Intelligence for secondary distribution networks Monitoring and automation by Advanio Kaohsiung

Even special requirements are possible The net-line FWG-50 has been designed according to the

The telecontrol unit communicates with higher level devices

requirements of one of our clients, specifically for the auto-

by means of the standardised telecontrol protocols

mation of 10 kV distribution stations. The telecontrol unit is

IEC 60870-5-101 or -104.

composed of standard components of the series5 family of products. A special feature of this system is its accommo-

The FWG-50 also has the following functions:

dation in a metal housing as a rack drawer. Its 8.8 cm height and 60 cm depth has been adapted to restricted space

• Detection of faults in the medium voltage station and UPS

conditions in 10 kV distribution stations and allows the unit

• Remote control of the ring cable switch disconnectors

to be accommodated inside the station.

• Control of 3 ring switches by 1.5-pole double commands

In addition to the telecontrol unit, the housing also has

• 1-of-n command termination with switch position check-

space for a communication component such as a TETRA radio modem, DSL modem, VFT dedicated line modem or another type of interface.

back signal by means of double-point information • Detection of short circuit indicators of the 3 outgoing circuits • Resetting of short circuit indicators

All the supply and communication connections necessary

• Two measurands e.g. for transformer temperature

for operation lead out of the front. The required status infor-

• Standardised terminals for flexible replacement

mation is displayed on the front panel using LEDs. Process integration takes place by means of a Harting connector

Intelligence for secondary distribution networks Monitoring and automation

attached to the side.

Additional components If the system voltage fails, an uninterruptible power supply (UPS) manufactured by Schneider supplies auxiliary power for a certain period. This capacitive 24 V DC UPS is used in the same housing shape in the rack to the left of the telecontrol unit. The remote control of the switch disconnectors is provided electrically by means of the LINAK iMotor-Compact, which is available for many different types of switchgear. SAE IT-systems GmbH & Co. KG Im Gewerbegebiet Pesch 14 50767 Köln (Cologne, Germany) Phone: +49(0)221/59808-0 Fax: +49(0)221/59808-60 info@sae-it.de www.sae-it.de

Intelligence for secondary distribution networks

Effects of the energy revolution on the distribution system

Copper plate or distributed intelligence

Legal framework conditions

Fast fault localisation

The distributed feed-in of renewable energies has changed

Rapid expansion of the power systems is hardly possible

In addition to the obligation for voltage stability, power sys-

The possibility of integrating short circuit and earth fault

conditions in the supply networks. The widespread feed-

and furthermore extremely cost-intensive. Therefore, intelli-

tem remuneration is coupled to the power system quality

indicators is of interest in particular for secondary unit

There are different approaches:

ing in of power from photovoltaic, wind and biogas plants

gent networks are a suitable solution, as the expansion can

provided using the Q factor under the German Ordinance

substations. The devices help to localise faults in the power

• Pick-off of currents and voltages on the MV side

is making it more and more complicated to ensure stable

be carried out selectively and at an appropriate time.

on Incentive Regulation. An improvement in availability and

system reliably. In the case of distributed generation and the

• Pick-off of currents and voltages on the LV side

The telecontrol station and all the telecontrol interfaces used

shortening of outage times would be in the economic inter-

resulting bidirectional power flow, the use of devices with

• Read-out of values from smart meters and protective unit

manage the values of the connected components in the

ests of the supply companies for this reason alone.

additional directional indication is recommended.

power systems with reliable voltage and frequency bands. There are many different approaches to "Smart Grids".

the currents is realised with the aid of cable-type current

web server and stored for more precise evaluations in the

transformers which are mounted on the phase conductor of

station archive. As it is not always practical to transmit all the

ity during integration play a particularly important role, as

and directional earth fault indicators provide comprehen-

the cable. Network analysis systems and short circuit/direc-

provided data to the control centre as well, a selection of the

well as the often restricted space conditions. SAE IT-systems

sive power system characteristic values for power system

tional earth fault indicators are connected at the EIA/RS-485

relevant data can be carried out in the telecontrol station.

concepts are attractive starting points for solving these

monitoring, such as:

interface using the Modbus RTU protocol.

