Interactive Lab Assistant: High-voltage transmission lines
The experiment instructions come in the form of an Interactive Lab Assistant course. This multimedia course is a step-by-step guide through the topic of modern energy systems. The fundamentals are conveyed using easy to understand animations. The Interactive Lab Assistant in conjunction with the SCADA Viewer constitutes a comfortable experimenting environment.
Special features:
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Interactive experiment setups
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Measured values and diagrams can be stored in the experiment instructions per drag and drop
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The SCADA Viewer can be started directly from the experiment instructions
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Includes questions with feedback and evaluation logic for progress monitoring
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Documents can be printed out for hardcopy of experiment instructions including solutions
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Labsoft browser, course software and SCADA Viewer
Training contents:
Studies of three-phase lines
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Voltage increases on open-circuit lines
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Voltage drop as a function of line length
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Voltage drop as a function of cos phi
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Capacitive and inductive power losses on a line as a function of V and I
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Phase shift on a line
Parallel and series connection of transmission lines
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Distribution of power and current among parallel-connected lines of equal length
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Distribution of power and current among parallel-connected lines of unequal length
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Distribution of power and current among series-connected lines of equal length
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Distribution of power and current among series-connected lines of unequal length
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Load distribution, power flow
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Voltage distribution
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Quantitative and qualitative evaluations of operational relationships
Study of lines with earth-fault compensation
Studies on power transmission systems with synchronous generators
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Power and current distribution in a line network fed by a generator
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Parallel operation of a generator and line via the network
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Control of active power feed
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Control of reactive power feed
Investigations on three phase cables
- Ferranti effect, charging capacity, critical length
- Resistive, inductive and resistive-inductive mixed loads
- Compensation for a resistive-inductive load
- Determining zero impedance
- Symmetric and asymmetric shorts
- Dealing with star points and shorts to earth
Combined networks of cables and lines
- Differences between cables and transmission lines
- Investigation of connections:
- Transmission lines, transformers and cables
- Cables, transformers and transmission lines
- Losses from individual components
- Parameters for sub-stations
Controlling flow of power in meshed networks
- Variable transformers
- Transformer with in-phase regulation (in-phase booster)
- Transformer with regulation in quadrature (quadrature booster)
- Phase-angle-regulating transformer (phase-shifting transformer)
- Affect flow of power via two identical conductors parallel to one another