By: Gst Power Service  09-12-2011
Keywords: Protective Relay

GST offers a variety of electrical engineering services for plants of all types as well as substations. These services include:

  • Electrical studies including short circuit, load flow and motor starting
  • Protective relay system review and design
  • Electrical equipment specification and installation design including generators, transformers, switchgear and motor control centers
  • Plant operations design modifications and consultation
  • Setup and scheduling of electrical maintenance programs
  • Power factor correction design
  • Field construction supervision and inspection
  • OwnerÂ’s engineer for plant/substation design review
  • Equipment factory test witnessing

Keywords: Protective Relay

Contact Gst Power Service

Email - none provided

Print this page

Other products and services from Gst Power Service



These services allow the customer to have a history of how the relay should react during certain faults (Zone 1, Zone 2, Reverse, etc.). We have the experience and equipment required to extract the oscillography from the relays and compare it against the expected results. GST has substantial experience with all types of end-to-end testing using both the Doble F6150 and the AVO MPRT.



Tracking this ratio as a function of time over the life of any insulator makes it much more likely to identify the failure potential of electrical apparatus. Insulation in series with good insulation which direct current test methods miss. DOBLE POWER FACTOR TESTING ADVANTAGES. SCOPE OF POWER FACTOR FIELD TESTING. Oil / Gas Circuit Breakers.



The Megger Pulsar utilizes the AVO Pulsemaster computerized relay tests program while the Doble uses macro-based software known as ProTest.