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HEYI Electrical CO.,LTD

Contact person: Bethy

Position: Sales Manager

Tel: 86-577-62659558

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Mobile: 86-13968747975

E-mail: heyi@heyiele.com

bethy@heyiele.com

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Zhe Jiang, CHINA

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 LXK-80,100,120 current transformer

Description and meaning of model

LXK-80,100,120 zero-sequence current transformer at 35kV and below.AC 50Hz line for the power system as well as the high voltage three-phase alternator ,the motor's zero sequence over-current protection,and applies only to indoor .The outer diameter of the output cable is not greater than 120mm.

Characteristic of structure

This type of transformer is divided into two halves.Into a half circle type cast resin,and then clamping hoop connection.Installation can be mounted transformer is divided into two halves.Then merged into one ,very easy to install.

Technical Data

1.The zero sequence current transformer for the cable type,it is  only necessary to examine the insulating properties of the secondary coil,secondary coil can withstand the power frequency withstand voltage 3kV.

2.The sensitivity of the current transformer to meet the requirement of the following table. 

Relay type Connecting mode of relay coil Relay seting current A zero sequence current
DD-11/60 In series 15*1 2.4-4.5
30*1
Parallel connection 15*2 3-5
30*2
DD-1/60 In series 15*1 3-5
30*1
Parallel connection 15*2 3-6
30*2

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