DAHU electrical specializes in the production of 0.5-40.5kv transformers. It has cooperated with many national power bureaus for 10 years and exported to foreign markets. If
there is any quality problem within the warranty period, it can be replaced free of charge.
LZZBJ4-35 type current transformer is a 35kV fully enclosed cast indoor dry high voltage current transformer, suitable for rated frequency of 50Hz or 60Hz, rated voltage of 35kV power system, mainly used for power measurement, current measurement and relay protection. The following are the main features and parameters of this product:
Overview:
LZZBJ4-35 current transformer is suitable for 35kV and below power system, used for electric energy metering, current measurement and relay protection
The current transformer is made of epoxy resin.
The transformer is epoxy resin casting fully closed structure, suitable for indoor installations
The transformer is epoxy resin casting fully closed structure, suitable for indoor installations.
Structural features:
Totally enclosed pillar type structure, small size, light weight, suitable for any position and any direction of the installation
Features.
The core is made of microcrystalline alloy or high-quality magnetically conductive silicon steel sheet wound into a ring, and the secondary conductor is evenly wound on it.
The secondary conductor is evenly wound on it.
The primary conductor is wrapped with reinforced insulation to avoid turn-to-turn short circuit between conductors.
The primary and secondary coils are cast in an epoxy ring to avoid short circuit between the turns.
Primary and secondary coils are cast in epoxy resin, which has good insulation and moisture resistance.
The primary and secondary coils are cast in epoxy resin, which has good insulation and moisture resistance.
Technical Parameters:
Rated insulation level: 40.5/95/185kV
Rated insulation level: 40.5/95/185kV.
Rated secondary current: 5A or 1A.
Rated secondary current: 5A or 1A.
Rated primary current, accurate level combination, rated output and rated dynamic and thermal stability current are shown in the following table
Rated primary current (A)
Rated Primary Current (A) | Rated Secondary Current (A) | Accuracy Level Combination | Rated Output (VA) | Rated Short-Time Thermal Current (Ith) (kA) | Rated Dynamic Stabilizing Current (Idyn) (kA)
--- | --- | --- | --- | --- | --- | ---
20 | 5 | 0.2/10P10 etc | 20/50 etc | 1.3 | 3.25
30 | 2 | 5 | - | - | - | -
40 | 3 | 7.5 | - | - | - | -
50 | 4.5 | 11.5 | - - | - | -
75 | 6 | 15 | - | - | - | - | - | -
100 | 9 | 22.5 | - - | - | -
150 | 12 | 30 | - | - | - | - | - | - | - | -
200 | 18 | 45 | - | - | - | - | - | -
300 | 24 | 60 | - | - | - | -
400 | 36 | 90 | - | - | - | -
600 | 48 | 120 | - | - | - | -
Fouling Class: Class II
.
Conditions of use:
Ambient temperature: Maximum 65ºC, daily average not exceeding 40ºC, minimum -45ºC.
.
Altitude not exceeding 1000m
.
Installation place: inside 35kV vacuum circuit breaker
Atmospheric conditions: no serious influence on the insulation performance of the transformer in the atmosphere.
Atmospheric conditions: the atmosphere is free of dirt and erosive and explosive media that seriously affect the insulation performance of the transformer.
The system's grounding method: Neutral
Grounding method of the system: Neutral point non-effective grounding system
Audited Supplier 
LZZBJ4-35 type current transformer is a 35kV fully enclosed cast indoor dry high voltage current transformer, suitable for rated frequency of 50Hz or 60Hz, rated voltage of 35kV power system, mainly used for power measurement, current measurement and relay protection. The following are the main features and parameters of this product:
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