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CURRICULLAM VITAE
NAME: DINESHKUMAR PANDIARAJ
NATIONALITY: INDIAN
DATE OF BIRTH: 10th February 1993
MARITAL STATUS: SINGLE
EDUCATION
August 2010 – April 2014 K.L.N. COLLEGE OF ENGINEERING affiliated to ANNA UNIVERSITY, CHENNAI. B.E. ELECTRICAL AND ELECTRONICS ENGINEERING.
INDUSTRIAL TRAINING
May 2013 SUN INDUSTRIAL AUTOMATION AND SOLUTION
December 2012 TUTICORIN THERMAL POWER STATION
WORKING EXPERIENCE
September 2015 TO DATE Commissioning Engineer at ARM Engineering Company Limited Worked at the ‘160km 132kV Mbarara – Nkenda T/L and Associated Sub-Station Project’ where I am doing:
1. Testing of Distance protection schemes and Bay control unit for OHL protection.
2. Testing of Differential scheme for Reactor and Bay control unit for Reactor Protection.
3. Testing of Differential scheme for 132/33kV Transformer and Bay control unit for Transformer protection.
4. Ensuring that proper documentation of the Commissioning Works done.
5. Communication and Co-ordinating with the Engineers from Techno Electric Engineering Co. Ltd. and Uganda Electricity and Transmission Co. Ltd. on the Protection tests to be done and seeking and providing solutions on any issues that arose during the tests.
Worked at ‘132/220kV Bujagali SS 220kV Switchyard Upgrade Project’ where I was involved in: 1. Testing of power transformers, current transformers,
voltage transformer, bus bars, HT cables, isolators,
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indoor and outdoor breakers, and measuring and metering equipment.
2. Ensuring that proper documentation of the Commissioning Works done.
3. Communication and Co-ordinating with the Engineers from NCC Ltd. and UETCL on the commissioning tests to be done and seeking and providing solutions on any issues that arose during the tests.
Worked at the ‘Kenya Electricity Expansion Project’ where I was involved in:
1. Testing of power transformers, current transformers, voltage transformer, bus bars, protection relays, HT cables, isolators, indoor and outdoor breakers, and reactive power compensator, capacitor banks, measuring and metering equipment.
2. Testing of transformers, bus bars, bus section, and line protection schemes.
3. Ensuring that proper documentation of the Commissioning Works done.
4. Communication and Co-ordinating with the Engineers from KEC International and Kenya Power on the commissioning tests to be done and seeking and providing solutions on any issues that arose during the tests.
January 2015 TO August 2015 Commissioning Support Engineer at ARM Engineering Company Limited Duties Involved:
1. Testing of power transformers, current transformers, voltage transformer, bus bars, protection relays, HT cables, isolators, indoor and outdoor breakers, generators, and reactive power compensator, capacitor banks, measuring and metering equipments.
2. Testing of generators, transformers, bus bars, bus section, and line protection schemes.
May 2014 TO December 2014 Site Supervisor at Shrishti Power Technologies Private Limited Duties Involved:
1. Supervising the Electricians 2. Marking for conduits as per AUTO-CAD Drawings 3. Progress Report and Work plan for every week
PROJECTS DONE
1. New Fort Portal 132/33kV Sub-station (July 2016 to August 2016)
Testing has been don for 132kV Line Distance relays (REL650), 132kV Line Bay Control Unit
(REC650), 132/33kV Transformer Main Protection (RET650), 132/33kV Transformer Bay Control
Unit (REC650), 132kV Bus-bar protection (REB670), 33kV Transformer MV backup protection
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(REF630), 33kV Feeder Protection (REF615), 33kV Bus-section protection (REF630), Elster Energy
meter (A1500) and Automatic Voltage regulator for 132/33kV Transformer bays (REG-D & REG-
PED).
And also have been done some configuration modifications as per site requirements.
All the above have been communicated with ABB micro SCADA and done all the signals and
controls from station HMI.
Also learned basic ideas about ABB micro SCADA for small engineering work like communication
check with CET software, signal text modifications, object text modifications, Bus-bar colouring,
basic engineering work with IET tool, how to take backup with Acronis software and how to load
the file for NCC address.
