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Zero Sequence Three Phase Current Transformer ZCT Silicon Steel Ring Core Contained

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Zero Sequence Three Phase Current Transformer ZCT Silicon Steel Ring Core Contained

Country/Region china
City & Province beijing beijing

Product Details

 

Three Phase Zero Sequence Current Transformer ZCT

 

 

Introduction

 

Current transformers typically consist of a silicon steel ring core wound with many turns of copper wire as shown in the illustration to the right. The conductor carrying the primary current is passed through the ring. The CT's primary, therefore, consists of a single 'turn'. The primary 'winding' may be a permanent part of the current transformer, i.e. a heavy copper bar to carry current through the core. Window-type current transformers (aka zero sequence current transformers, or ZSCT) are also common, which can have circuit cables run through the middle of an opening in the core to provide a single-turn primary winding. To assist accuracy, the primary conductor should be centered in the aperture.

 

 

 

PARAMETERS

 

Technical parameters 
StandardsIEC60044; IEC 61869; ANSI/IEEE C57.13
Rated primary current5-1000A
Rated load≤15VA
Rated frequency50Hz or 60Hz
Rated secondary current5A or 1A
Rated short-time thermal current1-80kA, 1S
Rated dynamic current20-130kA
Rated insulation level12/42/75KV, 7.2/32/60KV
FS≤10
Cosø0.8 (lag)
Phase numberthree
Rated insulation level12/42/75KV, 7.2/32/60KV
Class of pollutionII
Mechanical parameters 
MaterialEpoxy resin
Weight (kg)45
Operating conditions 
Operating temperature-25°C to +55°C
Daily average temp<+40°C
Storage temperature-40°C to +70°C
Altitude<1000 meters
ConditionNo existence of severely begrimed, erosive and radioactive gas in the air. Permission of long-term operation under rated current.

 

 

 

Technical Parameters

 

ModelRatied Primary Current(A)Accuracy class and Rated output(VA)Short-time thermal current(kA/S)Rated dynamic current
(kA)
0.20.2S0.50.5S
GFJLSZV0199-105-10101015151.02.5
10-201.53.75
15-302.46.0
20-403.07.5
30-604.511
40-758.020
50-1009.022.5
75-1501230
100-2001640
150-3002460
200-4003280
300-40060100
400-80080100
500-100080100

 

Overall Dimensions

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