Ahmed Farouk MenesyB.Sc., M.Sc., A.Sc, CPT, Member of ASTTBC (ASsociation of Technologists and Technicians of

British Columbia-Canada) E-mail: ahmed.fm2470@yahoo.com

7895 Tranmere Drive, Suite 205, Mississauga, ON, L5S 1V9, CANADA

LINKEDIN profile: http://www.linkedin.com/in/ahmedmenesy

SKILLS:

Project power systems Design, startup, commissioning, maintenance, and

operation.

Design, and Set protection Schemes for low (0.4Kv), Medium (6 & 11) Kv,

and high voltage 66Kv systems.

Design Grounding and Lightning protection grids, as well as Cathodic

Protection systems for above ground and underground storage tanks and

transmission pipes.

Sf6 substation system maintenance, ABB.

Troubleshoot and maintenance of Gen. Sets 2.5 MW (brushless excitation

system).

In-detail operation/maintenance of trio-bus (66, 11, 0.4) kv electrical

substations.

In-detail knowledge of electrical systems including preparation, added extras

and modifications on major and minor circuits.

Maintenance and troubleshoot of the SCR-controlled heating systems.

Heat tracing systems Design and maintenance.

Refineries and hazardous location projects electrical systems design, start-

up, operation then maintenance. (Two major projects ANRPC-Alexandria

National for Refining and Petro-chemicals Co., and QPC-Qaroun Petroleum

Co.).

Capable to perform short circuit, load flow, feeder sizing and voltage drop

analysis manually and using Industrial Standard software packages (PSCAD,

ETAP).

Performing Arc Flash Studies for electrical systems, Hazardous Area

Classification, and grounding/bonding requirements.

Management skills as well as team leading skills.

Design electro-magnetic equipment using Industrial Standard software

packages (ANSOFT MAXWELL), and verify design through (MATLAP). A

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designed a prototype LPMSM (Linear Permanent Magnet Stepper Motor),

still in use in the Arab Academy for Science, Technology, and Maritime

Transportation (AAST-http://www.aast.edu/en/ ).

Selecting and sizing motors (induction/synchronous motors up to 2.5 MW,

11 Kv) for different industrial processes. The commission, startup,

maintenance, and operation/troubleshooting phases are included. This

includes undergoing starting effects study, cable sizing, and selectivity study

of protective relaying. This has been practiced during work period for ANRPC

co. The work hog there is a two-speed, 11 kV, 2.5 MW induction motor,

driving a screw compressor for Hydrogen compression. The motor has been

designed by (Schorch Motor Company /

http://www.schorch.de/html/f,31,High-voltage-machines.htm ), specially to

suite our requirements that we quoted, after assessing process

requirements. Then, commissioned, started-up, and installed by our team of

research and development.

Maintenance and troubleshoot MV induction motors (6 & 11) Kv, (Drive-

Power controlled)/DOL, generators (diesel – turbine) (11) Kv, as well as the

MV/HV transformers (5, 35) MVA, (11/0.4 Kv, 0.4/0.4 Kv, and 66/11 Kv),

both for gas compression and for artificial lifting purposes.

Design and troubleshoot motor control schemes, both DOL and VFD,

Controlled by integrated PLC stations. This includes calibration of existing

controllers and sensors.

Maintenance of industrial UPS, and battery charger systems.

Maintenance of Fluid powered systems automation.

Modifying/Revamping already-existing industrial electrical installations.

Research abilities to investigate technical problems coming up in

professional and scientific approach. The methodology used is that utilized

in lean six sigma projects (Design, Measure, Analyze, Implement, and

Control), all is done in accordance with API, IEC, NEC, ANSI/IEEE, and NFPA

standards.

Experience in oil and gas industrial projects as a senior electrical engineer in

reputed organization.

Plan, organize and direct project execution in accordance with the planned

scope of work.

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Train, manage and evaluate project team members, and design training

courses; then, apply the performance metrics to have hands-on knowledge

progress and effectiveness of the training course materials.

