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Protection of AC generators (D2402)
Duration
4 days
Who should attend?
Engineers and technicians
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What will I learn from this course?
- Analyze the potential disturbances and their consequences on the equipment
- Define the main protections and their settings
Topics
- Alternators operating
- Single-phased alternator
- Three-phased alternator: equivalent scheme, P =f (Q) diagram
- Characteristics of a generator group
- Operating of a group in parallel with a grid
- Operating of a group with a separate grid
- Estimation of short-cut currents
- Sub-transitory, transitory and synchronous speeds
- Reactance of the alternators
- Instrument transformers
- Defect analysis, definition of the protection and setting functions
- Engine operating
- Earth defect of the stator
- Overheating of the stator
- Overloading
- External short-cut
- Short-cut between live-wires of the stator
- Imbalance of the stator currents
- Loss of excitation
- Earth defect of the rotor
- Synchronism break
- Over-excitation
- Protection of the generators
- Protection of the power
- Alternator - transformer blocks
- Presentation of the protection relays
- Case study
- Definition of the main protection functions and settings from the sing e wired scheme of a generator group
Learning path
| Prerequisites |
Next step |
| D2102 |
D2402 |
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