Simsen Main Features

• From water to wire modeling
• Modular structure with arbitrary topology
• No restriction on the network size
• Three phases systems in ABC phase quantities
• Events detection and back-tracking
• Load-Flow calculation
• Parameterization
• Harmonics analysis, eigen values, eigen vectors
  calculation and representation

Hydraulic systems

• Water hammer calculation
• 4 quadrants transient behavior
• Francis/Pelton/Kaplan/Pumps and reversible
  Francis pump-turbines
• Surge tanks, surge shafts, differential surge tanks
• PID Turbine governors
• Hydroelectric interactions
• Cavitation/Water column separation
• Open channel flows
• Piezometric line visualization
• Database of realistic Francis & Pelton turbines
  performance hill chart

Adjustable Speed Drives

• DFIM FSFC modelling
• Power electronics converters
• Multi level modular converters (MMC)
• Voltage Source Inverters (VSI)
• LCI 6 and 12 pulses
• Cyclo-converters
• Analog / digital mixed signals simulation
• PWM PLL based control
• Vector control
• IGBT GTO Thyristor

• Electrical 3ph machines models 2.1-3.3
  according to IEEE standard 1110
• Single phase synchronous machine model
• Electromagnetic transients in AC/DC
• Transient stability and general fault analysis
• SubSynchronous Resonance (SSR)
• Torsional analysis
• FACTS, HVDC, SVC
• Grid code compliance (FRT)
• IEEE Standard excitation systems and PSS

Regulation part

• Easy definition of any control structure
• S-transfer functions, PID regulator
• Programmable unit, logical table
• Digital devices, Z-transfer functions
• Control devices, on-line FFT
• User defined DLL for control
• Coupling with external application
  (Matlab, Labview, EMTP-RV,
  Electromagnetic/Fluid FEM, HIL, etc)