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WorksheetsTest #1. Overview of microgrid concept
Total questions: 10
Worksheet time: 5mins
Microgrid is
A network that connects power plants, substations and transformers by means of transmission and distribution lines that carries electricity sometimes over hundreds of miles to local communities, homes, schools and offices.
A distribution system, containing distributed generators, storage devices, or controllable loads, and operating either connected to the main power network or islanded
A group of interconnected generators
A group of interconnected loads
The main segments of the Microgrid are
Phase A, Phase B, Phase C
Measurement, logic, control
Generation, Transmission & Consumption
Generation, Transmission, Distribution & Consumption
To ensure a reliable and economical operation, Microgrid have to include
own generating units (renewables, diesel, microturbine, fuel cell)
storage system (batteries, pumped-storage hydroelectricity, supercapacitors)
smart management system (to ensure the continuous balance between electricity generation and demand)
all of the above
Microgrids are classified based on
Operation, structure, types of source
Types of source, scenario and size
Operation, scenario and size
All of the above
The main types of sources in Microgrid are
only renewables
only diesel generators
renewables and diesel generators
renewables, diesel generators, microturbine, fuel cell
Which sentence is not correct
Microgrid can be considered as a small-scale version of the traditional utility grid
Microgrid can coordinate unique community energy needs with generation resources
Microgrid have to operate with utility grid
Microgrid enables ‘intelligent sharing’ of energy loads and resources
What is the need of energy management in microgrid?
To manage the renewable sources, storages and loads
To reduce the stress on grid during peak hours
To obtain energy balance in an islanded operation
All of the above
The economic option of microgrid operation objective involves
Minimization of total costs regardless of network impact/performance
Optimization of network operation (minimizing power losses, voltage variation and equipment loading)
Decreasing the emission levels
All of the above
The technical option of microgrid operation objective involves
Minimization of total costs regardless of network impact/performance
Optimization of network operation (minimizing power losses, voltage variation and equipment loading)
Decreasing the emission levels
All of the above
Which statement is not true?
Virtual power plant comparing with the microgrid can stretch over much wider geography
Virtual power plant comparing with the microgrid can grow or shrink depending upon real-time market conditions
Virtual power plant comparing with the microgrid can be created using software to control and optimize a network of generation and demand side storage
Virtual power plant comparing with the microgrid can disconnect from the larger grid to create a power island
