OIL-IMMERSED ARC-SUPPRESSION REACTORS
APPLICATION:
Arc—suppression reactors are used to compensate ground fault currents in compensated electrical networks. They are installed between the neutral point of an earting transformer and the ground in systems with a star arrangement, while they can also be fitted between the neutral point of a grounding transformer and the ground in systems with a zig—zag arrangement.
Manufacturing range:
Power range: from 150 kVAr up to 4000 kVAr
Voltage range: up to 36 kV
Current range: 15 A up to 300 A
Isulation class: A according to IEC 60085
Type of cooling: ONAN, KNAN
Standard operating conditions:
Max. operating altitude -1000 m above sea level
Operating temperature range – 25 to + 40 °C or other on request
Rated frequency 50 Hz (60 Hz on request)
Design characteristic:
Hermetically sealed (without conservator) or with conservator
Core– grain-oriented electrical steel sheets
assembled into core using the “Step-Lap” method
Winding – electrolytic aluminium or copper wire, enamelled round or profiled in paper isolation,
Tank – corrugated or with radiators,
made of steel, painted or hot dip galvanized
Standard colour is RAL7030 or other colours on request
Standard equipment:
5-positions off-load tap changer
HV porcelain bushing according to DIN 42531 or EN 50180:2010
LV porcelein bushing according to DIN 42530 or EN 50386:2010
Oil level indicator
Rating plate
Earthing terminals
Lifting lugs
Pulling lugs
Bi-directional wheels
Thermometer pocket
Filling plug
Draining device according to EN 50216-4 or DIN 42551
Painting RAL 7030
Optional equipment:
7-positions off-load tap changer
Protection relays DMCR® or DGPT2®
Plug-in bushings
Busbars bushings
Surge arresters
Thermometer
Antivibration pads
Cable boxes
Accessories for conservator: dehydrating breather,buchholz relay, drain plug, oil level indicator