When choosing a technologically and economically suitable

that approximately 10 to 15% of all SUS would have to be in-

telecontrol solution, the high number of objects and flexibil-

adjustment. But the effects of distributed suppliers are

corporated into an intelligent network to achieve significant

considerable precisely in the distribution networks, because

controllability. Already in some regions of Europe, 50% of

the meshed, usually heterogeneous structures typically lack

SUS are monitored and up to 20% are fully automated.

problems. Both the fast fault localisation and the possibilTherefore, the following questions arise:

The power systems and their switchgear have not been

unknown. The actual costs caused by premature replace-

from the secondary distribution networks? • How many measurement points and control variables are necessary?

ment of equipment and reduced remuneration for power system use owing to longer downtimes can be considerable.

ity of isolating fault locations help to restore a safe power

Load current monitor

system status.

• Detection of phase currents L1, L2, L3

• How can the resulting measurement, analysis and control tasks be implemented in a cost-effective and user-friendly manner?

Control centre

• Average values of the last 15 minutes

• What information is needed for a secure electricity supply

loads, which reduce its service life. Without additional sensor systems and data collection, these states remain largely

station image. All the information from the measurement

In addition to simple fault detection, directional short circuit

secondary unit substations (SUS) in use. Experts estimate

control, for example, provide necessary mechanisms for

power system operating equipment can come under great

using IEC 60870-5-103 or IEC 61850.

Extensive power system monitoring

networks, bottleneck management and transformer tap

planned or designed for these new energy flows. So the

IEC 62056-21 serial interface. Protective units are coupled

points can be read out and displayed using setIT or the

In Germany there are currently approximately 500,000

ble transformers.

Meters can be integrated using the SML protocol or the

With the pick-off-type configurations, the measurement of

In the high and medium voltage (HV/MV) transmission

regulation algorithms and control variables such as adjusta-

How does it work?

System management and wide-range regulation

• Non-return pointer function

The field devices of the series5 family of products provide

• Detection of unbalance current IE

management. Thanks to the integration of further intelligent

Voltage monitor

components such as:

• Detection of phase voltages ULL

• Directional short circuit and

• Displacement voltage UNE

directional earth fault indicators • Network analysis systems

Monitoring of other power system characteristic values:

• Protective Equipment

• P, Q, S, cos ϕ, f

FW-5 with DSO extension unit

Switching

all the information and functions needed for power system

Modbus RTU Medium voltage system

Directional short circuit and directional earth fault indicators for MV

Current

Voltage detecting system or tapping at the socket module of the switching station

• Smart meters and SyM² meters,

Maximum voltage system

Protective system and system measurement

Power system control and telecontrol

tailor-made adaptation of the measurement points is

Detection of power flow direction:

possible, which can be incorporated into local or regional

• Forwards/backwards, A/B

Low voltage system

Capacitive voltage detection

SF6-insulated

programmes for power system management and widerange regulation. Reducing the use of distributed generation

Air-insulated

In the MS, the voltage is measured either at the socket modules of the switchgear or by additional voltage testing systems.

plants in feed-in management is the least preferred measure. Control centre

FW-50 or FW-5000

Medium voltage system

Control centre

Secure operation

High voltage system

Protective equipment

Combined expertise

The DSO (Distribution System Operator) modules allow

We have made it our business not only to sell sys-

secure command termination in networks by means of:

tems but also to work together with our customers

• 1-of-n monitoring

to find exactly the right solutions. For us this means

• External circuit testing

supplementing our own products with those of

• Optional cascading for command groups

other manufacturers to produce a practical overall

* FW-5 or FW-50

solution. When we select partners to work with us,

The command relays are 1.5- or 2-pole and managed by

we naturally apply the same high standards of qual-

means of release relays. Activation can take place in single

ity and functionality as we do to our own products.

or double commands. Servomotors can be controlled

Low voltage system

securely with the aid of these special modules. Affected network segments can be removed rapidly from the network §6 Abs. 1 EEG

Switching

Medium voltage system

Modbus RTU

Current

Directional short circuit and directional earth fault indicators for LV

Voltage

Voltage tap UAK

Low voltage system

and the availability of intact sections can be restored quickly

FW-5

as a result. The foundation stone of an intelligent network is laid. In the IS, the voltage is measured directly at the bus bar with the aid of UAK voltage pick-offs.

