Low Voltage Three Phase AC Motors Protection – Part 2
This is Part 2 of the series of articles about three (3) phase Ac motor protection. Part 1 could be found here. Overload Protection Overload protection permits the motor to …
Low Voltage Three Phase AC Motors Protection – Part 1
This article will be divided into several sections to discuss the control of three (3) phase AC motors including protective features available for the control of starting and operating this …
Classification of Grounding According to Functions
Electrical equipment grounding for a power system can be classified according to functions: working grounding, lightning protection grounding, protective grounding, and instrumentation and control equipment grounding. Working Grounding This is …
Lightning Protection – Rolling Sphere Method Accordning to Philippine Electrical Code 2017 Edition
Rolling Sphere Method The Rolling Sphere Method is a popular and acceptable method of implementing lighting protection on structures. In the Philippine Electrical Code, the rolling sphere method is mentioned …
Rural Substation Design
Rural Electrification Program Republic Act NO. 10531 mandated the National Electrification Administration to promote sustainable development of the country through rural electrification program and to empower the electric cooperative to …
Ground-fault Protection for Personnel In Dwelling Units In Accordance to Philippine Electrical Code 2017 Edition
Definition of Terms The Philippine Electrical Code has provided the definitions. Dwelling Unit A single unit, providing complete and independent living facilities for one or more persons, including permanent provisions …