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LZZBW-10 High Voltage Indoor/Single-phase/Epoxy Resin Casting Type Current Transformer

 
A current transformer is an instrument that converts a large primary current into a small secondary current based on the principle of electromagnetic induction for measurement. A current transformer is composed of a closed iron core and winding. Its primary winding has very few turns and is connected in series in the circuit where the current needs to be measured. Therefore, it often has all the current flowing through the circuit, with a relatively large number of turns in the secondary winding, and is connected in series in the measuring instrument and protection circuit
 
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1. LZZBW-10 Type Electric current transformers have many advantages that make them essential components in electrical systems. These advantages include accurate measurement of current, high insulation levels, compact size, wide frequency range, and easy installation.


2. LZZBW-10 10KV Current Transformer The accurate measurement of current is crucial in ensuring the safety and efficiency of electrical systems. Electric current transformers provide precise readings, allowing for better control and monitoring of power usage. Additionally, their high efficiency in energy transfer means less energy is wasted during the transformation process, leading to cost savings and reduced environmental impact.


3.The core of LZZBW-10 type current transformer is wound in a ring shape with high-quality cold-rolled silicon steel sheets and undergoes strict heat treatment. The secondary coil consists of two windings, measuring level and protection level. This product complies with the standards of IEC60044-1 and GB1208 "Current Transformers".


4.LZZBW-10 high-voltage indoor current transformer is suitable for areas with an altitude of 1000m and below, and high-altitude products are suitable for areas with an altitude of 4000m and below. It is used for precision electrical measurement and relay protection in power systems with a frequency of 50Hz and a maximum working voltage of 12kV.




1.Insulation level:12/42/75kV
2.Power factor:cosφ=0.8(lag)
3. Rated secondary current: 5A or 1A
4.Rated frequency :50Hz or 60Hz

5.Ambient temperature:-5ºC~+40ºC
6.Weight: 36kg


Rated pri(mary current

Accuracy class

Rated output
(VA)

Rated   short- im
thermal  CU    rent (kA/S)

Rated dynamic stable current

Rated
  level

 ation
(kA)

5

0.2S/10P10
0.2S/0.5/10P10

0.2S/10P10/10P10

0.2S/10P20

10/15
10/10/15

10/15/15

10/15

0.36

0.9

10

0. 72

1.8

15

1.08

2.7

20

1.44

3.6

25

1.8

4.5

30

2.16

5.4

40

2.88

6.3

50


7.2

60

4.32

8.1

75

4

13.5

80

5.76

14.4

100

7.2

18

120

8.64

21.6

150

10.8

27

200

14.4

36

250

18

45

300

21.6

54

400

28.8

63

500

36

72

600

43.2

108

800

57.6

120

1000-1500

72

144


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