Small hydro power plant automation

Oswaldo Kaschny

Schneider Electric Brazil

CDI Power

Schneider Electric Brazil

2

Small Hydroelectric: Power and Control solution

Generation
Control

- PLC
- Speed drives
- Circuit breakers
- Power Meters

Turbine

Auxiliaries
Substation

- Transformers
- Cubicles
- Protection relays

Operation

Centre

Flood gate Control

- PLC
- Speed drives and motor starters
- Circuit breakers
- Power Meters

MV/HV Substation
control & supervision

- PLC
- Protection relays
- Power Meters

Measurement
board

Power
meters
And
quality

Integrated Schneider Electric Solution including

●

Operation centre based on CITECT Scada

●

Generator control

●

Generator and Transformer protections

●

Flood gate control

●

MV/HV substation control and supervision

●

Measurement boards

Operation Center based on CITECT SCADA

CITECT DUAL WORKSTATION

ETHERNET

(MODBUS PROTOCOL)

CITECT

COMMUNICATION

AND DATA BASE

DUAL SERVER

MEASUREMENT

ION ENTERPRISE

SWITCH

PLCs – RELAYS – Meters

CITECT

PORTABLE

ENGINEERING

STATION

PRINTERS

GPS

CITECT

COMMUNICATION AND

DATA BASE DUAL

SERVER

●

Two redundant Servers (Com. and
Database): data collection
(Ethernet Network), storage and
management from the PLCs

●

Two Workstations for Hydroelectric
and Substation control and
supervision; scanning Generators,
Transformers and Transmission
Lines;

●

One Portable Engineering Station:
configuration and development of
new applications

●

One ION ENTERPRISE Station:
Measurement supervision

●

One Ethernet Network for
communication using Switches
with PLCs, RTU, Protection
Relays, Meters, GPS and printers.

Generator Control

ETHERNET

(MODBUS PROTOCOL)

GENERATOR

SUPERVISION

AND CONTROL

PUMP

MODBUS SERIAL NETWORK

SWITCH

PUMP

GENERATOR

VOLTAGE

REGULATOR

SPEED

DRIVE

PUMP

MOTOR

CONTROL

ALTIVAR

STARTERS

TESYS U

GENERATOR

PLC

MAGELIS

VIJEO SOFTWARE

CIRCUIT

BREAKERS

STARTERS

TESYS U

●

Generator solution based on
MODICOM PLC with local Magelis
HMI (Vijeo CITECT Operation
Software)

●

Generators PLC responsible for:

●

Transfer field data to the
Operations Center (Ethernet
Network)

●

Generator Units Supervision and
Control (Digital and Analog
Modules)

●

Voltage Regulator and Speed
Drives Supervision and Control

●

Motor Starters and Frequency
Inverters Supervision and Control

●

Circuit Breakers Supervision and
Control

●

Power Meters PM 820
Supervision

Generator and Transformer Protection

ETHERNET

(MODBUS

PROTOCOL)

GENERATOR

DIFFERENTIAL

PROTECTION

(MAIN)

SEPAM G87

RELAYS

SWITCH

GENERATOR

DIFFERENTIAL

PROTECTION

(SECONDARY)

SEPAM G87

TRANSFORMER

DIFFERENTIAL

PROTECTION

(MAIN)

SEPAM T87

TRANSFORMER

DIFFERENTIAL

PROTECTION

(SECONDARY)

SEPAM G87

●

Generator Protection based on
SEPAM digital protection relay (20,
40 and 80 ranges).

●

Sepam Relays manage Generators
and transformers protection, data
transfer to Operations Center
(Ethernet Network)

●

Sepam relays are easy to
configure, programmable. They
provide sequence of events and
oscillography.

Schneider Electric Brazil

7

Floodgate Control

ETHERNET

(MODBUS PROTOCOL)

FLOODGATE

SUPERVISION

AND CONTROL

MOTOR

MODBUS SERIAL NETWORK

SWITCH

MOTOR

MOTOR

MOTOR

CONTROL

ALTIVAR

STARTERS

TESYS U

FLOODGATE

PLC

MAGELIS

VIJEO SOFTWARE

CIRCUIT

BREAKERS

STARTERS

TESYS U

Floodgate control solution consists in MODICON

PLCs with local Magelis HMI using Vijeo
CITECT Operation Software.

The Programmable Logical Controllers of

floodgates are responsible for:

●

Field data transfer to the Operations Center
through Ethernet Network.

●

Floodgates Supervision and Control

●

Motor Starters Supervision and Control

●

Circuit Breakers Supervision and Control

Substation Control

ETHERNET

(MODBUS PROTOCOL)

SWITCH

GENERATOR

SYNCHRONIZATION

SUBSTATION

SUPERVISION

AND CONTROL

Power Meter

PM 820

SUBSTATION

PLC

MAGELIS

VIJEO

SOFTWARE

Substation PLC manage:

●

Transfer field data to the
Operations Center;

●

Supervision of Substation and
Lines

●

Circuit Breakers Supervision and
Control

●

Supervision of Synchronization

●

Supervision of Power Meters
PM820.

Substation control and protection based on MODICON PLC

and local HMI Magelis (Vijeo CITECT Operation Software)

TRANSMISSION

LINE

MEASUREMENT

ION 8600

ETHERNET

CCEE

UTILITIES

SERIAL

SWITCH

GENERATOR

MEASUREMEN

T

ION 8600

SERIAL

Measurement boards

The ION 8600 Meters are in charge of:

●

Gross and Net Measurement

●

Transfer measurement data towards
Operations Center;

●

Transfer measurement data towards
the CCEE

●

Transfer measurement data towards
Utility Control Center

Measurement boards are based on ION 8600 Meters and

ION ENTERPRISE Monitoring Software

ION Enterprise Software allows:

- measurement data monitoring

- power quality assessment.