WINDING SHORT TESTER
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IMPULSE WINDING TESTER

( WINDING / LAYER SHORT TESTER FOR ANY COILS )


 

WINDING / LAYER SHORT TESTER FOR ANY COILS 

The impulse winding tester tests the electrical characteristics of coil winding without damaging the DUT. The prerequisite conditions for quality of a coil electric impulse by capacitor discharge is applied to the standard and the DUT . The voltage decay waveform is generated in response to the impulse, related to the Q-factor and inductance of the coil . In this sense ,the tester can detect turn & layer short ,the differences in the number of turns and the material of the core. If high impulse voltage is applied, the poor insulation will appear as a corona or layer discharge.

Brief Introduction : 

 

Due to the influence of coil wire material, magnetic material, framework and manufacture techniques etc., coil products (such as transformers, motors, etc.) may have defects of low insulation between coil layers, circles and leads. VE2882 series impulse winding tester, adopting high-speed sampling technique, is a new generation analysis test instrument for insulation performance of coil products. When testing, VE2882 compares the standard waveform stored in the instrument with current measuring waveform. TH2828 gives the PASS or FAIL comparison result according to Area, Differential Area, Corona Discharge, Differential Phase etc. With strong function, precision test method, flexible operation and various interfaces, VE2882 can provide test solution for most coil winding products

 

 

Key Features : 

  • Low inductance Impulse test (down to 10 Micro H) &Low energy test without damaging the coil

  • Fast detection of winding insulation at a speed of 5.5 measurements /sec

  • Four kinds of waveform comparison methods

  • Up to 20MSPS sampling rate

  • 320X240 dot-matrix graphics LCD display

  • Friendly user is interface and easy operation

  • Multi-trigger mode programmable

  • Voltage, Time and Frequency test function

  • Direct display of comparison result

  • Keyboard lock and password protection function

  • Handler, RS-232C and GPIB (optional) interfaces

  • 800 groups of waveforms can be stored in USB disk (optional)

  • Multi-channel scan and control interface: SCANNER (optional)

    Specifications

Output Impulse Voltage

VE2882A-3U

300V-3000V,50Vstep +5% of setup value +15V

VE2882A-5U

500V-5000V,100V Step +5% of setup value +25V

Voltage Control Mode

Normal

Voltage programmable at the measurement terminals when terminals opened.

Constant

Maintaining selected voltage across the winding independent of changes of the winding impedance

Impulse Energy

VE2882A-3U

Max 90 milli-Joules

VE2882A-5U

Max 250 milli-Joules

Inductance Range

VE2882A-3U

More than 10uH

VE2882A-5U

More than 20uH

Display

Screen resolution

320x240 LCD

Waveform Display Dots

240x200 dots

Display Information

Setting parameter, Standard & measuring waveform ,Measurement & comparison result

Waveform Sampling

Sampling Rate

20MSPS/50ns,10NSOS/100ns,
5MSPS/200ns,25NSOS/400ns,
1.25MSPS/800ns,625kSPS/1.6us,
312kSPS/3.2us,156kSPS/6.4us

Resolution

Sampling points

Input Impedance

10M Ohm(Resistive voltage divider)

Measuring speed

5.5times/sec(Waveform display OFF,PASS/FALL ON)
3.3times/sec(Waveform display ON,PASS/FAIL ON)

Average Rate

1 to 99,Programmable

Waveform Measurement

Voltage, Time, Frequency

Trigger Mode

Internal/Manual(Foot)/External/Bus

Comparison Mode

Area size comparison
Differential area comparison
Corona discharge
Differential phase comparison

Area Size Repetition Accuracy

+1%

Differential Area Repetition Accuracy

+1%

Detection output

PASS/FAIL display, Alarm

Alarm Volume

Long High, Long Low, Single Short, Double Short, OFF

 

Power Requirements

198 V -- 242 V AC,99 V-121 V AC,  47.5 Hz -- 63 Hz  <=40 VA

Dimensions(W x H x D)

350 mm x 135 mm x 400 mm   Weight: 6Kg Approx.


Data Sheet : Impulse Winding Tester


Contact Information

Telephone
+91-40-27744445
FAX
+91-40-27744445
Postal address
95, Road No. 6A, Jyothi Colony, Secunderabad - 500 015 (A.P), INDIA
Electronic mail

Sales                          : vasavielectronics@gmail.com / ranga@vasavi.com
Messenger 
MSN / Skype /Yahoo : vasavielectronics

 

VASAVI ELECTRONICS

No.95, 1st Floor, Road No.6A, Jyothi Colony, SECUNDERABAD - 500 015 (T.S), INDIA

Tel : +91-40-27744445 ; E-Mail : vasavielectronics@gmail.com ; Web : www.vasavi.co.in / www.vasavi.co.in

Skype / Yahoo : vasavielectronics