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Article Date: 6th February 2017

Danfoss - Hybridization – The Science of Perfectly Balancing Power Supply & Demand

Power Supply - Energy Storage - Hybrid Cars - Hybrid System

Danfoss - Energy Storage

Improving performance by making better use of energy and having access to power exactly when you need it is possible using hybrid solutions that incorporate energy storage. The concept of hybridization is very quickly gathering pace in all spheres of industry. It is an integral part of the energy conservation discussion and a core focus of Danfoss Drives.

Hybrid cars are all the rage these days. But you might be surprised to learn that hybrid vehicles have actually been around for as long as gasoline-powered cars. In fact, the Lohner-Porsche – reported to be the world’s first hybrid car – was headline news at the 1900 Paris Auto Show.

The concept of hybridization is very quickly gathering pace in all spheres of industry. It is an integral part of the energy conservation discussion, and a core focus of Danfoss Drives.

What is hybridization?

A simple and broad definition of a hybrid system is any system with two or more sources of energy acting together to accomplish a common task. These systems always require smarter control and, quite often, utilize a means of energy storage.

Why do we need hybrid systems?

The world is currently diversifying its primary sources of energy – away from fossil fuels, natural gasses and nuclear and on towards solar, wind, hydro and other renewable sources. However, due to external factors such as the weather and industrial customers with varying peak demands, these new energy sources are often unpredictable and optimizing supply can be a challenge in the energy sector. Hybridization helps bridge the gaps produced when the scales of energy supply and demand are tipped to one side or the other.

Hybridization is really starting to flourish in marine applications to improve efficiency, offset fuel costs and reduce emissions, as well as in energy generation applications, such as microgrids, to increase stability.

Currently, three technologies are primarily being applied for different uses within these applications today - batteries, supercapacitors and flywheels. These three storage mediums are the most common, but other techniques have been applied all over the world. These include solar-concentrator/solar thermal systems, pumped storage using masses of water at high altitudes, and systems based on compressed air.

Regardless of the energy-storage medium selected to best serve your application, adding storage to your system requires, at a minimum, energy-management systems and power-conversion components. Since the world doesn’t operate with the same voltage, current or frequency, power-conversion components, such as inverters and converters, are used to ensure that the supplied energy is always delivered in the right way at the right time.

Whether adding energy storage to a common AC bus or a common DC bus system, Danfoss Drives has the power components that best serve your needs.

Keep following our blog – over the next few months, we’ll be taking a closer look at the topic of hybridization and our solutions.

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