Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Videos  >  GATE Notes & Videos for Electrical Engineering  >  Cold Reserve, Hot Reserve, Spinning Reserve & Firm Power

Cold Reserve, Hot Reserve, Spinning Reserve & Firm Power Video Lecture | GATE Notes & Videos for Electrical Engineering - Electrical Engineering (EE)

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FAQs on Cold Reserve, Hot Reserve, Spinning Reserve & Firm Power Video Lecture - GATE Notes & Videos for Electrical Engineering - Electrical Engineering (EE)

1. What is cold reserve and how does it contribute to power generation?
Ans. Cold reserve refers to power plants that are kept offline but can be quickly activated when there is an increase in electricity demand. These power plants provide backup capacity and contribute to power generation during peak load hours or emergencies.
2. What is the difference between hot reserve and spinning reserve?
Ans. Hot reserve refers to power plants that are kept online but not actively generating electricity. They can quickly start generating power when needed. On the other hand, spinning reserve refers to power plants that are actively generating electricity but are operating below their maximum capacity. They can quickly increase their output to meet sudden increases in electricity demand.
3. How does spinning reserve help in maintaining grid stability?
Ans. Spinning reserve plays a crucial role in maintaining grid stability by providing a quick response to sudden changes in electricity demand. When there is an unexpected increase in demand, spinning reserve power plants can quickly increase their output and supply the required electricity, ensuring a stable grid operation.
4. What is firm power and why is it important in power generation?
Ans. Firm power refers to the guaranteed capacity of a power plant or power generation source to provide a consistent and uninterrupted supply of electricity. It is important in power generation as it ensures reliability and stability in meeting the electricity demand. Power plants with firm power capabilities are essential for maintaining a steady supply of electricity to the grid.
5. How are reserve power sources dispatched during emergencies or peak load hours?
Ans. Reserve power sources, including cold reserve, hot reserve, spinning reserve, and firm power, are dispatched based on the electricity demand and grid operator's instructions. During emergencies or peak load hours, the grid operator monitors the demand and activates the necessary reserve power sources to ensure a stable electricity supply. The dispatch of reserve power sources is managed through a coordinated system that takes into account factors like reliability, availability, and cost efficiency.
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