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High Voltage PFT Series, Safety, Operation, And Procedure Instructions

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Safety, Operation, and Procedure Instructions for the PFT Series of 

AC Hipots 

Danger- Lethal Voltages:  

Equipment to be used by trained personnel only 

This Operator Manual contains instructions for the operation of a High Voltage power source. The operator of this equipment 

must use good judgement and follow all safety precautions noted in this guide to ensure the protection of himself and others in 
close proximity to the test area. 

Failure to follow the instructions could result in injury or 

death. Proper grounding of the test set must be done prior to connecting this unit 
to a power source.

 

PFT 

SERIES 

 

Please Refer to 
Documentation 

Before Operation

 

Summary of Contents for PFT Series

Page 1: ... power source The operator of this equipment must use good judgement and follow all safety precautions noted in this guide to ensure the protection of himself and others in close proximity to the test area Failure to follow the instructions could result in injury or death Proper grounding of the test set must be done prior to connecting this unit to a power source PFT SERIES Please Refer to Docume...

Page 2: ...OperatorManual ...

Page 3: ... 1 General Information 2 Features and Specifications 2 3 Controls and Indicators 4 5 S E C T I O N 2 Setting up the Equipment 6 Operating the Equipment 7 10 Blank Page for Notes 11 S E C T I O N 3 Performing Special Operations 12 Meter Re calibration 12 13 Miscellaneous 14 Packing the Cables 14 Return Material 15 Warranty 16 17 ...

Page 4: ... to established procedures for the use of this type of equipment This Operator Manual is organized to provide information on the PFT Series of Hipots in steps that familiarize the new operator with the operation of this test set Section 1 Specifications and Controls Section 2 Setup and Operation Section 3 Performing Special Operations TheFunctions Features andSpecifications ofthePFTSeriesof ACHipo...

Page 5: ...urrents The new simplified controls incorporate this feature transparently Standard features of the PFT Series of include Continuously adjustable output voltage Fixed overload factory set to 120 of variable transformer rated output current Zero Start and External Interlock provision Secondary connected dual range voltmeter Shielded output cable 50 kV and below precludes unnecessary insulated suppo...

Page 6: ...3 PFT MODEL SPECIFICATIONS PFT 103 PFT 303 PFT 503 PFT 1003 SEE SPECIFICATIONS ON LAST SHEET OF PARTS LIST Table 1 PFT Series Specifications ...

Page 7: ...R N A L I N T E R L O C K The Ext Intlk connector is provided to allow for a normally open safety interlock switch to control the energizing of the high voltage output H I G H V O L T A G E O N O F F The HIGH VOLTAGE ON and OFF pushbuttons control the high voltage power circuits The red and green LEDs provide life long positive indication of the circuit status The red LED lights when high voltage ...

Page 8: ... O D E The RETURN MODE switch allows for accurate secondary load current readings In the GUARD position all ground currents are shunted around the meter The load must be isolated from ground to use in the GUARD position In the GROUND position the return point is grounded and all currents load and ground losses are metered B U R N O P T I O N A L The BURN toggle is provided for tests when the load ...

Page 9: ...en provided for the ground connection A second ground lead is provided for two piece units for the grounding of the high voltage section 4 Insert the EXT INTLK plug into the socket on the panel The plug may also be wired to a normally open contact of a safety switch for added protection Hand held safety switches are available from High Voltage to plug directly into the EXT INTLK socket 5 If applic...

Page 10: ...METER RANGE for the test voltage level expected 3 Prior to connecting the output cable toroid to the test sample be sure that the test sample is de energized 4 Connect the output lead to the test sample Be sure that there is enough clearance to grounded objects for the expected test voltage The minimum clearance in air is 10 kV ac inch 5 Return the low side of the test sample to the LOAD RETURN co...

Page 11: ...er the test is complete rotate the OUTPUT control to zero prior to depressing the HV OFF pushbutton 12 If the test sample fails during the test the internal overload relay will de energize the high voltage This relay is in the primary circuit and is sensitive to primary current overloads The overload is set to 120 of the rated current of the variable transformer The use of a gapped transformer in ...

Page 12: ... 1 Grounded Return With the output return in the grounded mode the current meter reads all current to ground internal and external to the test set This current might include corona surface tracking and any shunt resistance The typical diagram for grounded return operation is shown in Figure 2 below 2 Guarded Return With the output return in the guarded mode the current meter will only read current...

Page 13: ...rn Diagram Test Sample High Voltage From Test Set Current flow through return includes only current through the test sample Note that the current to ground is returned after the meter Meter GROUND GUARD RETURN POST GROUND POST ...

Page 14: ...11 THIS PAGE LEFT BLANK FOR APPLICATION NOTES ...

Page 15: ... the aging of the meter The certification of meters on a yearly basis is recommended to ensure accurate test results Voltmeter Re calibration 1 Locate the unit in a position that will allow easy reading of the meters 2 Remove the panel screws and support the panel vertically to gain access to the calibration pot on the back of the voltmeter 3 Zero the meter movement using the zero adjustment below...

Page 16: ...lid earth ground using the supplied black ground test lead prior to connecting the unit to input power 14 Set the CURRENT RANGE to X1 position 15 Connect the output cable to a calibrated reference meter with ability to read 1mA ac Use a series resistance or capacitance to allow for precise resolution when calibrating Be sure to connect the low side of the reference current meter to LOAD RETURN and...

