20KV Neutral Current Transformer

This type of transformer is applicable to electric power systems of 5oHz and 11ok,used for current, electric energy measuring and replayingprotection.
This type of product is equipped with metal expander, ful-sealed structure, primary winding has U-shaped capacitor type insulation structure, hasadvantages of uniform electric field distribution, low dielectric dissipation rate, low partial discharge quantity, secondary winding usually has 3-6windings, class can be combined at random, we could produce urrent transtormers of measurement class accuracy of 0.2S for special purposesaccording to user's requirements.
This type of product is of outdoor type, ambient temperature -30°C ~+40°C.
LB6-110(LCWB6-110)is suitable for areas of altitude up to 1000m;LB6-110W2(LCWB6-110W2) is suitable for polluted areas of altitude up to 1000m;LB6-110GY(LCWB6-110GY) is suitable for plateau areas of altitude up to 3500m;LB6-110GYW2(LCWB6-110GYW2) is suitable for polluted plateau areas of altitude up to 3500m.

Email: steven@boerstn.com

Tel: 13868438199

Whatsapp: 8613868438199

20KV Neutral Current Transformer

description1

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PRODUCT DETAILS

No.	Item	Unit	Guaranteed value
1	Model		LB-24
2	Type		Outdoor、single phase、oil immersed
3	Manufacturer		Boerstn Electric Co.,Ltd
4	Origin		China
5	Applicable standard		IEC 61869-2
6	Applicable altitude	m	≤1000
7	Applicable ambient temperature	℃	-40～+45
8	Insulation level	kV	24/65/125
9	Rated frequency	Hz	50
10	System rated primary voltage	kV	20
11	System max voltage	kV	24
12	Rated primary current	A	800-1600
	Rated secondary current	A	1
	Winding		rated primary current ratio (A)	Accuracy class		rated secondary output (VA)
	1S1,1S2,1S3		800-1600/1A	5P20		30

13	power frequency withstand voltage of primary terminal	kV	65
14	lightning impulse (peak value)	kV	125
15	switching impulse (peak value)	kV	/
16	Partial discharge level	PC	1.2Um/√3		≤5
16	Partial discharge level	PC	Um		≤10
17	Dielectric loss		10		680.21PF 0.18%
18	Winding temperature rise	K	30
19	Primary winding material		Copper
20	Secondary winding material		Copper
21	Primary terminal pulling force	N	2000
22	External insulation type		High-strength porcelain/Brown
23	Pollution class		E
24	Mininum creepage distance	mm	1150
25	Minimum dry arc distance	mm	≥780
26	Seismic resistance level		≥0.3g
27	Radio inferference	μV	≤1000
28	Insulation oil type/oil weight		45# transformer oil/60kg
29	Transportation weight/N.W	kg	320/260
30	Transportation dimension（L×W×H）	mm	820×820*1820

Note: 1. Measurement class and protection class full-tap products are available at request.

2. Digts in()in the column of ol weight and gross weligtht mean the oil welight and sross welght of LCwB6- 11oCWW2 products, digits in ()of ratedoutput mean the rated output when the rated secondary currentis 1A, digits in()of rated primary current mean the tapping current.

1. Expander
2. Oil level window hole
3. Primary outgoing terminal
4. Connecting plate
5. Porcelain sleeve
6.Fuel tank
7. Secondary junction box
8. Nameplate
9.Grounding
10.Oildrainvalve
11. Secondary outlet hole O thirty