Engineering Technology Support Specialist at the front-line (supervisory

level), raising the level of performance of production/workers, both to assist

the individuals, and to help employers ensure their workforce increases the

company’s productivity and competitiveness through implementation of

Lean 6-Sigma strategies.

Automation Specialist, PLC controlled processes and systems. (Allen Bradly).

Lean Manufacturing Specialist-Lean six-Sigma.

Experience as a Field Service QA engineer and well-grounded in industrial

processes ·ISO 9001:2000, ISO 14001 & OHSAS 18001 management

systems.

EDUCATIONAL/TECHNICAL CREDENTIALS:

Member of ASTTBC (Associate of Technologists and Technicians of British

Columbia).

CPT - Certified Production Technician,(2014) from Manufacturing Skill and Standards

Council (MSSC) – USA. http://www.msscusa.org/production-certification-cpt/

A.Sc. in Engineering Technology, (2014) from Hillsborough Community College

(HCC), Tampa, Florida, USA. http://www.hccfl.edu/.

Hillsborough Community College (HCC)-accredited Automation Certificate.

Hillsborough Community College (HCC)-accredited Hydraulics and Pneumatics

Certificate.

Hillsborough Community College (HCC)-accredited Lean Manufacturing Certificate.

M.Sc. degree in Electrical Engineering, (2005) from Faculty of Engineering – Arab

Academy for Science and Technology (AAST), Alexandria, Egypt.

http://www.aast.edu/en/

B.Sc. degree in Electrical Power Engineering, (1994) from Faculty of Engineering –

Mansoura University, Mansura-Egypt. http://www.mans.edu.eg/en

ENGINEERING/TECHNICAL DESIGN COMPUTER COMPETENCIES:

Etap7 (power systems design and testing).

Ansoft Maxwell for electromagnetic system design and analysis (electromagnetic

machine design).

Matlab2008.

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PSCAD for the design of electrical power systems design, and testing.

COMPUTER SKILLS:

MS Office.

AutoCAD.

Photoshop.

3D-Solid.

WORK EXPERIENCE:

From (May 1st, 1994) to (June 30th, 1995), Electrical Power Engineer in Egyptian

Air Force workshops headquarters located in Cairo.

Job Duties: responsible for troubleshoot, maintenance, and repair of stand-

alone diesel generators (brushless-excited). The brands were mainly

Caterpillar, and of capacities ranging from 60 Kw to 2.5 Mw.

From (June 30th, 1995) to (Jan. 1st, 1997 ), Assistant teacher for Electrical

machined design, and related lab experiments at the Faculty of Engineering-

Mansura University.

Job Duties: lecturing the design principles for electric machines for the two senior

years in the Faculty of engineering-Electrical Power and Machines department.

Designing prototypes, related testing, and performance experiments.

From (Aug. 11 th , 2013) to (Dec. 11 th , 2014) , enrolled for A.Sc. in Engineering

Technology at HCCFL – (Hillsborough Community College – Florida). Advanced PLC

control for motors in industrial processes/Electrical Power and Machined Control.

Job Duties: Study and assist in mentoring students in the related

electrical/electronic subjects, and Lab work.

From (Sep. 10 th , 2000) to (Aug. 11 th , 2013) , Electrical Power Engineer (Operational

Manager of Electrical Power substation for Operation and Maintenance) - Alexandria

National for Refining & Petrochemicals Co. (ANRPC). The company was in the

construction phase by 2000, and we were responsible for the design of the electrical

sysems and all relevant studies. We utilized ETAP for the study of short-circuit

analysis, and the voltage drop study caused by 3 each 2.5 MW motors starting

behavior, and the effect of that on the under-voltage setting of the relays. That was

held during the design phase of the electrical system of (ANRPC) company in 2000,

and later on for the revamping of the units in 2006. The study of the voltage sag

effects had been undergone again, but for the contactors in the motor control

centers. The summary of that study is entailed at the end of the CV.

