Current Transformer Accuracy Testing System--Full Automatic Type

type:ZCHG-12-2000A

Online Service

1. Measure item: Ratio Error and Phase Error of the Current Transformer

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

3. System description: Automatically test 1-12pcs Low-voltage CT

4. The testing system included:

① Control Bench

② Intelligent current transformer calibrator

③ Current transformer load box

④ Standard current transformer (with current booster)

⑤ Computer

⑥ High Current Testing Cables

⑦ Secondary Testing Cables of the CT

System Overview
Measure item	Ratio error and Phase error of the Current Transformer
Type of the object CT	Low-voltage level
Quantity of object CT per a batch	1pc-12pcs
Operation Model
Testing Bench	Automatically control the output voltage by PC & Electric control
Digital current transformer calibrator	Automatically upload the errors date to PC
Standard Current Transformer	Automatically connect the Primary&Secondary terminals of the Standard CT
Current transformer load box	Automatically control burden by PC and Manual
Testing Range
Accuracy class of the Standard CT & PT	0.05%, 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 requirements
Current Burden	According to ANSI / IEEE C57.13 or IEC 60044-1
Frequency	50Hz or 60Hz

ZC-103 Intelligent current transformer calibrator
Measure item	Ratio errors & Phase errors of the CT&PT, Impedance, Admittance
Rated current	5A, 1A
Frequency	50Hz±0.5 Hz
In-phase component（%）	0.0001～200.0
In-phase component（%）	Minimum resolution:0.0001%
Orthogonal component	0.001～700.0
Orthogonal component	Minimum resolution: 0.001'
Impedance range	0.0001～20.0Ω
Impedance range	Minimum resolution: 0.0001Ω
Admittance range	0.0001～20.0 ms
Admittance range	Minimum resolution:0.0001ms
Scope of work	Current：（1%－200%）In （In =5A）（1%－200%）In （In =1A）
Scope of work	Voltage：（5%－200%）Un （Un =100V，150V，100V/√3）（5%－200%）Un （Un =100V/3）
Communication Interface	Provided the RS232 serial communication interface
Power supply	AC 220V±20%
Power consumption	<20VA

Standard Current Transformer (With Current Source)
Primary Current Range	5A-2000A/5A-3150A/5A-5000A
Rated Secondary Current	5A and 1A
Accuracy Class	0.05%, 0.02%, 0.01% or other
Rated Secondary Burden	0.2Ω ( 5VA when I2=5A,0.2VA when I2=1A)
Power Factor	COSΦ=1.0
Operating Range	（1%-120%）x In
Frequency	50/60Hz
Products Sturcture	With Current Source
Input Voltage of Current Source	AC 0-250V
Capacity of Current Source	5kVA, 10kVA, 20kVA, 30kVA or other value
Voltage Level	AC 600V
Withstand Voltage	2000V 1min
Products Shape	Stainless Steel Box
Insulation	Air
Operating Condition	Temperature: 10°C～+40°C
Operating Condition	Relative Humidity (RH): up to 85% (max 90%)
Remark: Rated primary current value
5，7.5，10，12.5，15，20，25，30，40，50，60，75，80，100，120，125，150，160，200，250，300，315，350，400，450，500，600，630，700，750，800，900，1000，1200，1250，1400，1500，1600，1800，2000A，2500，3000，3150A，3500，4000，4500，5000A

ZC-113 Current Transformer Burden
Rated Current	1A/5A/1A & 5A
Power Factor and Rated Burden	COSФ=0.8: 2.5/3.75/5/6.25/7.5/10/12.5/15/20/25/30/40/50/60VA COSФ=1.0: 2.5/3.75/5/6.25/7.5/10VA
Accuracy Class	±3%
Operation Range	(5%-120%).In
Frequency	50Hz or 60Hz
Withstand Voltage	2kV/1min
Insulation	Air
Operating Condition	Temperature: 10°C～+40°C Relative Humidity (RH): up to 85% (max 90%)
Remark: The technical datas in the above table is normal value, we accepts order with special specification from users

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