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PULS Blog

Power Supply
Basics

DIN rail power supply units: How the service lifetime is determined by the temperature

Higher efficiency means less heat An essential factor for low heat generation in the power supply is, a high efficiency of the unit. The efficiency value describes the ratio of output power to input power of a power supply. The difference is converted into heat as loss. The advantage of high efficiency is obvious on […]

Power Supply
Application
Basics

What does derating mean for power supplies? And when is it necessary?

Derating is a protective measure which allows the use of power supplies at high temperatures, at high altitudes or in alternative mounting orientations. In this blog article you will learn what you should consider when it comes to derating. Most power supply manufacturers specify ratings for lifetime, output current, and reliability (e.g. MTBF) for their […]

Power Supply
Basics

What is AC Inrush Current? How can it be limited?

A high inrush current is problematic for an efficient and simplified system design. Therefore power supply manufacturers try to keep AC inrush as low as possible. In this blog article you will learn why inrush current occurs in power supplies and which methods manufacturers apply to minimize it. Probably most of us already have noticed […]

Power Supply
Application

DC-UPS modules – with battery or capacitor?

An uninterruptible power supply is essential in certain industries: If manufacturing processes are disrupted due to power interruptions, high costs can be incurred. There is also a risk of data loss and damaged systems. DC-UPS modules reduce this risk by bridging power outages or load fluctuations with the help of batteries or electrochemical double layer […]

Sustainability

How do efficient power supplies contribute to CO2 reduction?

Increasing energy efficiency is a crucial factor in the fight against climate crisis. In this BLOG article you will learn how efficient power supplies can help to reduce CO2 emissions and why this also leads to financial advantages for companies. Can a power supply contribute to environmental protection? Successful protection of our environment starts small. In […]