1. VAJJAMOHANA RAJU
Email ID: vajja.mohanaraju@gmail.com Contact No: +91 8390903647
+91 9640804020
CAREER OBJECTIVE:
 In quest of challenging opportunities in the domain of Erection, Testing & commissioning with a leading
organization of repute in energy sector.
PROFESSIONAL SUMMURY:
 B.Tech qualifiedandNPTI certifiedprofessional with4years 8 Monthsof experience incommissioning and
maintenance activities of Electrical Sub-stations, Switchgear, Transformers and Motors. Well Acquainted
with the technology of maintaining switchgear and protection
EXPERIENCE:
GMR EMCO ENERGYLtd.
Period : Dec’2011 - Till date
Project : 2 x 300 MW Thermal powerPlantatWarora, Maharashtra
Designation: Executive Engineer(Electrical Maintenance)
COMPANY PROFILE:
GMR Groupis a Delhi headquarteredglobal infrastructuremajorwithinterestsinthe Airports,Energy,Highways
and Urban infrastructure (includingSEZ).GMR EnergyLimitedhasacquired100% ownershipinterestinEMCO
EnergyLtd.,(asubsidiaryof EMCO Ltd.),a PublicLimitedCompany.GMR EMCO EnergyLtd. is developinga2 X300
MW coal basedpowerplantinWarora, Maharashtra
JOB RESPONSIBILITIES:
Switchyard
 Testing, Commissioning and Maintenance of 400KV Switchyard Equipment’s 400KV CT, CVT, EMVT, CB
and Isolator.
 Participatedin Testingandcommissioningof 400KV line distance protectionscheme along with ARC for
line and tie.
 Testing and commissioning of SEF and REF protection for ST, UAT and GT differential protection
Generator:
 Participated in Testing, commissioning and maintenance of various protection schemes Generator
differential,100%stator earthfault by third harmonic and low frequency injection, Low forward, Dead
Machine, LBB, Back up impedance, Loss of Synchronism and reverse power protection
 Testing,commissioningandMaintenance of 1250 kVA EmergencyDiesel GeneratorSets,relative panels
and synchronizing schemes.
 Over hauling& Periodicmaintenance of Generatorand all itsassociatedequipment’s, PT’s, CT’s, JOP’s,
Baring gear, Hydrogen cooling system & Stator water cooling systems.
Transformers:
 Participated in Testing, commissioning, maintenance and Overhauling of 355 MVA, 50 MVA, 25MVA
transformers of various protection scheme used in 355MVA generator transformer, 50MVA ST
& 25MVA UAT as differential protection, second harmonic block, REF, SEF and over flux
protection
 Commissioning and Maintenance of dry type transformers and Oil type transformers up to 2.5MVA

2. MV/LV Switchgear and HT/LT Motors:
 Testing,commissioning,Maintenance,Overhauling, Overallscheme checking,protectionschemes-
Differential,Stability,Variousprotectiontripping,Intertripping of 6.6 KV /415 V switchgearbothHT/LT
panelsof AREVA,GE,SIEMENS and L&T.
 Testing,CommissioningandMaintenance of 6.6KV,415Volt H.T. /L.T. Motors like BFP’s,Coal Millsand
Fan motors.
 Testing of motor protection Relay as: MICOM P220, P127, P122, P922 and ABB REM 610.
 I have familiarized with FBT (fast bus transfer- AARTECH) and ECP Systems.
Other responsibilities:
 Familiar with using Testing Kits like OMICRON CMC 256 Relay testing Kit, DC Earth Fault Detection Kit
 Preparation&reviewof monthlyprogressReportsandplanningforcorrective actions
 Commissioning Maintenance of 1605AH Unit Battery Banks, 400AH Station Battery Banks, 965AH UPS
Battery Banks,595A FCBC, 400A FCBC and 2x150KVA UPS panels.
 Commissioning and Maintenance of Soot Blowers, MOV’s.
 Actively participated in IMS activities and documentation.
 I have knowledge in Material SAP codification and SAP operation
TRAINING & ACHIEVEMENTS:
 PG Diplomatrainingprogram on “Power plant Familiarization” in NPTI Neyveli, Tamilnadu. (An ISO
9001:2000 and ISO 14001:2004 Organization).
 Contributed in successful synchronizing of two units of 2X300 MW GMR EMCO ENERGY LTD.
 An mainprojectworkhad beendone onthe “PowerQuality enhancementofthe time dependent inter
harmonic loads” at GMRIT ,Rajam
Highlights:
 Rectifiedthe majoroil leakageinGT,relaysettingcoordinationtoavoidmal functiontrippingandchange in
control scheme to save the running unit
 Honored with a certificate from Alstom Grid Technical Institute for completing training on protection
system in Jan 2014
EDUCATIONAL QUALIFICATION:
 B.Tech. (Electrical and Electronics engineering) from GMR Institute of Technology, affiliated to JNTU
Kakinada, with aggregate of 70.32% in the year 2011.
 Inter fromNarayana Dora juniorcollege,affiliatedtoBoardof Intermediate Educationwith91.1%marks
in the year 2007.
 SSC fromZP High School,affiliatedto Board of Secondary Education with 86.6% marks in the year 2005.
PERSONAL DETAILS:
Date of Birth : 05-July-1990
Marital Status : Unmarried
Permanentaddress : S/OVajjaDuryodhana
Karajada(Vill/Post),palasa(Via)
Meliyaputti(Mandal)
Srikakulam(Dist) AndhraPradesh,532221
LanguagesKnown : English,Hindi andTelugu.