Stability Study for Renewable Integration

Stability Study for Renewable Integration

Stability Study for Renewable Integration Overview As renewable penetration increases in power systems around the world, utilities are required to proactively investigate the security and reliability of their systems to accommodate the new generation. A North American...
Power Quality Analysis

Power Quality Analysis

Power Quality Analysis Overview Due to a significant upsurge in the number of applications for large scale demand (data centers) and renewable generation (solar farms) a need arose to conduct harmonic distortion analysis in order to establish emission limits. The main...
Arc Flash Studies

Arc Flash Studies

Arc Flash Studies Overview Power Testing Ltd (PTL) has been engaged by a large industrial user to upgrade their 11 kV main distribution system.  The site consists of various 11 kV and 0.4 kV switchboards, large motors and significant on-site combined heat and power...
Cable Studies for a Weak 110 kV Transmission System

Cable Studies for a Weak 110 kV Transmission System

Cable Studies for a Weak 110 kV Transmission System Overview Grid development based on underground cables due to renewable generation integration at a weak part of a transmission system necessitated studies to check whether possible resonance issues will result in...
Circuit Breaker Derating due to High DC Time Constants

Circuit Breaker Derating due to High DC Time Constants

Circuit Breaker Derating due to High DC Time Constants Overview Due to expansion plans and new generation connections, EirGrid and System Operator for Northern Ireland (SONI) are expecting increased fault levels with high DC time constants in some areas of the...

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