Wind Energy

Operating wind power stations with high availability

Generator

Feeding medium voltage safely into the system

When it comes to high availability and reliability of wind energy systems, the plant operator has just one objective - to avoid any unexpected downtime or problems with everyday operation. For an unearthed asynchronous generator with squirrel cage rotor, a blind performance compensation device is installed in parallel to the generator. For modern systems, the generator speed is disconnected from the network frequency by means of an alternating current inverter. Electrical safety plays a decisive role. An undetected isolation fault is just as significant as unexpected system downtime or can increase the fire risk. At the same time, unplanned service interventions can be expensive and time-consuming.

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Control voltage

High availability requires a reliable supply

The energy that the wind energy system requires for operation is fed in as control voltage from outside and must be monitored for electrical safety. After all, an undetected electrical fault is as significant as unexpected system downtime and also significantly increases the fire risk. At the same, unplanned service interventions can be expensive and time-consuming. Wind energy plant insurers also demand effective condition monitoring systems. The Bender Condition Monitoring System gives you a clear overview of all the relevant data for your system.

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Network and system protection

Safe voltage and frequency levels

Before internal generation systems (photovoltaics, water power, CHP, biogas, etc.) can feed electrical energy into the public grid, an automatic switching point must be installed between the generation system and the low voltage network. This checks whether the frequency and voltage fed in are within the specified range. The VMD three-phase voltage monitoring relay is used to pre-configure numerous standard specifications at the touch of a button.

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Pitch-Control

Turn the blades safely toward the wind

Unexpected shutdowns of safety-critical systems and downtime for wind energy plants are avoided using a controller which monitors the pitch based on RCMS residual current monitoring systems. 

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Azimuth control

Follow the wind for the highest efficiency and safety level

The monitoring of the azimuth control by RCMA or RCMS enables early detection of creeping insulation deterioration. Shutdowns are avoided and the product safety of your system is improved. 

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Communication

Centrally monitored, centrally under control

The decentralised wind energy systems (WES) are monitored centrally by a control centre. The necessary data and information is provided by Bender gateways and condition monitoring systems. Using a gateway or condition monitor from the COMTRAXX® range, the insulation resistance or any residual current occurring is reported to the higher level monitoring systems or a control centre.

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Downloads

NameCategorySizeLanguageTimestampD-/B-Number
Product Overview ISOMETER®/ISOSCAN® Product Overviews 5.3 MB EN2024/02/1616.02.2024
Product Overview - Residual Current Monitoring Product Overviews 6.2 MB EN2023/11/0909.11.2023
Renewable Energy Market Segment Brochures 4.3 MB EN2017/02/2727.02.2017
Insulation Fault Location - Planning and Setup Technical article 112.4 KB EN2019/05/1313.05.2019
Safe Connection to the Grid VMD460-NA Flyer 222.0 KB EN2019/05/1313.05.2019D00001
Answers for Tomorrow Technical article 764.8 KB EN2019/05/1313.05.2019
Electrical Safety in Control and Auxiliary Circuits Technical article 632.6 KB EN2023/04/2121.04.2023
Fire safety in wind power stations Technical article 20.0 B EN2023/05/1515.05.2023

Products

Communication

COMTRAXX® COM465IP

Condition Monitor with an integrated gateway for the connection of Bender devices to Ethernet-TCP/IP networks

Insulation monitoring

ISOMETER® iso685…
ISOMETER® iso685…

Insulation monitoring device for inverter applications and large industrial plants

Insulation fault location

ISOSCAN® EDS150
ISOSCAN® EDS150

Insulation fault locator with 6 integrated measuring current transformers for localisation of insulation faults in main circuits

ISOSCAN® EDS151
ISOSCAN® EDS151

Insulation fault locator with 6 integrated measuring current transformers for localisation of insulation faults in control circuits

ISOSCAN® EDS30…
ISOSCAN® EDS30…

Portable insulation fault location systems for unearthed and earthed systems (IT and TN systems)

ISOSCAN® EDS440
ISOSCAN® EDS440

Insulation fault locator for localisation of insulation faults in main circuits

ISOSCAN® EDS441
ISOSCAN® EDS441

Insulation fault locator for localisation of insulation faults in control circuits

ISOSCAN® EDS460-D
ISOSCAN® EDS460-D

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

ISOSCAN® EDS460-DG
ISOSCAN® EDS460-DG

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

ISOSCAN® EDS460-L
ISOSCAN® EDS460-L

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

ISOSCAN® EDS461-D
ISOSCAN® EDS461-D

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

ISOSCAN® EDS461-L
ISOSCAN® EDS461-L

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

ISOSCAN® EDS490-D
ISOSCAN® EDS490-D

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

ISOSCAN® EDS490-L
ISOSCAN® EDS490-L

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

ISOSCAN® EDS491-D

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

ISOSCAN® EDS491-L
ISOSCAN® EDS491-L

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Residual current monitoring

LINETRAXX® SmartDetect RCMS410

Four-channel DC, AC and pulse current sensitive residual current monitor for earthed AC, AC/DC and DC systems

LINETRAXX® RCMS460-D
LINETRAXX® RCMS460-D

Multichannel AC, pulsed DC and AC/DC sensitive residual current monitor

LINETRAXX® RCMS460-L
LINETRAXX® RCMS460-L

Multichannel AC, pulsed DC and AC/DC sensitive residual current monitor

LINETRAXX® RCMS490-D
LINETRAXX® RCMS490-D

Multichannel AC, pulsed DC and AC/DC sensitive residual current monitor with one alarm contact per channel

