Power-continuity requirements
- Provide uninterrupted, predictable power for IT loads
- Support modular growth as capacity increases
- Maintain the power path during maintenance
- Monitor battery, UPS and environmental data centrally
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Data Centres
Critical-power design for IT loads, network backbones and auxiliary facility systems, considering capacity, redundancy, maintenance paths and energy storage together.
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OPERATING REQUIREMENTS
Design starts with the consequences of an outage.
The appropriate architecture is defined by critical functions, load behaviour, maintenance paths and site conditions, as well as equipment ratings.
Critical loads
- Servers, storage and network equipment
- Telecommunications and security systems
- Control, monitoring and building automation
- Critical auxiliary facility and communications loads
PROPOSED ARCHITECTURE
A traceable chain from source to critical load.
- Grid and generator
- A/B UPS power paths
- Battery/energy storage
- Selective AC distribution
- IT and network loads
This diagram shows a typical solution approach. Final topology is established using the load list, single-failure criteria, operating philosophy and approved project data.
ENGINEERING DECISIONS
Redundancy, protection and monitoring are assessed together.
Redundancy strategy
- N, N+1 or separate A/B paths according to continuity targets
- Assess UPS-module, battery-string and distribution redundancy separately
- Review maintenance bypass and common points of failure
Protection strategy
- UPS input/output and bypass selectivity
- Battery-string and DC connection protection
- Neutral, earthing and residual-current coordination
Control and monitoring
- UPS, battery, power-quality and loading data
- BMS or conventional battery-monitoring selection
- Alarm and measurement interfaces to building/facility management
PROJECT INPUTS
What information is required for correct selection?
Share the information available at the initial quotation stage. Outstanding technical data can be clarified during the site survey and engineering review.
- Existing and target IT load and kW/kVA profile
- A/B supply and growth plan
- Autonomy, generator-start and fuel scenarios
- Room temperature, layout and cooling limits
- Maintenance, bypass and monitoring requirements
EKA DELIVERY SCOPE
Defined responsibilities from calculation to commissioning.
- Capacity, autonomy and growth calculations
- UPS, battery and AC distribution architecture
- Monitoring and interface signal lists
- Testing, training and lifecycle plans
FAT — factory acceptance testing
- UPS module, bypass and alarm scenarios
- Battery/BMS communications checks
- Distribution and protection functions
- Project-specific load-bank test plan
SAT and commissioning
- A/B supply and bypass checks
- Observe generator-transfer scenarios
- Central-monitoring integration
- Commissioning records and operational training
Discuss your facility’s requirements.
Share the critical-load list, autonomy target and existing power architecture with our engineering team.
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