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Medium & High Voltage Device

Integrated measuring device for line loss of power distribution grid

Based on the high voltage measurement technology of Weston International, the integrated measuring device of air line loss of distribution grid can realize the rapid deployment of line loss measurement transformation of distribution grid. Product integrated design, voltage transformer, current transformer, measurement module, communication terminal in one, to achieve direct measurement of medium voltage overhead lines. Advanced large-scale integrated circuits, mature software algorithms, low power design and SMT technology are adopted. The products have the advantages of high accuracy, strong weather resistance, high reliability, small volume, light weight, simple installation, flexible communication mode, energy saving and environmental protection.

l Direct metering of overhead lines in medium voltage

l Bi-directional metering

l Integrated design, no secondary wiring

l Excellent anti-theft performance

l Support for local communications (433 MHz micro-power wireless) (4 G)

l Communication module supports live replacement

l Support live installation

l Built-in encryption chip

l Built-in fuses, high reliability

l Level S CPA certificate
l Line loss measurement function

l Electrical Energy Measurement and Demand Measurement Function

l Real-time measurement function

l Rates and periods

l Statistical recording function

l System Event Recording Function

l Freeze function

l Load curve recording function

Reference frequency	50/60 Hz
Measuring frequency	45Hz~65 Hz
Wiring Mode	Three - phase three
Reference voltage	3×10 kV 、3×6 kV
Rated Current	10(40) A 、 50(200)A 、 150(600)A 、 20(24)A 、 30(36)A 、 50(60)A 、 75(90)A 、 100(120)A 、 150(180)A 、 200(240)A 、 300(360)A 、 400(480)A 、 500(600)A 、 600(720)A
Level of accuracy	Reactive :0.2 S or 0.5 S Reactive :2.0
Scope of work	0.8 Un~1.2 Un
Starting Current	Under the condition of rated voltage, reference frequency and COSφ=1.0, the load current is 0.001 In, the watt-hour meter can start and continuously measure the electric energy.
Power consumption	≤10 W (100Va)
Daily timing error	≤0.5 s/d (23℃)
Atmospheric pressure	kPa 63.0 kPa~106.0(4000 m above sea level)
Relative humidity	≤95%
Temperature range	Operating temperature :-25℃~60℃ Limit temperature :-40℃~70℃
Communication interface	The 4 channel communication interface supports 433 MHz micro-power wireless, optical fiber module ,4 G/GPRS/CDMA module, etc. (c) Support for the DL/T645- 2007 Statute.
Dimensions	Tall × wide × thick =488 mm×836 mm×200 mm
Design life	>10 years

Size	L×H×W=836 mmL×H×W=488 mmL×H×W=200 mm
Weight:	About 15 kg

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