Mohamed Serry

Experience

• 

  Almohandes

  Nov 2012 - Mar 2013

  Electronics Maintenance Engineer

  Job responsibilities:------------------------------1- Repair and maintain: - Different types of electronic cards of machines like (compressors, injection, texture, etc) - Different types of low power variable speed drives like (Siemens Micromaster 420, ABB ACS550 ) power and control circuits2- Have a very good knowledge of different types of electronic components and power electronics components (SCR, IGBTs, MOSFETs, Etc)3-Design simple PCBs using EAGlE and NI Multisim programs 4- experienced in soldering and desoldering of electronic components on PCBs5- Checking and testing different types of ICs linear and nonlinear Show less

• 

  ASEC Automation

  Mar 2013 - now

  Electrical Maintenance Engineer

  Work as an electrical \ instrumentation \ automation engineer in BMIC cement company :-Job responsibilities:1-Testing, maintain and repair of MV A.C motors (11KV, up to 3MW) carbon brushes, slip rings, motor connection, liquid starters, bearing, cooling fans, etc.2-Testing, maintain and trouble shooting of power transformers (11KV/690V , 11KV/380V) with different power rating (500KW,1000KW,1.5MW,2MW,etc)oil test, insulation test , cooling system, protection circuits, turns ratio, tap changer , connection and terminals check , etc.3- Medium voltage switchgear (11Kv , up to 1250AMP) maintenance and trouble shooting -using Schneider Sepam protection type (S20-S40-S80) 4- Maintain and repair:- - Low voltage motor control center, including (C.B, contactors, overload, relays, etc) - Low voltage compensation panels for P.F correction - Medium voltage capacitor bank for P.F correction 5- I have worked on different types of variable speed drives; maintenance and trouble shooting - Low power (ABB ACS550 , ACS800 – Siemens Micromaster 440,420) - High power ( ABB ACS1000 , Siemens Sinamics G150 ,G120) 6- All ACC, MCC, MDP panels 7- Local panels like (Reclaimer, Stacker, Bulk loading, Compressors, boilers, burners cooler hydraulic, VRM hydraulic)8- Packing machines type Haver & Bocker 9- Bag house filters 10- Schenck weighing systems (DISOCONT)11- Maintain and repair UPS and Battery charger panels and power supplies 12- Instrumentation (proximity sensors, level switches, radar levels, pressure switches, speed monitors, load cells, encoders, thermo couples, PT100, pressure transmitter vibration transmitters, dampers, transducers, etc) 13- Automation : worked on Siemens PLCs S7-300/400, Simatic manager, CFC Simatic WINCC ; modification and trouble shooting Show less

• 

  Electricity And Energy Channel

  Sept 2018 - now

  Founder

  Technical content creator , Producing video tutorial & Tech. Episodes on My YouTube channel "Electricity And Energy" , all about electricity , Power Systems , Control , instrumentation and PLC---------------------------------You can visit from here : https://www.youtube.com/channel/UC8LXbhiGOaGbywNrhZ8fR1w/videos