KUC711AE 3BHB004661R0001 ABB Complete service of excitation controller

Description

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Tools such as computational fluid dynamics
(CFD) modelling are used to calculate these
temperatures, for liquid-filled or air cooled (drytype) transformers, and thus allow the correct
specification of the cooling equipment.
Transportation industry case study:
Effilight® traction transformer
One case that exemplifies ABB efforts toward
energy efficiency in transformers is the Effilight®
traction transformer →5.
Over half the world’s trains are powered by ABB
traction transformers. Traditionally made of iron
and copper, traction transformers are among the
heavier components on a train. These transformers
use oil for insulation and cooling, as oil has excellent
electrical insulating properties and high reliability.
ABB’s Effilight traction transformer opens up new
opportunities in rail vehicle design by reducing
the weight of onboard components and ensuring
more energy-efficient rail networks, two of the rail
industry’s priority objective →6.
Based on an innovative approach to mechanical
integration, this major advancement of a proven
technology offers unprecedented energy-efficient and
lightweight transformers with a smart combination of
lower losses and less use of materials.
Effilight uses a unique and patented cell design
that reduces the quantity of oil needed by up to
70 percent, without compromising functionality.
The technology enables unprecedented weight
reduction (up to 20 percent) and energy savings
(up to 50 percent) for train manufacturers and
rail operators thanks to a unique approach that
keeps the oil exactly where it is needed around
the windings.
The benefits for the user are related to:
• Reliability and proven lifetime
• Optimization of weight, losses and energy
consumption (energy costs represent around 10
percent of all rail operator expenses)
• Design flexibility (the possibility to have the
same part for different mounting positions)
• Life cycle cost reduction, in terms of investment
and maintenance.
The first commercial order for Effilight is for 42
units on 21 trains, the initial step of a long-term
relationship intended to deliver and install up to
600 traction units for 300 trains by the end of 2024.
United for efficiency
In 2016, in line with its commitment to support
transformer energy efficiency, ABB became
a founding partner of the so-called United
for Efficiency (U4E) group. U4E is a publicprivate partnership led by the United Nations
Environment Program (UN Environment) and other
major agencies, including the United Nations
Development Program (UNDP). The program