Ver Pangonilo, PEE RPEQ

Filipino Engineer


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PRC License Renewal Still Horrible After More than 30 Years

I have been renewing my PRC licenses since 1983. From then until now, despite improvements of other government agencies, PRC license renewal is in my personal opinion is HOPELESS for streamlining the processing. The billboards…

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OPEC to cut production by 0.75 million barrels per day

The recent meeting of OPEC in Algiers have provided some hope for Oil & Gas workers as they members agreed to cut production in 0.75 million barrels per day. Though not much, it has caught…

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job-scam

Unscrupulous Individuals Preying on Job Seekers

The present economic crisis caused by the low oil prices have made oil & gas (mining included) and support industries workers unemployed. Prior to the steep dive of oil prices in 2014, the mining has…

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Is the Oil Industry Dying?

Being an oil industry practitioner for more than two (2) decades now, the current crisis brings me to to daily question of “Is the Oil Industry Dying?”. This article from provides some answers tot his…

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per_unit

Video – Reasons to use per unit method

Refer to Per Unit discussion for additional details.

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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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