Sizing DC Power Supplies and Battery Chargers in Switchgear Applications
Online Training Session presented by MTI Systems
Co-hosted with Specialized Power Solutions
Special Edition for our customers in Alberta, Manitoba and Saskatchewan
From breaker operation to auxiliary loads, properly sizing DC power supplies and battery chargers is critical to the reliability and performance of switchgear systems. In this MTI Power Session, we’ll walk through the process of defining system requirements, applying proven sizing methodologies, and selecting the right technologies for your application. We’ll also explore cost and lifecycle considerations, share lessons learned from the field, and provide insights to help you avoid common pitfalls. Whether you’re new to switchgear applications or have years of experience, this session will offer practical knowledge you can apply to ensure dependable DC power in your projects.
Presenters: Nathan Ayoubi (President) & Justin Parlato (VP of Business Development), MTI Systems
Date: Wednesday, October 22nd, 2025
Time: 10-11AM PST / 11AM-12PM MST / 12-1PM CST
Free + earn professional development hours
Attendees will receive a PDH Certificate for 1 professional development hour.
Register in the form below.
Agenda
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Defining System Requirements
Load profiling based on breaker count, trip coil demands, auxiliary loads, and future expansion.
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Sizing Methodology
Step-by-step approach for calculating charger and battery capacity, including inrush and autonomy considerations.
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Technology Options
Overview of charger types (SCR, SMR, hybrid) and battery chemistries (NiCd, VLA, VRLA) with application fit.
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Cost & Lifecycle Considerations
CapEx vs. OpEx trade-offs, maintenance implications, and technology suitability by environment.
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Best Practices & Lessons Learned
Common pitfalls, compliance standards, and real-world case examples.