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Voltage Transformer EMF (52 - 170 kV)

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Detalii

Capable of withstanding the harshest environments

EMF inductive voltage transformers are of single-phase design and intended for connection between phase and ground in networks with insulated or direct-grounded neutral points. It is being manufactured and delivered since the 1940s.

The extremely low core flux density enables the EMF to withstand continuous overvoltages. The oversized core effectively counteracts ferroresonance, both harmonic and sub-harmonic.

The unique quartz filling minimizes the quantity of oil and allows a simple and reliable expansion system.

 

Brief performance data

 EMF    
Installation   Outdoor 
Design   Inductive type 
Insulation   Oil-paper quartz 
Highest voltage for equipment kV  52 - 170
Voltage factor (Vf)   Up to 1.9/8 hrs 
Insulators   Porcelain
On request silicon rubber
Creepage distance mm/kV > 25 
Longer on request
Ambient temperature ºC -40 to +40 
Others on request
Design altitude  m Maximum 1000
Others on request

 

Why ABB?

  • Our experts can assist and advise you with advice on finding the optimum solutions for your site conditions 
  • Designed for a wide range of conditions, from polar to desert climate 
  • Low flux in the core at operating voltage gives a wide safety margin against saturation and ferroresonance
  • For revenue metering and protection in high voltage networks, the oil-paper insulated voltage transformer EMF is the most sold inductive voltage transformer in the world.

Specificatii Tehnice

Disponibilitate N/A
Livrare N/A
Fisa tehnica N/A

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Adauga o recenzie la: Voltage Transformer EMF (52 - 170 kV)

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