Line Distance Relay 4 nos. (ABB REL650)
o Distance Protection Zone measurements, Zone reach and with Scheme
communication
o Directional Earth Fault Protection with Scheme communication
o Auto Reclose function for Zone-1, Zone-2 with scheme communication and
Directional Earth Fault with scheme communication
o Switch on to fault on Manual close function and Auto reclose function
o Backup current protection when there is a fuse-failure
o Breaker Failure protection on 132kV bus
o Distance and Earth fault Weak in field logic
o Thermal overload function 132kV line
o Auto Synchro-check for Auto reclose
Line Bay Control Unit with Backup Protection 4 nos. (ABB REC650)
o Measurements for Voltage, Current, Active Power, Reactive Power and
Apparent Power with 20%,50% and 100%
o Non-Directional Over current Protection
o Directional Earth Fault with scheme communication
o Over Voltage Protection
o Done logics for Energy meter counter measurements with BCU for updating 3
minutes once and resetting every hour as per the client requirement
o Manual Synchro-check for manual CB operation and synch operation
132/33kV Power Transformer Differential and Restricted Earth Fault Protection 2
nos. (ABB RET650)
o Transformer Differential protection with Bias slope calculation
o Restricted Earth Fault protection for 132kV and 33kV side
o Over-flux protection on 33kV side
o Breaker failure protection on 132kV side
o Thermal overload protection on 132kV and 33kV side
o Transformer differential stability and REF differential stability are checked
with 3ph 415 supply. Checked both In-zone and Out-zone fault.
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132/33kV Power Transformer Bay Control Unit with Backup Protection 2 nos. (ABB
REC650)
o Measurements for Voltage, Current, Active Power, Reactive Power and
Apparent Power with 20%,50% and 100%
o Non-Directional Over current Protection
o Non-Directional Earth Fault
o Standby Earth Fault protection from 132kV side of 132/33kV Transformer
Neutral CT
o Done logics for Energy meter counter measurements with BCU for updating 3
minutes once and resetting every hour as per the client requirement
132kV Bus-bar protection 1 no. (ABB REB670)
o A single bus without bus-section and four 132kV line bays are entering to bus
and two 132/33kV Transformer bays are exiting from bus. So the current
coming in should be equal to current going out and all of them are checked
with secondary injection to the relay and done Bus-bar differential stability
have been done with primary injection and for sensitivity changed polarity and
found unstable.
o Also checked the blind zone protection on Line and Transformer bays.
33kV Transformer Incomer Bay control unit and Backup protection 2 nos. (ABB
REF630)
o Measurements for Voltage, Current, Active Power, Reactive Power and
Apparent Power with 20%,50% and 100%
o Non-Directional Over current Protection
o Non-Directional Earth Fault
o Standby Earth Fault protection from 33kV side of 132/33kV Transformer
Neutral CT
o Manual Synchro-check in between 33kV bus and incomer for manual CB
operation and synch operation
33kV Feeder Protection and Bay Control unit 2 nos. (ABB REF615)
o Measurements for Voltage, Current, Active Power, Reactive Power and
Apparent Power with 20%,50% and 100%
o Non-Directional Over current Protection
o Non-Directional Earth Fault
33kV Bus-section protection and Bay control Unit 1 no. (ABB REF630)
o Measurements for Voltage, Current, Active Power, Reactive Power and
Apparent Power with 20%,50% and 100%
o Non-Directional Over current Protection
o Non-Directional Earth Fault
o Manual Synchro-check in between 33kV bus 1A and bus 1B for manual CB
operation and synch operation
Elster Energy Meters 12 nos. (A1500)
o Configuring the meters as per client request on site
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o Tested the meters for Active, Reactive and Apparent Power for 20%, 50% and
100% for both Import and Export
o Split for 3 period on every day Low peak, Medium peak and High peak hours
o Set the pulse counters as per client request
Automatic Voltage Regulator for 132/33kV Transformer Bays 2 nos. (REG-D & REG-
PED)
o Configuring the REG-D relay with ABB basic configurator file
o Configuring the REG-PED with Win Configurator
o Tested the REG-D relay for Manual and Automatic Raise and Lower operation
o Tested the Master, Follower and Independent function with REG-D relay using
Goose function with REG-PED
o Tested the out of step and parallel failure
o >U Blocked
o <U Blocked
2. 160km 132kV Mbarara – Nkenda T/L and Associated Sub-Station Project (May 2016 to
June 2016)
Lira 132/33kV Sub-station (OHL – Lira 2 to Opuyo 2)
Tororo 132/33kV Sub-station (OHL – Tororo 2 to Opuyo 2)
Opuyo 132/33kV Sub-station (OHL – Opuyo 2 to Lira 2 & Opuyo 1 to Tororo 1 & Opuyo
2 to Tororo 2 & Shunt Reactor)
Mbarara 132/33kV Sub-station (Elster Energy meters 4 nos. – A1500)
Nkenda 132/33kV Sub-station (Elster Energy meters 4 nos. – A1500)
Testing Line Distance relays, Line Bay Control Unit and Shunt Reactor Differential Protection and
Bay Control Unit have been done for all Line Bays and Reactor Bay.
