data center energy saving measure in southeast asia … · january 29, 2013 ntt data intellilink...

January 29, 2013

NTT DATA INTELLILINK CORPORATIONTakasago Thermal Engineering Co., Ltd.

Data Center energy saving measure in Southeast Asia ～Data center, Educational institution ～

All Rights Reserved, Copyright © GIPC 20131

1. Introduction of NTT DATA Group2. Introduction of the best practices3. Introduction of target companies for survey4. Schedule overview5. Results6. Key Point Summary7. Contact information

Table of Contents

All Rights Reserved, Copyright © GIPC 2013 2

Introduction of company overview

•Headquarters: Tokyo, Japan

•Revenue: JPY 1,251,177 million (March 2012)

•Employees:10,579 [non-consolidated] (March 2012)

59,000 [consolidated] (March 2012)

•Business Areas:

Broad range of IT services including consulting, systems

integration, and IT outsourcing

•History:

1967 - established as a division of NTT

1988 - spun off from NTT and incorporated (May 23, 1988)

1995 - went public (Tokyo Stock Exchange: 9613)

NTT DATA Group

Takasago Thermal Engineering Co., Ltd.•Headquarters: Tokyo, Japan

•Revenue: JPY 215,464 million (March 2012)

•Employees:1,845(March 2012)

•Business Areas:

Design, construction, and administration of HVAC facilities


Introduction of the best practices

ACDCAC

Battery

DCAC CPU

ComputerIT rack

PDUSTSUPSAC

The data center with UPS The data center with UPS

Battery

CPU

ComputerIT rack

PDUHVDCAC

The data center with HVDCThe data center with HVDC

DC

Power efficiency:60-80%

Power efficiency:90% or more

DCAC

HVDC Overview



NTT DATA INTELLILINK CORPORATION Japan Radio Co., Ltd.

NTT DATA CORPORATION

“Efficient power system in data center” XECHNO®Power + FRESH HVDC®

[Savings in IT-related Energy Consumption]

Minister Prize of Economic, Trade and Industry

HVDC Overview



Note: Aisle capping

“Aisle capping” is a registered trademark of NTT Facilities Corporation.

The product includes patented invention of NTT Facilities Corporation. Aisle capping equipment integrating anti-seismic element

OverviewRack configuration where suction side of

machine is directed to closed space. By

limiting cooling space to the closed space,

more efficient cooling can be achieved

(30% reduction in power consumption by

air conditioning)

Integration of server rack and anti-

seismic element. Minimum earthquake

impact on server rack.

Why should efficiency of air conditioning be improved?Increased cooling performance is requested due to heat generation and high integration of high performance servers. Power consumption by air conditioning is extraordinary high. In the current approach, anti-seismic elements are installed to minimize earthquake impact on server rack in the buildings without anti-seismic countermeasure.



15.0℃

35.0℃

25.0℃

30.0℃

20.0℃

Before AC stop After1 min After 7 min After 14 min After 30 min After 55 min

Without capping

With capping

Demonstration test was terminated because cold isle temperature exceeded 28 ℃.

Effect of capping

Effect after stopping air conditioning

With cappingWithout capping With capping



What is the S-FLOW?

Hot aisle Cold aisle

Rack RackRack

Hot aisle containment

Fan coil unit

Air outlet

Return air plenum

Hot aisleCold aisle

RackRack

Hot aisleReturn air plenum

Air inlet

Raised floor

S-FLOW overview

HVAC System in data ceter

20

30

26

28

22

24

20

30

26

28

22

24

S-FLOW is a registered trademark of Takasago Thermal Engineering Co., Ltd.)


Introduction of target companies for survey

The Educational institute is the target company for survey.

item Overview

Targetcompany

Educational institution

Time of survey

three months

Company overview

The educational institution possess the data center facility.

PUE 3.04

DPPE -

Survey Overview Place information

Information shall not to be released based on Non-Disclosure Agreement.

Malaysia domestic


Schedule overview

•From June 28, 2012 to December 12, 2012.

Survey schedule

Survey schedule

•June 28, 2012 Kickoff meeting

•September 11 to 12, 2012 Energy-saving survey

•September 13 to 30, 2012 Confirmation of unknown information and data collection

•October 01 to December 09, 2012 Preparation of survey report

•December 12, 2012 Holding workshop on survey results, and submission of

the survey report

Implementation Structure

•NTT DATA INTELLILINK CORORATION

•Takasago Thermal Engineering Co., Ltd.

•Takasago Malaysia Pte. Ltd.


Results

Survey of the thermal environment in data center

The thermal environment 3D visualization

Filter

Thermal camera

Using 70,000 pixel Thermal camera, 70,000 times to record the point of temperature logger.


