achieve green and environmental protection. Achieve overall energy saving and consumption reduction of the power system and improve overall economic benefits.

The energy storage converter (PCS) can control the charging and discharging process of the battery, perform AC and DC conversion, and can directly supply power to the AC load when there is no power grid.

Energy storage ACs are widely used in power systems, rail transit, military industry, petroleum machinery, new energy vehicles, wind power, solar photovoltaics and other fields to achieve bidirectional energy in power grid peak-shaving and valley-filling, smoothing of new energy fluctuations, energy recovery and utilization, etc. flow, actively support the voltage and frequency of the grid, and improve the quality of power supply.

crystal oscillator plays a very important role in energy storage converter. As a new energy power generation device, energy storage converters also have many problems during use, such as unstable voltage and unstable output current. In order to solve these problems, it is necessary to use a crystal oscillator for adjustment.

In the energy storage converter, the active crystal oscillator mainly plays three roles: first, as a signal generator, used to generate the required frequency signal; second, as a signal for the controller and motor operation, in different situations Use signals of different frequencies; third, as a temperature sensor, used to detect the ambient temperature of the power supply. Therefore, when using a quartz crystal oscillator, adjustments must be made according to the actual situation.

The OT2JI-111-25M material in the YSO110TR series of active crystal oscillators launched by YXC. The following are the application characteristics of OT2JI-111-25M’s typical parameters in PCS energy storage converters:

1. Quartz active crystal oscillator, 25MHZ conventional frequency, leading domestic technology, provides an accurate reference clock for the system;
2. The working voltage is 1.8~3.3V, which can flexibly meet the needs of circuit design;
3. Widely used in industrial equipment such as energy storage power supplies and converters;

YXC crystal oscillator YSO110TR series, frequency is 25MHz, total frequency difference ±20PPM, the following is the YSO110TR series specifications.

Fig.1

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