CONTENTS toring arded as the predominant cause of long-term degradation and HV and EHV) equipment. Partial discharge is a small discharge specifically local to a defect in the insulation, Figure 1. Over time by disproportionate electrical stress across the defect site, will tion until it leads to a catastrophic failure. It is reported that 85% of ted. miliar phenomenon to many electrical engineers and asset operators g is performed while the equipment is energized at normal g is conducted during normal operating conditions; under
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COLUMNS Editor’sDesk..................................................5 FromtheTop..................................................7 A Message from EGSA’s CEO Education . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Building the Future of Onsite Power Generation Education – Together! Distributor/Dealer Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 What’s New: Building Momentum Through Practical Engagement LegalNews&Updates........................................16 Five OSHA Citation Issues Data Center Contractors May Not See Coming Engineering Sub-Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 Don’t Settle for “Better than Nothing”: Exercise Standby Systems with Load Microgrid&RenewablesCommittee.. . . . . . . . . . . . . . . . . . . . . . . . . . .28 Understanding UL 3141 and Power Control Systems Veterans Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Progress, Partnerships, and Pathways FEATURES Feature..................................................... 23 EGSA Fall 2026 Conference Preview Advocacy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Power Players: Why Lobbying Is Essential for the OnSite Power Generation Industry Advertorial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 The Future of Growth in the Generator Service Industry: People, Leadership, Legacy, and a New Model for Partnership White Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Why Emissions Systems Fail in Real Installations (and How to Prevent It) White Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Practical Application of On-Line Partial Discharge Monitoring for the Improvement of Long-Term Power Reliability in Data Centers White Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Benefits of No-Load Exercising for Diesel Generators EGSA NEWS CalendarofEvents.............................................6 NewMembers...............................................14 Member Profile: Semler Industries . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
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Calculation example on simplified defect in polyurethane stresses, and vibration levels. It is a non-destructive test and does ld adversely affect the equipment.
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r Failure Due to Undetected PD Activity, Location Un-Disclosed
POWERLINE Summer 2026 | 3
33kV), High Voltage (HV: 33kV to 220kV), Extra High Voltage (EHV, 220kV to 760kV)
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