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PULS Blog

How can the availability of a system be increased?

For plant operators, the primary goal is to ensure maximum availability of machines and systems. This requires a reliable power supply throughout the entire lifetime of the system. Therefore, it is important that the applied power supplies are reliable, safe and durable. Within a power supply system, however, the power supply unit is often just […]

Parallel connection and redundancy of power supplies – What is the difference?

You are in need of a higher total power for your system or machine, or want to ensure a reliable power supply? Common solutions include the parallel connection or establishing a redundant power supply system. In this blog post, you will learn more about the definition, the differences and the correct use of both system […]

What does daisy chaining mean for power supplies?

The colloquial term daisy chaining has established itself as a description for the direct connection of technical devices in series. In this blog article, you will learn what you should consider if you want to operate several power supplies in a daisy chain. Daisy chaining refers to a wiring scheme in which several devices, such […]

How to correctly measure the efficiency of a power supply!

Manufacturers’ data sheets often only give blanket information on efficiency and power losses of their power supplies at different mains voltages or loads. Therefore, it is advisable for users to measure the efficiency of a power supply themselves. In this blog article, you will learn what you should pay attention to. Multimeter, wattmeter or power […]

How do medical power supplies help protect patients and hospital staff?

In medical technology, the protection of patients and hospital staff has top priority. For this reason, medical power supplies are subject to strict requirements regarding safety, reliability and EMC. In this blog article you will find out how medical technology can benefit from the experience gained in machine building and system engineering. Power supplies have […]

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 […]

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 […]

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 […]

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 […]

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 […]