Grid Studies & Power System Analysis
Power system studies for photovoltaic and battery storage projects using DIgSILENT PowerFactory – from load flow and equipment loading through short-circuit and protection to grid impact and P-Q capability.
AI-generatedEngineering, interfaces and documentation as one system
Grid studies answer the questions that decide whether a project can be connected: how the plant behaves in steady-state operation, under fault conditions and in its interaction with the upstream network. The results feed directly back into plant design, the protection concept and coordination with the network operator.
- Engineering driven by expertise and experience
- Interfaces clearly defined
- Documented for review
Technical scope in detail
The service modules are clearly structured and can be combined to match the project phase, plant configuration and technical requirements.
Load-Flow Study
Steady-state behaviour at the point of connection.
- Equipment loading of power transformers
- Equipment loading of lines and cables
- Equipment loading of transformer stations
- Reactive power behaviour
Short-Circuit & Protection Study
Fault levels and the basis for protection design.
- Calculation principles
- Three-phase short circuit
- Single-phase short circuit
- General protection design
Grid Impact Study
Effects of the plant on voltage quality in the network.
- Fast voltage changes
- Flicker
- Harmonics and interharmonics
P-Q Capability
Active and reactive power capability of the plant.
- P-Q diagram
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