Voltage Drop Calculations
In 2008, I have written some articles on voltage drop calculations as a tool in the selection of the correct cable sizes. Voltage Drop Calculation; Voltage Drop Calculation Part 2; …
Importance of Standards in Engineering Design
What are Standards? Standards are foundational framework for technology development. Standards make your life easier. From device to device, network to network, across borders, and around the world, almost all …
IEEE Transformers Categories
There are four (4) categories of transformers according to IEEE Std. C57.12.00 – IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers. Categories of Transformer Rating Category …
Normative and Informative Annexes Compliance
The terms ‘normative’ and ‘informative’ are commonly used in IEC and other derivative standards to define applications of annexes. A normative annex is an integral part of a Standard which …
When Standards is Withdrawn
When a Current Standard is not Available Engineers are dependent on standards to ensure that their designs are compliant to the current standards.The dilemma of engineers is when the current …
Philipine Electrical Code – Is Design Analysis Required for Dwelling Units?
The Philippine Electrical Code has provisions for safe and reliable application of overcurrent protective devices based on short circuit study and a selective coordination study. Design Analysis Requirement Section 1.3.2.1(F) …