And also have been done some configuration modifications as per site requirements.
Line Distance Relay (ABB REL650)
o Distance Protection Zone measurements, Zone reach and with Scheme
communication
o Directional Earth Fault Protection with Scheme communication
o Auto Reclose function for Zone-1, Zone-2 with scheme communication and
Directional Earth Fault with scheme communication
o Switch on to fault on Manual close function and Auto reclose function
o Backup current protection when there is a fuse-failure
o Breaker Failure protection on 132kV bus
o Distance and Earth fault Weak in field logic
o Thermal overload function 132kV line
o Auto Synchro-check for Auto reclose
Line Bay Control Unit with Backup Protection (ABB REC650)
o Measurements for Voltage, Current, Active Power, Reactive Power and
Apparent Power with 20%,50% and 100%
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o Non-Directional Over current Protection
o Directional Earth Fault with scheme communication
o Over Voltage Protection
o Manual Synchro-check for manual CB operation and synch operation
Shunt Reactor Differential and Restricted Earth Fault Protection (ABB RET650)
o Differential protection on shunt reactor
o Restricted Earth Fault protection on Shunt reactor
Shunt Reactor Bay Control Unit with Backup Protection (ABB REC650)
o Measurements for Voltage, Current, Active Power, Reactive Power and
Apparent Power with 20%,50% and 100%
o Non-Directional Over current Protection
o Non-Directional Earth Fault
Elster Energy Meters (A1500)
o Configuring the meters as per client request on site
o Tested the meters for Active, Reactive and Apparent Power for 20%, 50% and
100% for both Import and Export
o Split for 3 period on every day Low peak, Medium peak and High peak hours
o Set the pulse counters as per client request
3. 132/220 kV BUJAGALI SUB-STATION, 220kV SWITCHYARD UPGRADE (January 2016 to
April 2016)
Testing Primary equipments, Scheme Checks for full 33kV, 132kV and 220kV side, and Final
operations have been done from SCADA for all the equipments.
Primary Test:
ABB Current Transformer complete primary test like polarity test, winding resistance test,
Knee point test, Ratio test and Insulation Resistance.
ABB Capacitive Voltage Transformer completes primary test like Polarity test, Winding
resistance test, Ratio test and Insulation Resistance.
Contact Resistance and Insulation Resistance have been done for Isolators and Earth
Switches made by ABB.
Contact resistance, Insulation resistance and Timing test for ABB Outdoor Circuit
Breakers.
Complete test for Emco 220/132/33kV Auto Transformer like Winding Resistance,
Insulation Resistance, Short circuit impedance test, Vector group test, Voltage Imbalance
test, Ratio Test for all 17 taps of the transformer and also Tan Delta test for Bushings and
Windings.
Complete test for TANELEC 0.25 MVA Auxiliary Transformer like Winding Resistance,
Insulation Resistance, Short circuit Impedance, Ratio test, Voltage Imbalance test for all 5
taps of the Transformer.
Complete test for 33kV Schneider GIS Switchgear which is include Current Transformer,
Circuit Breaker, Voltage Transformer, XLPE HT cables and Bus bars.
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For HBL Batteries 110V
o Battery Discharging Test
o Battery Charging Test
Functional Checks:
From 220kV switchyard to all Control and Protection panels full functional checks have
done.
33kV GIS Switchgear Schneider made Panels full functional checks have done.
4. EMBAKASI 66/11 KV CAPACITOR BANK SUB-STATION (December 2015)
Testing has been done for,
Crompton Graves Limited 66/11 KV 60MVA Transformer Complete Test.
UST mode Tan-Delta test for 66KV Crompton Graves Bushings.
Insulation Resistance, Winding Resistance, Knee point voltage and Ratio test for HV and
LV Bushing CT’s.
Insulation Resistance and Hi-Potential test for 11KV HT Cables.
Winding Resistance, Insulation Resistance, Knee point voltage and Ratio test for Gemini
Instatech Limited CURRENT TRANFORMER.
Insulation Resistance and Capacitance Measurement for Copper Power Systems Single
Phase Capacitor Bank.
ABB RET543 (87T, Transformer Differential)
ABB RET541 (50/50N, Over-current & Earth Fault)
ABB REF615 (67N, Stand-by Earth Fault)
Complete Scheme checks.
