Switching Power System

Intended use:

Investigations of short-circuit stresses on electrical equipment in the short-time range ≤500ms.

Variation of short-circuit impedance according to the required network condition variable:

  • variable cosφ, κ in the AC circuit
  • variable τ in the DC circuit
 

Technical data:

Voltage (U)50 ... 800V DC continuously adjustable
Short-circuit current (Isc)max. 8 kA / 50 ms
Radditional0 - 3.15 Ω
Lvar0 - 48 mH

30 kA AC switching power installation, single-phase (currently undergoing general overhaul)

Technical data:

Voltage (U)92 ... 121 V DC
 230 ... 303 V DC
Short circuit current (ISC)max. 30 kA
Radditional0 - 680 mΩ
Lvar0 - 22 mH
Short-time dutymax. 100ms

Half-Sine Generator

Intended use:

Generation of semi-sinusoidal test currents 50 Hz.

 

Technical data:

Charging voltage (UC max)10 kV
Short-circuit current (ISC)max. 15 kA