Give a brief notes on the following topics.
1. System load variation:
- a. System load characteristics
- b. load curves
- c. load duration curve
- d. load factor
- e. Diversity factor
2. Reserve requirements:
- a. Installed reserves
- b. spinning reserves
- c. cold reserves
- d. hot reserves
3. Overview of system operation:
- a. Load forecasting
- b. unit commitment
- c. load dispatching
4. Overview of system control:
- a. Governor Control
- b. LFC
- c. EDC
- d. AVR
- e. System voltage control security control.