Results

PUE measurement • According to white paper of the Green Grid, data center level is categorized based on the

PUE values. It is assumed the calculation of PUE by Level 1 in this case.

GARY VERDUN.(2008). THE GREEN GRID METRICS:DATA CENTER INFRASTRUCTUREEFFICIENCY (DCIE) DETAILED ANALYSIS. The Green Grid White Paper #14

PUE =

• The PUE is defined as follows:

Total Facility Power

IT Equipment Power=

IT Equipment Power : 18.3 kWhLighting : 0.0 kWhHVAC system: 32.7 kWhConversion loss: 4.6 kWhTotal Facility Power : 55.6 kWh

55.6kWh

18.3kWh= 3.04


Results

• Improving the HVAC system operating conditions and air flow• Improving the uninterruptible power system operating conditions

• Installation of S-FLOW (HVAC System)• High Voltage Direct Current (HVDC) solution

Facility Operation(Maintenance and Management)

Introduce improved equipment

Suggestions for improvement

Reference: PUE value in the other data centers

• Major carriers ：2.64(high end equipment , low load)• Broadband media delivery ：2.06 and 1.79(two sites )• transportation industry ：2.30(DC for in-house)

The data centers in Singapore (from results of our survey)


Results

Improving the HVAC system operating conditions

• Rated cooling capacity:108kW• Temperature Air Outlet: 19 ℃• Inlets of IT equipment < 25 ℃

Current state Change the standby machine

Machine

in operation

Machine

on standby

Machine

in operation

Machine

in operation

Machine

in operation

Machine

on standby

Change the supply air temperature

Machine

in operation

Machine

in operation

Machine

on standby



Figure. The result of the CFD analysis


Results

Improving the air flow in front of IT racks

• The inlet air dropped 2.0-3.0 degrees on average with the perforated door.

Figure. Perforated front doorFigure. Closed front door

InletInlet

InletInlet


Results

S-FLOW installation plan and CFD analysis

Tab

le

Ta

ble

Tab

le

bat tery　ro om

C H = 2 9 6 0

▲

▲

next

roo

m

outside

outs

ide

Tab

leT

abl

e

Tab

le

機械室内　

ＲＡチャンバＢＯＸ

Hot aisle containment

Cold aisle areaS-FLOW

S-FLOW

SARA

SARA

Figure. The arrangement plan Figure. The result of the CFD analysis

Thermal conditionSA temprature:22℃


Results

Improving UPS Efficiency

IT Equipment IT Equipment IT Equipment IT Equipment

The current stateThe current state The parallel redundancyThe parallel redundancy

• Generally, the UPS device is good a state of the load near the designed value and the

conversion efficiency is good.

• To operate of UPS-1 more efficiently by raising the load, it switches to the parallel

redundancy.

• Reliability improved by switching to the parallel redundancy, too.

The UPS conversion efficiency is about 80% undesirable.


Results

HVDC

17

Battery

CPU

ComputerIT rack

PDUHVDCAC

The data center with HVDCThe data center with HVDC

DCDCAC

Safety Design

• Resolved the arc discharge problem at the time of opening/closing of the switch and

disconnection.

• The current is safely restricted by using 47k of high resistance!


Results of energy saving

The result to reduce CO2 emission by the proposed schemes is 57.1t-CO2

per yearThe result of the proposed

schemes to reduce CO2 emission Result details

Proposedschemes

Reduction results

Energy power

(kWh/year)

CO2 equivalent

(t-CO2/year)

Converted price（local

currency/USD）

The rateof the

reduction(%)

Improving HVACoperating

65,600 45.9 24,272 23.7%

Improving UPSoperating

16,030 11.2 5,931 10.0%

Total 81,630 57.1 30,203 -

S-FLOW 150,300 105.2 55,611 34.3%

HVDC 55,188 38.6 20,419 33.5%

Total 205,488 143.8 76,030 -

272.2

128.4

0

50

100

150

200

250

300

現状削減後（推定）

CO

2em

issi

on(t

-C

O2) etc

.

排出量

272.2215.1

0

50

100

150

200

250

300

現状削減後（推定）

CO

2em

issi

on(t

-C

O2) etc

.

排出量


Key Point Summary

For data center highly efficiency and maintenance.• Continued management of PUE• Commissioning• Readjustment

– The management matched to the equipment scale and the load situation is important.• Air-conditioning control

• Air-conditioning machine (number of operating, highly effective model, air volume control, ･･･)

• Minimize the loss of the air conditioner → Aisle Capping• Electric power

• HVDC（High Voltage Direct Current）• Renewable energy


Contact information

If you have any interests in our products, please feel free to contact the following address. Thank you for your attention.

[email protected] Consulting Business Unit

Solution Business Division

data center energy saving measure in southeast asia … · january 29, 2013 ntt data intellilink...

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