Variable-speed drives for ESP artificial lift: sizing and harmonic mitigation
A technical guide for facilities electrical engineers covering VSD sizing, long-cable resonance, and harmonic mitigation selection for ESP artificial lift systems, with reference to IEEE 519 compliance across the full operating speed range.
13 Oct 2026 · 7 min read
Variable Frequency Drive Harmonics on Islanded Offshore Power Systems: Causes and Mitigation
VFDs create harmonic distortion that is uniquely damaging on islanded offshore buses. This article explains the causes and compares passive filters, active filters, and phase-shifting transformers as mitigations for practising electrical engineers.
08 Oct 2026 · 9 min read
VFD Selection and Harmonic Mitigation for ESP Artificial Lift Systems
A technical guide for production electrical engineers covering drive sizing, cable considerations, and filter trade-offs for variable frequency drives on electric submersible pumps.
02 Feb 2026 · 10 min read
HV Motor Starting Methods in Offshore Platforms: VFD vs. Soft Starter vs. Auto-Transformer Selection
A technical guide for offshore electrical engineers on selecting between VFDs, soft starters, and auto-transformer starters for HV motors—covering bus voltage impact, weight constraints, harmonics, and a structured decision checklist.
06 Jul 2025 · 9 min read
The Impact of Electrical Grounding on Operational Safety and Equipment Lifespan
Degraded grounding systems silently erode insulation life, introduce stray current corrosion, and create ignition risk in classified areas. This article covers grounding architectures, lifespan mechanisms, and a practical maintenance checklist for oil and gas facilities.
24 Nov 2024 · 9 min read
Preventative Maintenance of Electrical Equipment in Hazardous Locations
A structured, standards-aligned guide to PM of hazardous-area electrical equipment — covering IEC 60079-17 inspection grades, protection-concept-specific tasks, record-keeping, and practical checklists for maintenance leads and procurement teams.
02 Nov 2024 · 9 min read
Designing Electrical Systems for Maximum Efficiency in Oil and Gas Facilities
A practical guide to designing efficient, reliable, and code-compliant electrical systems for oil and gas facilities, covering equipment selection, power distribution, hazardous area classification, and redundancy strategies.
10 Oct 2024 · 7 min read