Measuring, Monitoring and sustaining energy efficiency ... · Schneider Electric India in figures (*) ... a Power Monitoring System is: ... Multifunction Basic Panel & Revenue Meter

Measuring, Monitoring and sustaining

energy efficiency using metering system

Make the most of your energy

Schneider Electric 3- EM BU – for CII Energy Summit 2010– Sep 2010

“you cannot manage what you cannot measure”

Tamil Proverb : Even when throwing in the river, measure

what you throw.

Energy Efficiency – Management “Axiom”


About Schneider Electric

Listed at the Paris Stock Market– CAC40

billion sales in 2009

% of sales in new economies

people in 100+ countries

in Fortune 500 ranking

of sales devoted to R&D

Residential 10%

Energy & Infrastructure 16%Industry 26%Data centres & Networks 17%Buildings 31%

Sales by geography – FY 2009

Sales by End markets – FY 2008

North America

27%Asia

Pacific21%RoW

11%

WesternEurope

35%

EasternEurope

6%


Schneider Electric India in figures (*)

v7,700+ employees

v12 factories, 6 distribution centres around the country

v6 global R&D centres in Bangalore

v500+ authorized partners (Distributors, System Integrators and Panel Builders)

vOne Regional Project & Engineering Centre

(*) as of April 1st, 2010


Energy Efficiency


Lifecycle solutions for Energy Efficiency

Active Energy EfficiencyPassive Energy Efficiency

Energy Audit& Measure

Low consumption devices, insulation material, power

factor correction

Fix the basics

HVAC control, lighting control, variable speed drives…

Optimise through automation & regulation

Meters installation, monitoring services, EE analysis software

Monitor, maintain, improve


A systematic approach & offering (1/2)

nEnergy Management SystemnBuilding management SystemnLighting Management SystemnMotor control SystemsnHome control SystemsnVariable Speed drive

nEnergy metersnPower quality meters

nLow consumption devicesnInsulation materialnPower qualitynPower reliability

« Fix the basics »1.

« Measure »2.« Automate »3.


A systematic approach & offering (2/2)

• Energy management software• Remote monitoring systems

« Monitor and improve »4.

• Walk though audits• Detailed site audit• Recommendation of Improvement plan• Financial Analysis & ROI validation• Project execution• Remote monitoring & optimization

«Added value services »5.


Metering in Electrical Installations

1. Purpose of Metering 1. Energy Cost Management2. Electrical installation monitoring3. Power Quality Metering

2. What to Meter3. How to Meter

1. Choice of complete metering system2. Choice of Power Management software

4. How to Interpret measurements.


Ø To Identify and spot increase/ decrease in energy usage pattern.Ø To draw energy consumption trends (weekly, seasonal,

operational)Ø Effective tool to determine future energy use when business plan

changes.Ø Only tool which helps to diagnose & control specific areas of

energy wastage.Ø Can compare how the energy vs. business changes in the pastØ To draw baseline & develop performance targets for energy

management programs

Metering with EM Software an Effective tool for Energy Managers


ØEnergy Cost Control for Consumers

ØUtility Cost Reduction

ØPower Equipment Management

ØPower Quality

ØImprove System Reliability

Goals of Power Monitoring


What is Power Monitoring?

Power monitoring is a process that observes the characteristic operation of a power system or a facility’s electrical use.

To Achieve Its Goals, a Power Monitoring System is:

ØCapable of regularly recording information about your electric power –LOGGING

ØAble to notify you if readings go out of user specified ranges –ALARMING

ØCapable of providing reports about your electrical system in graphical or spreadsheet format - REPORTING


Information Empowerment

Ø Monitor energy consumption & do trend analysis on Voltage, Current, Power factor, Ø Energy Consumed on Hourly, Daily, Weekly, Monthly, Quarterly or Yearly time span.Ø Real time monitoring of electrical parameters with minimal latency.

Reduce Energy Cost

Ø Catch wasteful practices immediately - identify sources of energy peak demand charges.Ø Relays can shed loads to cut peak demand.

Remote Control

Ø Timed/customized switching ON / OFF appliances, equipments, machinery etc.Ø Access web based account from anywhere, anytime – server software to install or

maintain.

Tamper proof

Ø Alarm is triggered if unauthorized person tries to open or tamper with meter.

Benefits


Where To Monitor ?

•All Service Entrances

•All Major Feeders

•All Critical Loads

•Monitor at all Points where Separate Billing information is desired


What do we need to know?

Tie

66 kV

11 kV

11 kV

415 V

66 kV

11 kV

Main 1 Transformer

Main 2 Transformer

How can weget this

information ?


Use POWERLOGIC !

