Differential measurement principle Reach up to 0.02S Automatic sampling at test point IEC60185 applied

Test Sets Composed of:

High Accuracy CT site Calibrating Test Sets are composed of seven items as below:

-Instrument Transformer Tester, Model ITC-C,

-Standard reference CT, Model HL-62CS

-Current load box ,model FY-96, two piece, 1A one piece, 5A one piece

-Current Injection, model SL-7

-Test console,model TC-20

-Current cable set

 Software is simple, used for upload data to computer. 

 

Description:

 The test set used for CT site calibration at power frequency state. The tested CT accuracy can reach up to 0.02S.

 The test method apply for IEC60185 

 

Product Features:

-Adopting differential measurement principle for ITC-C;

-ITC-C can be tested for CT or PT;

-Automatic sampling at test point

-Automatic identification of the polarity fault and the ratio mistake. 

Technical Specifications:

 Instrument Transformer Tester, Model ITC-C

 -Input: Power Frequency: 50Hz±0.5Hz, Power Voltage: 220V±5V

 -Range 

² Ratio Error (%): 0.0001 ~ 200.0 resolution 0.0001 

² Angle measure (°): 0.001 ~ 700.0, resolution 0.001 

² Resistance measure: (ohm): 0.0001 ~ 20.0 resolution 0.0001 

² Lead-time (ms): 0.0001 ~ 20.0 resolution 0.0001

 -Basic Error 

² Ratio error: triange X=±(X×2%+Y×2%)±Dx (Class 1 option) 

² Angle error(º):  triangle Y = (Y*2%+X*2%*34.48) ± Dy (Class 1 option) 

² “X”,“Y”——Values Displayed  

² “Dx, Dy”——Quantified Error Dx=2, Dy=5 

-Working Range 

² Current:(1%-149%)In     (In =5A) 

        (5%-149%)In     (In =1A) 

² Voltage:(5%-149%)Un     (Un =100V,150V,100V/) 

        (5%-200%)Un    (Un =100V/3) 

-Working Load 

² Current: TO to TX<0.12 ohm       cosΦ=1.0 

² Voltage: a to x<0.25VA       (100V) 

-Power Consumption 

-Less than 15VA (without micro-printer), Less than 25VA (with micro-printer) 

-Harmonic control >40db 

-Polarity Check/ Indication 

Standard reference CT, Model HL-62CS

 -Rated load : 5VA,1VA PF=1.0

 -Be allowed to wok long time at rated current ,the wire must be through the core if the current is over 150A.

 -Standard current ratio:  

² Primary:5,7.5,10,15,20,25,30,40,50,60,75,80,100,120,150,160,200,250,300,315,400,  

² 500,600,630,750,800,1000,1200,1250,1500,160,2000,2500,3000,3150,4000,5000A  

² Secondary:5,1A  

-Accuracy class:0.02S  

-Temperature: 5°C ~ 40°C,Humidity: <80%  

Test control, model TC20 :

-Capacity: 20kVA+500VA (tiny adjusting)

-Input voltage: AC 220V±10% 50Hz±1

-Output voltage: AC 0~250 V

-Input current: 100A

-Ambient Temperature: -20°C to 50°C

-Meter accuracy class:1.0

-Timing range:0-999S 

Primary Current Injector, model SL-7:

-Rated capacity:20KVA

-Input voltage : 0~250V

-Output current: 0~5000A

-Surface temperature rise: <75 °C      

-No-load consumption;<2%

-Continuous working at full-load: 5min

-Intermittent working time: 15min

 

Current Load Box, model FY-96

-Power source frequency: 50Hz

-Rated capacity :80VA or 60VA

-Secondary current:5A or 1A

-Measurement range:5%-120%

-Power factor:0.8,1

-Accuracy class: ±3%

-Test voltage:2KV

-Temperature: 5°C ~ 40°C

-Humidity: <80%(25°C)

-Altitude :< 2500m

 

High Accuracy CT Site Calibrating Test Sets