Data Center Power Systems - Design and Reliability

• Electrical engineers working on data center power systems
• Facility and data center managers
• Electrical contractors and project managers
• Consulting engineers
• Certificate program participants
• Engineers entering mission-critical power work

Prerequisites: A working knowledge of basic electrical power system concepts (voltage, current, three-phase power, one-line diagrams) is recommended. No prior data center-specific experience is required.

Data Center Power Systems Design and Reliability - Course Outline

DAY 1 (6 Hours)

Module 1: The Data Center Critical Power Chain

• Overview of the full power path: utility service to MV switchgear to transformers to LV switchgear to standby generators to transfer switches (ATS/STS) to UPS systems to distribution (busway/PDU) to rack-level power to IT load
• Roles and responsibilities at each stage of the chain
• Reading a simplified data center one-line diagram
• Key terminology: normal power, standby power, critical load, non-critical load, A/B power paths

Module 2: Codes & Standards Part 1 — Enforceable Electrical Codes

• NEC Article 645: scope, applicability, and why most IT rooms don't actually require it
• NEC Article 708 (COPS): risk assessment, mitigation strategy, and testing/commissioning requirements
• NFPA 75: the companion standard referenced by NEC 645
• NFPA 110 and NFPA 111: emergency and standby power system classifications referenced by NEC 708
• NFPA 70B: preventive maintenance practice referenced by NEC 708

Module 3: Codes & Standards Part 2 — Industry Standards & Reliability References

• ANSI/TIA-942-C and ANSI/BICSI 002: how these two voluntary standards were developed to complement each other
• The Uptime Institute Tier Standard as a proprietary, voluntary framework rather than an adopted code
• IEEE Std 493 (Gold Book): reliability analysis for industrial and commercial power systems
• IEEE Std 3006.7: reliability practice specifically for 7x24 continuous-power facilities
• Class discussion: matching the right standard to the right project scenario

Module 4: Tier Classification and Redundancy Models

• Data center four-tier framework: Basic Capacity, Redundant Capacity, Concurrently Maintainable, Fault Tolerant
• Redundancy notation explained: N, N+1, 2N, 2N+1
• Distribution path count and why Tier III/IV require multiple active paths
• Common misconceptions: redundant vs. concurrently maintainable

Module 5: Load Estimation, Capacity Planning & Diversity

• Estimating IT and mechanical loads for a new or expanding facility
• Diversity factors and why nameplate capacity isn't actual demand
• Planning for phased growth without over-building
• Power Usage Effectiveness (PUE) as a design and operating metric

Module 6: Utility Service and Medium-Voltage Design Considerations

• Single vs. dual utility feeds and utility-side redundancy options
• Medium-voltage switchgear basics and where it sits in the reliability picture
• Service entrance considerations: metering, protective relaying coordination, utility interconnection
• Group discussion: matching utility service strategy to target Tier level

DAY 2 (6 Hours)

Module 7: Standby and Backup Power Systems

• Generator systems: sizing, paralleling, and synchronization basics
• Standby vs. emergency classifications under NFPA 110 and 111
• Fuel storage, run-time planning, and load-step considerations
• Case discussion: generator failure scenarios and redundancy mitigation

Module 8: UPS Systems and Battery Backup Strategy

• UPS topologies at a conceptual level and reliability goal alignment
• VRLA vs. lithium-ion trade-offs from a design perspective
• Ride-through time requirements driven by generator start time
• Sizing UPS capacity against present load and planned growth

Module 9: Reliability Engineering — Single Points of Failure & Concurrent Maintainability

• Identifying single points of failure in a proposed or existing design
• Concurrent maintainability in practice: what has to be true for maintenance without shutdown
• Group exercise: marking up a sample one-line diagram for failure points

Module 10: Reliability Engineering — Sequence of Operations & Metrics

• Full sequence of events during a utility failure: ride-through, generator start, synchronization, ATS transfer, return to utility
• Introduction to MTBF and MTTR as basic reliability metrics
• How these metrics inform design and maintenance-strategy decisions

Module 11: AI/HPC Loads and Emerging Design Trends

• How high-density AI/HPC racks create faster, larger load swings than traditional IT loads
• Effects on transformer and UPS sizing margins
• Emerging design patterns for retrofitting existing facilities to higher densities
• Discussion: near-term trends engineers should watch for in new project specifications

Module 12: Case Study, Course Review & Q&A

• Group case study: applying redundancy models, standards selection, and reliability concepts to a sample facility scenario
• Instructor-led review of key concepts from Days 1 and 2
• Open Q&A
• Certificate of completion

COURSE SCHEDULE:

Start: 10 a.m. Eastern Time
Finish: 4:30 p.m. Eastern Time