CS_Switzerland_Albula-Landwasser Kraftwerke AG_Security Intercom_EN

POWER PLANTS

Albula-Landwasser Kraftwerke AG / Case Study 389 million kWh annual output

346 sq km catchment area

2 sites

1 security solution by Commend

SIMPLICITY meets POWER

Albula-Landwasser Kraftwerke AG

Security at the touch of a button

Photo(s): Albula-Landwasser Kraftwerke AG

Project Details Customer

The Challenge By 2010, the existing installations at the Albula power plant complex

Albula-Landwasser Kraftwerke AG, Grisons, Switzerland

were already seriously out of date which is why a comprehensive

Project Type

– in 2011 – the project would be completed successfully.

Power Plant Intercom

refurbishment project was begun that year calling for the planning and startup of modern facilities in place of the old ones. Just one year later

Basic Data

The key challenge consisted of bringing together five different

4 IP-based Door/Gate Intercom Stations with video support 3 different Public Address zones 1 built-in Radio Network with 5-tone selective call 1 Control Desk with function keys and monitor

technologies and two individual sites onto a common operating platform. In addition to the usual video enabled Door/Gate Intercom connections, it was necessary to integrate the Public Address, telephone and mobile radio systems into the Intercom Server environment. The overall system was required to support central operation from a single Control Desk fitted with control monitors.

Technical Data

Intercom Server GE 800 and Control Desk System EE 380 with Keypad Module EM 302 Wallmount Station WS 201V I CM Wallmount Station WS 201V D with IP Converter Box ET 901 and Expansion Board EB2E2A Interface cards G8-SELCALL, G8-TEL and G8-AUD Input/Output card G8-8E8A ComVIDEO Software

According to the operator‘s requirements, the new system had to display system messages and alerts in a clearly structured, easy-to-use layout. The Public Address system was required to support an efficient way of communicating relevant information instantly to all staff both inside and outside the power station buildings. This was to enable operators to decide quickly on appropriate measures as needed, and to make clear, easily understood voice announcements to everyone on the premises.

Also as part of the project, the networking of the two sites had to provide multiple Door/Gate access control from a single location.

The Solution The core element of the installed solution is a GE 800 Intercom Server. Camera equipped Intercom Stations of the WS Series are connected to the server and installed at both sites to ensure secure, convenient access control. A G8-SELCALL interface card provides full two-way communication with the radio system. Also, the Public Address system for fire alarm messaging can be activated and deactivated via telephone. When the Control Desk is unattended, the G8-TEL interface card automatically forwards all incoming calls to the telephone system. The Public Address functionality was implemented by way of a G8-AUD plug-in card, 100 V amplifiers and 100 V loudspeakers.

The solution of Albula-Landwasser Kraftwerke AG at a glance:

Short profile of Albula-Landwasser Kraftwerke AG Founded on 1 September 1961, the Albula-Landwasser Kraftwerke AG has its headquarters in Filisur in the Swiss canton of Grisons.

With average water volume, the hydropower stations in Filisur and Tiefencastel have a combined annual capacity of around 389 GWh. This corresponds to approximately five per cent of the total annual electricity production in the entire canton of Grisons. In July 2011, the overall capacity of the power plant since startup amounted to 14,413 GWh. The Filisur facility is a high-pressure power station that is supplied by two penstock runs with a total combined length of 17.8 km.

Customer‘s Comment Mr. Thomas Huonder Head of ALK Technical Maintenance ”With the solution that Commend have worked out, we were able to replace the obsolete systems and their inflexible, incompatible components with a uniform, multifunctional solution offering efficient central operation that is very easy to use. It makes work much easier for me and, best of all, it generates a measurable added value for our business every day.“

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