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Job Duties: responsible for maintenance, operation and troubleshoot:

66/11 kV electrical substation operation and maintenance (SF6 insulating

medium).

Distribution transformers 35 MVA, 5MVA.

Medium and low voltage induction type squirrel cage motors and their

control centres (FVNR, FVR).

VFD controlled motors.

Power factor correction capacitors.

Medium and low voltage circuit breakers.

Emergency diesel generator.

UPS unit, battery charger (SAFT, CHLORIDE).

HVAC system, lighting panels (CARRIER).

Cathodic protection systems design and maintenance for oil storage tanks

(on-ground and aboveground), pipelines and steel structures in different

environments (offshore and on-shore).

Constructed different electrical equipment by using hand tools and power

tools.

Repairing and replace wiring of old installed electrical equipments.

Thyristor-controlled inductrial heaters (ELTRON).

Troubleshooting, Programming and installation of PLC's.

Training new staff on how to install, repairs, and maintain the electrical

tools.

Maintaining, repairing newly, and old installed electrical systems.

Preparing layout and setting up of electrical wiring, based on work condition

and local/international codes NFPA, NEC, and OSHA.

From (Feb. 16 th , 1999) to (Sep. 9 th , 2000) , Electrical Power Engineer - self employed.

Job Duties: Conducting private business concering the design of power systems for

both residential and industrial facilities.

From (Jan. 1 st , 1997) to (Feb. 15 th , 1999) , Electrical Power Engineer - Qaroun

Petroleum Company (QPC).

Job Duties: Maintenance and troubleshoot:

Electrical Motors MV 3.3 Kv & LV 0.4 KV - brands GE, Toshiba, Mitsubishi.

Brushless Generators - brands Caterpillar, Berkens.

Static frequency converters for synchronous generators starting.

Transformers including special-design transformers (Catholic Protection Tr.

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& Welding Tr.).

Electrical Submersible Pumps (MV Motors & Panels) including their VSD

Systems versions for Brands ESB, Centrilift, REDA).

Most of the above mentioned items was listed in a CMMS (Computerized Maintenance

Management System) programs and the maintenance schedule was organized through that

program.

DESIGN, RESEARCH, DEVELOPMENT PROJECTS, AND PAPER PUBLICATIONS:

1. Design of a Linear Permanente Magnet Stepper Motor prototype (2005), this prototype

is still in the Arab Academy for Science, Technology, and Maritime Transport (AAST).

2. Paper published under the title “The Effect of Air Gap Variation on Linear Permanent

Magnet Stepper Motor” in the 5th International Engineering Conference held in Sharm

El-Sheikh resort, Egypt 2006, under the auspices of Mansoura University.

3. Member of the research and development team investigated the phenomenon of

“Voltage Sag Effects on MV Induction Motors” for ANRPC Company in 2000. A Dynamic

Voltage Restorer was installed at the MV bus as per the study recommendations.

4. Member of the research and development team investigating “Mitigating the Effect of

Voltage Depression on Industrial Motor Control Centers Contactors”. It was derived and

considered as expansion of the study in (3). The same principles were implemented

regarding the effect of saturation of the magnetic circuit; investigations related to the

particularity of contactor sizes compared to that of motor cores were just needed. The

summary of the study is followed hereunder:

Introduction:

Electrical contactors are electromechanical devices that are identified as the weak links

in many industrial processes during supply voltage transient events. Contactors act as

ac switches in a variety of electrical systems for both power and control purposes.

Problems may occur when contactors disconnect during power disturbances. Since the

initiating events occur outside the system’s control zone, and are random; the resulting

disconnects may lead to an uncontrolled and possibly expensive process outages.

Study plan: detecting the behavior of the contactors under:

Steady-State min. hold-on voltage.

Point-on-the wave disengagement voltage.

