Case Study: The Cooling System Was Running — But the Data Hall Was Still Overheating
OverviewData center cooling systems are often designed with redundant cooling units, pumps, and power supplies.
Cooling and Environmental ControlArticles / Knowledge Base
Articles / Knowledge Base
59 results
Data Centre Fundamentals: How Critical Infrastructure Supports Digital Services
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Centre Electrical Fundamentals: From Utility Power to the IT Equipment
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Pre-Action Sprinkler Systems in Data Centers: Why Water Protection Still Matters
A practical explanation of pre-action sprinkler systems for data centers, covering dry piping, detection interfaces, single- and double-interlock concepts, accidental discharge risk, inspection, testing and operational considerations.
Health, Safety and Environment
Fire Protection Strategy for Data Centers: Detection, Containment and Suppression
A practical overview of data center fire protection strategy, covering early detection, compartmentation, clean-agent systems, pre-action sprinklers, shutdown logic, emergency response and integrated testing.
Health, Safety and Environment
Airflow Management in Data Centers: Hot Aisles, Cold Aisles and Containment
A practical guide to airflow management in data centers, explaining hot-aisle and cold-aisle layouts, containment, recirculation, bypass air, rack inlet temperatures, blanking panels and operational verification.
Cooling and Environmental Control
Chilled-Water Cooling Architecture for Data Centers: Chillers, Pumps, CRAHs and Redundancy
An engineering guide to chilled-water cooling in data centers, covering chillers, pumps, heat exchangers, CRAHs, supply and return temperatures, hydraulic design, redundancy, controls and maintenance states.
Cooling and Environmental Control
Commissioning Data Center Cooling Systems: Proving Capacity, Redundancy and Failure Response
A practical cooling commissioning guide covering pre-functional checks, CRAHs, chillers, pumps, controls, sensor calibration, load simulation, failure scenarios, recovery and integrated systems testing.
Cooling and Environmental Control
Lithium-Ion Battery Safety in Data Centers: BMS, Thermal Runaway and Fire-Risk Engineering
Lithium-ion batteries can provide strong performance for UPS applications, but safety must be evaluated at system level. Good engineering identifies hazards and applies layers of prevention, detection, protection and emergency response. .
Batteries and Energy Storage
Planning High-Speed Ethernet Migration in Data Centers: 100G, 400G and 800G
An engineering guide to planning higher-speed Ethernet migration, covering bandwidth demand, optics, fiber plant, breakout strategy, power, cooling, testing and staged deployment.
Networking and Telecommunications
Energy Reuse in Data Centers: Understanding and Applying Energy Reuse Factor
A practical guide to Energy Reuse Factor (ERF), heat recovery, useful exported energy, measurement boundaries and resilience considerations.
Sustainability and Energy Efficiency
Cooling Efficiency Ratio in Data Centers: Measuring Cooling-System Energy Performance
A standards-based guide to Cooling Efficiency Ratio (CER), cooling-energy measurement, interpretation and improvement opportunities in data centers.
Sustainability and Energy Efficiency
AI and High-Density Computing in Data Centers: Infrastructure Design for the Next Generation
In-depth educational article. AI and accelerated computing concentrate power, heat, bandwidth and weight into smaller footprints. Infrastructure must therefore be engineered as an integrated electrical, mechanical, network, structural and operational system.
Emerging Technologies and Future Trends
Liquid Cooling for Data Centers: Engineering the Transition from Air to Direct Liquid Cooling
In-depth educational article. Direct liquid cooling can remove high heat flux efficiently, but introduces fluid distribution, water-quality, leak, controls and maintenance requirements that must be engineered for critical-facility availability.
Emerging Technologies and Future Trends
Data Center Commissioning Fundamentals: From Design Intent to Proven Operational Performance
Extended technical training article covering data-center commissioning planning, functional testing, IST, failure scenarios, evidence and operational readiness.
Testing and Commissioning
Electrical Commissioning in Data Centers: MV, Transformers, Generators, UPS and Distribution
Extended technical training article covering data-center commissioning planning, functional testing, IST, failure scenarios, evidence and operational readiness.
Testing and Commissioning
Mechanical and Cooling Commissioning in Data Centers: Proving Capacity, Control and Resilience
Extended technical training article covering data-center commissioning planning, functional testing, IST, failure scenarios, evidence and operational readiness.