Page 17: ...nk are available from HIGH VOLTAGE INC at the address noted on the inside front cover of this manual The oil level in the tank should be 5 inches from the lid when the oil temperature is 20 C Packing the Cables The output cable will easily fit into the cable storage area next to the control panel Care should be used to avoid damaging the output cable jacket when coiling into the compartment As the...

Page 18: ...rn of the equipment is appropriate If deemed appropriate a Return Authorization Number will be issued At that time the Purchaser will be instructed how to mark and return the equipment The above procedure must be adhered to in order to ensure prompt service No equipment should be returned without the prior knowledge and authorization of High Voltage Inc REPLACEMENT PARTS ORDERING To order replacem...

Page 19: ...red by the purchaser for labor and or materials incidental to the inspection repair replacement or issuance of credit for product or materials under warranty is the sole responsibility of the purchaser This warranty applies solely to products manufactured by High Voltage It does not apply to parts accessories or materials not manufactured by High Voltage or to consumables If purchaser s claim rela...

Page 20: ...lusively determined by High Voltage and any determination shall be final and binding THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED ON THE PART OF HIGH VOLTAGE INCLUDING THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR USE AND NON INFRINGEMENT ARISING FROM ANY BREACH THEREOF AND HIGH VOLTAGE NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON FIRM OR CORPORAT...

Page 21: ... AC OVERLOAD CURRENT METER S1 1 10 214 SWITCH PB MAINT D 250 Vac 15A DPST NO NEON LAMP MICROSWITCH AML32FBB4AD 1 10 250 SWITCH PB COVER BLACK MICROSWITCH AML52 N10K S2 1 10 222 SWITCH PB MOM 125 Vac 15A SPDT GRN LED MICROSWITCH AML22CBS2AA S3 1 10 218 SWITCH PB MOM 125 Vac 15A SPDT RED LED MICROSWITCH AML22CBC2AA 2 10 252 SWITCH PB COVER BLACK MICROSWITCH AML52 C10K S4 1 10 106 SWITCH SNAP ACTION ...

Page 22: ...Ω 1 R4 7 2 02 018 RESISTOR POTENTIOMETER 0 25W 10K MOUSER 569 25PR 10K R5 1 01 098 RESISTOR METAL FILM 0 25W 7 68K 1 R6 1 01 138 RESISTOR METAL FILM 0 25W 49 9K 1 R8 9 2 01 312 RESISTOR CARBON FILM 1W 1 6K OHM 5 RY1 2 2 11 140 RELAY PCB MOUNT SPDT 24 Vdc COIL P B T70L5D131 24 MISC 1 23 101 KNOB SKIRTED DIAL MOUSER 45KN021 2 23 101 KNOB SKIRTED POINTER ALCO PKD 70B 1 4 1 BRACKET ZERO START HVI BKT ...

Page 23: ...tive load 3KVA capacitive load Output Termination Top Toroid Duty 3KVA 1 hour ON 1 hour OFF 1 5KVA continuous Distortion 5 Meter Accuracy 2 FS Kilovoltmeter 3 5 inch Scaled 0 50 100kVac RMS Current Meter 3 5 inch Scaled 0 1 0 milliamperes with x1 x10 x100 range multiplier Case Size H V TANK 19w x 11d x 15 5 high 12w x 13d x 24 high Weight CONTROL 50 lbs 23kg HV TANK 82 lbs 38kg Table 1 PFT 1003CM ...

Page 24: ...D AC OVERLOAD CURRENT METER S1 1 10 214 SWITCH PB MAINT D 250 Vac 10A DPST NO ISOLATED NEON LAMP MICROSWITCH AML32FBB4AD 1 10 250 SWITCH PB COVER BLACK MICROSWITCH AML52 N10K S2 1 10 222 SWITCH PB MOM 125 Vac 15A SPDT GRN LED MICROSWITCH AML22CBS2AA S3 1 10 218 SWITCH PB MOM 125 Vac 15A SPDT RED LED MICROSWITCH AML22CBC2AA 2 10 252 SWITCH PB COVER BLACK MICROSWITCH AML52 C10K S4 1 10 106 SWITCH SN...

Page 25: ...SISTOR METAL FILM 0 5W 133Ω 1 R4 7 2 02 018 RESISTOR POTENTIOMETER 0 25W 10K MOUSER 569 25PR 10K R5 1 01 098 RESISTOR METAL FILM 0 25W 7 68K 1 R6 1 01 138 RESISTOR METAL FILM 0 25W 49 9K 1 R8 9 2 01 312 RESISTOR CARBON FILM 1W 1 6K OHM 5 RY1 2 2 11 140 RELAY PCB MOUNT SPDT 24 Vdc COIL P B T70L5D131 24 MISC 1 23 101 KNOB SKIRTED DIAL MOUSER 45KN021 2 23 101 KNOB SKIRTED POINTER ALCO PKD 70B 1 4 1 B...

Page 26: ...istive load 3KVA capacitive load Output Termination Top Toroid Duty 3KVA 1 hour ON 1 hour OFF 1 5KVA continuous Distortion 5 Meter Accuracy 2 Kilovoltmeter 3 5 inch Scaled 0 50 100kVac RMS Current Meter 3 5 inch Scaled 0 1 0 milliamperes with x1 x10 x100 range multiplier Case Size H V TANK 19w x 11d x 15 5 high 12w x 13d x 24 high Weight CONTROL 55 lbs 25kg HV TANK 82 lbs 38kg Table 1 PFT 1003CMF ...

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