Disengagement of the electrical contactors requires a combination of factors:

Depth of the voltage sag and its duration.

Mechanical system designed so that the electrical contacts engage before the

armature has completed its movement. As a result, the electrical contacts

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engage before the magnetic circuit fully engages and the magnetic circuit

disengages partially before the electrical contacts have disengaged. This

behavior allows for a combination of conditions that will allow the magnetic

circuit to disengage and then re-engage without any disengagement of the

electrical contacts.

Test setup:

AC contactor ABB made, rated 100 A, category AC4, supplied by 220 v, 50 Hz

from a Voltage Sag Generator.

Power supply connected to the contacts so as they output 24 v when fully

engaged and 0 when dropped-out.

Study Methodology:

Steady-State min. hold-on voltage study:

Conducted to establish the Steady-State Min. Hold-on Voltage keeping the contactor

engaged after it picks up completely.

The importance of this experiment is that it provides a baseline to compare contactor

performance during steady-State sags. In other words, we determine experimentally a

contactor min voltage beyond which the magnetic circuit starts to dropout.

The steady state voltage was gradually decreased until the contactor disengaged at

about 40% of nominal voltage, 88 v, which is the same ratio for all contactors having

same magnetic circuit frame and spring stiffness.

Results:

Contactor had been found to be disengaging during sags that never drop below

the Steady-State min. hold-on voltage and that behavior might lead to the

conclusion that contactors exhibit a random disconnect behavior during sags.

This is not the truth as a steady-state study alone neglects the transient

behavior, or point-on-the wave (phase angle), and magnitude of voltage

depression (magnitude).

Point-on-the wave disengagement voltage study:

Conducted to establish the impact of Point-In-Wave (i.e. phase angle) of the initiation of

voltage sags on contactor disengagement. Data was taken to establish the minimum

voltage that would cause the magnetic circuit to disconnect as a function of point in

wave. Data was taken to determine the minimum voltage that would cause the electric

circuit to disengage was established as a function of point in wave. The sags were set for

a duration close to 20 cycles to ensure that the magnetic circuit of the contactor

achieved steady-state and the core is totally magnetized by the sagged voltage.

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Data was taken where the sag occurred at 10 degrees intervals starting after the first

zero crossing.

An indication of the magnetic circuit disconnect was the clearly audible clicking of the

contactor itself as the armature re-engaged with the magnet frame. The status of the

electrical contacts was monitored by attaching a power supply to one pair of contacts.

The oscilloscope showed 5 v when the contacts were engaged and indicated 0 v when

the contacts were open.

Results:

The magnetic circuit first alone disengaged at voltage sags ranging from 147.4 v

to 94.6 v (67% to 43% of nominal voltage), and over points-in wave ranging

from 0 ms to 2.7 ms. Whereas the electric circuit came second, and alone

disconnected at voltages ranging from 136.4 v to 94.6 v (62% to 43% of nominal

voltage), and over points-in wave ranging from 5.2 ms to 8.5 ms depending on

the point in wave where the sag occurred. Over the range of in-wave points

ranging from 2.7 ms to 5.2 ms after the positive zero crossing, both electric and

magnetic circuits disconnected at the same voltage sag level.

The disconnecting voltages were higher than that of the Steady-State Min.

hold-on Voltage (89 v). This could not be achieved using steady-state analysis

alone.

Conclusion and recommendations:

The study of such phenomenon could not have achieved correct goal without

considering the combined effects of the electrical circuit and that of the

magnetic circuit.

The division of these two circuits and subject them into study was necessary to

super-impose their mutual effect to get the conclusion.

The voltage sags can affect contactors at values of depressed voltage values

higher than that of the minimum hold on value due to the point on wave on

which that voltage sag occurs.

Considering the occurrence of voltage sag at the voltage zero crossing would

have a minimum effect as the magnetic circuit is highly magnetized; whereas

occurrence at or near the peak of voltage would be weakening the magnetizing

while in reversal phase, that leads to start to interrupt the magnetic circuit, and

due to the effect of the loading, a counter torque is established opposing drop-

out process. That causes the current in the contactor coil rises to high levels in

the reverse direction.

