Our products

Meet the energy demands of a digital & green economy

Become optical ready with ease.

Licence H Nu ASP3I optical technology, or adopt the entire system complete with technology, optoelectronic modules, and rack mount unit for simple and low-cost implementation into your existing network.

Available in three easy integration levels

1
Licence H Nu patented ASP3I technology

ASP31 is the optical design and signal processing algorithm that enables accurate current measurement using an erbium-doped optical fibre source.

2
Licence ASP3I technology & integrate optoelectric modules

Licence ASP31 technology and integrate the optoelectric modules required to implement the technology.

3
Adopt the complete system

Adopt the entire system including a 19” rack mount unit containing all optoelectronic modules, a compatible optical current sensor head, and a high-voltage support insulator available in a wide range of insulation levels. (See diagram below.)

Optical Current Transducer

Optical Sensor Head
Composite Insulator
Optical Sensor Head
Composite Insulator
Single Mode Optical Cable
Terminal Box
Optical Current Transducer
Single Mode Optical Cable
Single Mode Optical Cable Icon
Connects to Merging Unit
Terminal Box

Learn more about our products

Optical Current Transducer

Faraday optical current sensor and support insulator

VIEW

Terminal Merging Unit (TMU10)

Optical sensor merging unit

VIEW

ASP3I Optical Receiver Module (D10-01)

Optical receiver and signal processor for highly accurate interferometric current measurements

VIEW

Technical Specifications

General

Optical Fibre connection
4 x singlemode optical fibre (SMF-28)
Optical Connectors
4 x LC/APC
Weight (sensor only)
11 kg
IP Protection
IP66
Primary Terminal
Aluminum
Insulation
Lightweight, dry type, polymeric insulator. Contains no oil, gel or SF6

Mechanical – Sensor

Parameter
Symbol
Min
Typ
Max
Units
Weight
M
11
Kg
Dimensions
H
50
mm
L
450
mm
W
230
mm

Mechanical – Insulator

(500kV – other voltage ratings available on request)
Parameter
Symbol
Min
Typ
Max
Units
Weight
M
380
Kg
Static Load
SML
4000
mm
Maximum Load
MML
5600
mm

Electrical – Sensor

Parameter
Symbol
Min
Typ
Max
Units
Rated short-time thermal current(1 sec)
Ith
63
kA rms
Rated dynamic current (peak)
Idyn
158
kA
Maximum continuous current
Ith
2200
A rms

Electrical – Insulator

(500kV – other voltage ratings available on request)
Parameter
Symbol
Min
Typ
Max
Units
Lightning Impulse
V
1550
kV
Creepage Distance
18420
mm
Strike Distance
5010
mm
Chopped Impulse
1785
kV
Switching Impulse
1300
kV

Optical

Parameter
Symbol
Min
Typ
Max
Units
Wavelength
1535
nm
Output Power
P
-3
0
3
dBm
Loss Budget
Lb
0
6
dB

Performance

Parameter
Symbol
Min
Typ
Max
Units
Bandwidth
BW
mm

2001

kHz
Sample Rate
SR
mm

4002

Msps
Noise
In
mm

13

Arms
Accuracy
CLASS
mm

.24

Environmental

Parameter
Symbol
Min
Typ
Max
Units
Operating Temperature
Top
-50
85
C
Storage Temperature
Tst
-50
85
C
Humidity (storage)
100
%
Humidity (operating)
90
%
Vibration
1
G

Additional Details

1. Wider bandwidth available as an option
2. Higher sample rates available as option
3. Actual noise level dependent on optical sensor model attached
4. Different accuracy classes available as option

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