Data Center Design
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Data Centre Power &
Cooling Audit
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Power & Cooling Infrastructure Audit

Nearly all data centre want to improve their overall efficiency but many are not sure what steps they can take that will have a positive impact. The Data Centre Power & Cooling Infrastructure Audit will help to:-

Plan a more efficient and adaptable power and cooling infrastructure, starting with an audit of the present state and evaluation of alternative approaches and technologies.
Monitor and measure power and cooling systems, so they can be managed more effectively and economically.
Optimize the existing cooling system through mechanical and room layout changes, using relatively inexpensive devices to redirect and concentrate available airflow.
Augment UPS and power distribution systems by using modular approaches and the latest, high efficiency products.
CSPM provides a systematic look at a Data Centre Power & Cooling Infrastructure Audit to provide a snap shot of the current efficiency, a details analysis of power and cooling infrastructure and a blue print making cost effective improvements to offer steps to improving your sites Power Utilization Efficiency (PUE)
The Scope of Service Date Centre Power & Cooling Audit
In general, CSPM provides the following scope of aspects of the Data Centre:-

Review to any single point of failure;
Tier classification of the data center based on Uptime Institute definition;
Cooling system review;
Data center power usage effectiveness (PUE);
Data center infrastructure efficiency (DCiE).
The Audit service shall cover:-
An analysis of Power and Cooling Infrastructure
Determine Current PUE and DCiE
Detailed Report with Suggestions for Improving Efficiency

CSPM will provide a thorough analysis of both cooling and power infrastructure to recommend a total solution for PUE and DCiE analysis and remediation. Let our team of experts analyze your data centre and provide you with an action plan to achieve your desired results.

In general, data centre power and cooling are two of the biggest issues facing IT organizations today, and growing companies need a way to manage these costs while enabling future expansion. With more efficient data centre, IT organizations can better manage increased computing, network, storage demands, lower energy costs, and reduce total cost of ownership (TCO) – all while remaining competitive and to meet future business requirements.

Power Usage Effectiveness (PUE)

PUE as defined by the Green Grid is the ratio between the total power consumption by the data centre and its associated facilities to the power consumption of the IT load. PUE value indicates how much power in kW will be consumed in total for running 1kW of IT load inside the data centre. The Green Grid recommends the PUE to be around 1.6 or smaller than this value.

Making your data centre more green not only helps the environment but can significantly improve your data centre performance while dramatically reducing energy costs. Utility rebates and tax credits are also potential benefits for going green. The Green Grid’s Power Usage Effectiveness (PUE) and Data Centre Infrastructure Efficiency (DCiE) metrics have become the standard benchmark for measuring and comparing data centre efficiency information.

In addition, CSPM also provides an evaluation of your entire physical infrastructure including security, cable management, operational & maintenance procedures and reveal your data centre compares to industry standards, identify problem areas and provides steps for improvement.

Power Audit
CSPM provides power audit consists of three deliverables to aim a health check of your entire power infrastructure.

An electrical audit evaluates the integrity of your data centre facility's electrical distributions system to maximize availability of the mission critical infrastructure. It compares ratings to actual loading of UPS, generators, transformers, ATS, and all breakers that protect the data centre. A harmonic snapshot is evaluated at the main and the load side of each UPS. A single point of failure analysis is conducted, which will identify critical failure points in the system.
A complete inventory is taken of all power and cooling equipment that supports the mission critical data centre infrastructure. It helps to provide a new baseline for future planning in expansion.
The power audit will be conducted by the most experienced expertise in the business and with the aids of the powerful measurement instruction like HIOKI Power Analyzer 3196 & etc.


The quickest way to solve power problems is to have a clear understanding of the cause, and be able to determine where the phenomenon occurred.

Overlooking the smallest of power anomalies can lead to enormous financial loss. Checking the quality of your power lines is the best way to prevent problems before they occur.

Some common phenomenon that occurred in most of the data centre:-

Often occurs due to voltage/current waveform distortion when a semiconductor control device is used in a device's
power supply.