LINETRAXX® RCMS490-L
LINETRAXX® RCMS490-L

Multichannel AC, pulsed DC and AC/DC sensitive residual current monitor with one alarm contact per channel

Measuring and monitoring relays

LINETRAXX® VMD460-NA
LINETRAXX® VMD460-NA

Network and system protection (NS protection) for monitoring the power infeed of power generation systems

Communication

COMTRAXX® COM465IP

Condition Monitor with an integrated gateway for the connection of Bender devices to Ethernet-TCP/IP networks

Details

Insulation monitoring

ISOMETER® iso685…
ISOMETER® iso685…

Insulation monitoring device for inverter applications and large industrial plants

Details

Insulation fault location

ISOSCAN® EDS150
ISOSCAN® EDS150

Insulation fault locator with 6 integrated measuring current transformers for localisation of insulation faults in main circuits

Details
ISOSCAN® EDS151
ISOSCAN® EDS151

Insulation fault locator with 6 integrated measuring current transformers for localisation of insulation faults in control circuits

Details
ISOSCAN® EDS30…
ISOSCAN® EDS30…

Portable insulation fault location systems for unearthed and earthed systems (IT and TN systems)

Details
ISOSCAN® EDS440
ISOSCAN® EDS440

Insulation fault locator for localisation of insulation faults in main circuits

Details
ISOSCAN® EDS441
ISOSCAN® EDS441

Insulation fault locator for localisation of insulation faults in control circuits

Details
ISOSCAN® EDS460-D
ISOSCAN® EDS460-D

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Details
ISOSCAN® EDS460-DG
ISOSCAN® EDS460-DG

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Details
ISOSCAN® EDS460-L
ISOSCAN® EDS460-L

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Details
ISOSCAN® EDS461-D
ISOSCAN® EDS461-D

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Details
ISOSCAN® EDS461-L
ISOSCAN® EDS461-L

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Details
ISOSCAN® EDS490-D
ISOSCAN® EDS490-D

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Details
ISOSCAN® EDS490-L
ISOSCAN® EDS490-L

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Details
ISOSCAN® EDS491-D

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Details
ISOSCAN® EDS491-L
ISOSCAN® EDS491-L

- This device series is in the discontinuation phase. -
Deliverable according to availability until 01.01.2025.

Details

Residual current monitoring

LINETRAXX® SmartDetect RCMS410

Four-channel DC, AC and pulse current sensitive residual current monitor for earthed AC, AC/DC and DC systems

Details
LINETRAXX® RCMS460-D
LINETRAXX® RCMS460-D

Multichannel AC, pulsed DC and AC/DC sensitive residual current monitor

Details
LINETRAXX® RCMS460-L
LINETRAXX® RCMS460-L

Multichannel AC, pulsed DC and AC/DC sensitive residual current monitor

Details
LINETRAXX® RCMS490-D
LINETRAXX® RCMS490-D

Multichannel AC, pulsed DC and AC/DC sensitive residual current monitor with one alarm contact per channel

Details
LINETRAXX® RCMS490-L
LINETRAXX® RCMS490-L

Multichannel AC, pulsed DC and AC/DC sensitive residual current monitor with one alarm contact per channel

Details

Measuring and monitoring relays

LINETRAXX® VMD460-NA
LINETRAXX® VMD460-NA

Network and system protection (NS protection) for monitoring the power infeed of power generation systems

Details

Standards

DIN EN 61400-2

Wind turbines - Part 2: Requirements for small wind turbines

DIN EN 60255-127

Measuring relays and protection equipment - Part 127: Functional requirements for over/under voltage protection

DIN EN 50178

Electronic equipment for use in power installations

CEI 0-21

Regola tecnica di riferimento per la connessione di Utenti attivi e passivi alle reti AT ed MT delle imprese distributrici di energia elettrica (Reference technical rules for the connection of active and passive consumers to the HV and MV electrical networks of distribution Company)

VDE-AR-N 4105

Anwendungsregel:2011-08 Erzeugungsanlagen am Niederspannungsnetz Technische Mindestanforderungen für Anschluss und Parallelbetrieb von Erzeugungsanlagen am Niederspannungsnetz

DIN VDE 0126-1-1/A1

Selbsttätige Schaltstelle zwischen einer netzparallelen Eigenerzeugungsanlage und dem öffentlichen Niederspannungsnetz (Norm wurde zurückgezogen und durch DIN VDE V 0126-1-1 ersetzt)

C10/11

Specifieke technische aansluitingsvoorschriften voor gedecentraliseerde productie-installaties die in parallel werken met het distributienet

G59/2

Recommendations for the Connection of Generating Plant to the Distribution Systems of Licensed Distribution Network Operators

G59/3

Recommendations for the Connection of Generating Plant to the Distribution Systems of Licensed Distribution Network Operators

G83/3

Recommendations for the Connection of Type Tested Small-scale Embedded Generators (up to 16A per phase) in parallel with Low Voltage Distribution Systems

G83/2

Recommendations for the Connection of Type Tested Small-scale Embedded Generators (up to 16A per phase) in parallel with Low Voltage Distribution Systems

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