DISTRIBUTION TRANSFORMERS
CHARACTERISTICS:
Power: 15 to 300 kVA
High Voltage: 15 and 24,2 kV
Low Voltage: 380/220 or 220/127V
Standards: according to ABNT / IEC
APPLICATION:Power Distribution
SELF-PROTECTED TRANSFORMERS
CHARACTERISTICS:
Power: 45 to 150 kVA
High Voltage: 15 or 24,2 kV
Low Voltage: 380/220; 220/127V
Standards: according to ABNT / IEC
APPLICATIONS:Protection of distribution systems against overloads;
Short-circuit Protection for the secondary network;
Protection against internal transformer faults.
UNDERGROUND TRANSFORMERS
CHARACTERISTICS:
Power: 150 to 2.000 kVA
High Voltage: 15 or 24,2 kV
Low Voltage: 216.5/125; 220/127; 380/220; 400/231V
Standards: according to NBR 9369/1986 ABNT
APPLICATIONS:Installation into chambers, at any level;
Can be eventually immersed in water.
INDUSTRIAL TRANSFORMERS
CHARACTERISTICS:
Power: 500 to 5000 kVA
High Voltage: 15; 24,2; 36,2 or 72,5 kV
Low Voltage: 4160/2402; 440/254; 380/220; 220/127V
or according to customer specifications.
Standards: according to ABNT / IEC
APPLICATIONS:Industrial Substations.
POWER TRANSFORMERS
CHARACTERISTICS:
High Voltage: up to 550 kV
Top Rate: from 5 to 300MVA
Standards: IEC / ANSI
APLICATIONS: Utilities Substations
