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PROFILE PENULIS

ROMELI

 

A Senior Electric/Instrument Electro Mechanism Engineer with a wide range of experience in the copper smelter & refinery. Able to work on own initiative and as part of a team. Proven leadership skills involving managing, developing and motivating teams to achieve their objectives

 

RELEVANT SKILLS

Have special experiences on improving copper smelter plant and sulphuric acid plan.

Maintenance of existing plant equipment for necessary repair to production machinery quickly and economically and anticipate these repair. Have skill to determinate work priority. Justify the size of own work force by evaluating the type of work involved; amount and expediency with these must be accomplished. Have experience to set-up and calculate field instruments. Have ability in automation & control using PLC, DCS and Inverter.

 

WORK EXPERIENCE

 

Copper  smelter and Refinery  Mitsubishi Material Gresik, Indonesia

Detail as follows:

2006- present :

1. Lead of Electric/Instrument  Engineer for the following sub plant: Copper Smelter, Casting, Row material handling, off shore equipment and Utility.

o        Member of energy saving team.

o        Member of expansion project engineering to pick up the current performance and it problem related with up     grading capacity (2008-2009).

o        Following up all kind of problem / work from shift coverage, and make schedule for permanent repair.

o        Re-engineering for repeated problem on machine, and improve their environment to achieved highest reliability of equipment.

o        Prepare the need of equipment overhaul and select the priority of these works.

2002- 2006 :

2. Senior Electric/Instrument Engineer, Anode Furnace and Continues Casting Machine.

• Lead the Maintenance Integrity team in Electric and Instrument Maintenance Section especially for Anode Furnace and Casting area.
• Improve sequential of Hazelette continues strip casting. Develop new emergency stop system to increase machine reliability and remove trouble that caused by human error.
• Increase the performance of casting success ratio from 84% (1997-2002) up to 99.99% (2004 until now) by additional reject system, modify pneumatic valve and hydraulic system.
• Increase anode good ratio from 78% (1997-2002) to 99% (2005 until now) by sensor improvement and heat control system modification.
• Establish preventive maintenance procedure and develop that procedure in to ISO 9001.

1997-2002

3. Electric Field Engineer, Raw material handling and Smelter Feeding system

 

• Lead the Maintenance Integrity team in Electric and Instrument Maintenance Section especially for raw material handling system.
• Responsible for improve performance of equipment (ship loader, grab un-loader, air compressor, conveying material, sea water pump, power distribution, remote instrument, etc).
• Field engineer for commissioning of raw material handling and utility plan

 

 

 

 

EDUCATION

1. Industrial Management Magisterial Management of Technology (MMT), ITS. Field study of industrial technology. (in progress 2009~2011)

2. Electrical Engineering Sepuluh Nopember Institute of Technology (ITS), field study of electrical engineering, majoring in Control & system degree by GPA (3.02 of 4.0), 1997.

3. On the job training Cement Industries of TONASA Ltd in study of Electric precipitator troubleshooting and scheduled maintenance system, 1996.

TRAINING

1. DCS Yokogawa              Cs-3000 Operation – Engineering and Maintenance 2007.  Yokogawa Exaquantum by Yokogawa Jakarta in installation and operation of server, OPC client, reporting, and data connection to JDE accounting server, 2005.

2.Supervisory training Dale Carnegie management system, 2003-2005

7-Quality Control tools

3. DCS MIF system Training Centum CS MIF at Yokogawa,2004.

4.PLC Siemens Programming and configuration, 2004.

5 PLC Allan Bradley SLC500 programming, RS-485 networking, panel-view, 2003

6. Quality Control ISO 9000, internal quality audit by PT.Surveyor Indonesia

7.DCS Yokogawa Centum Cs, Centum xl, fundamental and engineering system, 2002

8.Mitsubishi PLC Programming, network configuration, MMI system, 2001-2002,2006

Professional Experience:

DCS up-grade project (2011 in progress)

Re-newal Yokogawa DCS centum-cs to Centum-vp, evaluate I/O and communication module, connection data to PLC and scale

Up-grade Electro static precipitator (ESP casellete retrovit )(2011)

Re-newal main control board for electro static precipitator, and connect the data through mod bus (using CAN opener)

Motor capacity and cyclogear motor evaluation (2010)

Power saving project, replace with smaller motor, instal inverter etc.

Install MCC current monitoring through PLC Network ( June 2009)

1. Pulling data of motor control centre by CDL (current, setting etc)
2. Install trending data record for trouble shooting using soft GOT and DB record.

Increase Feed rate / up-grade (Mitsubishi process) (2007-2009)

1. Planning & drafting of electrical, pneumatic & instrumentation for new facility.
2. Review due date & arrange tie-in schedule

DCS migration / up-grade (Yokogawa Cs-3000) (December 2007)

1. Install DCS & Optic Network
2. Replace Operation console and re-arrange operation procedure.
3. Improve sequential & Tuning
4. Connecting to PLC subsystem (AB, Melsec, Yamato Scale )

PLC migration (Mitsubishi Q-series & PLC network) (May 2006 and May 2008)

1. Replace PLC CPU with Q-series
2. Replace Network Melsecnet II to Melsecnet H
3. Re-configuring Profibus network

Improve Hazelette Continues Strip Casting machine ( 2003-2004)

1. Modify Synchronization system to improve anode good ratio
2. Modify heat control topology to increase controllability of product.
3. Design new mechanical sensors for detect anode synchronization.
4. Applied Optical laser sensor for anode strip temperature measurement.

Improve Shear machine (Continues casting) (2004)

1. Installation Citect HMI and trending data for troubleshooting.
2. Modify hydraulic servo control to improve life of servo unit.

Citect HMI configuration (2004)

1. Modify Citect server become distributed server to increase redundancy communication system and install primary / secondary server on one network to backup trending data.
2. Setting acquisition data speed to increase reliability of citect performance.

Ship Loader/Unloader (2001)

Commissioning team for handover grab unloader system. Improve performance on jetty and wharf conveying system. Set speed parameters for extend life of grab facility.

Field Instrument (2000-2001)

Joint with Great Maintenance Team to manage several capital projects included detail engineering, installation and commissioning.  Calculate Flow meter such as orifice sizing, pitot tube design and small flow meter sizing.

High Temperature sensor ( 2004)

Design thermocouple S-type with Curimax shield (high chrome) to measure 1000DegC off gas. Calculate optical laser sensor to measure anode strips at casting area (up to 980 DegC).

PLC and DCS configuration (2004)

Connected the PLC MELSEC-A to the FCS by communication package link ACM11 or ACM12 .The accessible devices of the MELSEC-A CPU are Input relay, output relay, internal relay, link relay, data register, counter.

Modbus DCS configuration (2003)

Connected Yamato scale to SCIU communication interface unit by ACM12 RS-422/485 module using modbus protocol, which is used as an I/O module for the FCS

MCC for LV motor and Switch gear  for High voltage motor (6 kV)

1. Maintenance MCC and Switch gear
2. Calculation of MCC and Switchgear for New motor

Cathodic protection system (2000-2002)

1. Design Calculate cathodic probe for wharf system.
2. Calculate current nominal for Jetty & wharf protection system.
3. Measure and record potential values of the structures relative to the reference electrodes.
4. Adjust the DC output of each transformer if necessary.