* Directional short circuit and directional earth fault indicators ** Voltage detecting system

Intelligence for secondary distribution networks

FW-5 with DSO extension unit

Effects of the energy revolution on the distribution system

Copper plate or distributed intelligence

Legal framework conditions

Fast fault localisation

The distributed feed-in of renewable energies has changed

Rapid expansion of the power systems is hardly possible

In addition to the obligation for voltage stability, power sys-

The possibility of integrating short circuit and earth fault

conditions in the supply networks. The widespread feed-

and furthermore extremely cost-intensive. Therefore, intelli-

tem remuneration is coupled to the power system quality

indicators is of interest in particular for secondary unit

There are different approaches:

ing in of power from photovoltaic, wind and biogas plants

gent networks are a suitable solution, as the expansion can

provided using the Q factor under the German Ordinance

substations. The devices help to localise faults in the power

• Pick-off of currents and voltages on the MV side

is making it more and more complicated to ensure stable

be carried out selectively and at an appropriate time.

on Incentive Regulation. An improvement in availability and

system reliably. In the case of distributed generation and the

• Pick-off of currents and voltages on the LV side

The telecontrol station and all the telecontrol interfaces used

shortening of outage times would be in the economic inter-

resulting bidirectional power flow, the use of devices with

• Read-out of values from smart meters and protective unit

manage the values of the connected components in the

ests of the supply companies for this reason alone.

additional directional indication is recommended.

power systems with reliable voltage and frequency bands. There are many different approaches to "Smart Grids".

the currents is realised with the aid of cable-type current

web server and stored for more precise evaluations in the

transformers which are mounted on the phase conductor of

station archive. As it is not always practical to transmit all the

ity during integration play a particularly important role, as

and directional earth fault indicators provide comprehen-

the cable. Network analysis systems and short circuit/direc-

provided data to the control centre as well, a selection of the

well as the often restricted space conditions. SAE IT-systems

sive power system characteristic values for power system

tional earth fault indicators are connected at the EIA/RS-485

relevant data can be carried out in the telecontrol station.

concepts are attractive starting points for solving these

monitoring, such as:

interface using the Modbus RTU protocol.

When choosing a technologically and economically suitable

that approximately 10 to 15% of all SUS would have to be in-

telecontrol solution, the high number of objects and flexibil-

adjustment. But the effects of distributed suppliers are

corporated into an intelligent network to achieve significant

considerable precisely in the distribution networks, because

controllability. Already in some regions of Europe, 50% of

the meshed, usually heterogeneous structures typically lack

SUS are monitored and up to 20% are fully automated.

problems. Both the fast fault localisation and the possibilTherefore, the following questions arise:

The power systems and their switchgear have not been

unknown. The actual costs caused by premature replace-

from the secondary distribution networks? • How many measurement points and control variables are necessary?

ment of equipment and reduced remuneration for power system use owing to longer downtimes can be considerable.

ity of isolating fault locations help to restore a safe power

Load current monitor

system status.

• Detection of phase currents L1, L2, L3

• How can the resulting measurement, analysis and control tasks be implemented in a cost-effective and user-friendly manner?

Control centre

• Average values of the last 15 minutes

• What information is needed for a secure electricity supply

loads, which reduce its service life. Without additional sensor systems and data collection, these states remain largely

station image. All the information from the measurement

In addition to simple fault detection, directional short circuit

secondary unit substations (SUS) in use. Experts estimate

control, for example, provide necessary mechanisms for

power system operating equipment can come under great

using IEC 60870-5-103 or IEC 61850.

Extensive power system monitoring

networks, bottleneck management and transformer tap

planned or designed for these new energy flows. So the

IEC 62056-21 serial interface. Protective units are coupled

points can be read out and displayed using setIT or the

In Germany there are currently approximately 500,000

ble transformers.

Meters can be integrated using the SML protocol or the

With the pick-off-type configurations, the measurement of

In the high and medium voltage (HV/MV) transmission

regulation algorithms and control variables such as adjusta-

How does it work?

