Solar PV Inverter Reverse Development

What is Solar PV Inverter?

A solar PV inverter is an electrical device that converts the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity that is suitable for use in the home or business. It is an essential part of a solar power system and helps to maximize the efficiency of the system by regulating the flow of power from the solar array to the electrical grid.

Solar PV Inverter Reverse Engineering

Solar PV Inverters are responsible for a variety of tasks, such as low-loss conversion, power optimization, maximum power point tracking, panel level optimization, reliability, service, and warranty, and efficiency. The inverter is also responsible for monitoring the power output of the system, interfacing with the grid, and ensuring safe system operation.

Solar PV Inverter System
Solar PV Inverter System

Features

  • Multi-functional;
  • Easy to use;
  • high efficiency;
  • Low cost.

Specifications

  • Size: 270W*433H*105D (mm)
  • Weight: 5.2kg
  • Topology Transformerless
  • Self-consumption: <1W (at night)
  • Working environment temperature: -25°C~60°C
  • Protection class: IP65
  • Noise: <30dBA
  • Maximum efficiency: 96.7%
  • European Efficiency: 96.2%
  • MPPT efficiency: >99%
  • DC port: original MC4 supporting terminal
  • AC port: IP67 protection grade connector
  • Display: LCD2×20Z
  • Communication interface: RS485WiFi /GPRS (optional)
  • EMC standard: EN61000-6-1:2007; EN61000-6-3:2007 IEC62109-1/-2;AS3100
  • Grid-connected standard: EN50438, G83/2, AS4777,
    VDE0126-1-1, IEC61727, NB/T32004

parameters

Input

  • Maximum input power: 0.9kW
  • Maximum input voltage: 450V
  • Starting voltage: 60V
  • MPPT voltage range: 50-400V
  • Maximum input current: 10A
  • Number of MPPTs: 1

Output

  • Rated output power: 0.7kW
  • Maximum apparent power: 0.8kvA
  • Maximum output power: 0.8kW
  • Rated grid voltage: 220/230V
  • Grid voltage range: 180~270V (adjustable)
  • Rated grid frequency: 50HZ
  • Grid phase: single phase
  • Maximum output current: 4.4A
  • Output power factor: >0.99
  • Maximum current measurement harmonics: Total THD<3%
  • Grid DC component value: <20mA
  • Working frequency range: 47-52HZ or 57-62HZ (adjustable)

Protection

  • DC reverse polarity protection: Yes
  • AC Short Circuit Protection: Yes
  • AC output overcurrent protection: yes
  • Output overvoltage protection: yes
  • Insulation Resistance Protection: Yes
  • Residual Current Detection (RCD): Yes
  • Surge Protection: Yes
  • Grid-connected monitoring: yes
  • Island Protection: Yes
  • Temperature Protection: Yes
  • Integrated DC switch: optional

About Well Done

Well Done Technology was established in 2008, focus on PCB reverse engineering, PCB assembly, PCB design and manufacturing. Our technical team of more than 20 people includes senior engineers with rich experience.

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