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Lab 1 - Panels
Page Contents
Understanding the Panel
Figure 6 shows the primary Dashboards panel of the laboratory. This panel enables the user to manipulate the entire circuit, retrieve desired values, and observe plotted signals. Initially, all switches are turned off.
Figure 6: Main Dashboards panel of the laboratory.
The panel is to be operated as follows.
At the top, there are control parameters and switches for the simulated circuit. The user can modify circuit parameter values and change switch statuses according to the laboratory task. These parameters and switches are summarized in Table 2.
Parameters/Switches | Initial value/Status |
---|---|
Transformer Secondary Voltage (V) | 575 |
Transformer Resistance (p.u.) | 1e-7 |
Transformer Inductance (p.u.) | 0 |
Resistive Load (ohm) | 0.4 |
Inductive Load (H) | 0.1 |
Firing Angle (Deg) | 0 |
Open/Closed loop | Off |
Data Acquisition | Off |
Table 2: Circuit parameters and switches.
The simulation results are shown under two tabs named as “Steady-State” and “Transient”, as shown in Figures 7 and 8. The content of scopes of the aforementioned tabs are summarized in Tables 3 to 6.
Figure 7: Scopes for steady-state analysis.
Figure 8: Scopes and controls for transient analysis.
Scope Label | Displayed Waveforms |
---|---|
DC voltage & mean of the DC voltage | DC field voltage and its average value |
Three phase voltage: Vabc | Voltages of the secondary windings of the transformer |
DC current | DC field current |
Phase A current & mean of the current | Phase A AC current at the secondary windings of the transformer and its rms |
Table 3: Contents of Scope 1-Q1.
Scope Label | Displayed Waveforms |
---|---|
Active Power (W) | Active power |
Apparent Power (VA) | Apparent power |
Reactive power (Var) | Reactive power |
Power Factor | Power factor |
Table 4: Contents of Scope 2-Q1.
Scope Label | Displayed Waveforms |
---|---|
Thyristor Voltage (V) | Thyristor (Th1) voltage |
Thyristor Current (A) | Thyristor (Th1) current |
Table 5: Contents of Thyristor-Q1.
Scope Label | Displayed Waveforms |
---|---|
DC voltage & mean of the DC voltage | DC field voltage and its average value |
Reference current and DC Current | Reference current and measured DC field current |
Firing angle (deg) | Firing (delay) angle α |
Table 6: Contents of scopes under Transient tab.
Under the Transient tab, one can also see two switches “Trigger” and “Scenario 1 - Scenario 2”. Their descriptions are presented in Table 7.
Switch | Description |
---|---|
Trigger | The trigger allows to trig and display the waveforms of triggered scopes for transient operation. |
Scenario 1 - Scenario 2 | Help to select scenarios for transient stability studies. When on Scenario 1, the reference current is a step current going from 0 A to 694 A after 0.1 s. While when on Scenario 2, the reference current is a step current going from 694 A to 0 A after 0.5 s. |
Table 7: Switches under Transient tab.
Help Tab
In Figure 9, the Help tab of the laboratory is shown. In the help, a summary of the circuit parameters and the circuit configuration are presented.
Harmonic Analysis Using ScopeView
The steps to follow in order to perform harmonic spectrum analysis using this laboratory are presented in Figures 10 to 13. These steps are based on the assumption that the HYPERSIM laboratory model is already open and running.
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