Ver Pangonilo, PEE RPEQ

Filipino Engineer


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New Career Path, New Challenges

Posted by Ver Pangonilo on July 22, 2017 under Life

Changing career path is easier said than done. Success rate is low. Being middle age even makes it more difficult. There are lots of challenges in this endeavor. Top of the list is performing according…

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A Career Redirection

Posted by Ver Pangonilo on June 29, 2017 under Life

The plunge of the oil price since three (3) years ago have sent oil and gas practitioners like myself to unemployment. Until now there has been no signs that, despite its resilience from previous crises,…

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Protection of the Neutral Conductor

Posted by Ver Pangonilo on May 20, 2017 under Design, Harmonics, IEC

Overload detection shall be provided for the neutral conductor in a multi-phase circuit Where the cross-sectional area of the neutral conductor is less than that of the line conductors. The overcurrent detection for the neutral…

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Power Electronics Converter Harmonics: Multipulse Methods for Clean Power

Posted by Ver Pangonilo on May 17, 2017 under Book Review

Power Electronics Converter Harmonics: Multipulse Methods for Clean Power Derek A. Paice Harmonics generating non-linear electrical equipment is here to stay. There will be more non-linear equipment to be installed to serve as solutions to…

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Arc Flash – Hazard and System Grounding

Posted by Ver Pangonilo on May 6, 2017 under Design, IEEE

IEEE 1584 Guide Equation for calculation of incident energy has a factor K2 for system grounding. It is zero for ungrounded and high or low resistance grounded systems and −0.113 for the solidly grounded (earthed)…

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Tutorials

MVA Method

At this times where supercomputers could fit into a mobile phone and utility softwares are always available to do particular tasks, most Electrical Engineers tend to forget how to implement hand calculations, have already forgotten…

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Short Circuit Study
What is a Short Circuit Study? A short circuit...
MVA Method Short Circuit Calculation
A Short Circuit Study is an important tool in...
MVA Method Load Flow Calculation
In previous tutorials for the MVA method, we have...
MVA Method for 3-Winding Transformer
In previous tutorials, the examples provided were mostly for...
Complex MVA Method – Part 3
In Part 2, we have seen how to combine...
Complex MVA Method – Part 1
The normal MVA method, despite its simplicity, provides only...
Complex MVA Method – Part 2
After presenting the equations that we will be using...
Complex MVA Method – Part 4
In Part 1, Part 2, and Part 3 of...
Short-circuit apparent power of the system
When doing power systems study, it always the predicament...
Combining KVAs
KVAs in series. The total KVAs in series (KVAtotal)...

Cable Selection

Cable Selection – Single Phase Earth Conductor Sizes Fault Loop Impedance High Voltage Cable Selection – Underground

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Cable Selection – Single Phase
Note: This will be the first of a series...
Fault Loop Impedance
Note: This is the second part of a series...
Cables Selection for Motors
When selecting a suitable cable size for a motor,...
High Voltage Underground Cable Selection
Unlike the other Cable Selection tutorials which deals with...
Earthing Conductor Sizes
The following table lists the recommended minimum sizes of...
Arc Flash Hazards
It's not too long ago that arc flash hazards...
IEEE 1584 Arc Flash Calculations
IEEE 1584 provides empirical formulas for determining arcing fault...
Time-Current Curves Using Excel – Part 1
In these articles, I have discussed the methodology on...
Time-Current Curves
Discrimination & coordination using Time-Current Curves TC Curves Part...
Time-Current Curve Part 2 – Discrimination
In Part 1, I have discussed the basics of...
Voltage Drop Calculation
This article provides a guideline on the selection of...

Profile

Ver Pangonilo

Ver Pangonilo, PEE RPEQ

A Registered Professional Engineer of Queensland (RPEQ), Professional Electrical Engineer (PEE – Philippines) and certified hazardous areas electrical designer with more than 20 years experience in concept definition, front-end engineering (FEED), HV & LV detail design, 3D model reviews, work share, construction and commissioning of Hazardous and Non-Hazardous Area electrical installations in water pipeline and pumping facilities, offshore platforms, FPSO, oil & gas process plants and pipelines including related facilities; experience in instrumentation and control, hazardous area classification for explosive gas and combustible dust atmospheres including intrinsically safe calculations and Computerised Maintenance Management Systems (CMMS).
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