Simulation of the most varied transient conditions which occur in AC and DC mains.  Also has facilities to permit the application of transients without supply voltage.  The basic equipment contains:
* Main frame unit with centralized power supply and control for 1 to 4 plug-in units
* Microprocessor controlled function keys and LCD display
* Connection to the unit under test and pulse output
* RS-232-C interface for computerized remote control

NSG600 Technical Data

• System Supply: 110/220 V (± 20%) 50/60 Hz switchable on main frame, connection via 6 A equipment plug
• EUT Supply:
  * 15 to 264 VAC; 15 to 65 Hz/16A max; 65 to 500 Hz/6A max
  * 5 to 50 VDC/16A max
  * Connection via 16A equipment plug
  * Decoupled against generated transient pulses being fed onto the supply network
• Test Supply Output: supply voltage with the selected interference superimposed via the mains socket (country specific) and safety banana plugs
• HV Pulse Output: pulses without supply voltage: Fischer 5 kV coaxial socket (e.g. for data line coupling devices)
• Remote Control: RS 232-C interface with supply for opto-link: Cannon 25 pol
• Plug-in Outfit: 1 to 4 pieces

Plug-in Units

NSG603 - AC/DC Line Dropout and Variation Simulator Plug-in

• Dropout, Sag and Swell Simulations
• Power to a device being tested can be either fully interrupted or made to deviate from the normal value.
• VinREF: 1 to 255 V
• VvarREF: 1 to 255 V
• Tevent: 20 µs to 130 s
• Trep (asynchronous): 40 µs to 130 s
• Trep (synchronous): 1 HW to 65535 HW (half cycles)
• Tphase (only with synch mode): 0 ms to 170 ms
• Connection for future expansion to 3 phase dropouts using NSG633

NSG622 - Fast Pulse Simulator Plug-in

• Pulse Data: amplitude unloaded ± 50 to 2500 V, in steps of 20 V
• Rise Time: 5/10/25/35 ns ± 20%
• Pulse Duration: Unloaded 0.1/0.3/1/3 µs ± 20%; Loaded with 50 ohms: approx 70% of unloaded value
• Internal Impedance: 50 ohms ± 10%
• Coupling:
  * Single phase sym. P/N; asym. P + N/E; asym. P + N + E/HF-earth; unsym. P or N or E/HF-earth
  * Mains decoupling incorporated
• Repetition: According to pulse duration
  * 0.1 µs:  15 ms to 99 s
  * 0.3 µs:  30 ms to 99 s
  * 1 µs:  100 ms to 99 s
  * 3 µs:  200 ms to 99 s
  * Externally via BNC input or via single pulse key on main frame
• Phase Angle: Synchronous, delay adjustable from 100 µs to 99 ms with reference of 0°; Asynchronous (free running)

NSG623 - Combination Wave Surge Generator Plug-in

• Combination wave generator conforming to IEC 801-5 (level 3)
• Symmetrical up to 1.5 kV / 750 A
• Asymmetrical up to 3 kV
• Integral coupling into the mains
• Pulse amplitude
  * 50 to 1500 V, sym., Zi = 2 and 12 ohm
  * 200 to 3000 V, sym., Zi = 12 ohm
  * 200 to 3000 V, asym., Zi = 50 ohm
  * 200 to 3000 V, Pulse Output, Zi = 42 ohm
• Polarity: + or - selectable
• Open Circuit Data ( Zi = 2 ohm )
  * Rise time: 1.2 µs
  * Pulse width: 50 µs
• Short Circuit Data ( Zi = 2 ohm )
  * Rise time: 8 µs
  * Pulse width: 20 µs
• Pulse Repetition: 10 to 640 s
• Preset Counter: 0 to 64000 pulses
• Phase Relation: Synchronous ( 0-360 deg) or Asynchronous (free running)
• Coupling Network: Internal (Single Phase)
  * Symmetric, floating: L1 > L2
  * Asymmetric: L1/L2 > E
  * Asymmetric: L1+L2 > E
• Inputs:
  * EUT Supply: 0 to 264 VAC / 16 A max
  * External Trigger / Gate
  * EUT-fail, to stop simulation in the event of EUT failure
• Outputs:
  * EUT connection with pulse superimposition
  * Pulse Output, coaxial
  * Safety interlock
  * Trigger output EVENT, BNC
  * Trigger output REFERENCE, BNC

• NSG625 - Fast Transient Simulator Burst Generator Plug-in

• Exceeds IEC 801-4, VDE 0843-T4, etc.
• Pulse Amplitude U: 200V to 4400V (no load); 100V to 2200V (into 50 ohm); adjustable in steps of 20V
• Polarity: selectable, positive or negative
• Rise Time t_r: 5 ns ± 30% (50 ohm, 10 - 90%)
• Single pulse width t_p: 50 ns ± 30% (50 ohm, at 50%, 500 - 4000V)
• Burst Frequency f Burst: for pulse amplitudes < 2000V, 0.1 to 10 kHz ± 1%; For pulse amplitudes > 2000V, 0.1 to 5 kHz ± 1%
• Burst Duration t Burst: 0.1 to 20 ms ± 2% and single pulses
• Burst Repetition t Rep: 0.1 to 99 s ± 2% (asynchronous); 5 to 64,000 half-waves (mains-synchronous)
• Phasing: Synchronous: delay adjustable from 0° over the range 0 to 99 ms; Asynchronous: free-running
• Source Impedance: 50 ohm ± 20% (dynamic)
• Coupling
  * Via single-phase mains coupler in the NSG600; Non-symmetric coupling on L1 or L2 or E as per IEC 801-4; Asymmetric on L1 and L2 to E or, L1 and L2 and E to HF-earth
  * Direct pulse output for external coupling devices

Please contact us for more information on the Schaffner NSG600