90 percent of Mindanao grid experienced black out

October 28, 2007 Davao Light experienced a total black out of the whole franchise only the downtown area and hospital are automatically on because we have a back up power generator. The main cause is from TRANSCO the reason state below as our supervisor receive a text.


Transco Iligan MRCC. Please be informed that the system experienced major system trouble at 1:04 pm today. The following 138 kv lines trip affecting 90% of mindanao grid: agus 2- kibawe line 1 and 2, abaga-agus 2 line 1 and 2, abaga agus 6 line 1 and 2, abaga-tagloan, abaga-aurora, abaga-lugait, lugait-tagaloan. Initial finding, abaga-agus 6 line 1 conductor flashover/melted at agus 6 switchyard.

Electronics Link Motor, Tutorial, Trouble shooting, Digital, and Repair

Electronics Link Motor, Tutorial, Trouble shooting, Digital, and Repair

Control of Stepping Motors
Types of Stepping Motors, Stepping Motor Physics,Basic Control Circuits , Stepping Motor Control Software ,
http://www.cs.uiowa.edu/~jones/step/



PHYSICS TUTORIALS
Torque and Rotational Motion, DC Circuits,Free-Body Diagrams,Simple Harmonic Motion, Solutions to Self Tests,SAMPLE EXAMS.
http://www.physics.uoguelph.ca/tutorials/tutorials.html


Electronic Troubleshooting
Series Circuit, Networking Troubleshooting, Power Supply, Digital Troubleshooting, OP Amp Troubleshooting, Transistor Circuits, Basic Computer.
http://www.science-ebooks.com/WorkBook/



Electronics Play Hookey.com
Digital, Logic Families, Digital Experiments, Analog, DC Theory, AC Theory, Optics, Semiconductors
http://www.play-hookey.com/digital/



OSCILLOSCOPE TUTORIALS
What Can You Do With Oscilloscope? , Analog and Digital , How Does an Oscilloscope Work?, Equivalent-Time Sampling,Real-Time Sampling with
Interpolation, Digital Oscilloscopes,Analog Oscilloscopes.
http://www.hobbyprojects.com/oscilloscope_tutorial.html



Electronics Repair
Troubleshooting and Repair of Consumer Electronic Equipment,Audio Equipment and Other Miscellaneous Stuff, Optical Disc Players and Optical Data
Storage Drives, Microwave Ovens, Small Switchmode Power Supplies, Electronic Flash Units and Strobe Lights,Small Engines and Rotary Lawn Mowers.
http://www.repairfaq.org/REPAIR/F_Repair.html

90 percent of Mindanao grid experienced black out

October 28, 2007 Davao Light experienced a total black out of the whole franchise only the downtown area and hospital are automatically on because we have a back up power generator. The main cause is from TRANSCO the reason state below as our supervisor receive a text.


Transco Iligan MRCC. Please be informed that the system experienced major system trouble at 1:04 pm today. The following 138 kv lines trip affecting 90% of mindanao grid: agus 2- kibawe line 1 and 2, abaga-agus 2 line 1 and 2, abaga agus 6 line 1 and 2, abaga-tagloan, abaga-aurora, abaga-lugait, lugait-tagaloan. Initial finding, abaga-agus 6 line 1 conductor flashover/melted at agus 6 switchyard.