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1.Active Power:0.5class
2.Reactive Power:0.5class
3.Apparent Power:0.5class
4.Contact wires:single phase ,three phase three lines ,three phase four lines
5.Rated voltage:AC57.7V AC100V AC220V AC380V
6.Rated current:AC1A AC5A
7.Power consumption:

Technical data:
1.Active Power:0.5class
2.Reactive Power:0.5class
3.Apparent Power:0.5class
4.Contact wires:single phase ,three phase three lines ,three phase four lines
5.Rated voltage:AC57.7V AC100V AC220V AC380V
6.Rated current:AC1A AC5A
7.Power consumption:

Technical data:
1.Frequency:High
2.Poles:Three
3.Heat dissipation function:No
4.Vdrm/VRRM:800-2500V
5.Tq:12-18us
6.Itsm:6KA

Technical data:
1.Rated Voltage600V
2.Rated Current:10-100A
3.Frequency:50HZ
4.Qulification:ISO9001

Technical data:
1.Power:Medium Power
2.Contact transfer current:10A
3.Contact transfer voltage:24V
4.Contact way:transfer
5.Rated voltage:5V
6.Outline:20.5*7.2*15.3mm

Technical data:
1.Backward top voltage value:50-3000v
2.Metal stud type structure
3.Under high wave electric current ability
4.Ifrms a:7.9-700a, vfm v: 1.6-1.8v vrrm v 50-3000v , vrrm mv:2-15v

Rated power: 320kVA
Winding connection: Dyn11
Frequency: 50Hz
Voltage: 22/0,4kV
No-load losses (Po): 390 W
Short-circuit losses(Pk): 3330 W
Maximum no-load current(I0): 2%
Short circuit voltage(Uk ): 6%
Standard: : TCVN 6306 (IEC 60076); Decision 62 / Q EVN
Quality standard: ISO 9001:2015; ISO 14001:2015

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

1. Temperature:

2. Relative humidity

3. Rated Primary Current:5-5000A 5A,1A

4.Rated secondary current:5 1A

5 Accuracy Class 0.05S

6. Allow long-term work under the rated current; More than120A across the core.



Precautions:

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

2. Follow the given wiring diagram strictly.

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

4. Forbid secondary winding opening during the calibration.

5. 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.

6.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.

Product Introduction
Capacitive voltage transformer (CVT) in calibration the test must be conducted under the condition of 50Hz frequency complex geographical condition on site at the same time the traditional experiment device is difficult to meet the requirements of on-site handling testing series resonance booster device is first used in domestic field tunable resonance device has been widely used in domestic 500 kv and below the field calibration of capacitor voltage transformer.



Product Parameters
Technical parameters
Rated Capacity 80kVA
rated voltage 160kV
Adjustable inductance range 65~130H
Rated frequency 50Hz
Rated current 0.5A
Adjustable gap range 0~300mm

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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