Articles by Ver Pangonilo

Rotating-machine Reactance Multipliers

The momentary or first cycle current is used to evaluate the closing or latching of the high voltage circuit breaker. Other selection criteria are the interrupting and symmetrical short circuit currents. The sub-transient reactance of…


Advantages of Per Unit and Percent Calculations

Power System analysis software are very expensive beyond the reach of small and medium enterprises. The only option, when fault analysis is required, is to perform calculations manually using available resources such calculators or desktop…



Cheap China Imports Killing our Local Industries

Data from Philippine Statistics Authority on Balance of Trade indicate that imports from China is approximately twice Philippine exports to China in terms of dollar value while the Philippines balance of trade with the United…