Power Industry policies of the Russian Federation have given a top priority for the development of Smart Grid concept. In particular, research and design of non-conventional instrument current and voltage transformers for networks 35 to 110 kV is the task of major importance.
Primary current and voltage sensors of optical type are acknowledged as having the best market potential.
Components: Optical current sensor and optoelectronic unit with a standard signal output or Merging Unit on its end (for Digital Substation applications).
Project status: investment offer.
Magneto-optical (Faraday) effect
Features and benefits
No magnetizing and magnetic saturation effects within 1 to 1000% current range
For DSS applications
IEC 61850-9-2LE output
Posible testing tools
Reference equipment from Mars-Energo
Unique Selling Point
1. Unlike widely spread fiber optic current sensors, an optical current sensor made of standard diamagnetic glass has a number of advantages:
2. Advantage of Mars-Energo prototype – the transducer can also be used for voltage measurements – the only thing to do is to replace the current (Faraday) optical cell with the voltage (electro-gyration) one
|Operating voltage range||0.4 ... 35 kV|
|Frequency range||1 ... 10 000 Hz|
|Primary current range||50 ... 5000 A|
Thermal and electrodynamic withstand
100; 150 kA
1 A; 4 V
according to 61850-9-2LE
|Fiber guide length between the optical sensor and optoelectronic unit||Up to 200 m|
| Dimensions and weight
162 х 162 mm, 1 kg, or less
134 х 215 х 450 mm, 3 kg, or less
|Power supply (Optoelectronic unit)||220 V; 50 Hz|