Network analysis
- Load flow and load balance
- Short-circuit studies
- Motor-starting studies
- Transformer and on-load tap changer sizing
- Harmonic analysis
SPNG · Engineering, consulting, service
Engineering activities
Power system studies, protection engineering, design services and problem solving for electrical power systems.
Transient studies
- Electromechanical transient stability
- Electromagnetic transient studies
Protection system engineering
- Definition of protective functions
- Current and voltage transformer verification
- Relay coordination studies
Specialist studies and services
- Grounding-grid dimensioning
- Grounding-method definition
- Arc-flash analysis
- Fault investigation
- Reliability assessment
Engineering services
We develop engineering documentation for the purchase of main electrical equipment, including transformers, generators, switchgear and motors.
- Basic, detailed and construction engineering
- Electrical procedures
- Technical specifications
- Conceptual design and design criteria
- Sizing and data sheets of main equipment
- Purchase requisitions
- Logic diagrams
- Key single-line diagrams
- Support in managing client interfaces
Problem solving
- Root-cause analysis of faults and unwanted trips
- Analysis of events recorded by protection relays
- Analysis of operational problems and definition of possible solutions
