Protection Services Brochure
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7/30/2019 Protection Services Brochure
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Relay Testing Setting CalculationsRelay Coordination Relay CommissioningPanel Commissioning Protection Training
Http://[email protected]
Our Relationship with Protection
& Diagnostics
POWER SYSTEM PROTECTION & DIAGNOSTICS
DEVICE SETTINGS RELAYS TESTING REVIEW OF POWER SYSTEM SCENARIOS
PrecisionEnggServices&C
onsultancy
co.
Prescon offers full range of Power System Protection Services. Startingfrom Consultancy, Design, Prescon now incorporates relay testing includingacceptance testing, commissioning testing and End-to-End testing servicesin its portfolio of ever inreasing Asset management solutions.Prescon has experienced and trained professionals, ETAP - Power SystemDesign Suite and Doble F6150 Relay Testing Sets in addition to presence of alarge library including various IEC and IEEE standards.Prescon can assist you in replacement of relays, installation andcommissioning of complete panels and schemes, setting reviews andcalculations.We are also proudly offering services for upgradation of protectionschemes based on latest Numercial protection relays from anymanufacturer of your choice.In addition to above, we are providing Training services to our clients allover Pakistan and abroad. We can study your system and make a specifictraining program of your desire.Write to us ator for general information.
[email protected]@theprescon.com
List of Services Offered:
?Power System Design
?Protection Relay Settings
?Power System Simulation
?Relay Coordination
?MV/LV Panel Commissioning
?MV/LV Testing
?Meter Testing
?Transducer Testing
?Protection Trainings
?Primary Injection
?Secondary Injection
?Protection CT Testing
?Upgradation of relays
If you cannot find services you
seek in the above list, please do
not hesitate to contact us.
mailto:[email protected]:[email protected]:[email protected]:[email protected] -
7/30/2019 Protection Services Brochure
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The F6150 Simulators are fully capable of testing all types of protective relays, includ-ing these IEEE relay types. In addition, using the Power System Model, P ProTest
Macro, any relay may be tested under true power system conditions, regardless of it
measurement function.
IEEE Device
Number . . . . .Relay Type . . . . . . . . . . . . . . . . . . . . . . . . Sources
2 . . . . . . . . . Time Delay and Starting . . . . . . . . . . . . . . 1 Vdc, 1 Idc
21 . . . . . . . . .Distance 1F. . . . . . . . . . . . . . . . . . . . . . . 1 Vac, 1 Iac
21 . . . . . . . . Distance, 3Fwye Voltage and Current . . 3 Vac, 3 Iac
21 . . . . . . . . .Distance 3F(open-delta) . . . . . . . . . . . . 2 Vac, 2 Iac
21G . . . . . . .Grround Distance . . . . . . . . . . . . . . . . . . 3 Vac, 1 Iac
24 . . . . . . . . .Volts/Hertz . . . . . . . . . . . . . . . . . . . . . . . . 1 Vac
25/25G . . . . .Auto-Synchronizing and synch check. . . . 2 Vac
27/59 . . . . . .AC/DC Under/Overvoltage . . . . . . . . . . . . 1 Vac or 1 Vdc
32 . . . . . . . . .Directional Power 1F. . . . . . . . . . . . . . . . 1 Vac, 1 Vac
32 . . . . . . . . .Dirrectional Power 3F(open delta. . . . . . 2 Vac, 2 Iac
voltages, open wye current)
37/76 . . . . . . .DC Undercurrent/Overcurrent . . . . . . . . . 1 Idc
40 . . . . . . . . .Loss of Field . . . . . . . . . . . . . . . . . . . . . . 1 Vac, 1 Iac or 1 Vdc, 1 Idc
46 . . . . . . . . .Phase Balance . . . . . . . . . . . . . . . . . . . . .3 Iac
46N . . . . . . .Negative Sequence Overcurrent . . . . . . . 3 Iac
47 . . . . . . . . .Phase Seq. Voltage (open-delta) . . . . . . . . 2 Vac
50 . . . . . . . . .Instantaneous Overcurrent (up to 90A. . . 1 Iac
Continuous, 180A 1.5 Seconds Max.)
51 . . . . . . . . .Time Overcurrent (up to 90A . . . . . . . . . . 1 Iac
Continuous, 180A for 1.5 Seconds Max.)
67 . . . . . Directional Overcurrent . . . . . . . . . . . 1.F:1 Vac, Iac; 3F:3 Vac, 3 lac
67N . . . . . . .Ground Directional Overcurrent. . . . . . . . 1 Vac, 1 Iac
79 . . . . . . . . .AC Reclosing . . . . . . . . . . . . . . . . . . . . . . 2 Vac, 1 Logic
81. . . . . . . . .Frequency . . . . . . . . . . . . . . . . . . . . . . . . . 1 Vac or 3 Vac
82 . . . . . . . . .DC Reclosing . . . . . . . . . . . . . . . . . . . . . . 1 Vdc, 1 Logic
85 . . . . . . . . .Carrier or Pilot Wire . . . . . . . . . . . . . . . . 1 Idc, 1 Vdc or Iac
86 . . . . . . . . .Lock-out . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Vdc
87 . . . . . . . . .Differential: . . . . . . . . . . . . . . . . . . . . . . . . 1F,2 Iac
87 . . . . . . . . .Differential: . . . . . . . . . . . . . . . . . . . . . . . . 3F,6 Iac
94 . . . . . . . . .Tripping . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Vdc or 1 Idc
F6150 Family of Power System Simulators
Http://[email protected]
Suite S-11Rukshanda Heights8km Multan RoadLahore - 54500Pakistan
+92 42 3744 0381-2+92 42 3744 0383 (Fax)C
ONTACT
List of IEEE Device and Source Requirements for
