MTekpro Technologies Private limited ::
B - 229, Greater Kailash N D-110048

+91 9810703882

Mon - Sat 8:30 AM - 7:00 PM

RELAY TESTING

Application check, installation, testing, calibration and commissioning of protective relays of make like Areva, ABB, Toshiba,Hitachi, Omron, Fuji, GE Multilin, AVK SEGC, Siemens, etc. makes are tested.

  • OVER CURRENT/EARTH FAULT RELAY(50/51/50N/51N/67/67N)
    • Pickup , Drop off & Threshold Test
    • I-t characteristics curve test
    • MTA test of Directional Relays,Tracing of Angle Limit
    • Curve Analysis
  • OVER/UNDER VOLTAGE RELAYS(27/59/91)
    • Delta Ramp Test
    • Pickup,Drop off Test
    • Zone test of Voltage Directional Relay
    • Curve Analysis
  • DIFFERENTIAL RELAYS(87)
    • Idiff.Pickup Test
    • Stability Check,Biasing ,Over Flux Test
    • 3rd Harmonic Test
    • Analysis of ID-IR graph & Restraining Characteristics
  • DISTANCE RELAYS(21)
    • Impedance Evaluation in Z-plane
    • Finding the R/X characteristics&Z-t diagram
    • Testing of the voltage dependent overcurrent starting function of distance relays


Following types of relays are also tested
:

RELAY TYPE IEEE NO
Synchronizing device 25
Under/over-voltage relay 27/59
Directional Power relay 32
Field relay 40
Reverse phase current relay 46
Phase sequence voltage relay 47
Incomplete sequence relay 48
Power factor relay 55
Voltage balance relay 60
Ground detector relay 64
Directional over-current relay 67
Phase angle out of step relay 78
Automatic reclosing relay 79
Frequency relay 81
Pilot wire receiver relay 85
Lockout relay 86
Voltage directional relay 91
Power directional relay 92
Tripping relay 94

 

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