Power System Blackouts, Restoration and Troubleshooting
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Power System Blackouts, Restoration and Troubleshooting Course
Introduction:
Significant power outages are often the result of inadequate long-term planning studies conducted on the electrical system and a failure to assess multiple contingencies or extreme conditions appropriately. Additionally, the absence of thorough voltage analysis and the use of operational voltage criteria that do not accurately reflect actual voltage stability conditions can lead to catastrophic blackouts.
To prevent such incidents, it is crucial to adhere to reliability requirements and standards during system operation. Ensuring the security of the transmission system under all circumstances is imperative. Major blackouts typically result in substantial revenue losses, business interruptions, communication disruptions, compromised security, and poor supply quality.
Course Objectives:
- To provide electric system planners, designers and operators with concepts, tools and methodologies essential to address modern-day issues of competition, open access, wheeling and new technology in system planning
- How to improve the quality of supply in A.C power system
- Necessary steps to prevent cascading blackouts
Who Should Attend?
This course is intended for junior & senior electrical engineers working in operation, planning maintenance, protection, control, and analysis of utilities & industrial electrical networks.
Course Outlines:
Blackout Causes Overview
- Voltage instability initiating blackouts
- Induction motors role in triggering a blackout
- Cold rush current effects on blackout
- Blackout prevention by general & network voltage control
- Blackout prevention by loads voltage stabilization
- Example
Blackout Preventive Measures
- How and why the blackout begins
- Causes of the blackout and violations of standards.
- Under-frequency and under-voltage load shedding
- Example
Planning Criteria and Reliable Operation of Power Grid
- Reliability organizations
- Key parties in the pre-cascade phase
- Review of international practice
- Representing reliability measures and customer costs
- Application examples (U.S and Jordan Blackout)
- Contingency analysis
- Ranking and screening methods
- Defining a study area
- Handling divergence, islanding, relying on events
- Measuring customer impact
Transfer Limit Analysis
- Thermal and voltage limits
- Defining transfer conditions
- PV curses for normal and contingency condition
- Transient stability
- Example