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:
- Interactive experiment setups
- Measured values and diagrams can be stored in the experiment instructions per drag and drop
- The SCADA Viewer can be started directly from the experiment instructions
- Includes questions with feedback and evaluation logic for progress monitoring
- Documents can be printed out for hardcopy of experiment instructions including solutions
- Labsoft browser, course software and SCADA Viewer
Training contents:
Studies of three-phase lines
- Voltage increases on open-circuit lines
- Voltage drop as a function of line length
- Voltage drop as a function of cos phi
- Capacitive and inductive power losses on a line as a function of V and I
- Phase shift on a line
Parallel and series connection of transmission lines
- Distribution of power and current among parallel-connected lines of equal length
- Distribution of power and current among parallel-connected lines of unequal length
- Distribution of power and current among series-connected lines of equal length
- Distribution of power and current among series-connected lines of unequal length
- Load distribution, power flow
- Voltage distribution
- Quantitative and qualitative evaluations of operational relationships
Study of lines with earth-fault compensation
- Earth fault on a line with an isolated star point
- Response to earth faults
- Earth-fault compensation
Studies on power transmission systems with synchronous generators
- Power and current distribution in a line network fed by a generator
- Parallel operation of a generator and line via the network
- Control of active power feed
- 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