Manager
K Electric
Total years of experience :17 years, 1 Months
• EHT Network (Comprise of 220, 132 and 66KV ) analysis.
• Root cause analysis of tripping and provide way forward/solutions
• Design review of new Substation projects
• Setting calculation and configuration of distance, differential and OCEF relays
• Monthly trend analysis of EHT line, Power Transformers and 11KV feeder tripping
• Provide recommendations to site engineers based nature of tripping
• Provide technical support to staff working on sites
• Reviewing the primary and secondary drawings
• Develop issue and implement commissioning programs and plans, commissioning schedule and Inspection and Test Plans (ITPs).
• Familiarity with SEC Standards (AS), IEC and ANSI standards.
• Develop Job Safety Analysis (JSA).
• Understand and enforce Power System Safety Rules.
• Data management of substation equipments.
• Develop isolation sheets and protection cutover sheets.
• Commissioning and testing of 110kV, 220kV protection and control panels for line, bus and transformer bays.
• Testing & commissioning of Power Transformers 50MVA, 40MVA, 30/39MVA, 20/26MVA having voltage ratios 132/11kV, 66/11kV in which main test of transformer are:
Transformer Turns Ratio, Insulation Resistance of windings and bushings, Winding Resistance, Short Circuit (Impedance Test), Open Circuit (Excitation Current Test), C & DF (Tangent Delta test of windings and bushing), and Transformer Devices Test (Pressure Relieve Device, Diverter, Bacholz Relay, Oil and Winding Temperature Test).
• BUS bar Protection Relays
P746 (AREVA/ALSTOM) \{Low Impedance \}
7SS52 (SIEMENS) \{Low Impedance \}
• Over Current and Earth Fault Relays
MICOM P122, P143 (ALSTOM)
7SJ512 and 7SJ600/02 Numerical (SIEMENS).
• Differential Relays (Transformer )
7UT612/613 Numerical (SIEMENS)
• Under Frequency Relays
7SRW600( SIEMENS)
• Differential and Distance Relays (Transmission Line )
MICOM P543(ALSTOM)
D60, D30 (GE)
7SA522(SIEMENS).
LPRO4000 (ERL)
• Relay communication using software DIGSI 4.8X (SIEMENS), AcSELerator (SEL), PCM600 (ABB), ENERVISTA (GE), RCP (ERL), MICOM S1 AGILE (ALSTOM), MICOM S1 STUDIO (SCHNEIDER) (Presentation and Analysis of Disturbance Recording Data with Eview) used for relay parameterization, fault disturbance records, events data retrieving and analysis purpose.
• Testing & commissioning of 110kV/22kV & 110kV/11kV Transformer Differential scheme, AVR relay testing with tap changer functionality checks.
• Testing and commissioning of 110kV Line Differential scheme.
• Performing post energization on load checks.
• Testing of Distance protection scheme including logic using OMICRON CMC 356.
• Testing and commissioning of 22kV, 66kV, 110kV, and 220kV Current Transformers (CTs) and Potential Transformers (PTs).
• High Voltage Pressure test on 110kV Wall Bushings, Busbar, CTs, and CB etc.
• 22kV Switch gear and 110kV Circuit Breaker contact resistance and timing test using ISA CBA 2000 Test Set (Circuit Breaker Analysis).
• Earth Resistance testing (3 pole and 4 pole method).
• Experience of operating various testing equipment’s I-e.
ISA DRTS-6
SVERKER
Current Position: Protection Consultant at Saudi Electric Company,
Kingdom of Saudi Arabia Feb, 2012 till date
Haramain High Speed Railway Substation-3, 5 and 6
Job Responsibilities:
Supervising testing and commissioning of new Harmain High Speed Railway OH TLs 380KV Substation equipments i.e., Lightening Arrestors, CTs, PTs, Bus bars, Power Transformers, MV Switch gears and testing of Distance, Differential, OCEF and Synch Check relays.
• Work scheduling monitoring and control of contractor activities.
• QA/QC monitoring and record keeping of the project
• Progress evaluation, billing and invoice presentation
• Safety and loss prevention
Installation Testing and Commissioning: • Installation testing and commissioning of 380KV Gas insulated Switchgear (GIS)
• Supervised and executed all tests on 380KV GIS i.e. Partial discharge test, high voltage test (515KV)
• Installation testing and commissioning of LCC panels for 380KV GIS, Protection Panels of OH Transmission lines, Power Transformer, Teleprotection, AC/DC Panels and 33KV Switchgear panels
• Supervised and witnessed testing and commissioning of Digital fault recorder for 380KV Transmission lines, Power Transformers, and 380KV Underground cables
• Supervised and witnessed testing and commissioning of 48V DC system for communication and 125V DC system for Protection and operation of 380KV GIS and 33KV Switchgear
• Supervised and witnessed testing of 40MVA power transformer
• Witnessed high voltage testing of 380KV power cable for transformer.
• Witnessed stability test of 380KV GIS, 33KV Switch gear
• Witnessed Primary injection on 380KV GIS and 33KV Switchgear
Cordination and Report making: • Daily, Weekly and Monthly progress report of the project
• Co ordination with other departments for report making i.e. Civil, Mechanical and Communication.
• Co ordinate with the project manager for progress of the project and following of SEC standard in all jobs executed at site.
