Larkin M5500 Скачать руководство пользователя страница 1 | Manualshive

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Larkin Power Components, Inc.

P.O. Box 14667, Spokane, WA 99214

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0667, U.S.A.

Phone: 800

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317

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5526 Fax: (509) 891

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5627

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mail : [email protected] Web page : www.larkinpower.com

Power Semiconductor Tester

M5500

User

’

s Guide

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Содержание M5500

Страница 1: ...rkin Power Components Inc P O Box 14667 Spokane WA 99214 0667 U S A Phone 800 317 5526 Fax 509 891 5627 E mail lpc larkinpower com Web page www larkinpower com Power Semiconductor Tester M5500 User s Guide ...

Страница 2: ...IODES AND THYRISTORS 5 OVERVIEW OF TESTING PROCEDURES 6 TESTING SET UP AND PROCEDURES Pressure Pack SCRs Thyristors 8 Pressure Pack Diodes 9 Stud mounted diodes 9 GTOs Gate Turn off Thyristor 10 Power Modules 11 Transistor Modules IGBTs and DARLINGTONs 12 Diode Modules for Rotating Rectifiers 13 USING THE OSCILLOSCOPE OPTION 14 ...

Страница 3: ...Mode Gate Voltage 0 20 VDC 10 ohm source impedance Anode Voltage 14 18 V 10 ohm 1 2 sine wave Panel Meters PRV PFV Mode Peak Anode Voltage 6400 VPK Peak Leakage Current 19 99 mA Gate Mode Gate Voltage 19 99VDC Gate Current 1999 mA Oscilloscope Input PRV PFV Mode X axis voltage sensitivity 1 0 V div 1000 V div Y axis current sensitivity 1 0 V div 10 mA div Gate Mode Anode Voltage Current Curve X ax...

Страница 4: ...eakdown punch through or surface breakdown before the rated leakage current is reached For these devices exceeding the rated voltage established by the manufacturer may result in instant failure or in down grading of the blocking characteristics Large devices have round silicon chips which have been beveled and contoured to reduce the voltage stress at the device junctions at the end of the chip T...

Страница 5: ... approx 200 lbs SCRs Thyristors Diodes NOTE Diodes can have forward or reversed polarity Polarity is determined by the direction of the diode symbol stamped on the component i e arrow pointing towards the stud or base means forward polarity arrow pointing towards the lead or top means reversed polarity Anode Cathode Cathode Gate Gate Anode Aux Cathode Anode Cathode Gate CONNECTIONS ON DIODES AND T...

Страница 6: ...ted PREPARATIONS AND PRECAUTIONS Plug the tester into a properly grounded three wire receptacle When testing pressure pack components hockey pucks the component MUST be compressed at ap prox 200 300 lbs On page 5 is a suggested simple device for compressing these types of components It is recommended that the instrument is connected to ground via the GROUND terminal on the front panel Note When te...

Страница 7: ...on the panel meters The meter reading should be taken just prior to the trigger point to avoid incorrect readings due to a gate impedance change after turn on Return the Voltage Control to the zero position and disconnect the device DIODES Make sure the Voltage Control is at the zero position fully counter clock wise before turning the unit on Connect the Anode and Cathode leads to the device to b...

Страница 8: ...ition and press the TEST button Slowly increase the voltage while observing the Peak Voltage and Peak Leakage Current on the panel meters In a properly functioning device the rated voltage should be reached before the current starts to rise rapidly the break over point Place the function switch in the PFV position and repeat procedure described above Place the function switch in the GATE position ...

Страница 9: ...ng device the rated voltage should be reached before the current starts to rise rapidly the break over point Make sure the Voltage Control is at the zero position fully counter clockwise before turning the unit on Connect the Anode and Cathode leads to the device to be tested NOTE Diodes only have to be tested in one direction If the diode is forward biased standard the function switch should be i...

Страница 10: ... meters In a properly functioning device the rated voltage should be reached before the current starts to rise rapidly the break over point Note Most GTOs are Anode Short type which means that the anode break over voltage is only between 17 and 19 volts Place the function switch in the PFV position and repeat procedure described above Place the function switch in the GATE position and slowly raise...

Страница 11: ...CATHODE LEADS OR HIGH VOLTAGE WILL BE APPLIED TO THE GATE Place the function switch in the PRV position and press the TEST button Slowly increase the voltage while observing the Peak Voltage and Peak Leakage Current on the panel meters In a properly functioning device the rated voltage should be reached before the current starts to rise rapidly the break over point Place the function switch in the...

Страница 12: ...dules the current will rise immediately due to the circuit design Place the function switch in the PFV position and press the TEST button Slowly increase the voltage while observing the Peak Voltage and Peak Leakage Current on the panel meters In a properly functioning device the rated voltage should be reached before the current starts to rise rapidly the break over point Place the function switc...

Страница 13: ...dard the function switch should be in the PRV position If the diode is reversed biased the function switch should be in the PFV position Place the function switch in the PRV PFV position and press the TEST button Slowly increase the voltage while observing the Peak Voltage and Peak Leakage Current on the panel meters In a properly functioning device the rated voltage should be reached before the c...

Страница 14: ...akage Current on the panel meters In a properly functioning device the rated voltage should be reached before the current starts to rise rapidly the break over point which can be seen on the oscilloscope display Place the function switch in the GATE position and slowly raise the Voltage Control while observing the TRIGGER INDICATION light If the light does not turn on or the oscilloscope graph doe...

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