Chalfont testing facilities

World-class facilities for testing of electrical utility equipment to IEEE, UL, IEC and ANSI standards

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Frank Cielo Frank Cielo
Operations Manager

KEMA Laboratories in Chalfont

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Chalfont testing facilities

Located just outside Philadelphia at Chalfont, Pennsylvania, KEMA Laboratories – USA is easily accessible by road, rail, and air. It's extensive on-site test facilities include:

  • 1,000 MVA short-circuit generator (operating at 25, 50 and 60 Hz), 3-phase, 16 kV
  • 2,250 MVA short-circuit generator (operating at 25, 50 and 60 Hz), 3-phase 16.8 kV
  • Synthetic installation enabling up to 245 kV 63 kA single phase circuit-breaker testing
  • Inductive and resistive load banks up to 38 kV
  • Capacitor banks – Capacitor switching test – 3-phase, up to 38 kV, up to 2000 A
  • DC short circuit capability: up to 1600 V, up to 230 kA
  • Five large, high bay, reinforced test concrete cells complete with overhead cranes
  • Extended generator neutral to conduct internal arc test on the LV and MV class switchgear
  • Measurement and data collection:
    • Instrumentation – Voltage Dividers up to 100 kV, Current transformers and Rogowski coils up to 400 kA peak current with frequency band at 80 kHz
    • High Voltage potential isolation precision amplifiers
    • MARS – Measurement and Recording System – 32-channel data acquisition systems with automatic measurement and reporting
  • High voltage dielectric test facility
    • 1,500 kV impulse generator:
      • LI- Lightning Impulse test up to 1250 kV
      • SI- Switching Impulse test up to 900 kV
      • 1200 kVA Dielectric Resonant test set - power frequency withstand test
      • 600 kV up to 2 A
  • Thermal test facility – 3-phase, 60 Hz, up to 32 V, up to 20 kA
  • 2 MW interconnection with local grid certified by IEEE 1547
  • Control rooms
  • Machine shop
  • Dedicated shipping and receiving docks with over-head crane support
  • Private and secure offices for customer use
  • Private and secure customer assembly bays
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