Karachi Electric Supply Company Limited May, 2011 to January, 2012
Pakistan Deputy Executive Engineer Protection
Job Responsibilities: Supervised Protection related activities of 15 No of Sub Stations of K.E.S.C, testing and commissioning of different relays i.e., Distance Relays, Differential Relays, Over current
Relays, Under Frequency Relays, Breaker Failure Relays, Trip Circuit Supervision
Relays of Siemens, GE, GEC, AREVA, ABB
Testing and Commissioning of 11KV, 132KV and 220 KV CTs, PTs and Power
Transformers ranging 10MVA to 40 MVA
Providing logistic support to staff working on field and facilitate them with required
testing and commissioning equipments and tools
Maintaining data of more than 70 employees and their attendance and over time etc
Coordination with different department's i.e. Grid System Maintenance department,
Energy and Metering department, SCADA, and Project Implementation department
Karachi Electric Supply Company Limited April 2007 to May 2011
Pakistan
Protection Engineer (Assistant Executive Engineer)
Job Responsibilities: Performed range of testing of a power transformer ranging from 10MVA up to 40MVA
Carrying out testing procedures like transformer's turn ratio (T.T.R), transformers
insulation withstand test, transformer's winding resistance test, transformer's
protective device test such as Bacholz test, OLTC tripping test, Thermal replica test,
oil and winding temperature test. Carried out testing of different protective relays
Performed CT ratio and pressure test, Performed 220kv and 132kv PT ratio and pressure
test Carrying out stability test, Carried out testing of HVAC 11kv switchgears.
Tested various numbers of power transformers ranging from 10 MVA to 40 MVA of various make such as Siemens, ABB, Hyundai, BBC, ELTA, Trafo Union,
HEC etc at sub-stations within the licensed area of the company.
Designed, implemented and tested different kinds of protective schemes at different voltage levels ranging from 11kv to 132kv sub-stations.
Responded to faults and preventive maintenance shutdowns, identified problems in timely fashion.
HANDS-ON EXPERIENCE ON TESTING EQUIPMENTS
* Programma® Severker® 750 (Current Injection Test Set)
* Megger Primary Current Injection Test Set
* ISA DRTS 6 - Automatic Three Phase relay Test Set
* Megger® MultiAmp Transformer Ohmmeter (Winding Resistance Test Set)
* AVO® Megger® Series 1-5000 (5kv Automatic Insulation Tester)
* Briddle® International USA (3 Phase TTR)
* Briddle® International USA (1 Phase TTR)
* Programma® PAM 360 (Phase Angle Meter)
* BBC FCN 950 (Under Frequency Relay Tester)
* Programma® Breaker System Analyzer TM1600
* Megger® Earthing Resistance Test Set
WORKED ON PROTECTIVE RELAYS
Range of over current & earth fault relays
* MICOM P122 Numerical (GEC ALSTHOM)
* MCGG22 and MCGG82 (GEC ALSTHOM)
* MIFII Numerical (General Electric)
* 7SJ5xx and 7SJ6xx Numerical (Siemens)
* SPAJ Series Static (ABB)
* CDG Electromechanical (BBC)
* ICM21 Electromechanical (BBC)
Range of differential relays
* 7UT5xx and 7UT6xx Numerical (Siemens)
* MBCH12 Static (GEC ALSTHOM) with GEC Interposing CTs
* DT92 Static (BBC)
* D202 Electromechanical (BBC) with BBC Interposing CTs
Under Frequency Relay
* FCN 950 (BBC)
* 7RW (Siemens)
Distance Relays
* REL 670 (ABB)
* D 60 (G.E)
* QUADRAMHO (GEC)
* Bus bar Protection relays
* Synch Check Relays
* Under Voltage Relays
WORKED ON RELAY COMMUNICATION SOFTWARES
* MICOM Studio (Areva)
* DIGSI (Siemens)
* Enervista (ABB)
* PCM 600
Major Projects:
* Replacement of faulty distance relay REL316 (ABB) with 7SA522 (Siemens) on 132KV Johar-KDA circuit.
* Replacements of faulty distance relay REL316 (ABB) with D 60 (GE) on 132KV Johar-Malir circuit.
* Installations of Distance relay D 60 (GE) on 132KV Liaquatabad-Civic Center circuit.
* Installation of Distance relay Quadramho (GEC) on 132KV North.Khi-Valika circuit II
* Installations of Distance relay D 60 on 66KV Malir-Gadap circuit.
* Installation of energy meter on 220KV KDA-Jamshoro circuit 1 & 2.
* Comprehensive testing (TTR, Meggar, Winding Resistance, Capacitance and Dissipation Factor test, Short Circuit test, Open Circuit test) carried out of 40MVA Power Trafo 02 at KDA Grid Station.
* Testing and Commissioning of 132KV SF6 CTs on 40MVA Power Trafo 01 at Liaquatabad Grid Station.
* Carry out Tele-protection test (PUTT) on 132KV Maymar-KDA, Memon Goth-KDA circuits.
Bachelors of Engineering - (Electrical) from Quid-e-Awam University of Engineering Science and Technology Nawabshah in 2007
HSCC in Pre Engineering from Board of Intermediate Education Karachi 2002
SSC in Science - from Board of Secondary Education Karachi 1999 Local Trainings:
