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Telecontrol Connection for Customer Transfer Stations

Whether power generation plants, storage systems or load customers: When it comes to the medium-voltage connection, customer transfer stations need to be linked through telecontrol technology. Even though the TCRs (technical connection rules) vary from one grid operator to another, in about three quarters of German medium-voltage grid territories, WAGO’s Customer Substation software application lets you establish the connection in just ten minutes, because the application offers standardized, pre-configured software for various grid territories.

In addition, WAGO can offer solutions for your company’s specific level of programming expertise and staffing according to your specific needs, whether for system integration, switchgear manufacturing or station building.

Advantages:

  • Industry-proven telecontrol technology hardware; hardened per BDEW white paper
  • Easy software parameterization with no programming per VDE-AR-N 4110
  • Complete solution consisting of hardware and software in a ready-made control cabinet

What is a Telecontrol Connection for?

Decentralized generation systems and customer transfer stations that link directly to a grid operator’s medium-voltage network need to be connected via telecontrol technology. This is necessary for two reasons above all:

  1. For grid operation:
    This requires transmitting signals, data and/or messages, such as position reports on the medium-voltage switchgear, warning and error messages about the system and the equipment to protect the grid, feedback about system availability, measured operational values at the grid connection point and information about the control of the supply of reactive power.
  2. For feed-in management per §9 of the German Renewable Energies Act EEG:
    Here the telecontrol connection is used with generation plants and storage systems in order to transfer the setpoints for reactive power feed-in (including feedback) and the measured values for recording the actual output.

The implementation of both grid operation and feed-in management needs to be combined into one telecontrol device. Through so-called grid guidelines, specifications and technical connection rules (TCRs), grid operators set their specific requirements on the telecontrol connection of customer transfer stations in medium-voltage grids.

For medium voltage, the distribution grid operator provides a gateway that makes the required signals available at a communication interface, and these gateways may differ. For example, Westnetz provides an IP-based interface (IEC 60870-15-104), while a serial protocol (IEC 60870-5-101) is provided for the telecontrol connection to e.on’s medium-voltage grids.

These interfaces then represent the property boundary between the grid operator and customer. On the customer side, corresponding telecontrol technology must be deployed to provide the required signals.

Grid Territories

Complete solutions are available from WAGO for customer transfer stations for the following territories:

  • Avacon Netz GmbH
  • Bayernwerk Netz GmbH
  • E.DIS Netz GmbH
  • HanseWerk AG (including the grid operator of the HanseWerk Group)
  • Netze BW
  • EWE
  • Westnetz
  • WEMAG
  • Thüringer Energienetze
  • Vorarlberger Energienetze GmbH

Is your grid territory is not listed?

WAGO can also simplify the telecontrol connection of generation systems, storage systems and load customers to the medium-voltage grids of other supply territories in accordance with VDE-AR-N 4110.

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Illustration of the channels of communication between the distribution system operator’s grid management system and the customer’s system

Schematic representation of the components in the customer’s system

Generation Plants at the Medium-Voltage Network

Telecontrol Connection – Easy, Scalable and Flexible

WAGO telecontrol technology is proven in practice in the energy industry – especially in substations, where it serves as a data collection point and interface coordinator. In addition to a wide variety of other protocols, it includes the IEC 60870-5-101, -103, -104 and Modbus® communication protocols required for the telecontrol connection of energy generation plants and the necessary cybersecurity packages.

The communication libraries for the telecontrol connection of generation systems, most of which are free of charge, have already been adapted to the relevant specifications or signals of the grid operators’ technical connection rules (TCRs) and are easy to parameterize on the software side in combination with WAGO telecontrol technology.

WAGO offers a plug-and-play solution as a full-service package consisting of pre-wired control cabinets tailored to the relevant grid connection specifications, including simple sample programs for parameterization.

The WAGO Solution at a Glance:

  • No-cost communication libraries for the telecontrol technology connection of decentral generation plants, storage and load customers in the medium-voltage networks of e.on, Westnetz, EnBW and EWE
  • Plug and play: With complete solutions customized to the respective specifications of the specific network operator; they consist of a pre-wired control cabinet with corresponding hardware and easy-to-parameterize example programs.
  • Efficient support and service during hardware procurement as well as the experience and knowledge to also provide support to deviating network areas in connecting the network to medium voltage per VDE AR N 4110

Medium-Voltage Grid Connection
– a Simple Plug-and-Play Approach

Simply select the grid territory, set the parameters and put the system into operation – WAGOAppRTU_Slaves or the WAGO Customer Substation application makes the telecontrol connection of the customer transfer station according to your specific requirements much easier.

Simply select the grid territory, set the parameters and put the system into operation – WAGOAppRTU_Slaves or the WAGO Customer Substation application makes the telecontrol connection of the customer transfer station according to your specific requirements much easier.

Simply select the grid territory, set the parameters and put the system into operation – WAGOAppRTU_Slaves or the WAGO Customer Substation application makes the telecontrol connection of the customer transfer station according to your specific requirements much easier.

Standards-Compliant Medium-Voltage Connection – According to Your Specific Requirements

An Overview of the Possibilities

To guarantee grid stability, distribution grid operators require the possibility of monitoring and switching customers’ systems. This involves significant programming effort for the corresponding interfaces in the grid connection point (GCP).

Explore the various options for quick and easy remote connection of customer transfer stations and find the one that matches the specific level of expertise or staffing in your own company.

WAGOAppRTU_Slaves – for System Integrators

Does your company have plenty of programming know-how? For example, system integrators who use WAGO telecontrol technology can access ready-made communication libraries as simple modules for the IEC 60870 connection of customer systems in accordance with the guidelines using the WAGOAppRTU_Slaves library and integrate them into an e!COCKPIT project as the programming environment. We provide the WAGOAppRTU_Slaves library for download free of charge for a variety of grid territories.

The WAGO Customer Substation Application – for Control Cabinet Manufacturers

Parameter setting, not programming: The WAGO Customer Substation application is ideal for switchgear manufacturers (item no. as a DRM license: 2759-2018/0260-1000). As a ready-made software solution, it reduces programming effort and saves time on commissioning of customer transfer stations. With it, you can establish a grid-compliant medium-voltage telecontrol connection in just ten minutes Furthermore, a direct marketer interface is already integrated into the combination of the WAGO telecontrol device* and the application. Therefore, it requires no additional hardware – and that saves cabinet space and money.

*Note: We recommend using second-generation WAGO telecontrol PFC200s with the numerical extension 750_82XX/XXX-XX1 or -XX2, since these already include a telecontrol license. WAGO telecontrol devices without these numerical extensions require purchase of an additional telecontrol license.

Ready-Made Control Cabinets – a Plug-and-Play Solution for Station Builders

As a producer of high-quality telecontrol technology, WAGO also offers optional TCR-compliant pre-wired, pre-programmed control cabinets. This combination of hardware and software yields a cost-effective complete solution from a single source that has been tried and tested under real operating conditions. These control cabinets are designed according to the TCRs of e.on’s grid subsidiaries’ grid territories (AVACON, E.DIS, SH Netz and Bayernwerk), Westnetz, WEMAG Netz, NetzeBW and EWE. Preconfigured control cabinets including software (e.g., item no.: 8007-0100/1000-0247), a combination including protective devices (item no.: 8007-0100/1000-0270) and other variants including protective functions are available upon request.

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Related to
Telecontrol Technology Connections

RTU for Telecontrol Technology

The WAGO RTU solutions use the modular WAGO I/O System, which has a long-standing record of success, as the platform. Special telecontrol protocols (IEC 61850, IEC 60870, DNP3, Modbus®) were added to the scalable-performance controllers. In combination with the option of IEC-61131-3 programming, this allows all tasks – both telecontrol communication tasks and station automation tasks – to be handled flexibly and, above all, easily.

Power Plant Controllers with WAGO Power Plant Control

Power plant controllers help power plants achieve grid-compatible feed-in management at the grid connection point (GCP).

WAGO Power Plant Control allows plant operators and system integrators to meet the requirements for these controllers that are set on the grid side – flexibly and reliably. The solution is certified per VDE-AR-N 4110 and 4120.

Reliable Telecontrol Technology

The world’s fossil fuel supply is finite, and global warming is already well underway. Failure is not an option for the energy transition. Telecontrol technology will play a special role in the implementation, since the electricity, gas, water and heat infrastructures in particular involve spread-out service areas and remote stations.

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