Testing and Commissioning
Integrated Systems Testing for Data Centers: Proving Failure, Failover and Recovery
Extended technical training article covering data-center commissioning planning, functional testing, IST, failure scenarios, evidence and operational readiness.
Testing and Commissioning
Commissioning Documentation and Handover: Turning Test Evidence into Operational Readiness
Extended technical training article covering data-center commissioning planning, functional testing, IST, failure scenarios, evidence and operational readiness.
Testing and Commissioning
Business Continuity for Data Centers: Building Resilience Beyond Redundant Equipment
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Data Center Disaster Recovery Strategy: Aligning Facilities, IT Services and Recovery Objectives
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Business Impact Analysis for Data Centers: Translating Service Criticality into Infrastructure Priorities
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Data Center Emergency and Crisis Management: Command, Communication and Controlled Recovery
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Testing Data Center Business Continuity and Disaster Recovery Plans: Exercises, Failover and Lessons Learned
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Data Center Fire Protection Engineering: Building a Layered Strategy from Prevention to Recovery
Extended technical training article covering data-center fire prevention, early detection, clean-agent suppression, life-safety interfaces, commissioning and lifecycle maintenance.
Health, Safety and Environment
Early Fire Detection in Data Centers: VESDA, Spot Detection, Alarm Logic and Response
Extended technical training article covering data-center fire prevention, early detection, clean-agent suppression, life-safety interfaces, commissioning and lifecycle maintenance.
Health, Safety and Environment
Clean-Agent Fire Suppression in Data Centers: Design, Safety, Integrity Testing and Operations
Extended technical training article covering data-center fire prevention, early detection, clean-agent suppression, life-safety interfaces, commissioning and lifecycle maintenance.
Health, Safety and Environment
Data Center Fire and Life-Safety Interfaces: HVAC, Access Control, Power and Emergency Logic
Extended technical training article covering data-center fire prevention, early detection, clean-agent suppression, life-safety interfaces, commissioning and lifecycle maintenance.
Health, Safety and Environment
Fire-System Testing and Maintenance in Data Centers: Keeping Protection Effective Throughout the Lifecycle
Extended technical training article covering data-center fire prevention, early detection, clean-agent suppression, life-safety interfaces, commissioning and lifecycle maintenance.
Health, Safety and Environment
Data Centre Availability and Resilience: Understanding Redundancy, Failure Domains and Maintainability
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Centre Cooling Fundamentals: Heat Removal, Airflow and Environmental Control
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Centre Physical Infrastructure Fundamentals: Space, Racks, Cabling, Fire and Security
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Centre Operations Fundamentals: Monitoring, Maintenance, Change, Incidents and Lifecycle Management
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Center Standby Generator Systems: Architecture, Sizing, Ratings and Resilience
Comprehensive long-form training article covering data-center generators, starting systems, diesel fuel infrastructure, paralleling, commissioning, maintenance and failure response.
Generators and Fuel Systems
Generator Starting Systems in Data Centers: Batteries, Chargers, DC Circuits and Start Reliability
Comprehensive long-form training article covering data-center generators, starting systems, diesel fuel infrastructure, paralleling, commissioning, maintenance and failure response.
Generators and Fuel Systems
Data Center Diesel Fuel Systems: Storage, Day Tanks, Transfer, Quality and Fuel Resilience
Comprehensive long-form training article covering data-center generators, starting systems, diesel fuel infrastructure, paralleling, commissioning, maintenance and failure response.
Generators and Fuel Systems
Generator Paralleling and Load Management in Data Centers: Synchronization, Controls and Failure Modes
Comprehensive long-form training article covering data-center generators, starting systems, diesel fuel infrastructure, paralleling, commissioning, maintenance and failure response.
Generators and Fuel Systems
Data Center Generator Testing and Commissioning: Proving Start, Transfer, Load Acceptance and Endurance
Comprehensive long-form training article covering data-center generators, starting systems, diesel fuel infrastructure, paralleling, commissioning, maintenance and failure response.
Generators and Fuel Systems
Generator and Fuel-System Operations and Maintenance: Preventing Failure When Utility Power Is Lost
Comprehensive long-form training article covering data-center generators, starting systems, diesel fuel infrastructure, paralleling, commissioning, maintenance and failure response.