System management and wide-range regulation

• Non-return pointer function

The field devices of the series5 family of products provide

• Detection of unbalance current IE

management. Thanks to the integration of further intelligent

Voltage monitor

components such as:

• Detection of phase voltages ULL

• Directional short circuit and

• Displacement voltage UNE

directional earth fault indicators • Network analysis systems

Monitoring of other power system characteristic values:

• Protective Equipment

• P, Q, S, cos ϕ, f

FW-5 with DSO extension unit

Switching

all the information and functions needed for power system

Modbus RTU Medium voltage system

Directional short circuit and directional earth fault indicators for MV

Current

Voltage detecting system or tapping at the socket module of the switching station

• Smart meters and SyM² meters,

Maximum voltage system

Protective system and system measurement

Power system control and telecontrol

tailor-made adaptation of the measurement points is

Detection of power flow direction:

possible, which can be incorporated into local or regional

• Forwards/backwards, A/B

Low voltage system

Capacitive voltage detection

SF6-insulated

programmes for power system management and widerange regulation. Reducing the use of distributed generation

Air-insulated

In the MS, the voltage is measured either at the socket modules of the switchgear or by additional voltage testing systems.

plants in feed-in management is the least preferred measure. Control centre

FW-50 or FW-5000

Medium voltage system

Control centre

Secure operation

High voltage system

Protective equipment

Combined expertise

The DSO (Distribution System Operator) modules allow

We have made it our business not only to sell sys-

secure command termination in networks by means of:

tems but also to work together with our customers

• 1-of-n monitoring

to find exactly the right solutions. For us this means

• External circuit testing

supplementing our own products with those of

• Optional cascading for command groups

other manufacturers to produce a practical overall

* FW-5 or FW-50

solution. When we select partners to work with us,

The command relays are 1.5- or 2-pole and managed by

we naturally apply the same high standards of qual-

means of release relays. Activation can take place in single

ity and functionality as we do to our own products.

or double commands. Servomotors can be controlled

Low voltage system

securely with the aid of these special modules. Affected network segments can be removed rapidly from the network §6 Abs. 1 EEG

Switching

Medium voltage system

Modbus RTU

Current

Directional short circuit and directional earth fault indicators for LV

Voltage

Voltage tap UAK

Low voltage system

and the availability of intact sections can be restored quickly

FW-5

as a result. The foundation stone of an intelligent network is laid. In the IS, the voltage is measured directly at the bus bar with the aid of UAK voltage pick-offs.

* Directional short circuit and directional earth fault indicators ** Voltage detecting system

Intelligence for secondary distribution networks

FW-5 with DSO extension unit

Effects of the energy revolution on the distribution system

Copper plate or distributed intelligence

Legal framework conditions

Fast fault localisation

The distributed feed-in of renewable energies has changed

Rapid expansion of the power systems is hardly possible

In addition to the obligation for voltage stability, power sys-

The possibility of integrating short circuit and earth fault

conditions in the supply networks. The widespread feed-

and furthermore extremely cost-intensive. Therefore, intelli-

tem remuneration is coupled to the power system quality

indicators is of interest in particular for secondary unit

There are different approaches:

ing in of power from photovoltaic, wind and biogas plants

gent networks are a suitable solution, as the expansion can

provided using the Q factor under the German Ordinance

substations. The devices help to localise faults in the power

• Pick-off of currents and voltages on the MV side

is making it more and more complicated to ensure stable

be carried out selectively and at an appropriate time.

on Incentive Regulation. An improvement in availability and

system reliably. In the case of distributed generation and the

• Pick-off of currents and voltages on the LV side

The telecontrol station and all the telecontrol interfaces used

shortening of outage times would be in the economic inter-

resulting bidirectional power flow, the use of devices with

• Read-out of values from smart meters and protective unit

manage the values of the connected components in the

ests of the supply companies for this reason alone.

additional directional indication is recommended.

power systems with reliable voltage and frequency bands. There are many different approaches to "Smart Grids".

the currents is realised with the aid of cable-type current

web server and stored for more precise evaluations in the

transformers which are mounted on the phase conductor of

station archive. As it is not always practical to transmit all the

ity during integration play a particularly important role, as

and directional earth fault indicators provide comprehen-

the cable. Network analysis systems and short circuit/direc-

provided data to the control centre as well, a selection of the

well as the often restricted space conditions. SAE IT-systems

sive power system characteristic values for power system

tional earth fault indicators are connected at the EIA/RS-485

relevant data can be carried out in the telecontrol station.

concepts are attractive starting points for solving these

monitoring, such as:

interface using the Modbus RTU protocol.

