Data Flow Diagram

kWh

kWh

kWh

kWh

kWh

kWhkWh10110100

10110100

kWhkWh10110100

10110100

Control Application

Daily values

(Spreadsheet)

YYYY-MM Daily

Control mechanism -

Main data and

Secondary data.xls

Control Mechanisms:

1: Compare A with B

2: Compare A with C

copy/paste

copy/paste

kWh

kWh

Monthly Operation

Report

(YYYY-MM Informe

Mensual OP PEG.xls

Sheet: CDM Data)

Primary Data

Secondary Data

CDM Data

Control Mechanisms:

1: Compare A with B

2: Compare A with C

3: Compare A with D

copy/paste

Active (Export to Grid) Backup

A-M

kWh

kWh10110100 kWh

kWh

kWh

Manual Index

registration

form

(hardcopy)

kWh10110100

kWh10110100

kWhcopy/pastekWh

kWh kWhcopy/paste

10110100

10110100

kWhcopy/pastekWhkWh1011

0100

kWhkWh

kWh

kWh

Spreadsheet – Monthly

Report)

YYYY-MM Energía

Entregada.xls

Energy

Meter

DATA FLOW DIAGRAM PEG GUANACASTE – ENERGY MEASUREMENT

As-Is situation (February 2012)

Data Handling and

Reporting SystemUnit

Control

Application

Daily Values

Data Unit

Data

Collection

Application

UnitMeasurement

Equipment

kWh

Main

Energy

Meter

230kV

55x Gross

Energy

Meter

Active (Export to Grid)

A-15'


A-M


A-D

7

10110100

Active PEG (Cons.) *=index reading

A+*D


A-15' 10110100

Backup

Energy

Meter

230kV


NA-15'


NA-M


NA-D


A-15'

Gross Active

GA- S1 to S55realtime

Spreadsheet files –

Extracted data from

ION 7550 devices

Stored on server

ION 230 Y 345 -

PRINCIPAL Y

RESPALDO - AYER

(YYYY-MM-DD HH

MM SS).xls

Data registration

and storageUnit

kWhcopy/paste

10110100

10110100

Main

Energy

Meter

34,5kV

Active (To Substation)

A-15'


A-M


A-D


A-15'

Backup

Energy

Meter

34,5kV

Active (To Substation) Backup

A-15'


A-M


A-D


A-15'

ION

Enterprise

Software

(Daily Request

for Raw Data

00h00)

SCADA

Enercon

Spreadsheet files –

Extracted data SCADA

Enercon

Stored on server

Filename:

Query WsAd

Daily_3060.csv

7

% Losses

(Transformers + cables

kWh10110100

kWh10110100

kWh

kWh10110100

10110100

kWhkWh10110100

kWhkWhMain

Energy

Meter

230kV

10110100

Backup

Energy

Meter

230kV

Spreadsheet file –

Extracted data from

ION 7550 devices

Stored on server

ION 230 Y 345 -

PRINCIPAL Y

RESPALDO - ULTIMO

MES (Month YYYY).xls

kWh10110100

10110100

Main

Energy

Meter

34,5kV

Backup

Energy

Meter

34,5kV

ION

Enterprise

Software

(Monthly

Request for

Raw Data)

copy/paste

kWh

7Active (Injected – Sales Receipt)

A-M

Electricity

Sales

Receipt ICE


A-15'


A-15'


A-15'


A-15'

Legend

Timestamp

System

Signal/Data

S2 System2: Generator 2

Grid Operator

Source Project Site

D

W

Y

M

X'

Day

Week

Month

Year

X minutes

realtime Real-time

X Constant Value

10110100 Digital Communication Protocol

Manual input7

copy/paste Manual Copy/Paste




A-D


A-D

copy/paste

copy/paste

copy/paste

copy/paste


A-M

copy/paste

Unit

Control

Application

Monthly

Values

Gross Active

GA-D S1 to S55

Gross Active

GA-M S1 to S55

Active PEG (Consumption)

A+M


A+D


A-M


A-D


A-M

Gross Active

GA-M S1 to S55


A+M

Active (Injected, Sales Receipt)

A-M

% Losses

(Transformers + cables

A

B

Inje

cte

d E

ne

rgy to

th

e G

rid

23

0kV

En

erg

y c

on

su

mp

tio

n IC

E s

ub

sta

tio

nG

ross P

rod

uctio

nO

wn

co

nsu

mp

tio

n P

EG

Inje

cte

d E

ne

rgy to

th

e G

rid

23

0kV

En

erg

y c

on

su

mp

tio

n IC

E s

ub

sta

tio

n

Deviation (%) = (A - B) / A * 100

Deviation (%) = (A - C) / A * 100

Deviation (%) = (A - B) / A * 100

Deviation (%) = (A - C) / A * 100

Deviation (%) = (A - D) / A * 100

Se

co

nd

ary

Da

taP

rim

ary

Da

taS

eco

nd

ary

Da

taP

rim

ary

Da

ta

Active (Import from Grid)

A+15'

Gross Active

GA- S1 to S55D

Active (Import from Grid) Backup

A+15'

Active (Import from Grid)

A+M

(kWh Month control = kWh Day1 (M+1) 00h00 – kWh Day1 (M) 00h00 )

Monthly Data Control:

Compare monthly value

With:

1) Monthly value from “YYYY-MM Energía Entregada.xls”

Active (Import from Grid) Backup

A+M

Net Active (Inj. to Grid) Backup

NA-M B

Net Active (Injected to Grid)

NA-M ANA-(main) (kWh) = A-(export to grid) – A+(import from grid)

NA-(backup) (kWh) = A-(export to grid backup) – A+(import from grid backup)

kWh

7Active (Received – Invoice ICE)

A+M Invoice ICEActive (Received, Invoice ICE)

A+M

Net Active (From invoices)

NA-M CNA-(From invoices) (kWh) = A-(injected) – A+(received)

Da

ta fro

m S

ale

s R

ece

ipts

an

d In

vo

ice

s

Prim

ary

Da

ta

Active (Export to Grid) Control

A-D

Active (Export to Grid) Control

A-M D

C

kWh Control = kWhk,Gross – kWh PEG consumption – kWh ICE substation consumption * 1 -k=1

55

( ) ( )100

% Losses

kWh Control = kWhk,Gross – kWh PEG consumption – kWh ICE substation consumption * 1 - k=1

55

( ) ( )100

% Losses

Documents

Data Flow Diagram