Transformer Differential Stability and Restricted Earth Fault Stability.
5. KENYA ELECTRICITY EXPANSION PROJECT (July 2015 to November 2015)
Contract X:
Lot-1 VILLAFRANCA 66/11KV, 2X18 MVA SUB-STATION only Primary Test and Functional
Checks. (July 2015 to August 2015)
Lot-3 TALA 66/11KV, 1X23 MVA SUB-STATION only Primary Test and Fundamental
Checks. (July 2015 to August 2015)
Lot-3 JKUAT 66/11KV, 1X23 MVA SUB-STATION: (Full Commissioning) (September 2015
to October 2015)
Lot-3 MWEA 33/11KV, 1X7.5 MVA SUB-STATION: (Full Commissioning) (November
2015)
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Testing Primary equipments, Scheme Checks for full 66KV and 11KV side, Relay protection test for
ABB relays, Configuring ABB relays with PCM600, Communicating all the relays with SCADA, and
Final operations have been done from SCADA for all the equipments.
Primary Test:
Mehru Outdoor oil cooled Current Transformer complete primary test like polarity test,
winding resistance test, Knee point test, Ratio test and Insulation Resistance.
Mehru Outdoor oil cooled Potential Transformer completes primary test like Polarity
test, Winding resistance test, Ratio test and Insulation Resistance.
Contact Resistance and Insulation Resistance have been done for Isolators and Earth
Switches.
Contact resistance, Insulation resistance and Timing test for Crompton Graves 66 KV
Outdoor Circuit Breakers.
Complete test for Crompton Graves 23 MVA Power Transformer like Winding Resistance,
Insulation Resistance, Short circuit impedance test, Vector group test, Voltage Imbalance
test, Ratio Test for all 17 taps of the transformer.
Complete test for Raychem RPG 0.1 MVA Auxiliary Transformer like Winding Resistance,
Insulation Resistance, Short circuit Impedance, Ratio test, Voltage Imbalance test for all 5
taps of the Transformer.
ABB Indoor Current Transformer complete primary test like polarity test, winding
resistance test, Knee point test, Ratio test and Insulation Resistance.
ABB Indoor Circuit Breakers completes primary test like Contact Resistance, Insulation
Resistance and Timing test.
For HBL Batteries 110V and 48V
o Battery Discharging Test
o Battery Charging Test
Functional Checks:
From 66KV switchyard to all Control and Protection panels full functional checks have
done.
11KV indoor ABB made Panels full functional checks have done.
Interlocks for Isolators, Earth Switches, Circuit Breakers and 66KV circuit breaker to 11KV
incomer circuit breaker have done.
Inter-trips from 66KV to 11KV and also 11KV to 66KV.
Relay Control and Protection:
LINE CONTROL (REF630)
Sync-check for two lines with voltage, frequency and phase angle.
Dead Line Dead Bus
Live Line Dead Bus
Dead Line Live Bus
Live Line Live Bus
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Measurements for voltage, current and power with 25%, 50%, 75%, 100%, 120% (High
limit) and 130% (High High Limit).
AUTOMATIC VOLTAGE REGULATOR – AVR CONTROL (REU615)
Automatic Voltage regulation process with Relay and SCADA.
>I Blocked
>U Blocked
<U Blocked
Parallel Fail – Out of Step
LINE PROTECTION (REF630 & REF615)
Non-Directional Over-current Protection (50,51)
Non-Directional Earth Fault Protection (50N,51N)
Directional Over-current Protection (67)
Directional Earth Fault Protection (67N)
TRANSFORMER PROTECTION (RET630 & RET615)
Non-Directional Over-current Protection (50,51)
Non-Directional Earth Fault Protection (50N,51N)
Transformer Differential Bias Slope, Harmonic Blocking (87)
Negative Sequence Over-current Protection (46)
Thermal Overload Protection (49T)
High Restricted Earth Fault Protection – REF (87N)
Over Excitation Protection (24)
Buchholz Relay Protection
Pressure Relief Protection
Winding Temperature Protection
Oil Temperature Protection
11KV FEEDER PROTECTION (REF541)
Normal Over-Current Low Stage (50)
Normal Earth Fault Low Stage (50N)
Sensitive Earth Fault (51N)
Auto Reclose (AR5)
11KV INCOMER PROTECTION (REF541)
Directional Over-Current Protection (67)
Normal Over-Current Low Stage (50)
Normal Earth Fault Low Stage (50N)
FLIPPER PRESSURE CIRCUIT PROTECTION
ARC PROTECTION in 11KV ABB Panels (REA101 Central unit & REA105 Extension units)
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6. RUAI 66/11 KV SUBSTATION (August 2015)
For maintenance, following tests have been done and commissioned the station
Contact resistance for 11 KV ABB panel Busbar.
