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CT&PT Accuracy Testing System----General Type


1.Measure item: Ratio Error and Phase Error of the CT& PT

2.Complying with ANSI / IEEE C57.13 Standard or IEC 60044-1 Standard (According to the User`s requirements)

3.Testing system included:

HES Series Control Bench 

HES-1C Series Transformer Tester

FY Series Current Transformer Burden

HLS Series Standard Current Transformer (with Current Source) 

FY Series Voltage Transformer Burden

HJS Seires Standard Voltage Transformer (with Voltage Source)

High Current Testing Cables

Secondary Testing Cables of the CT&PT

4.Function Profile of the HES Series Control Bench:

Input Voltage:AC 220V±10%  50/60Hz
Rated Capacity:10kVA, 15kVA, 20kVA, 30kVA
Output Voltage:Provided the Coarse adjustment & Fine adjustment
CT Demagnetization Function:Provided the open-circuit & closed-circuit demagnetization
Protection functions:Provided overcurrent & overvoltage protection
The Bench can be installed:Transformer Tester, CT Burden, PT Burden etc.
The Bench Structure:Horizontal structure or Vertical structure

5.Operation Model:

Products Description Model Control Model
Control BenchHES SeriesManual Adjustment
Digital Transformer TesterHES-1CAutomatically upload the error datas to PC
Standard CT (with Current Source)HLS SeriesManual Connection
Standard PT (with Voltage Source)HJS SeriesManual Connection
CT/PT BurdenFY SeriesManual Control

6. Remark:

Accuracy class of the Standard CT & PT0.05%, 0.02%, 0.01% or other
Primary current range of the standard CT:5-2000A. 5-3150A. 5-5000A

or other current value, According to user`s 


Rated primary voltage value:6kV(6/√3kV), 10kV(10/√3kV), 20kV(20/√3kV), 35 kV(35/√3kV)

or other voltage value, According to user`s 


Rated secondary voltage value:100V, 100/√3V, 100/3V

or other voltage value, According to user`s 


Frequency:50Hz or 60Hz

The technical data of each equipment in the test system is on the website of our company, please consult those corresponding specifications.