When harmonic components become too large, they can cause serious malfunctions, such as overheating in motor transformers, or burn-out of reactors connected to phase advance capacitors.


Unbalance factor

Voltage/current waveform distortion and voltage drops or voltage phase reversals can occur when the load on a particular power line phase increases due to load fluctuations or imbalances.

Voltage imbalance, reverse phase voltage, and
harmonics can result in events such as uneven motor rotation, tripping of 3E breakers, and overheating due to transformer overloading.


Cooling Audit Using Computational Fluid Dynamics (CFD)

The primary objective of data center cooling systems is to maintain the air temperature at rack inlets within standard operating guidelines. This requires an adequate supply of cooling air as well as effective distribution to the inlets of all the racks. Doing so reduces downtime, extends equipment life and optimizes energy costs associated with the air conditioning system.

To help meet this objective, CSPM offers Flovent, a Computational Fluid Dynamics (CFD) software that performs a simulation of the data centre airflow. The simulation is performed using the floor plan and equipment specifications of the data center. After the computer analysis is complete, a cooling audit report is produced that provides detailed information about the temperature distribution and airflow pattern throughout the entire data center, including the underfloor supply plenum and the space above. These results can be used to pinpoint problems such as hot spots, and air recirculation or short-circuiting within a facility, and to help guide design changes.

Thermography Assessment Service

CSPM Thermography Assessment Service uses infrared thermography to analyze the condition of your data center or computer room's support infrastructure. We can offer this as a standalone service or integrated into a regular maintenance program. CSPM will supply you with a detailed assessment, enabling you to manage your facilities support infrastructure for optimum performance, extend the life of your critical support infrastructure, and ensure the highest level of system availability.

The CSPM Thermography Assessment Service uses a digital infrared thermography camera that captures the integrity of the electrical infrastructure in your data center. CSPM’s professional service technicians will visit the site and collect data pertaining to:
Condition of the power equipment
Electrical infrastructure visual inspection
Equipment maintenance records

The Thermography Assessment is intended to provide a baseline for maintaining the electrical infrastructure equipment to improve reliability and prevent unplanned downtime. With this data, CSPM will develop a comprehensive report that will include:

Identify excessively hot terminals on critical support infrastructure
Recommend possible courses of further investigation or corrective action
Compare results from prior reports to identify equipment terminal temperature trends

A comprehensive report will be presented to you including thermal assessment report using thermal imaging, visual inspection, digital photography, field measurements and recommendations.

What CSPM can do?
Perform Harmonic Measurement for analysis to any anomalies.
Determine & propose when and if on-line and/or external dummy load bank testing was performed on generator and UPS & batteries.
Perform a single point of failure analysis, which will identify critical failure points in the system.
Determine and identify the correct equipments labeled tagging from the mains breakers down to the points of loads connected.
Determine capacity/rating of all switchgear/protection devices from the upstream mains to the downstream mission-critical Power Distribution Units (PDUs).
  Determine current utilization through all UPS equipment and breakers from the upstream mains to the downstream mission-critical Power Distribution Units (PDUs).
Determine the load per rack/PDU. Most of the times, this is not viable without risking a shutdown of the connected server loads.
Perform analysis comparing measured current and power rating for all breakers from the upstream mains to the downstream mission-critical Power Distribution Units (PDUs) as well as any imbalances.
Determine power consumption loading (kW and KVA) on each UPS and compare to rating of UPS.
Evaluate the rated capacity of each generator versus UPS rated capacity ratings and identify if generator full load rating is <150% of UPS rating.
Evaluate air conditioning system (Cooling power installed vs. needed. PAC/CRAC’s location, cooling system distribution & pipes insulation).
Evaluate redundancy and performance (rotation system, condensers location & redundancy, air cond system power consumption).
Identification of loads, thermal distribution map, airflow distribution map, raised floor grille/perforated panels location.
A detailed report will be presented to you describing findings and recommendations determined as a result of the procedures listed above.