When choosing a technologically and economically suitable

that approximately 10 to 15% of all SUS would have to be in-

telecontrol solution, the high number of objects and flexibil-

adjustment. But the effects of distributed suppliers are

corporated into an intelligent network to achieve significant

considerable precisely in the distribution networks, because

controllability. Already in some regions of Europe, 50% of

the meshed, usually heterogeneous structures typically lack

SUS are monitored and up to 20% are fully automated.

problems. Both the fast fault localisation and the possibilTherefore, the following questions arise:

The power systems and their switchgear have not been

unknown. The actual costs caused by premature replace-

from the secondary distribution networks? • How many measurement points and control variables are necessary?

ment of equipment and reduced remuneration for power system use owing to longer downtimes can be considerable.

ity of isolating fault locations help to restore a safe power

Load current monitor

system status.

• Detection of phase currents L1, L2, L3

• How can the resulting measurement, analysis and control tasks be implemented in a cost-effective and user-friendly manner?

Control centre

• Average values of the last 15 minutes

• What information is needed for a secure electricity supply

loads, which reduce its service life. Without additional sensor systems and data collection, these states remain largely

station image. All the information from the measurement

In addition to simple fault detection, directional short circuit

secondary unit substations (SUS) in use. Experts estimate

control, for example, provide necessary mechanisms for

power system operating equipment can come under great

using IEC 60870-5-103 or IEC 61850.

Extensive power system monitoring

networks, bottleneck management and transformer tap

planned or designed for these new energy flows. So the

IEC 62056-21 serial interface. Protective units are coupled

points can be read out and displayed using setIT or the

In Germany there are currently approximately 500,000

ble transformers.

Meters can be integrated using the SML protocol or the

With the pick-off-type configurations, the measurement of

In the high and medium voltage (HV/MV) transmission

regulation algorithms and control variables such as adjusta-

How does it work?

System management and wide-range regulation

• Non-return pointer function

The field devices of the series5 family of products provide

• Detection of unbalance current IE

management. Thanks to the integration of further intelligent

Voltage monitor

components such as:

• Detection of phase voltages ULL

• Directional short circuit and

• Displacement voltage UNE

directional earth fault indicators • Network analysis systems

Monitoring of other power system characteristic values:

• Protective Equipment

• P, Q, S, cos ϕ, f

FW-5 with DSO extension unit

Switching

all the information and functions needed for power system

Modbus RTU Medium voltage system

Directional short circuit and directional earth fault indicators for MV

Current

Voltage detecting system or tapping at the socket module of the switching station

• Smart meters and SyM² meters,

Maximum voltage system

Protective system and system measurement

Power system control and telecontrol

tailor-made adaptation of the measurement points is

Detection of power flow direction:

possible, which can be incorporated into local or regional

• Forwards/backwards, A/B

Low voltage system

Capacitive voltage detection

SF6-insulated

programmes for power system management and widerange regulation. Reducing the use of distributed generation

Air-insulated

In the MS, the voltage is measured either at the socket modules of the switchgear or by additional voltage testing systems.

plants in feed-in management is the least preferred measure. Control centre

FW-50 or FW-5000

Medium voltage system

Control centre

Secure operation

High voltage system

Protective equipment

Combined expertise

The DSO (Distribution System Operator) modules allow

We have made it our business not only to sell sys-

secure command termination in networks by means of:

tems but also to work together with our customers

• 1-of-n monitoring

to find exactly the right solutions. For us this means

• External circuit testing

supplementing our own products with those of

• Optional cascading for command groups

other manufacturers to produce a practical overall

* FW-5 or FW-50

solution. When we select partners to work with us,

The command relays are 1.5- or 2-pole and managed by

we naturally apply the same high standards of qual-

means of release relays. Activation can take place in single

ity and functionality as we do to our own products.

or double commands. Servomotors can be controlled

Low voltage system

securely with the aid of these special modules. Affected network segments can be removed rapidly from the network §6 Abs. 1 EEG

Switching

Medium voltage system

Modbus RTU

Current

Directional short circuit and directional earth fault indicators for LV

Voltage

Voltage tap UAK

Low voltage system

and the availability of intact sections can be restored quickly

FW-5

as a result. The foundation stone of an intelligent network is laid. In the IS, the voltage is measured directly at the bus bar with the aid of UAK voltage pick-offs.

