K. Ilango has over 10 years of experience in electrical and electronics manufacturing testing, PCB debugging, rework, and equipment maintenance. He has a proven track record of debugging hardware failures and resolving complex issues. Ilango is skilled in testing equipment operation and maintenance, and aims to contribute to organizational growth through effective problem-solving and teamwork.
COVERS THE LAYOUT AVAILABLE FOR ADOPTION WITH AN EYE ON EASY MAINTENANCE .The layouts were evolved by the author and his associate for use by power boards
COVERS THE LAYOUT AVAILABLE FOR ADOPTION WITH AN EYE ON EASY MAINTENANCE .The layouts were evolved by the author and his associate for use by power boards
This directional over current relay employs the principle of actuation of the relay....It has a metallic disc free to rotate between the poles of two...
The documents gives the transmission losses for Panther & Zebra Conductors over 1 KM for a 40 MW Solar Power Plant. The loss can range from 0.37% per KM for a 261 sq mm Panther Conductor at 33 KV to 0.01% per KM for 484 sq mm Zebra Conductor at 132 KV.
Power transformer manufacturing process and testingSai Kumar
in this detailed explanation about how the transformer is manufactured and it is beeing tested with the clear description of pictures...hope you will like it
Multicast Traffic Filtering for Sampled Value Process Bus NetworksDavid Ingram
Industrial network traffic management for IEC 61850-9-2 process bus networks using a combination of VLAN and multicast filtering. Presented at IECON 2011 in Melbourne Australia.
Transformer vector group_test_conditionsSARAVANAN A
Test Conditions for various vector groups commonly under use are listed along with pictorial representation. Assuming the reader has sufficient exposure to transformer winding connections.
Transformer Vector Group Test conditions
YNd1, YNd11, Dyn11, YNyn0and more
On Load Tap Changer (OLTC) is used in "High Power Transformers" to control output voltage, when electric load on transformers get increase the output voltage get decrease due to internal voltage drop inside winding, change in tap is required to maintain output voltage. OLTC is a device which perform tap changing in High Power Transformers during On Load conditions and is powered by a motor.
In This PPT we are discussed about complete details of that product (Use,Operation, Technical details, Dimensions, Wiring, and etc..)
Please Support us and Follow our other Sites
https://automationtechplc2.blogspot.com
https://humidificationcontrol.blogspot.com
https://controlsandsystems.business.site
If you enjoyed this article, share it with your friends and colleagues
MO SURGE ARRESTERS - METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING S...Power System Operation
MO SURGE ARRESTERS -
METAL OXIDE RESISTORS
AND SURGE ARRESTERS
FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS
Online Condition Monitoring And Diagnosis Of Power Transformers Their Bushin...vvsatyanarayana K
A bushing must be designed to withstand the electrical field strength produced in the insulation, when any earthed material is present
In a Oil-filled power transformers, their bushings, tap changer, insulation system and auxiliary equipment are critical to the operation of every electrical power system to such an extend that their reliable and uninterrupted functioning is a key factor in profitable generation, transmission and distribution.
Recent years on-line monitoring systems have been installed in a large scale at power transformers.
Undergone on-job training in various streams of Test (Labview & Test stand Application development,NPI, Test Engineering, Manufacture Engineering and Diagnostic Engineering) for a period of a year in last 13 years.
Very Strong Programming knowledge in LabVIEW – NI-DAQ - Teststand
Hand on experience in executing project with NI DAQ system (PCI,PXI NI-DAQ,
RS-232 and GPIB instruments
Involved in Equipment & Instrument selection and procurement activities
Commissioning Experience of Testing Lab
Having good working knowledge with different sensors and Instrumentation
Hand on experience in designing signal conditioning and driver hardware circuits
Good team player, keen learner, problem solving ability and effective communicator
Experience with electronic circuitry (Analog/Digital)
Fluent in schematics diagram/circuitry and components specs.
Deploy myself to Plan, establish, and maintain Test & Debug setup in India Factory and get certified by the customer.
Installing Production Support Software’s and Application tool.
Follow quality policies like “Gauge Repeatability & Reproducibility (GRR), Calibration, Correlation principles” for qualifying the test setup.
Maintain DPHU (Defects per Hundred units) rate under control, yield rate, production down time by stabilizing the test setup and troubleshooting the problems that arise during the production.
Report bugs to developers and maintains documentation of test results and ensure closure.
Knowledge to handle and utilize compensate techniques in ICT (Agilent i3070).
This directional over current relay employs the principle of actuation of the relay....It has a metallic disc free to rotate between the poles of two...
The documents gives the transmission losses for Panther & Zebra Conductors over 1 KM for a 40 MW Solar Power Plant. The loss can range from 0.37% per KM for a 261 sq mm Panther Conductor at 33 KV to 0.01% per KM for 484 sq mm Zebra Conductor at 132 KV.
