AEL-MGP Microgrid Power Systems

5.1.3.1.- POWER GENERATION
MICROGRID POWER SYSTEMS - AEL-MGP

INNOVATIVE SYSTEMS

The Microgrid Power System, "AEL-MGP", has been designed by EDIBON for the theoretical-practical training on microgrids power systems.

See general description

Expansions

ICAI

Interactive Computer Aided Instruction Software

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General Description

The Microgrid Power System, "AEL-MGP", has been designed for the theoretical-practical training on microgrid power systems. This system allows studying the architecture, management and the main control maneuvers carried out in a hybrid context based on renewable energies. This is power system which stands for the set of renewable resources (photovoltaic, wind and hydroelectric) integrated into an isolated grid for power production. Moreover, the design of this system has been done with actual scaled industrial elements with the aim of gaining the maximum experience with the management of a microgrid.

The "AEL-MGP" Microgrid Power System is constituted by a set of applications recommended to study the different scenarios that can occur in a micro grid. Due to the diversity of micro grids Edibon recommends a set of applications with the purpose of the user selecting those based on the situations he wants to study.The recommended applications are as follows:

  • PWP-CE. Conventional Energy Power Plant. This power plant is required to work with any other power plant offered in this catalog. Its purpose is, as in a real Micro Grid, to create the basis of the structure of the micro grid and determine the frequency and voltage parameters of the latter. The rest of the power plants will be synchronized to this thanks to the stability produced. In addition, this application acts as a base generation in the micro grid, providing constant power. As in real micro grids, this application represents diesel or gas power plants, normally used in islands or other systems based on micro grids. It is essential that this application is complemented with some of the renewable energy applications recommended in this catalog in order to create a complete micro grid.
  • PWP-HE. Hydroelectric Power Plants The purpose of this application is the study of hydroelectric power plants in the context of micro grids. Hydroelectric power plants have a great capacity to supply energy at certain times of maximum demand due to their rapid response.
  • PWP-WE. Wind Power Plants. The purpose of this application is the study of wind power plants in the context of micro grids. It consists of an induction turbinegenerator group whose purpose is to provide energy to the micro grid by making an intelligent energy distribution based on the decisions of the operator (user).
  • PWP-PE. Phototvoltaic Power Plants. The purpose of this application is the study of photovoltaic power plants in the context of micro grids. It consists of a three-phase inverter fed with a photovoltaic panel array simulator.
  • PWP-BE. Batteries Energy Storage Power Plant. The purpose of this application is to demonstrate the importance of energy storage in isolated environments. There are cases in which due to the absence of wind or photovoltaic energy we have no other option than to resort to the storage of chemical energy by means of batteries. This application consists of a bidirectional inverter whose purpose is to store energy in a battery, also included, and in moments when demand requires it to quickly supply said energy.
  • PWP-FE. Flywheel Storage Power Plant. The purpose of this application is to demonstrate the importance of energy storage in isolated environments. In this case, it is a sophisticated application in charge of storing kinetic energy through a flywheel.

In addition, it is also offered the possibility to acquire a kit for the study of faults in microgrids, consisting of an advanced protection relay with configurable numerical programming which allows showing the features of feeder protection relays, one power switch module as interrupting device and a fault injection module for the injection of single-phase, two-phase or three-phase, to earth, faults.

It is also recommended to acquire the control and data acquisition software, EMG-SCADA (Energy Manager and Data Acquisition Software), which stands for the operation and control center of a microgrid (MGCC, Microgrid Control Center). From this software, the user will be able to plan the wind, photovoltaic and hydroelectrical resources

Accessories

CONVENTIONAL ENERGY POWER PLANT - PWP-CE
  • PWP-CE
Available
5.2.- MICROGRIDS
PWP-CE
Conventional Energy Power Plant
This power plant is required to work with any other power plant offered in this catalog. Its purpose is, as in a real microgrid, to create the basis of the structure of the micro grid and determine the frequency and voltage parameters of the...
View Unit
HYDROELECTRIC ENERGY POWER PLANT - PWP-HE
  • PWP-HE
Available
5.2.- MICROGRIDS
PWP-HE
Hydroelectric Energy Power Plant
The purpose of this application is the study of hydroelectric power plants in the context of micro grids. Hydroelectric power plants have a great capacity to supply energy at certain times of maximum demand due to their rapid response. Therefore,...
View Unit
WIND ENERGY POWER PLANT - PWP-WE
  • PWP-WE
Available
5.2.- MICROGRIDS
PWP-WE
Wind Energy Power Plant
The purpose of this application is the study of wind power plants in the context of microgrids. It consists of an induction turbine-generator group whose purpose is to provide energy to the micro grid by making an intelligent energy distribution...
View Unit
PHOTOVOLTAIC ENERGY POWER PLANT - PWP-PE
  • PWP-PE
Available
5.2.- MICROGRIDS
PWP-PE
Photovoltaic Energy Power Plant
The purpose of this application is the study of photovoltaic power plants in the context of microgrids. It consists of a three-phase inverter fed with a photovoltaic panel array simulator. The user will be able to set the generation parameters and...
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BATTERY ENERGY STORAGE POWER PLANT - PWP-BE
  • PWP-BE
Available
5.2.- MICROGRIDS
PWP-BE
Battery Energy Storage Power Plant
The purpose of this application is to demonstrate the importance of energy storage in isolated environments. There are cases in which due to the absence of wind or photovoltaic energy we have no other option than to resort to the storage of...
View Unit
FLYWHEEL ENERGY STORAGE POWER PLANT - PWP-FE
  • PWP-FE
Available
5.2.- MICROGRIDS
PWP-FE
Flywheel Energy Storage Power Plant
The purpose of this application is to demonstrate the importance of energy storage in isolated environments. In this case, it is a sophisticated application in charge of storing kinetic energy through a flywheel. It has a bidirectional inverter...
View Unit