* Directional short circuit and directional earth fault indicators ** Voltage detecting system

Intelligence for secondary distribution networks

FW-5 with DSO extension unit

Even special requirements are possible The net-line FWG-50 has been designed according to the

The telecontrol unit communicates with higher level devices

requirements of one of our clients, specifically for the auto-

by means of the standardised telecontrol protocols

mation of 10 kV distribution stations. The telecontrol unit is

IEC 60870-5-101 or -104.

composed of standard components of the series5 family of products. A special feature of this system is its accommo-

The FWG-50 also has the following functions:

dation in a metal housing as a rack drawer. Its 8.8 cm height and 60 cm depth has been adapted to restricted space

• Detection of faults in the medium voltage station and UPS

conditions in 10 kV distribution stations and allows the unit

• Remote control of the ring cable switch disconnectors

to be accommodated inside the station.

• Control of 3 ring switches by 1.5-pole double commands

In addition to the telecontrol unit, the housing also has

• 1-of-n command termination with switch position check-

space for a communication component such as a TETRA radio modem, DSL modem, VFT dedicated line modem or another type of interface.

back signal by means of double-point information • Detection of short circuit indicators of the 3 outgoing circuits • Resetting of short circuit indicators

All the supply and communication connections necessary

• Two measurands e.g. for transformer temperature

for operation lead out of the front. The required status infor-

• Standardised terminals for flexible replacement

mation is displayed on the front panel using LEDs. Process integration takes place by means of a Harting connector

Intelligence for secondary distribution networks Monitoring and automation

attached to the side.

Intelligence for secondary distribution networks

Even special requirements are possible The net-line FWG-50 has been designed according to the

The telecontrol unit communicates with higher level devices

requirements of one of our clients, specifically for the auto-

by means of the standardised telecontrol protocols

mation of 10 kV distribution stations. The telecontrol unit is

IEC 60870-5-101 or -104.

composed of standard components of the series5 family of products. A special feature of this system is its accommo-

The FWG-50 also has the following functions:

dation in a metal housing as a rack drawer. Its 8.8 cm height and 60 cm depth has been adapted to restricted space

• Detection of faults in the medium voltage station and UPS

conditions in 10 kV distribution stations and allows the unit

• Remote control of the ring cable switch disconnectors

to be accommodated inside the station.

• Control of 3 ring switches by 1.5-pole double commands

In addition to the telecontrol unit, the housing also has

• 1-of-n command termination with switch position check-

space for a communication component such as a TETRA radio modem, DSL modem, VFT dedicated line modem or another type of interface.

back signal by means of double-point information • Detection of short circuit indicators of the 3 outgoing circuits • Resetting of short circuit indicators

All the supply and communication connections necessary

• Two measurands e.g. for transformer temperature

for operation lead out of the front. The required status infor-

• Standardised terminals for flexible replacement

mation is displayed on the front panel using LEDs. Process integration takes place by means of a Harting connector

Intelligence for secondary distribution networks Monitoring and automation

attached to the side.

Additional components If the system voltage fails, an uninterruptible power supply (UPS) manufactured by Schneider supplies auxiliary power for a certain period. This capacitive 24 V DC UPS is used in the same housing shape in the rack to the left of the telecontrol unit. The remote control of the switch disconnectors is provided electrically by means of the LINAK iMotor-Compact, which is available for many different types of switchgear. ADVANIO TECHNOLOGY CO., LTD.11F International College No. 1, Sec. 1, Xuecheng Rd.,Dashu Dist, Kaohsiung 840, Taiwan Phone: +886-7-656-7126 Fax: +886-7-656 7128 info@advanio.com.tw www.advanio.com.tw

Intelligence for secondary distribution networks

SAE IT-systems GmbH & Co. KG Im Gewerbegebiet Pesch 14 50767 Köln (Cologne, Germany) Phone: +49(0)221/59808-0 Fax: +49(0)221/59808-60 info@sae-it.de www.sae-it.de

Intelligence for secondary distribution networks