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
45 results
Rack Airflow Management for High-Density IT: A Comprehensive Data Center Engineering Guide
Long-form engineering article on Airflow and Containment, covering design, resilience, commissioning, operations, maintenance and lifecycle management.
Cooling and Environmental Control
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
Data Center Operations Framework: Roles, Procedures, Shift Handover and Operational Discipline
A practical framework for professional data center operations, covering roles and responsibilities, standard operating procedures, shift handover, escalation, change control, documentation and continuous improvement.
Preventive and Corrective Maintenance
Alarm Management in Data Centers: Priorities, Escalation and Avoiding Alarm Fatigue
A practical guide to data center alarm management, covering alarm classification, priorities, delays, escalation, nuisance alarms, shelving, acknowledgment, ownership, incident correlation and continuous improvement.
BMS, EPMS and DCIM
BMS, EPMS and DCIM in Data Centers: Understanding the Roles and Boundaries
A practical guide to the roles of BMS, EPMS and DCIM in data centers, explaining what each platform monitors, where responsibilities overlap, how integration should be designed and why operational ownership matters.
BMS, EPMS and DCIM
Environmental Control in Data Centers: Temperature, Humidity, Dew Point and Sensor Strategy
A practical guide to environmental control for data centers, explaining temperature, humidity and dew point at IT inlets, ASHRAE equipment classes, sensor placement, alarm thresholds, trends and change control.
Cooling and Environmental Control
Data Center Electrical Distribution Architecture: From UPS Output to the IT Rack
A practical guide to data center electrical distribution from UPS output through switchboards, PDUs, RPPs, busways and rack PDUs, with emphasis on redundancy, selectivity, maintainability and failure domains.
Data Center Electrical Systems
Security Incident Response in Data Centers: From Detection to Evidence Preservation and Recovery
A practical guide to responding to physical and cyber-physical security incidents in data centers, covering detection, command, containment, evidence preservation, communications, recovery and lessons learned.
Security and Compliance
Selective Coordination and Short-Circuit Protection in Data Center Power Systems
A practical guide to short-circuit studies and selective coordination in data centers, covering fault levels, breaker ratings, trip curves, settings, maintenance states and commissioning.
Data Center Electrical Systems
Monitoring Data Center Networks: Telemetry, Availability and Incident Evidence
A practical framework for monitoring data center networks using device health, interface telemetry, flow data, time synchronization, alerting and evidence-based incident analysis.
Networking and Telecommunications
Risk and Change Control in Data Center Projects: Protecting Resilience, Cost and Schedule
A practical framework for identifying project risks and controlling changes so technical resilience, schedule, cost, commissioning and operations remain aligned.
Design and Project Management
Commissioning and Handover Planning in Data Center Projects: Start Before Construction Ends
How to integrate commissioning, documentation, training and operational readiness into the project plan from design through final acceptance.
Design and Project Management
Utility Power Architecture for Data Centers: Feeders, Substations and Source Diversity
Extended technical training article covering data-center utility power, transformers, MV switchgear, protection, commissioning, maintenance and resilient operations.
Utility Supply and Transformers
Data Center Transformers: Sizing, Redundancy, Loading, Efficiency and Thermal Performance
Extended technical training article covering data-center utility power, transformers, MV switchgear, protection, commissioning, maintenance and resilient operations.
Utility Supply and Transformers
Medium-Voltage Switchgear in Data Centers: Protection, Selectivity, Interlocking and Maintainability
Extended technical training article covering data-center utility power, transformers, MV switchgear, protection, commissioning, maintenance and resilient operations.
Utility Supply and Transformers
Data Center Short-Circuit and Protection Studies: From Utility Fault Level to Selective Clearing
Extended technical training article covering data-center utility power, transformers, MV switchgear, protection, commissioning, maintenance and resilient operations.
Utility Supply and Transformers
Utility and Transformer Operations in Data Centers: Switching, Maintenance, Testing and Failure Response
Extended technical training article covering data-center utility power, transformers, MV switchgear, protection, commissioning, maintenance and resilient operations.
Utility Supply and Transformers
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
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
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
Understanding Tier and Rated Concepts: A Data Center Engineering Guide
Comprehensive long-form engineering article on Redundancy, Availability and Tier Concepts, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Data Centre Design and Resilience
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
Data Center Fuel Systems: Bulk Storage, Day Tanks, Transfer Pumps and Operational Resilience
A practical guide to resilient diesel fuel systems for data centers, covering bulk storage, day tanks, transfer pumps, piping, filtration, monitoring, fuel quality, leak control and refueling.
Generators and Fuel Systems
Data Center UPS and Power Systems: The Backbone of Continuous Digital Operations
Every digital service we use today—whether online banking, cloud computing, healthcare systems, artificial intelligence, or government platforms—depends on one critical factor: continuous electrical power.Even the most advanced servers, storage systems, and network equipment...
UPS 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
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 Data Center Transformers Deserve More Attention
When discussing data center reliability, most conversations revolve around UPS systems, generators, batteries, and cooling infrastructure. However, one of the most critical assets in the entire ...
Utility Supply and Transformers
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
Data Center UPS Operating Modes: Double-Conversion, Bypass, ECO and Maintenance Bypass
A practical guide to the operating modes of large data center UPS systems, explaining normal double-conversion operation, static bypass, ECO modes, battery operation and maintenance bypass, with emphasis on risk, transfer behavior and operational control.
UPS Systems