Product Introduce
The main function of photovoltaic inverter PCS is to convert the direct current (DC) generated by solar panels into alternating current (AC) to meet the needs of the power grid or load. According to different connection methods, it can be divided into centralized, string and micro inverters.
The main functions of photovoltaic inverter PCS PCBA
Various sensors are integrated on the PCBA to collect information such as voltage, current, temperature of the solar panel, as well as parameters such as grid voltage and frequency. Through A/D conversion, the analog signal is converted into a digital signal for subsequent processing.
Various control algorithms are stored inside the PCBA, such as the maximum power point tracking (MPPT) algorithm, the grid-connected control algorithm, and the protection algorithm. These algorithms generate corresponding control signals by analyzing and calculating the collected data.
Based on the calculation results of the algorithm, the PCBA generates a control signal to drive the power switching device (such as IGBT) to control the photovoltaic inverter.
The PCBA of the photovoltaic inverter communicates with other devices (such as monitoring systems and host computers) through various communication interfaces (such as RS485, CAN, Ethernet, etc.) to realize data transmission and remote control. In addition, it is also responsible for monitoring the operating status of the inverter. When overcurrent, overvoltage, overtemperature and other faults occur, a control signal is issued in time to cut off the fault circuit to protect the safety of equipment and personnel.
Importance of PCBA in PV Inverter
The chips, algorithms, hardware designs, etc. used on PCBA directly affect the efficiency, reliability, stability and other performance indicators of the inverter. By continuously optimizing the algorithm and adding new functions, PCBA can realize intelligent control of the inverter, improve power generation efficiency and reduce maintenance costs.
Adapt to complex working environment - PCBA can be flexibly configured and adjusted according to different working environments and requirements to adapt to various complex working conditions.
BQC's advantages in the photovoltaic inverter component procurement supply chain
BQC has established long-term and stable cooperative relationships with many well-known electronic component manufacturers around the world, and can provide customers with original and quality-guaranteed products.
For some special specifications or customized components, BQC can provide customized procurement and supply services according to customer needs.
BQC's powerful cost reduction capabilities: How to achieve 30%-50% cost reduction?
BQC has established an extensive supplier network around the world, and is able to purchase the most cost-effective components from around the world, thereby reducing procurement costs. BQC has extensive experience in component selection and is able to provide customers with alternative solutions with equivalent performance and lower costs. The technical team can provide customers with professional technical support and assist customers in the design and verification of component alternative solutions. When providing alternative solutions, we will fully consider factors such as product reliability and stability and conduct a comprehensive risk assessment.
Common core components selection display
Take Energy Storage BMS as an example:
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