office (714) 558-6177
fax (714) 558-7099

Delta Power, Inc

Switchgear and Critical Power Specialist

Coordinated Studies

Electrical system studies are critical in preventing injury to personnel, minimizing damage to the system components, mitigating electrical-caused fires, and in limiting the extent and duration of service interruptions to the electrical distribution system.

Short-circuit, coordination, load-flow, & harmonic studies; and device evaluation:

  • Description, purpose, basis and scope of the study plus a simplified single-line diagram of the portion of the power system which is included within the scope of study.
  • Tabulations of circuit breaker, fuse and other equipment ratings versus calculated short-circuit duties and commentary regarding same.
  • Protective device time versus current coordination curves, tabulations of relay and circuit breaker trip settings, fuse selection and commentary regarding same.
  • Fault-current tabulations including a definition of terms and a guide for interpretation.
  • Tabulation of appropriate tap settings for relay seal-in units.
  • Determine the correct protective device settings so your system properly protected.
  • Ensure interrupting devices will operate without catastrophic failure and that the power distribution equipment will withstand a close-in fault.
  • Generally, ensure the electrical system is properly sized and will respond as expected.