Vacuum Reactance Load Tap Changer (VRLTC)

The VRLTC™ tap changer is an on-tank vacuum reactance type load tap changer suitable for either automatic or manual control. It represents a major advancement in tap changer control, monitoring, and communication. It is completely driven and controlled using digital technology. The VRLTC meets all of the required specifications according to IEEE C57.131-1995 and IEC 60214.

Product scope

  • Base technology: Vacuum, reactance, on tank, diverter switch
  • Common applications: Network, special, industrial

 

Y-Star point tx.

D-Delta connected tx.

Common power range, up to

65 MVA

45 MVA

Max BIL

200 kV

200 kV

Max Breaking capacity

3,000 kVA

3,000 kVA

Max current

2,000 A

2,000 A

Max voltage over regulation range

16 kV

16 kV

 Max step voltage 

0.5 V

500/1,000 V

Why ABB?

  • Full digital control
  • Digital servo motor and controller
  • TLMS monitoring and control system
  • No analog devices needed for control
  • Readily adaptable to most smart grid systems

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