Generators and Fuel Systems
Power Transformers in Data Centers: Selection, Sizing, Loading, Efficiency and Resilience
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Medium-Voltage Switchgear for Data Centers: Architecture, Ratings, Interlocks and Internal-Arc Safety
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Protection Coordination for Data Center MV Systems: Relays, CTs, VTs, Breakers and Selective Fault Clearing
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Short-Circuit, Earthing and Arc-Fault Engineering in Data Center Medium-Voltage Networks
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Transformer and MV Commissioning in Data Centers: FAT, Site Tests, Protection and Functional Switching
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Transformer and Medium-Voltage Operations and Maintenance: Condition Monitoring, Switching and Failure Response
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Health, Safety and Environment Management in Data Centers: Building an Integrated HSE Framework
Comprehensive long-form training article covering HSE governance, electrical and maintenance safety, hazardous materials, environmental controls, emergencies and incident learning in data centers.
Health, Safety and Environment
Electrical Safety in Data Centers: Arc Flash, Isolation, Switching and Energized Work
Comprehensive long-form training article covering HSE governance, electrical and maintenance safety, hazardous materials, environmental controls, emergencies and incident learning in data centers.
Health, Safety and Environment
Permit to Work and LOTO in Data Centers: Controlling High-Risk Maintenance Safely
Comprehensive long-form training article covering HSE governance, electrical and maintenance safety, hazardous materials, environmental controls, emergencies and incident learning in data centers.
Health, Safety and Environment
Battery, Fuel and Chemical Safety in Data Centers: Managing Stored-Energy and Hazardous-Material Risks
Comprehensive long-form training article covering HSE governance, electrical and maintenance safety, hazardous materials, environmental controls, emergencies and incident learning in data centers.
Health, Safety and Environment
Environmental Management in Data Centers: Energy, Water, Waste, Emissions, Noise and Spill Control
Comprehensive long-form training article covering HSE governance, electrical and maintenance safety, hazardous materials, environmental controls, emergencies and incident learning in data centers.
Health, Safety and Environment
Emergency Preparedness and HSE Incident Management in Data Centers: Response, Investigation and Learning
Comprehensive long-form training article covering HSE governance, electrical and maintenance safety, hazardous materials, environmental controls, emergencies and incident learning in data centers.
Health, Safety and Environment
Testing Data Center Generators: No-Load Runs, Load Banks and Integrated System Tests
An operational guide to proving standby generator readiness through routine exercising, loaded operation, load-bank testing and integrated system testing with UPS, switchgear and cooling systems.
Generators and Fuel Systems
Critical Infrastructure in Data Centers: The Systems That Keep the Digital World Running
In today’s connected world, every online transaction, cloud application, video conference, financial service, and government platform depends on data centers operating without interruption.
Data Centre Fundamentals
Data Center Cooling: The Foundation of Reliable and Efficient Digital Infrastructure
Every server, storage array, and network device inside a data center generates heat.
Cooling and Environmental Control
Data Center Operations: The Discipline That Keeps Digital Infrastructure Running
In today’s digital world, data centers have become the backbone of nearly every industry. From banking and healthcare to government services, cloud computing, artificial intelligence, and telecommunications, organizations depend on data centers to deliver uninterrupted services.
Preventive and Corrective Maintenance
The Hidden Fire Risk in Data Centers: Generator Enclosures
When discussing data center resilience, most attention is typically focused on UPS systems, batteries, cooling infrastructure, and fuel storage. However, one critical area often receives far les...
Generators and Fuel Systems
Why Load & Heat Testing is Critical Before Data Center Handover
In today’s digital-first world, a data center is not just a facility—it is a mission-critical environment where failure is simply not an option. Yet, one of the most overlooked phases in many pr...
Testing and Commissioning
Maximizing Uptime: Strategies for Data Center Reliability
In today's digital age, data centers serve as the backbone of numerous industries, powering everything from e-commerce platforms to cloud services. However, with the increasing reliance on data-...
Business Continuity and Disaster Recovery
UPS Maintenance and Testing in Data Centers: From Preventive Care to Functional Proof
A practical maintenance and testing framework for mission-critical UPS systems covering inspections, alarms, power modules, bypass paths, batteries, switching procedures, functional tests and the evidence needed to prove readiness.
UPS Systems