Mornsun: Innovative Solution for Battery Control Units (BCU) in Energy Storage Systems

In recent years, we have been witnessing a growing adoption of a new energy paradigm based on the use of renewable sources to meet energy needs, with solar photovoltaic energy growing steadily.

This virtuous process, however, also raises several questions regarding the continuity, stability, and efficiency of electric current. Ensuring the reliability and safety of power supply represents a major challenge for the electrical grid.

One answer to this problem is provided by energy storage systems.

Energy storage systems offer a dual advantage:

• They ensure the stability and reliability of the solar photovoltaic system
• They offer an effective way to solve dynamic power quality issues by managing voltage spikes, voltage drops, and momentary power interruptions.

These energy storage systems use batteries, which are typically installed in a container following international standards and consist of various elements:

• Battery Control Units (BCU)
• HVAC - [acronym for Heating, Ventilation, and Air Conditioning]
• Fire protection system

MORNSUN provides several updated ac/dc power supply solutions for the energy storage sector that can be the ideal solution for your system.

Below is a diagram of the operation of the innovative BCU Power Solution and the requirements for the DC/DC and AC/DC solutions.

What are the power supply requirements for Battery Control Units (BCU) in energy storage systems?

Figure 1: Block diagram of the energy storage system

1. DC/DC solution requirements

• Extremely wide input voltage range of 500-1500 VDC depending on battery rack voltage
• High insulation voltage, reinforced insulation, and