FIBER OPTIC TRANSFORMER

Electronic Fiber Optic Current Transformer Efoct For Ac

Parameter Value
Rated voltage, kV 0 – 750
Rated primary current, A 300 – 190 000
Accuracy class
– for measurements
– for protection		 0.05; 0.2S/2; 0.1;
0.2S; 0.5S
5TPE, 5Р
Range of operating temperatures, °С
– measuring sensor
– electronic unit
minus 60 – plus 60
minus 10 – plus 40
Rated short-time thermal current
Rated dynamic current		 any
Rated frequency From 0 to 2500 Hz
Distance between sensor and electronic unit, m up to 1200
Power consumption, W 50
Output Specifications
Digital
Standard 		IEC 61850-9-2LE
IEC 61850-9-2
IEC 61850-8-1

Electronic-Optical Voltage Transformer (EVTCD)

Parameter Value
Rated voltage, kV 110; 123; 220 up to 500 kV
Accuracy class
– for measurements
– for protection
0.2
3Р
Rated frequency 50 or 60 Hz
Expanded frequency band 20 to 5000 Hz
Distance between sensor and electronic unit, m up to 1200
Power consumption, W 50
Output Specifications
DigitalStandard


Sample rate

Time


Redundancy

Analog (optional)Voltage
IEC 61850-9-2LE SV80; SV256
IEC 61850-9-2
IEC 61850-8-1
SV80; SV256; custom – up to 64kps

IEEE 1588-2008 (PTPv2);
1PPS optical, electrical

PRP; HSR

100/√3V 10VA

Electronic Fiber Optic Current Transformer For DC

Parameter Value
Rated current, A 600-580 000
Basic reduced measuring uncertainties 0.05; 0.1; 0.2; 0.5; 1.0
Distance between sensitive fiber-optical element
and electro-optical transform module, m		 Up to 1200
Possible switching interfaces Pulse output
Frequency output
Analog Current output
Analog voltage output
Modbus RS-485
ProfiBus
IEC 61850-9-2
Range of operating temperatures:
– measuring sensor
– electronic unit
from -10 to +40
from -60 to +60
Average lifetime, years, at least 30 years
Power consumption, W 50