Philippine Electrical Code – Scope
The Philippine Electrical Code has two (2) parts. The scope of PEC 1 is defined in Section 1.0.1.2(a) while Philippine Electrical Code 2 (PEC 2), Section 1.1.2(b) states The PEC …
Philippine Electrical Code – Low Voltage
Low Voltage is mentioned many times in the Philippine Electrical Code (PEC). However, the PEC failed to explicitly include Low Voltage in the definition of terms. The purpose of the …
Spaces About Electrical Equipment – Working Spaces
One of the most taken for granted provision of the Philippine Electrical Code is Section 1.10.2.1 Spaces About Electrical Equipment. It may have been that Electrical Design Engineers and Electrical …
Transformer Voltage Regulation
The impedance of a transformer limits the fault current through the transformer in the event of a fault. On the downside, it influences the voltage regulation of the transformer. International …
The Need for Power System Fault Analysis
Short-circuit analysis is carried out in electrical power systems to ensure the safety of workers as well as the general public. Electrical equipment can fail thermally or mechanically if they …
Effect of Utility Fault Level to Low Voltage Equipment Ratings
There are times that the Electrical Engineer are unable to get the utility fault level data to calculate the required electrical parameters for a project. In such case, it is …