Exercises and guided practices

MORE PRACTICAL EXERCISES TO BE DONE WITH THE UNIT

Some practical exercises with the included base unit "PWP-CE":

  1. Basic concepts of isolated, stand-alone grids.
  2. Automatic control of voltage and frequency of the generator in a stand-alone grid.
  3. Study of energy requirements and energy generation in stand-alone grids.
  4. Smart Metering of the generated energy.
  5. Study of synchronous generator response to a change in the load.
  6. Synchronization operations with the synchronous generator and the grid.

Some practical exercises with the Wind Energy Power Plant, "PWP-WE":

  1. Automatic control of the turbine-generator group speed.
  2. Startup of the three-phase induction generator.
  3. Automatic synchronization of the three-phase induction generator with the grid.
  4. Monitoring the electrical parameters of the three-phase induction generator in synchronism with the grid.
  5. Adjustable automatic control of the active power delivered to the grid.
  6. Influence of speed variation on the active power and analysis of the feasible solutions to automate the power factor regulation.
  7. Compensation of the reactive power consumed by the three-phase induction generator by means of capacitor banks.

Some practical exercises with the Photovoltaic Energy Power Plant "PWP-PE":

  1. Installation of photovoltaic power plants.
  2. Grid-connection of photovoltaic plants.
  3. Setting the P-V curves for power generation.
  4. Monitoring the power injection into the grid.
  5. Maximum power point tracking (MPPT).
  6. Limiting the inverter power (derating).
  7. Determining the inverter efficiency.

Some practical exercises with Hydroelectric Energy Power Plant, "PWP-HE":

  1. Study of hydroelectric resources and power production with synchronous generators.
  2. Study of active power production from synchronous generator in synchronism with other generators.
  3. Determination of threshold power load for active power injection from the hydroelectric power plant.
  4. Real time active power control.
  5. Study of synchronous generator power factor regulation in hydroelectric power plants.

Some practical exercises with the Hydroelectric Pumping Kit 1, "HYDP-K1":

  1. Study of pumping power stations.
  2. Control of pumping power with the dynamic brake and energy consumption measurement.
  3. Study of energy balance between power production and power consumption.
  4. Demonstration the working principles of mechanism of pumping power stations.

Some practical exercises with the Battery Storage Energy Power Plant, "PWP-BE":

  1. Installation process of energy accumulation systems based on the combination of batteries with the charge controller invertir.
  2. Interaction among the photovoltaic system and the battery.
  3. Energy storage in the generation surplus scenario of the microgrid.
  4. Discharge of the battery in the lack of generation scenario of the microgrid.

Some practical exercises with the Flywheel Storage Energy Power Plant, "PWP-FE":

  1. Study of the different components of the flywheel energy storage system.
  2. Setting of the frequency regulator, acceleration curves of the induction motor and inertia disk.
  3. Measurement of power consumption during inertia disc loading.
  4. Setting of the energy regeneration module.
  5. Measurement of the energy regenerated by the inertia disk.
  6. Relationship between the electrical and mechanical parameters of the inertia disk.
  7. Calculation of the performance of the flywheel regeneration system.
  8. Display of the power consumption curves of the flywheel.
  9. Display of the energy regeneration curves injected into the grid.
  10. Feeder management protection relay setting.
  11. Study of different protection schemes in Micro Grids.
  12. Study of single-phase, two-phase, three-phase, to earth, with and without impedance faults in different points of the Micro grid.
  13. Study and configuration of over frequency protection events.
  14. Study and configuration of under frequency protection events.
  15. Study and configuration of over voltage protection events.
  16. Study and configuration of under voltage protection events.
  17. Study and configuration of over current protection events.
  18. Transient analysis of fault injection by means of the differential relay manufacturer’s software.

Some practical exercises with the Energy Manager and Data Acquisition Software, EMG-SCADA:

  1. Remote control of voltage and power set points of the synchronous generator in the microgrid.
  2. Real time measurement of the synchronous generator electrical parameters.
  3. Remote synchronization operation with synchronous generator and grid.
  4. Remote control maneuvers for the different sources of renewable generation.
  5. Customized configuration of the wind speed curves.
  6. Automatic simulation of the pre-configured wind speed curves for a wind turbine with three-phase induction generator.
  7. Visualization of the power curve for the pre-configured wind speed values.
  8. Customized configuration of the solar irradiation curves.
  9. Automatic simulation of the pre-configured irradiation solar curves for the photovoltaic power generation.
  10. Visualization of the power curve for the pre-configured solar irradiation values.
  11. Visualization of the power curve for the hydroelectric generation.
  12. Visualization of the remaining capacity of the hydroelectric resource as the generated power is progressively delivered.
  13. Analysis of the efficiency and stability provided to the microgrid by the storage system during the simulation of a demand profile.
  14. Visualization of the demand and total generation curves to analyze the management of the different renewable resources during the simulated scenarios.
  15. Real time monitoring of frequency, current and voltage values and waveforms.
  16. Real time monitoring of the active, reactive and apparent powers generated.
  17. Visualization of the phasor diagrams of the system electrical parameters.
  18. Real time monitoring of the obtained results.
  19. Data saving and storage.
  20. Comparison of the obtained results.

Several other exercises can be done and designed by the user.

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