Tie

66 kV

11 kV

11 kV

415 V

66 kV

11 kV


What is POWERLOGIC ?An integrated system of hardware and software that

Substations

High Voltage Switchgear

Switchboards & MCC’s

Transforms DataTransforms Data Useful Useful Real TimeReal Time InformationInformation

AmpsAmps

VoltsVoltsKWKW

KVAKVA

PFPF

KWhrKWhr

KVAHrKVAHr

AverageAverageDemandDemand

Peak Peak DemandDemand

HarmonicsHarmonics

IntoInto

INFO

RM

ATI

ON

INFO

RM

ATI

ON

NET

WO

RK

NET

WO

RK Engineering

Maintenance

Accounting

Management

AutomaticControls

•• Load Planning StudyLoad Planning Study•• Harmonic AnalysisHarmonic Analysis•• Historical TrendingHistorical Trending

•• Alarms / EventsAlarms / Events•• Circuit LoadingCircuit Loading•• Phase BalancingPhase Balancing

•• Cost by Dept.Cost by Dept.•• Cost by ProductCost by Product•• Verify Electric BillVerify Electric Bill

•• Summary ReportsSummary Reports•• Timely InformationTimely Information

•• Load SheddingLoad Shedding•• Auto TransferAuto Transfer•• PF CorrectionPF Correction


The PowerLogic system includes :Software

Communications

Hardware


Automatic Alarming & Control

High Speed Metering

Direct Ethernet AccessData Logs, Trend & Forecast

Advanced Control

Waveform Capture

Real-time Power & Energy

Sag/Swell detection

Transient Detection

Loss compensation

Web-enabled

Advanced Revenue

Load ManagerMultifunction

Single Function

RestrictedMultifunction

Basic Panel & Revenue Meter

Entry Range MFM

Power Quality

GPS Time Synch

Advance Power Quality

DM52DM32DM5210T

ELFEM6433/34 EM6436/38 PM210

PM710 ION6200 EM6400

EM3000 ION73XX PM800

ION8600

ION8800

ION7650ION7550

Hardware


Solution envisaged § Generally low end communicable single or multifunction

meters

§ Basic EMS software

§ Communication using Modbus RS485 (hard wired)

§ Converter/gateway for connecting to central PC§ RS485 to RS 232 on serial port§ Optionally, RS485 to Ethernet for faster response

Basic EMS

RS485RS485Serial/ETHSerial/ETH


Architecture

Tie

11 kV

415V

11 kV

415V

G G

RS485 TO RS232

Main LT loads

Secondary LT loads

415V

Basic EMS example

RS485 network


Ethernet

EMSBrowser

Advanced Power Monitoring SystemWhen more than 32 devices to monitor (~ 300)Most industries fall in this category……. This includes low, medium & a few high end MFMs…. Integration with 3rd part systems, PLCs, Scada (e.g., jobs done by SAC)Options such as web access, Power Quality, multiple clients, etc

Communication with Eth gateway

Local / Remote

Converging connectivity -wireless devices with web access

Other integrated HMIs, PLCs, Scada systems


Market

• Large office/commercial complexes & malls

• Large/medium industry,

• Critical process industry,

• Critical infrastructure (airport/data centre) substations

With electrical loads, say > 10 MVA

(even smaller loads for special applications).

Advanced Energy Management System


The customer needs,

§ Monitoring of all parameters as in a basic EMS- trouble shoot, after something has gone wrong

§ Monitor upto a max of 300 points (incomers, feeders, loads)

- collect max data to improve overall operations

§ Monitoring of advanced parameters – Indl harmonics, sags/swells, waveform capture, onboard data logging/alarms, transients, status & control of CB/isolator

- operate with minimal shutdowns

Advanced EMS


……….the customer needs

§ Monitoring non electrical parameters -temperature, pressure, flow, etc.

- provide single system for multiple facilities/plants

§ Customized & complex reports – user defined reports on energy consumption, load & Pf trend, sub-billing/cost allocation (periodical), power quality, events, multiple tariffs

- maximize performance & reliability and plan efficiently

§ Remote monitoring through web (require meters/RTUs with webserver capabilities)

- know if everything is OK.

Advanced EMS


Solution envisaged :

§ High, Medium and low end communicable multifunction meters with I/Os for control

§ Advanced EMS software

§ Communication using Modbus RS485 between meters (max 16 in single loop)

§ Each RS485 loop to an ethernet gateway for connecting to central PC - some high/medium end meters directly on ethernet (inbuilt eth ports)

Advanced EMS


n Biggest dairy plant in North India producing milk, ice cream & other milk products

n 2 x 33kV Main Incomers, 2 x 33/11 kV, 5MVA Transformers, 1 critical 11kV feeder to ice cream plant

n Six 11/0.415 kV Transformers (5 x 750 kVA & 1 x 1250 kVA)

n Sixteen outgoing LT feeders for various loads – ammonia plant, air compressors, chillers, motors

n Main concerns : demand management, specific energy consumption, detailed harmonic analysis, disturbance recording, centralized status monitoring & control of CBs, remote monitoring of transformer temperatures

Advanced EMS-A case study


Solution designed :

§ 2 high end (7650) meters on main incomers

§ 1 x 7650 on 11kV ice cream plant feeder

§ 6 medium end (7350) meters on 11kV outgoing feeders

§ 16 medium/low end (6200) meters on secondary feeders (LT - main loads)

§ Communication network through communication cable on RS485 (7650 on ethernet)

§ Advanced EMS software (ION E) for online monitoring, alarms, events, shift wise/daily reports, CB/isolator status,

Advanced EMS-A case study contd…

The user is now able to monitor all electrical & non electrical parameters on line and based on alarms/reports, is able to manage his system better to prevent any breakdown & plantdown time. Able to reduce contract demand resulting in a saving of 5.06 Lacs p.a. Identified low Pf (0.75) in one of the feeders and by taking corrective actions, saved 20 Lacs p.a.


