This skill-building course aims at empowering the participants to:
• Understand the influence of power fault clearing and current/voltage stability
• Analyse the various components of alternating current and understand their influence on power quality
• Use reliability indices developed and calculated by themselves
• Evaluate the effects of voltage fluctuations and their effect on electrical devices
• Understand terms used to describe power quality and reliability
• Interpret and understand different power quality incidents
• Use different harmonics mitigation methods
• Understand criteria for harmonic mitigation and filtering
Course Content:
Transient Voltage Excursions
• Voltage sags
• Voltage abnormalities and mitigation methods
• Loads imbalance
• Voltage symmetry
• Voltage flicker
• Motor starting
• Capacitor switching
• Ferro resonance
• Lightning grounding
• Lightning shielding
Quality Overview
• Voltage disturbance
• Frequency disturbance
• Power factor improvement
• Power factor compensation
• Voltage distortion
• Power quality evaluation
• Limitations of power systems parameters
• Electrical Power factor
Power Quality Issues
• A look into power quality
• Power quality determination
• Drawing ITI curve
• Power disruptions causes
• Causes of Voltage sags
• Reliable power quality
Power System Reliability
• UPS (Uninterrupted Power Supply) types
• Power system automation
• Power system redundancy
• Power interruptions
• Equipment failure
• Power system reliability
Effects of fault clearing
• Fault clearing
• Fuse-blowing philosophy
• Fuse saving techniques
• Reclosing
• Interpreting reliability indicators
• IEEE reliability indices
Power Harmonics
• Harmonics Mitigation Techniques
• Harmonic analysis and control
• Power system tolerance to harmonics
• Impacts of harmonics on power network and devices
• Harmonic filters
• Harmonic relation with distortions
• Linear versus nonlinear loads
• K-factor transformers
• AC power and power factor
Steady-state voltage, Insulation, and Arresters
• Insulation systems
• Arresters selection
• Effects of steady-state current and voltage on normal load system operation
• Basic impulse level
• Insulation testing
• Load changers and voltage regulators
Grounding systems and surge protection
• Lightning
• Surge arrestors
• Impedance earthed
• Surge definition and causes
• Bonding grounding systems
• Mitigation surges
• Solidly earthed
• Resistance earthed
• Transient overvoltage
• Power system grounding techniques
• Mitigation of surges
• Bonding of grounding systems
Power Quality
• Loads that reduce power quality
• Series power filters (active)
• Power quality compensators
• Series compensation: DVR (active)
• Hybrid power filters (active)
• Power filters (Passive)
• Active shunt compensation: DSTATCOM
• Power quality standards and monitoring
• AC-DC converters that reduce power quality
• Improved power quality converters
• Shunt power filters (active)
voltage quality
• Voltage inference definition
• Transients
• Voltage fluctuations and their effects
• Short-term variation durations and their effects on power lines
• Long-term variation and their effects on power lines
• Symmetrical imbalances
• Supply network balance improvement
• Limiting imbalance recommendations
• Imbalance indicators
• Causes of imbalance
• Sources of reactive power
• Bank capacitor calculations
• Advantages of power factor improvement
• System characteristic response
Methodology
The training methodology integrates lectures, interactive discussions, collaborative group exercises, and illustrative examples. Participants will acquire a blend of theoretical insights and hands-on practical experience, emphasizing the application of learned techniques. This approach ensures that attendees return to their professional environments equipped with both the competence and self-assurance to effectively implement the acquired skills in their responsibilities.
DATE:
1ST BATCH: 25th – 28th Mar, 2024
2ND BATCH: 8th – 11th Oct, 2024
25, Queen street, Alagomeji Bus Stop, Yaba, Lagos