Specification :

AC Test Transformer systems

Up to 2250kV 13500KVA

Main components:

* Pre stage high-voltage switchgear cabinet
* Voltage regulator
* Subordinate stage high-voltage switchgear cabinet
* Test transformer
* Damping resistance
* voltage divider
* Control and Measuring System ( manual operation or computer-aided automatic systems)
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
Additional features and accessories:
• Power noise filter
• Isolation transformer
• Harmonic filters to improve wave shape
• coupling capacitor
• Primary > fixed and > tunable compensation of capacitive testing power
• Fast over-voltage protection device
• Partial discharge ( PD) measuring system including blocking impedance
• Compressed gas capacitor
• Capacitance and dissipation factor measuring instrument
• Moveable design
• Made solution upon customer' s request