Advanced EMS……….Mother Dairy (Communication architecture)

RS-485 network

Local Area Network (LAN) Local Area Network (LAN)

Server with ION Enterprise

software

Client PC (only for viewing

the data)

RS-485 TO LANCONVERTER

33/11 KVTRANSFORMER

33/11 KVTRANSFORMER

ICP FEEDER

TR1 TR2 TR3 TR4 TR5 TR6

METERS AT OUTGOING FEEDERS

I/O CARD FOR TRANSFORMER TEMP.,

DIs and DOs

RS-485 4-20 mA Analog input from transformers


DISTURBANCE DATADISTURBANCE DATA


DISTURBANCE DATADISTURBANCE DATA


DEMAND LOAD PROFILEDEMAND LOAD PROFILE



COMPLEX CONFIGURATION§ Essar Power Ltd (EPOL): 515 MW§ Bhander Power Ltd (BPOL): 260 MW§ Captive Power Plant (CPP): 30 MW§ GEB Supply : 4 x 220kV Lines § GEB Max Demand : 44.5 MVA§ Essar Steel Load (ESTL) : 505 MW

EPOL 515 MW

GENERATION

HBI COMPLEX 2 MODULES ~24MW LOAD

+30 MW CPP-1 GEN.

BPOL150 MW + 110 MW

GENERATION

GEB SACHIN

220 KV x 2 LINES

GEB ICHAPORE

220 KV x 2 LINES

HRC 4 EAF’S

HSM + AUX+MOD-3, 4 & 5

(450-520MW) LOAD

NET GEN CAPACITY: 805 MW ESTL LOAD:

505 MW

Advanced EMS - Another Example : Essar Steel, Hazira


Needs

§ Accurate metering of the entire complex§ Time synchronized data available§ Reliable demand monitoring & control§ Fault/Event recording & trending§ Disturbance recording (V&I waveforms)§ Switchgear status monitoring including logging§ Real time power flow data§ Report generation (user defined)§ Customized Graphics

System Requirements & Customer ExpectationsEssar Steel…….


n Started with 9 high end meters in 1994 and today more than 130 high/medium end meters installed at various locations, connected to a dedicated LAN.

n Server with ION E installed at MRSS.

n Clients installed in all the plants for monitoring data

n Real time data available on web reach to all authorized personnel in user defined formats

n This includes power flow, demand management, CB/Iso status

n Metering data being shared for sequencing of furnace control

n GPS server installed for accurate time stamping of data

n Sharing of meter data with SAP planned in future

Solution in place - Essar Steel…….


Disturbance Data


Disturbance Data


Disturbance Data : Sub Cyclic


Multiple Disturbances


Screen Shots Screen Shots

Smart Energy Management© Copyright 1986-2005, ConZerv Proprietary & Confidential

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DAY

kW

Sum of T-1+T-2 (132kV TNB I/c's), Half Hourly Demand Chart for Day 30/07/2007

45,711 is the Average Demand, RM 845,653 @RM18.5/KW

51,652 is the Peak Demand, RM 955,562 @RM18.5/KW

Analysis of Load Profile in a Day


The Future - Enterprise Management

Who uses It ?

•Used by

• Energy Management/Conservation• Accounting• Energy Procurement• Operations• Engineering• 3rd Party Consultants


PowerLogic ION EEM: Applications summary

Energy conservation• Allocate costs• Utility bill auditing and rate

modeling• Identify energy savings

opportunities• Audit energy savings projects• Track, normalize, and compare

energy usage and costs• Baseline and forecast energy

usage and costs• Make better purchasing decisions• Drive energy awareness and

behavior

Environmental sustainability• GHG tracking and reporting• Regulation compliance monitoring

Operational optimization• Power quality event detection,

analysis, and reporting• Capacity planning• Equipment & infrastructure

troubleshooting and optimization• Process efficiency maximization• Infrastructure & equipment

preventative maintenance• Determine optimal run schedules

for HVAC and generation equipment

• Justify capital spending• Analyze planned & unplanned

downtime


For more detailed information on our products, services and solutions

•Ask your Schneider Electric representative•Visit www.schneider-electric.co.in


Contact

[email protected]

+91 944 890 48 52.

[email protected]

+91 995 333 00 43


Make the most ofyour energy

Documents

Measuring, Monitoring and sustaining energy efficiency ... · Schneider Electric India in figures (*) ... a Power Monitoring System is: ... Multifunction Basic Panel & Revenue Meter