Power transformer manufacturing process and testingSai Kumar
in this detailed explanation about how the transformer is manufactured and it is beeing tested with the clear description of pictures...hope you will like it
Multicast Traffic Filtering for Sampled Value Process Bus NetworksDavid Ingram
Industrial network traffic management for IEC 61850-9-2 process bus networks using a combination of VLAN and multicast filtering. Presented at IECON 2011 in Melbourne Australia.
Transformer vector group_test_conditionsSARAVANAN A
Test Conditions for various vector groups commonly under use are listed along with pictorial representation. Assuming the reader has sufficient exposure to transformer winding connections.
Transformer Vector Group Test conditions
YNd1, YNd11, Dyn11, YNyn0and more
On Load Tap Changer (OLTC) is used in "High Power Transformers" to control output voltage, when electric load on transformers get increase the output voltage get decrease due to internal voltage drop inside winding, change in tap is required to maintain output voltage. OLTC is a device which perform tap changing in High Power Transformers during On Load conditions and is powered by a motor.
In This PPT we are discussed about complete details of that product (Use,Operation, Technical details, Dimensions, Wiring, and etc..)
Please Support us and Follow our other Sites
https://automationtechplc2.blogspot.com
https://humidificationcontrol.blogspot.com
https://controlsandsystems.business.site
If you enjoyed this article, share it with your friends and colleagues
MO SURGE ARRESTERS - METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING S...Power System Operation
MO SURGE ARRESTERS -
METAL OXIDE RESISTORS
AND SURGE ARRESTERS
FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS METAL OXIDE RESISTORS AND SURGE ARRESTERS FOR EMERGING SYSTEM CONDITIONS
Online Condition Monitoring And Diagnosis Of Power Transformers Their Bushin...vvsatyanarayana K
A bushing must be designed to withstand the electrical field strength produced in the insulation, when any earthed material is present
In a Oil-filled power transformers, their bushings, tap changer, insulation system and auxiliary equipment are critical to the operation of every electrical power system to such an extend that their reliable and uninterrupted functioning is a key factor in profitable generation, transmission and distribution.
Recent years on-line monitoring systems have been installed in a large scale at power transformers.
Undergone on-job training in various streams of Test (Labview & Test stand Application development,NPI, Test Engineering, Manufacture Engineering and Diagnostic Engineering) for a period of a year in last 13 years.
Very Strong Programming knowledge in LabVIEW – NI-DAQ - Teststand
Hand on experience in executing project with NI DAQ system (PCI,PXI NI-DAQ,
RS-232 and GPIB instruments
Involved in Equipment & Instrument selection and procurement activities
Commissioning Experience of Testing Lab
Having good working knowledge with different sensors and Instrumentation
Hand on experience in designing signal conditioning and driver hardware circuits
Good team player, keen learner, problem solving ability and effective communicator
Experience with electronic circuitry (Analog/Digital)
Fluent in schematics diagram/circuitry and components specs.
Deploy myself to Plan, establish, and maintain Test & Debug setup in India Factory and get certified by the customer.
Installing Production Support Software’s and Application tool.
Follow quality policies like “Gauge Repeatability & Reproducibility (GRR), Calibration, Correlation principles” for qualifying the test setup.
Maintain DPHU (Defects per Hundred units) rate under control, yield rate, production down time by stabilizing the test setup and troubleshooting the problems that arise during the production.
Report bugs to developers and maintains documentation of test results and ensure closure.
Knowledge to handle and utilize compensate techniques in ICT (Agilent i3070).
10+ years experience in Testing, debug ,Rework and Equipment maintanance .
1. K.ILANGO
10+ years of Experience in Electrical & Electronics Manufacturing
Testing, PCB Debug (Repair), Rework & Equipment Maintenance
: +91 9094477260 Skype ID : ilango.krishnan Email ID:krishnanilango@gmail.com
Objective Carrier:
To succeed in an environment of growth and excellence and earn a job which provides me job Satisfaction
and self-development and help me achieve personal as well as organization goals.
Summary:
10 years’ experience in production operations for Testing, PCB Debugging (Repair), Rework and
equipment maintenance in Electrical & Electronics manufacturing service industry.
Ability to debug hard chronic failures Equipment PCBA Level, Box Build, Rma’s (UNIT Level) failures.
Installation and maintenance the ICT (In circuit tester, Agilent I3070), FCT (Functional Tester) Machine.
To setup the Test stations for the mass production and for NPI product.
To do maintenance and Calibration of the testers periodically.
Generate the test report, pie-chart for daily and weekly to share with the related departments for the
tester yield.
To solve the test critical issues by communicating with Customer.
Having Knowledge of Instruments like Multimeters, Oscilloscope, LCR Meter, CMU, Spectrum Analyzer,
and Power supply.
Expertise in the reworking of SMT components, BGA rework in SUMMIT 1800.
Providing hardware & software related solutions for complex faults.
Having knowledge of Electronic SMT components and 5S, ESD, ISO and MSD.
