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Zero Sequence Current Transformer

(1.0)
Supplier From China
Oct-25-20

Technical parameters
Standards IEC60044-1; IEC 61869-2; NTC 2205; ANSI C57.13; GB1208-2006
Rated primary current 20-600A
Rated load 10VA
Rated frequency 50Hz or 60Hz
Rated secondary current 5A or 1A
Rated short-time thermal current 40kA, 1S
Rated continuous thermal current 120%I1n
Secondary winding power-frequency voltage 3kV, 1min
Instrument security factor FS10
Mechanical parameters
Dimensions (WDH) (mm) 18 130 55
Weight (kg) 2.3
Operating conditions
Operating temperature -35C to +55C
Daily average temp

Price and Minimum Quantity

Price: $95
MOQ: Not Specified
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Brand Name:
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Model Number:
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Usage:
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Coil Structure:
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Coil Number:
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Rated frequency:
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Rated secondary current:
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Rated short-time thermal current:
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Rated continuous thermal current:
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Continuous power-frequency voltage:
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Average temperature of day
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Technical data
Rated frequency
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Rated secondary current
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Rated short-time thermal current
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Rated continuous thermal current
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Continuous power-frequency voltage
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Instrument security factor
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Supplier: Tarpaulin, tarp, pe tarp, frp, grp, grating, pultruded, composite, frp rebar, panel tanks, pond liner, geomembrane, junction box, truck cover, boat cover, tent, camping, current transformers, indoor current transformers, outdoor transformers, switch gears, oil filled tank type transformers, wound primary type transformers, bar type transformers, window type transformers

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Product description

Transformer Standard current transformer are also called precision current transformers, current transformer standards, standard CT and current transformer standards. Transformer standards are divided into current transformer standards and voltage transformer standards. Standard current transformers are used in the error test of transformers. Used as a current transformer calibration standard



technical parameter

Temperature -5 40

Relative humidity 80%

Rated Primary Current 5-5000A 5A,1A

Rated secondary current 5A 1A

Accuracy Class 0.05S
Allow long-term work under the rated current; More than120A across the core.



Precautions

The current of standard CT and tested CT must be the same in CT calibration.

Follow the given wiring diagram strictly.

Test whether the load box is accurate or not before calibrating the transformer.

Forbid secondary winding opening during the calibration.

Select demagnetization before calibration.The wiring diagram is shown in figure 5.

Short out the secondary winding before cutting off the power when the demagnetization is finished.

Principle wiring diagram of CT with large current generator is similar to above diagram. They are the same except the output winding of large current generator and primary winding of transformer are the same one.
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