DLP-MT51(nº1) Introduction to DC installation on boats
The student will get a general introduction to DC installation on a boat by going through electric drawings and pictures of the equipments fitted aboard a small ship
The student will be presented animations and questions in order to arouse his attention on the subject
Touch on the blocks to make them bigger
Read those features a DC installations has to fulfill
DC INSTALLATION ON A BOAT – MAIN FEATURES
Devices storing energy to make the first start from “black out” condition
Devices storing energy to power emergency equipment in distress condition
Redundancy of some of the essential services normally powered by AC
Feeding those services normally working on DC like idling condition light
Electronic devices stable power source
It is not only to be able to describe all the components fitted on a boat. The beginner must learn the main concept which is:
Meke the ship operative and safe. No way of achieving this without DC power.
With this spirit the student should take the principal activity of the Learning Path which is the number 2.2. There, the student will have a detailed description and together with the spririt now proposed will get a clear overall view of the DC installation
By touching a block on the diagram a detailed explanation will be got
The student must read a list of the shown equipment in part 2.2. This will help him/her get introduced to DC aboard.
LIST OF BLOCKS AND A SHORT DESRIPTION
V1 Alternating Current block
When possible the DC storing devices are fed by the AC grid
V2 Emergency Battery Charger
Device able to restore the battery energy slowly
V3 Emergency Battery Set
Battery dedicated only to keep on service the emergency equipment on distress situation
V6 Auxiliary Battery Charger
Device able to restore the battery energy slowly
V7 Auxiliary Battery Set
Battery dedicated as a power source of DC devices on ordinary situation
V8 RectifierSupply
Redundacy way of powering DC devices on ordinary situation
V9 Auxiliary services
DC circuit powering ordinary DC equipment
V10 Auxiliary services
Lights or electronic devices working on DC
V4 DC Emergency Supply
DC circuit powering emergency DC equipment
V5 GMDSS
Emergency communication equipment
V11 Isolation Parallel
Switching panel for distributing DC power surces
V12 DG Circuit
DC circuit and devices necessary to start a Diesel Generator
Repeat steps 2.2 and 2.3 before taking 3.2 test
The students will give 10 cright consecutive answers or start again
Resource information