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Successfully commissions

the first two VECO-Drives

range. Additionnally, the
team measured a power
transmission efficiency
of the complete speed
regulation system of approx.
97 percent. Furthermore,
lower than specified noise
emissions were attained.
“We have selected the
VECO-Drive from Voith
for the energy-saving
transformation project of our
water supply pump,” says
Cui Chengliang, Vice General
Manager at Guangzhou
China Resources Thermal
Power Co., Ltd. “The variable
speed drive system has
already been running stably
for more than two months,
and the energy-saving
Voith has successfully commissioned the first two effect is obvious.” After passing the relevant safety
VECO-Drives at a coal-fired power station in China. commissioning certifications of the customer and
Since February, the two systems have already been third-party organizations, the VECO-Drive proved
running reliably for over 6,000 hours, improving its reliability, already reaching the highest efficiency
not only the overall efficiency of the drive train but grades in early 2019.
also significantly decreasing noise emissions and
vibrations. This is another milestone for Voith in Most efficient variable speed drive
pushing ahead with the continuous electrification of The VECO-Drive is an electric superimposing gear,
its proven drive technologies, thus meeting the combining a mechanical planetary gear with fre-
growing demand for energy-efficient variable speed quency-controlled servo motors. Since only a small
drives in the power and oil & gas markets. The two part of the rated power is needed as superimpos-
VECO-Drives have passed all necessary tests of ing power, an overall component efficiency of more
Guangzhou China Resources Thermal Power Co., than 97 percent at peak is reached and installation
Ltd. and were put into operation in February 2020. space is minimized. This saves valuable energy
The units are part of the customer’s energy-saving and reduces daily operating expenses. Further, the
transformation project of the electric feed water service life of the main body of the equipment can
pump unit to replace the original speed control extend up to 30 years.
device. As of today, the two VECO-Drives have
provided a safe operation for more than 6,000 VECO-Drives successfully put into operation in
operating hours. Various monitoring indicators Guangzhou power station.
such as temperature, vibration and pressure
were measured and confirmed to be within a safe www.voith.com

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