Philippines Power Grid Upgrade | Overhead Line Protection Improvement Project
Case 2022-06-14
Project Background
The local power utility was facing the following problems:
Aging overhead lines
Frequent line damage caused by typhoons
Long power outage restoration time
Project Challenges
Lack of a sectional protection system
Outage of the entire feeder line
Fault detection relying on manual work
Solution
The following equipment was installed:
ZW32-12 / ZW32-24 Circuit Breaker System
Distribution Transformer
Integration of Ring Main Unit (RMU) for Feeder Control
System Flow
Substation → ZW32 Sectional Circuit Breaker → Distribution Line → User
Project Outcomes
Faster fault isolation speed
Reduced power outage scope
Improved power grid resilience during storms
