Description
This type of voltage and current combined transformer (also known as electric energy metering box) is used for active and reactive energy measurement in AC 50H, rated voltage 10Kv three-phase power lines. It is suitable for outdoor substations in rural areas, and can also be used in small substations and distribution stations of industrial enterprises. This product can replace the JLS-10 oil-immersed electric energy metering box.
Characteristic of structure
The combined transformer for outdoor epoxy casting. all closed, the pillar structure. Outdoor epoxy casting, the product has the arc resistance. UV resistance, aging resistance, long life, maintenance-free characteristics. This product consists of two single-phase full insulation voltage transformer formed a "-shaped connection, two current transformers are connected in series A and C phase. And current transformer secondary winding with a tap can be obtained with different current ratio.
Secondary outlet leads through a metal hose, wiring, safe and reliable and can realize the anti-theft measures. There are four mounting holes for installation in the base channel.
Technical data
Pollution class: class II.
This combination transformer by the combination of single-phase voltage transformer bearing in mind that single-phase current transformer into a three-phase.Voltage transformer with VN-12 connection.
This type of combination of transformers to meet with GB1208 "current transformer GB1207 electromagnetic voltage transformer, GB17201 combined transformer."requirements.
Rated voltage of the voltage transformer ratio: 10000/100 (V). Rated secondary output: 20VA 0.5 0.2 50VA.
Load power factor COS towel = 0.8 (lag).
Current transformer meter Safety factor Fs ≤ 10.
Ambient temperature:-30℃~40℃.The daily average temperature does not exceed 30C.
Altitude: <4000m.
Note: If the parameters required by the user are beyond the range of the above table, they can be determined after consultation with our company.
Overall dimension drawing
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