KRI I Gusti Ngurah Rai - Image: Jan de Vries - linkedin.com
15 DECEMBER 2017
Netherlands-based company Bakker Sliedrecht has provided
an electrical auxiliary propulsion system for the Indonesian Navy’s second and
final Perusak Kawal Rudal (PKR) guided missile frigate.
The vessel has been delivered to the navy by Dutch
shipyard Damen Schelde Naval Shipbuilding.
The frequency drives of the new auxiliary propulsion
system are directly connected to the power grid in line with current EMC regulations.
"Bakker Sliedrecht has equipped the
electrical auxiliary propulsion system with two electric propulsion motors from
Indar and two water-cooled, variable-frequency drives with active front
ends."
Bakker Sliedrecht has equipped the electrical auxiliary
propulsion system with two electric propulsion motors from Indar and two
water-cooled, variable-frequency drives with active front ends.
The two frequency drives are cooled by a single
water-cool unit in order to save weight, space and costs.
Bakker Sliedrecht assembled the electrical drive systems
in the company’s workshop as part of the arrangement.
The installations were then delivered to Damen Shipyards
after completion.
One of the segments of the second PKR was also
constructed at the shipyard.
Furthermore, Bakker Sliedrecht carried out an
installation check on the finished ship segment following Damen’s
installation of the electrical propulsion system on-board the vessel.
The segment of the vessel was subsequently transported to
Indonesia, where all ship segments were connected together.
Each frequency drive is connected to the ship’s power
grid in order without the use of a transformer in order to reduce both weight
and space.
Bakker Sliedrecht has also developed new smart filter
techniques to reduce the disturbance levels in order to comply with
International Electrotechnical Commission (IEC) and navy regulations.
In addition, the company has integrated a selective earth
fault detection system into the design.
The electrical auxiliary propulsion systems of both PKR
frigates were delivered to the Indonesian Navy within schedule.
Damen Schelde Naval Shipbuilding previosuly delivered the
first Sigma 10514 PKR frigate to the Indonesian Ministry of Defence in
February.
Original post: naval-technology,com
Related articles:
SIGMA 10514 PKR Frigate: Details
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