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Dead tank compact (DTC)

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Over
1 %

more space saved as compared to conventional substation configurations with dead tank circuit breakers

Do you have any questions? Are you looking for more information about our DTC circuit breakers? We have experts to assist you with any issue.
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Product overview

Dead tank compact (DTC) overview

The dead tank compact (DTC) circuit breaker for 145 kV and 245 kV applications is a compact arrangement of several functions needed in a substation. The hybrid concept combines SF6-encapsulated components and air-insulated components. It is possible to arrange the components in a variety of ways depending on your substation configuration.

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Possible components for the 3AP1 DTC compact switchgear: 1. Bushing; 2. Current transformer; 3. Circuit breaker with self-compression principle; 4. Three-position disconnector/earthing switch; 5. Voltage transformer; 6. Cable connection assembly; 7. High-speed earthing switch

Flexible solutions according to your substation configuration

  • Circuit breaker with single- or three-pole operating mechanism
  • Disconnector, earthing switch, high-speed earthing switch
  • Current transformer, voltage transformer and voltage detection system
  • Cable connections possible at various positions
  • Bushings available as porcelain or composite insulators
  • Additional separation of gas compartment, with SF6 density monitor on request
  • Double breaker modules for ultra-compact substation designs
  • Possibility for stand-alone components, e.g. disconnector module with voltage transformer

Advantages:

  • Flexibility in confined spaces and extreme environmental conditions, e.g. low-temperature applications
  • Gas-insulated components ensure the highest availability at minimum maintenance effort
  • Optimized investments according to the requirements of your individual substation layout
  • Gas-insulated components ensure increased availability and safety
  • Minimum design work required for various applications thanks to predefined modules

Our dead tank compact circuit breaker family

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Based on our modular design, the core components are adopted from our high-voltage circuit breakers, disconnectors and the GIS product family. Our dead tank compact circuit breakers have a three-pole operating mechanism with a common base, or single-pole operating mechanism on separate bases.

Technical data

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All values in accordance with IEC, other values on request.

Downloads, support and services

Our services for you

You can find details on our dead tank compact circuit breakers and information about our services here.

We can gladly help you with installation, commissioning, diagnostics and malfunctions

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Testing laboratories at Schaltwerk Berlin

We test components at our accredited testing laboratories.

Testing laboratories at Schaltwerk Berlin
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Technical simulations

Numerical simulation and analytical calculation methods for efficient product development.

Technical simulations

Contact

Versatile and compact

Our DTC circuit breakers for 145 kV and 245 kV applications combine SF6-encapsulated components and air-insulated components. Benefit from the wide range of options our dead tank compact has to offer. We can gladly provide you with more information on request.