Contact resistance for 11 KV Indoor Circuit Breakers.
Transformer and Busbar Stability have done with 415 V supply in HV side and created
fault in LV side.
Relay test for Over-current protection, Earth fault Protection and Transformer
differential Bias Slope in ABB REB670 relay.
ARC protections in REF615 have done.
7. KANGEMA 33/11 KV SUBSTATION (July 2015)
Testing Crompton Graves 33 KV circuit breaker
Contact resistance, Winding resistance and Timing test have been done for outdoor
Circuit Breakers.
8. IBER AFRICA POWER EAST AFRICA (EA) LIMITED (July 2015)
For maintenance, following tests have been done
Winding resistance, polarity, ratio, magnetization curves for ABB indoor current
transformers
9. RUARAKA REACTIVE POWER COMPENSATOR (May 2015)
For maintenance, following tests have been done
Ratio test for ABB outdoor current transformer
Insulation resistance and capacitance value test for COOPER POWER SYSTEMS make
single phase capacitor
Insulation resistance, inductance and resistance values for POWER ECONOMY MIDDLE
EAST CO. LLC three phase series reactor compensator
Neutral unbalance protection for ABB SPAJ 160C relay
10. TRIUMPH 81MW HFO POWER PLANT (January 2015 to May 2015)
Testing and Commissioning for
Primary Test
XJ Outdoor oil cooled Current Transformer complete primary test like polarity test,
winding resistance test, Knee point test, Ratio test and Insulation Resistance.
XJ Outdoor oil cooled Potential Transformer completes primary test like Polarity
test, Winding resistance test, Ratio test and Insulation Resistance.
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Contact Resistance and Insulation Resistance have been done for Isolators and Earth
Switches.
Contact resistance, Insulation resistance and Timing test for XJ 66 KV Outdoor Circuit
Breakers.
Complete test for XJ Auxiliary Transformer like Winding Resistance, Insulation
Resistance, Short circuit Impedance, Ratio test, Voltage Imbalance test for all 5 taps
of the Transformer.
XJ Indoor Current Transformer complete primary test like polarity test, winding
resistance test, Knee point test, Ratio test and Insulation Resistance.
XJ Indoor Circuit Breakers completes primary test like Contact Resistance, Insulation
Resistance and Timing test.
FUZHOU TIANYU ELECTRIC CO. LTD outdoor – ONAN type Ten 11MVA Power
Transformers and One 9MVA Power Transformer
Tests done:
Insulation resistance
Ratio
Magnetic balance
Vector group
Impedance
Zero sequence
Transformer oil dielectric strength
Functional checks
Knee point voltage test for bushing CT
Ten 10112.5KVA HYNDAI THREE PHASE SYNCHRONOUS GENERATORS
Tests done:
Insulation resistance for generator CTs
Winding resistance for generator CTs
Ratio test for generator CTs
XJ PROTECTION RELAYS
Tests done:
Generator Protection XJ WFB-811A
o Differential over current (87, 87N)
o Stator earth fault
o Compound voltage over current
o Negative sequence
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o Reverse power
o Frequency anomaly
Transformer Protection XJ WFB-812A
o Differential over current (87, 87N)
o Compound voltage over current (51V)
o Non-directional over current (50/51)
o Non-directional earth fault (50N/51N)
o Zero sequence over voltage (64N)
Transformer Protection XJ WBH-812A
o Differential over current (87, 87N)
Transformer Protection XJ WBH-814H
o Compound voltage over current (51V)
o Non-directional over current (50/51)
REFERENCES
1. RODGERS ADAI
Director / Commissioning Engineer
ARM Engineering Company Ltd, Kenya
Tel: +254733676036
Email: [email protected]
2. SHANKAR BALAKRISHNAN
National Contracting Company Limited, Saudi Arabia
Tel: +966501239336
Email: [email protected]
3. PANDIARAJ PETCHIMUTHU
Senior Commercial Manager
National Contracting Company Limited, Mozambique
Tel: +258840652063
Email: [email protected]
DINESHKUMAR PANDIARAJ Signature/Date:
Tel: +254 717614513
Email: [email protected]
Plot No. 108, Sadi Residence, Sadi Road, South-B, Nairobi, Kenya.
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