KSD211B101 3BHE022455R1101 ABB Input coupling unit KS D211 B101 modular

Description

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Energy demand and availability are intertwined
with a nation’s economic growth and welfare.
This symbiosis is reflected in many countries by
the relentless escalation in energy requirements
driven by thriving economic activity and increasing
population. At present, electric power satisfies a
large proportion of this demand and new factors,
such as electric vehicles and renewable energy
sources, are expected to increase this share.
In this context, electrical equipment efficiency plays
a vital role, especially in transformers, where losses
account for some 5 percent of global consumption –
more than the electricity demand of the continent
of Africa.
ABB is at the forefront of the energy efficiency
revolution and provides technologies right along
the electrical energy value chain that typically pay
for themselves within a few years through lower
energy costs. Transformers are key links in this
energy value chain.
In fact, energy efficiency has become one of the
main drivers of transformer technology evolution
and regulation. For example, a major initiative
being implemented by major economies in support
of a more efficient use of energy is the so-called
minimum energy performance standard (MEPS) for
transformers →2-3. Transformer MEPSs differ by
country and region and have to be normalized to
provide a comparison →3. In 2017, The first global
reference document for transformer efficiency and
related metrics was published (IEC 60076-20 TS).
Advantages of energy-efficient transformers
Efficiency improvements in transformers can lead
to significant energy and emissions savings, while
bringing net economic benefits because the marginal
cost is spread over the lifetime of the equipment.
Energy-efficient transformers also provide extra
capacity, potentially lower electricity bills, reduce peak
loading and related pollution at power plants, and
enhance energy security and reliability.
ABB pursues many technical solutions for enhancing
transformer energy efficiency. These range from
better core construction techniques to lower-loss
core and conductor materials. Winding design and
utilization of magnetic shields and other solutions
to decrease load losses can also have a considerable
impact. Efficiency also comes from how the system
is configured and how products, technology and
knowledge can be combined to deliver a stronger
and smarter grid – for example, by transmitting
energy more efficiently by using higher voltages,
both AC and DC, or by using products that make
more efficient use of the network, such as:
• Better interconnections.
• FACTS (Flexible Alternating Current
Transmission Systems).
• Reactors or phase-shifting transformers.
• Transformers specifically designed to simplify
renewable energy generation and integration:
solar and wind transformers; collector
transformers, and AC and HVDC units for local
connection to the grid.
New transformer technology and materials, and
physical modeling and simulations can also deliver
designs that lower losses or give the same losses
but with less material or improved transportability.