أحمد إبراهيم عبد السميع

Site manager for Majmaah Sports City, responsible for all city operations including maintenance and cleaning.

Site manager for King Abdullah Sports City, responsible for all city operations including maintenance and cleaning.

I worked for the company as a medium voltage maintenance and operation engineer in King Salman Specializer Hospital in each of :-
1- Step-down transformers 13.8/0.42KV (oil for Al Fanar Company and dry for Schneider Company)
2- DMCR protection device for oil (level, temperature and pressure). 3- Conducting cable termination with the help of the Saudi Electricity Company.
4- Range Main Unit( RM6 and SM6) equipped with a VIP45 protection device for Schneider Company
5- Switchgear each cell has a (SEPAM) protection device for (over and under voltage, phase and earth faults..
6-Battery charger (TELETECNICA System)
7- UPS & ATS
8- VFD (Variable Frequency Drive) at chillers and boiler
9- generators (MTU onsite energy 1800 RPM 3000 KW 13800V 162 A 60 HZ 3871 KVA)
10- Testing & commissioning for transformers(power-CTs-VTs) and protection (under and over voltage) relays

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I work in the company as an undervoltage line engineer to maintain electrical insulators from contamination due to service interference and lack of interruption of alternating current. Maintenance is also done by mechanical washing under voltage or dry maintenances
Erection& repair & Maintenance of (high voltage overhead transmission lines) (500 - 220 - 132- 66 - 33 kv ).
Maintenance of insulators.
Thermograph of power transmission lines and substations.
Hot washing of substation equipment
Well reader for HV/EHV transmission lines layout & perform it
preparing of main item for overhead line tenders & contracting conditions
Use of safety equipment for HV systems.
Good knowledge with substation equipment & power load flow.
Installing of OPGW for lines (66 -220) K.V. live working
Well knowledge with design calculations of towers (steals lattice -conductors - insulators- foundation - OPWG line & earth network).
High voltage maintenance cables 66, 33& 11k.v (joints - terminations).
using cables fault determination by car fault
Live working of power transmission ( potential method, distance method )
good communication skills with others & team work.
(China) Inspector of fiber optic cables and OHTL elements in country and out country
Achievements and responsibilities
maintenance and Thermograph high voltage overhead transmission lines

Executing the works of Replacing the overhead ground wire with OPGW lines
Toshka / High Dam 220 kV.
Implementation of conductor replacement works for the Benban 1/Salwa connection lines, with 220 kV, and a length of about 63 km, two circuits, using new thermal conductors (2 * 357/54 ACSS / TW) instead of (2 * 380/50 ACSR)
supervising of implement works the electrical TL(BENBA/ TOSHKA2)500kv
supervising of implement works the electrical TL ( TOSHKA 3/ TOSHKA2)220kv
supervising of implement works the electrical TL ( TOSHKA 4/ TOSHKA2)220kv
I worked on implementing a 220 kV electric line project between Egypt and Sudan
Implementation of the Benban solar power station and the 500 kV electrical power coming out of it
3- Implementing electrical lines with a voltage of 66 kV in Toshka
Background in solar energy for practical rule in solar power stations in
Beban
Measurements, commissioning and tests at transmission line sites and within electrical transmission stations
Testing & commissioning for transformers (power-CTs-VTs) and protection (under & over voltage - distance-differential) relays and cables

I used to work at the company as a control engineer and transformer maintenance engineer
Measurement of auxiliary and thermal relays, overloads, timers and switchegears at LV&MV and HV.
Skilled at work on frequency converters and soft starters
Experience in PLC and DCS system
Work on electrical maintenance of elevators and railings