Core Functional Strength:
Failure Analysis(Debug) -Testing - Rework (SMD, THD)
Production -Maintenance -Quality Assurance
Technical Support - New product Development
Equipment and Document Used to Identify Root cause:
General Equipment’s:
Analog and Digital Multimeters.
Oscilloscopes.
Spectrum Analyzer.
LCR Meter.
Tone ohm Meter.
Documents:
Customer Documents like Schematics (electronics & Mechanical Assembly) and troubleshooting guide.
CAD files (Allegro, IGE), Board files and BOM.
Equipment Used to Rework Failure Components:
SUMMIT 1800 BGA Machine.
OKI APR 5000 XLS BGA Machine.
OKI Soldering Stations.
OKI Hot Air Guns and Pre-heaters.
2. Key Strength:
To work at a challenging environment where and by which I can develop challenging skills and apply my
thoughts for the growth of the organization.
An efficient Communicator, interpersonal, analytical & problem solving skills.
To work as a team member and with a team.
Dedicated work plan.
Self-motivated and quick learner.
Present Employer:
Since APRIL 15 to Till now with Flextronics India PVT Ltd, Chennai.
Flextronics is a leading MNC, U.S.-based electronics manufacturing services (EMS) provider. Key
Product includes Telecommunication, Network, Mobile, and Power supply Products.
Junior Engineer and Team leader (Grade 23), reporting to Senior Engineer/Manager.
Key Deliverables:
Responsible for Testing and troubleshooting of product failures and provide quick solution and reduce
down time for production target achievement.
Debugging and troubleshooting of failure PCBA’s using Schematic Diagram of the Product.
I have challenging experience in various fields such as Testing & Customer support on test solutions for
the new products. Servicing & trouble shooting for test stations, test fixtures.
Pre Documents preparation (SOP, Check lists, Work Instructions) and maintenance check list.
NPI testing documents preparation for tester validation and GRR.
Good Understanding of Analog & Digital circuits, RF Circuits and power supply circuit.
Providing hardware & software related solutions for complex faults.
Technical Resolution - a quick learning skill helped to keep technical knowledge to keep updated.
Training/Development - Implemented best practice/training sessions for team members.
Handled all technical responsibilities confidently.
Expertise in working in fast paces high tech environment requiring skills in scheduling, management and
team building.
Previous Employer:
MAR 08 to APRIL 15 with Sanmina India PVT Ltd, Chennai.
Sanmina is a leading MNC, U.S.-based electronics manufacturing services (EMS) provider. Key
Product includes Telecommunication, Medical, Network, and Industrial Products.
Engineering Assistant and Reporting to Senior Engineer/Manager and leading a team of 8.
Key Deliverables:
Debugging and troubleshooting of failure PCBA’s using Schematic Diagram of the Product.
Specialized servicing models - Telecommunication, Defense, Networking, Medical and power supply
(SMPS and UPS) products.
Quick Learning of Circuits and Troubleshooting Principles when new Products introduced.
Analysis of process failure, field return failures and initiate corrective action for those in futures.
Reduce process & test related failures in production area (Handling, solder issue, software corruption).
Reduce the PCB scrap rating in repair area.
Capable of troubleshooting microcontroller, microprocessor, CPLD and FPGA hardware based products.
Exposure in debugging of JTAG-Boundary scans failures.
Installation and maintenance the ICT (In circuit tester, Agilent I3070), FCT (Functional Tester) Machine.
All tester maintenance in daily, weekly and monthly, maintain check sheets.
Monitor the failure rate by following first pass yield in tester.
Involved in Environmental Stress Screening.
3. Previous Employer:
Mar 06 to Mar 08 with Avalon Technologies as Technician, Chennai.
Indian based electronics manufacturing company. Key products include Networking, power supply, and
Gps products.
Key Deliverables:
Analyzing the PCB cards, debugging and rework the PCB cards with help of schematic Diagram.
Analysis of failure and find the root cause and controlling the process.
Analysis the Calibration Process in all using Calibration Equipment’s.
Performing the functional testing of PCB assembly boards by driving of operators.
Test and qualify the test equipment by conducting Gauge R&R.
Reduce the WIP Inventory in analyzing / repair area by debugging aging PCBA’s.
Education:
Diploma (Electronic & communication) from Technical state board in 2006, (72.3% First class).
H.S.C (Physics, Math’s) from state board in 2003, (73.6%).
S.S.L.C from state board in 2001, (81.6%).
Job skill:
Known well Operating computer (MS Office).
5S, six sigma.
Electro Static Discharge [ESD].
Surface Mount Technology [SMT].
Through hole Technology [THT].
International Organization for Standardization [ISO].
Personal Details:
Name : Ilango.
Date of birth : 09-05-1986.
Marital Status : Married
Nationality : Indian.
Languages Known : Tamil, English, and Kannada
Pass port no : H6725119.
Place of issue : Madurai.
Date of issue : 21/08/2009.
Date of Expiry : 20/08/2019.
Declaration:
I hereby declare that all the above given information are true and correct to the best of my knowledge and belief.
(K. Ilango)