UTPSP55MY

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UTPSP55MY is a monophasic, fully-controlled, non-regenerative type of power electronic device used for frequency-domain power conversion. Specifically, it is used to convert power from a utility-grade AC voltage (from 600V up to 690V) to a lower DC voltage with a precisely calibrated output current.

UTPSP55MY was developed primarily for renewable energy sources, specifically ones with a production profile that can vary with changes in solar and wind conditions. By improving the power quality delivered to the power grid and providing the capability to control the rate and amount of power delivered, the UTPSP55MY helps ensure that renewable energy sources will remain reliable, stable, and economical.

The core components of UTPSP55MY are two voltage sensors (1V and 10V) and two current sensors (±2A, ±5A). The voltage sensors measure the phase and magnitude of the voltage, and the current sensors measure the current loading. To achieve high frequency response, a high performance pulse-width modulation (PWM) algorithm based on digital signal processor (DSP) is implemented in the control system. UTPSP55MY also features over-voltage and over-current protection to ensure the system is reliable and safe.

The UTPSP55MY control module consists of two independent parts: the energy harvesting module and the power control module. The energy harvesting module includes the power source input, AC/DC rectifier, andBoost. On the power control side, High frequency switching and inverter control function to ensure the PV power is converted into DC withcontrolled voltage and current. Furthermore, the Pulse-width modulation (PWM) strategy determines the optimal switching frequency and duty-cycle for the converter. Remote monitoring and parameter adjustment can be made through the communication ports such as Modbus, Profibus, and Ethernet.

To ensure the safety of the system, shutdown protection and two way testings are employed. Shutdown protection will be triggered if the output current or voltage measurement exceeds its set limit, which protects the system from over current or voltage in the conversion process. Furthermore, the two-way testing facilitates the monitoring of the system, and allows for detecting any inconsistency or malfunction.

In conclusion, UTPSP55MY is an effective and reliable power electronics device used to convert utility AC voltage to precisely calibrated DC voltage. The complete system includes both energy harvesting and power control modules, and it is equipped with over-voltage and over-current protection, shutdown protection, and two way-testing. The system is optimized for use in renewable energy sources, such as solar and wind, and it helps ensure that these sources remain reliable and economical.

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