Data Center Engineering Knowledge Base
Design reliable, efficient and scalable data centers.
Practical engineering guides, design methodologies, calculators, specifications and technical resources for mission-critical infrastructure.
Power
Cooling
Explore Data Center Engineering
Electrical Infrastructure
UPS, generators, ATS/STS, power distribution, harmonics and power quality.
Cooling
Cooling architectures for resilient and energy-efficient data centers.
Controls
Control architectures and protocols that keep cooling running when things fail.
Reliability
Redundancy topologies, failure analysis and proving resilience through testing.
Featured Engineering Guide
Variable Frequency Drives in Data Center Cooling Systems
A practical engineering guide to VFD selection, harmonics, BMS integration, redundancy, failure modes and commissioning for data center HVAC systems.
Covered in this guide
- Affinity laws
- Drive sizing
- Harmonics & IEEE 519
- EMC & cabling
- BACnet integration
- Failure modes
- N+1 redundancy
- Bypass philosophy
- Staggered restart
- Commissioning
Engineering Tools
Interactive calculators for early-stage design estimates and engineering sanity checks.
VFD Energy Savings Calculator
Estimate annual pump and fan energy savings from variable-speed operation compared with dampers, throttling valves or constant-speed control.
Fan Affinity Law Calculator
Calculate how airflow, static pressure and shaft power change when fan speed changes.
Pump Affinity Law Calculator
Coming soonFlow, head and power relationships for centrifugal pumps under variable-speed operation.
Cooling Capacity Calculator
Coming soonEstimate sensible cooling capacity from airflow and temperature differential, or water-side capacity from flow and ΔT.
PUE Calculator
Coming soonCalculate Power Usage Effectiveness from facility and IT energy figures, with partial PUE breakdowns.
Generator Step Load Calculator
Coming soonEvaluate generator step load acceptance for motor starting and block load scenarios.
Featured Articles
Electrical / Controls
Variable Frequency Drives in Data Center Cooling Systems
A practical engineering guide to VFD selection, harmonics, BMS integration, redundancy, failure modes and commissioning for data center HVAC systems.
Reliability / CoolingComing soon
Understanding N+1 Cooling Architecture
Redundancy notation, failure domains and the practical difference between N+1, N+2 and 2N cooling topologies.
ElectricalComing soon
Data Center Harmonics: UPS and VFD Interaction
Harmonic current sources in data centers, UPS input distortion, VFD mitigation options and IEEE 519 evaluation.
ControlsComing soon
BACnet Control Strategies for Critical Cooling
BACnet object mapping, COV subscriptions, watchdog strategies and fail-safe design for critical cooling control networks.
Electrical • Cooling • Controls • Energy Efficiency • Commissioning