Main components:

• Pre stage high-voltage switchgear cabinet
• Voltage regulator
• Subordinate stage high-voltage switchgear cabinet
• Test transformer
  

  Series YDTW	Series YDTCW	Series YDW	Series YDCW	Series YDQW
  insulating-case(single)	insulating-case(cascaded)	tank-type(single)	tank-type(cascaded)	Gas insulation type
  up to 750 kV	up to 2250kV	up to 750 kV	up to 2250 kV	up to 600kV
  up to 4500 kVA	up to 13500 kVA	up to 4500 kVA	up to 13500 kVA	up to 600 kVA
  up to 6 A	up to 6 A	up to 6 A	up to 6 A	up to 1 A

• Damping resistance
• voltage divider
• Control and Measuring System (manual operation or computer-aided automatic systems)