DEIF FAS-113DG

  • Product Name:​ DEIF FAS-113DG Automatic Synchronizer Module with Load-Share Interface (Gen-set Synchronizing)
  • Product Introduction:​ Enhanced version of the FAS-2R family, the FAS-113DG provides automatic synchronization plus analog outputs for interfacing with DEIF LSU-122DG (voltage droop/load share) and LSU-112/113/114DG (frequency load share) units for island-mode load sharing after paralleling.
Category:
Description
  • Technical Specifications:
    • Sync Type:​ Dynamic synchronization with breaker time compensation (200–400 ms adj.)
    • Inputs:​ 3 × phase-to-phase voltage (Gen & Mains/Busbar), 45–65 Hz
    • Voltage Measuring Range:​ 60–500 V AC L-L (activation > 60 % Un)
    • Outputs:​ 2 × SG relay contacts (raise/lower speed), 1 × Sync relay (close permit), analog ± frequency & voltage outputs (for LSU connection – terminals 33 ΔU, 36 Δf)
    • Option A (Frequency Ctrl):​ Locks gen frequency to setpoint (50/60 Hz ±0.05 Hz) when INH input active
    • Option B (Dead Bus / Dead Line):​ Allows closing when busbar voltage absent
    • Power Supply:​ 24 VDC (18–32 VDC) or 115/230 VAC 50/60 Hz
    • Power Consumption:​ ≈ 3–5 VA
    • Accuracy:​ Phase angle ±1°, freq ±0.01 Hz, voltage ±0.5 %
    • Mounting:​ DIN rail (35 mm) or screw-fastened panel cutout
    • Operating Temp.:​ -20 °C to +70 °C; Humidity 5–95 % non-condensing
    • Protection:​ IP20 (module), suitable for installation in ventilated enclosure
  • Structure & Features:​ Metal case with plug-in screw terminals; front-mounted potentiometers for voltage window, freq window, breaker time, pulse width; LEDs for PWR, SYNC, CB CLOSE.
  • Working Principle:​ Same as FAS-2R with added provision to output analog error signals proportional to Δf and ΔU which are fed to DEIF load-share units enabling kW/kVar sharing once the generator is online. The INH input can freeze synchronizing and switch to fixed-frequency mode (Opt A).
  • Installation & Notes:​ Connect Δf (term 36) to LSU frequency line, ΔU (term 33) to LSU voltage line for load sharing. Verify correct phase rotation on both generator and busbar inputs. Disconnect power before wiring. Do not exceed terminal torque specs (typ. 0.5–0.6 Nm).
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