NEP-1 Simulator For The Study Of Electrically Driven Ships Educational Equipment Electrical Training Panel
This simulator is proposed as a theoretical-practical introduction to two basic topics of modern marine propulsion: study of electric marine propulsion systems and study of ship dynamics. TECHNICAL CHARACTERISTICS: This simulator is a PC (not included)-aided vertical tabletop unit with a wide fore panel including silk-screen colour prints. These silk-screen prints include: cross section of a ship showing the layout of propulsion elements, single-wire circuit of electric installation, the available controls and a view of the hull with the corresponding displays and controls for the movement of the ship. The included software enables to display the parameters of the panel and the modifi cation of the set values. Power generation: • 4 diesel generating sets of 7200 kVA. Each set includes 3 LEDs: a LED indicates READY and the two other LEDs signal the overload of diesel and of the alternator; they are provided with the corresponding switch for simulating the parallel of the alternator with bars; • 2 displays indicate the parameters of alternators: Hz, V, A, kVA, kW; with 2 selectors: one for generators and the other for the parameters; • instrument for determining the consumed power versus the available power; it includes a bargraph, 4 LEDs and a digital indicator. Control of electrical consumptions: • Block of Services and Aircon: it includes 2 potentiometers of 0-100% to set the desired values of these loads and a digital indicator of the values of consumptions; • Block BOW THRUST CONTROL: control of the two bow motors for side moves; it includes a bidirectional potentiometer for the drive in both directions of movement; • Block PODS SPEED CONTROL: control of the propelllers of stern pods; step control of the speed in both rotation directions. Each POD can supply 50% or 100% of total rated power; this is the reason why 4 switches are included. Each POD is also provided with its own digital indicator; • Block PODS ANGLE CONTROL: control of the angle of the pods of stern propellers. Both pods turn in parallel (same angle). Indicators and blocks of ship movement: These indicators are shown in the silk-screen print of ship outline. • Indicator of towrope resistance: this is a red bargraph available at the bow of ship outline. It indicates the force opposing the movement of the hull; related with control DISPLACEMENT. • Blocks BOW THRUST 1 and BOW THRUST 2: two green bargraphs placed perpendicularly to the longitudinal axis of the hull. The control of these motors is available in block BOW THRUST CONTROL. • Block DISPLACEMENT: it includes a red bargraph and a potentiometer of 60-120%; it simulates the load of the ship (100% indicates the rated load) that defines the immersed part of the hull (called QUICKWORK). The Quickwork is the main component of towrope resistance. • Block NAVIGATION: digital indicator of ship speed in KNOTS and in DEGREES (angle of longitudinal axis with respect to NORTH). • Block HEADING: 20-LED digital indicator for the direction of movement of the ship. This is the graphical version of unit DEGREES of Block NAVIGATION. • Blocks POD 1 and POD 2: two green bargraphs available at stern; they indicate the power output by each propulsion POD. Each POD is provided with a LED for overloads. • Indicator of BACKWARD towrope resistance: red bargraph indicating the force opposing the movement of the hull; related with control DISPLACEMENT. Power supply: 230 Vca 50 Hz single-phase - 400 VA (Other voltage and frequency on demand) Dimensions: 800 x 600 mm (panel) 840 x 450 x 680 mm (framework) Weight: 35 kg Supply with THEORETICAL – EXPERIMENTAL HANDBOOK
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