ABB RLM01 3BDZ000398R1 MG PROFIBUS redundant link module

Description

RLM01 In the distributed configuration method, different converters can
Place in the most suitable place for ship operation or design
For £ 4. In the electrical cabinet of RLM01 alternator
To install integral or separate rectifiers. adopt
This adjustment and novel protection mode make it necessary to
The number of components installed in the main distribution room is greatly reduced
Less. As a result, ship designers are designing
The power system can play more freely
Space to enhance the functionality and value of ships.
Protection and security
Since it is unnecessary to install the main AC distribution in the new design
Boards, AC circuit breakers and protective relays, therefore
The new protection theory must meet the requirements of
Classification society regulations for equipment protection. By combining
Use fuses, disconnectors and turnoff power devices
The shipborne DC power grid shall be correctly protected.
Since all generating components have controllable power
Switch device, compared with matched protection relay
The fault current can be accelerated by
Ground cut off.

In case of serious failure of the module, the fuse has
The existing low-voltage inverter has the same effect and can be used for
Fusing through comprehensive use
Devices, disconnectors and
Turn off the power device, which can
For shipborne DC power grid
Properly protect.
2 AC-DC conversion of general electric propulsion system
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Distribution board 690 V
(60Hz) AC
AC concept of isolated island network 1 kV DC concept of isolated island network
32 ABB review 2|12
The main distribution board also reduces the proportion of electrical equipment
The space used is £ 7. RLM01 This is to place the ship system department
Pieces create more space and provide more flexibility
Sex. In addition, after installing the system, solar energy
Supplementary DC energy such as plate, fuel cell or cell
The source is more easily integrated into the ship’s DC power system
In the system, more fuel saving space is brought.
Scope of weight reduction of installed electrical equipment and
The reduction of occupied space depends on different ship types
Type and purpose. Platform Supply Vessel (PSV)
As an example, it uses the sub
Compared with traditional communication systems,
The weight of electrical system components decreased from 115 t to 86 t,
25% reduction.
Dynamic positioning ship
Anchor handling vessels and other offshore support vessels are eliminated due to
The dynamic characteristics of power consumption become the application of shipborne DC
Excellent platform for grid systems £ 8. New concepts
Helps solve the problem of long-term dynamic positioning (DP) operation
The fuel efficiency problem has always been faced. dynamic
Positioning ships usually need to run several diesel engines in parallel
Generator for backup. This means that connecting
The load phase of diesel engine during most operation time
For lower, the fuel efficiency is significantly lower than 85% to
Efficiency at 90% load.
Dynamic positioning refers to the thruster (thrust device or main
To maintain propulsion or both) at a specific geographic location
Save fuel and space
Although the DC grid concept is still fully adopted
Verified alternator and motor, RLM01, but due to
The system is no longer locked to a specific frequency (usually
60 Hz), thus creating a void that improves efficiency
Yes, even if there is still 60 Hz power supply in use
So. Highly independent control of each electric equipment
System brings new freedom and opens up countless reductions
The way of fuel consumption.
stay

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