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.
LZZB7-35 type 35kV current transformer is a kind of epoxy resin casting fully enclosed pillar structure products, suitable for rated frequency of 50Hz or 60Hz, rated voltage of 35kV and the following indoor installations in the power system, mainly used for power measurement, current measurement and relay protection.
It is mainly used for power measurement, current measurement and relay protection. The following are the main technical parameters and characteristics of the product:
Rated insulation level: 40.5/95/185kV
Rated insulation level: 40.5/95/185kV.
Rated secondary current: 5A or 1A.
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Combination of accurate levels: including many levels such as 0.2/10P10, 0.5/10P10, 0.2/10P20, 0.5/10P20, and their combinations
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Rated output (VA): The rated output varies according to different accuracy class combinations and rated primary currents, e.g. 30/50VA at 20A, 63VA at 750A
Rated thermal current (VA)
Rated short-time thermal current (Ith) (kA): The short-time thermal current varies according to the different rated primary currents, e.g. 6kA for 20A, 130kA for 750A.
Rated dynamic stabilizing current (kA)
Rated dynamic stabilizing current (Idyn) (kA): again, the dynamic stabilizing current varies according to the rated primary current, e.g. 15kA for 20A, 130kA for 750A.
The localized discharge level: in accordance with GB1202, GB1203 and GB1204.
Partial discharge level: in accordance with GB1208 "Current Transformer" standard.
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Ambient temperature: Maximum 40ºC; Minimum -5ºC.
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Altitude: no more than 1000m
Atmospheric conditions: the atmosphere is free of dirt that seriously affects the insulation performance of the transformer.
Atmospheric conditions: the atmosphere is free of filth and erosive and explosive media that seriously affect the insulation performance of the transformer.
Atmospheric conditions
System grounding method: neutral point non-effective grounding system.
System grounding method: neutral point non-effective grounding system.
LZZB7-35 type current transformer with its excellent insulation properties and moisture resistance, suitable for a variety of environmental conditions, is an indispensable equipment in the power system, to ensure the safe, reliable and efficient operation of the power system
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LZZB7-35 type 35kV current transformer is a kind of epoxy resin casting fully enclosed pillar structure products, suitable for rated frequency of 50Hz or 60Hz, rated voltage of 35kV and the following indoor installations in the power system, mainly used for power measurement, current measurement and relay protection.
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