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The magnitude of the depression percent will be reflected in magnified effect

of that occurring at each point on the wave.

The comparison of the results had shown great resemblance to those held by

other research teams considering the same point.

Fitting a hold-on contacts to ride-through the voltage sags are not going to

eliminate voltage sags totally, it can ONLY pass some incidences.

The mitigation procedure necessitates fitting a DYNAMIC VOLTAGE RESTORER

at the busses having dynamic loads such as large induction motors / dense

concentration of induction motors.

Its feasibility study showed that ROI for this solution would be 3 years. Since

this equipment has been installed in 2009 till date, no single outage incident

has been recorded. The company savings was 500,000 $/y.

Research References:

[1] M. F. McGranaghan, D. R. Mueller, M. J. Samotyj, “Voltage sags in Industrial

Systems,” IEEE Transactions on Industry Applications, Vol. 29, No. 2, March/April, 1993.

pp. 397-403.

[2] H. P. Neff, Basic Electromagnetic Fields, Harper and Rowe, New York, 1981, pp. 253.

[3] H. C. Roters, Electromagnetic Devices, John Wiley, New York, 1941, pp. 468.

[4] M. A. Bridgwood, “Modeling AC contactor Point-on-Wave Drop-out Characteristics,”

Submitted to IEEE Transactions on Power Delivery, January 1997.

[5] “The Impact of Power System Disturbances on AC-Coil Contactors”, E. Randolph

Collins, Jr. and Michael A. Bridgwood, Department of Electrical and Computer

Engineering, Clemson University, Clemson, SC 29634-0915 USA.

Study & research team members:

Dr. Eng. / Tarek El-shennawy, Ph.D.Acting Electrical Substations Maintenance and Operation Sector ManagerE-mail: tshennawy@yahoo.com Cell. : +20 (122) 392 6297

Eng. / Ahmed Abdul-Monem, B.Sc., A.Sc.Acting Sector Manager for Research and DevelopmentE-mail: ahmedbsam@yahoo.com Cell. +20 (114) 160 1118

Eng. / Ahmed Farouk Menesy, B.Sc.,M.Sc., A.Sc., CPTOperational Manager of Power-StationsE-mail: ahmed.fm2470@yahoo.comCell. +1 (813) 482 1311

REFERENCE PERSONNELS:

Alessandro Anzalone, Ph.D., CPTHillsborough Community College - Brandon

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CampusProgram ManagerEngineering Technology10414 E. Columbus DriveTampa, FL 33619-7856, USATel. +1 813 399 7253 E-mail: aanzalone2@hccfl.edu Glorianna RhodesHillsborough Community College – Dale Mabry CampusProgram Manager4001 W. Tapa Bay Blvd. Tampa, FL 33614-7810, USATel. +1 813 253 7314E-mail: grhodes@hccfl.edu

Miguel Angel GarciaHillsborough Community College - Brandon CampusProgram ManagerFlorida TRADE Grant (FLATE)10414 E. Columbus DriveTampa, FL 33619-7856, USATel. +1 813 259 6560E-mail: mgarcia147@hccfl.edu

Eng. / Gamal Ibrahim AhmedElectrical Power Directorate General ManagerCell. : +20 (111) 777 2732 / +20 (100) 528 1568E-mail: electrical@anrpc.com

Dr. Eng. / Tarek El-shennawy, Ph.D.Acting Electrical Substations Maintenance and Operation Sector ManagerCell. : +20 (122) 392 6297, EGYPTE-mail: tshennawy@yahoo.com

Eng. / Ahmed Abdul-Monem, B.Sc., A.Sc.Acting Sector Manager for Research and DevelopmentCell.: +20 (114) 160 1118, EGYPTE-mail: ahmedbsam@yahoo.com

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