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Date: 25/07/03

R.V.R. Elettronica S.r.l. (BO)

VJ12000-TR - R.F. Tube Amplifier

TECHNICAL AND MANTEINANCE MANUAL

VJ12000-TR

12KW Power Triode Amplifier 87.5-108 MHz

Manufactured by R.V.R. Elettronica - Italy

Содержание VJ12000-TR

Страница 1: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 1 TECHNICAL AND MANTEINANCE MANUAL VJ12000 TR 12KW Power Triode Amplifier 87 5 108 MHz Manufactured by R V R Elettronica Italy ...

Страница 2: ... TECHNICAL SPECIFICATIONS 12 CHAPTER 2 13 ELECTRICAL DESCRIPTION 13 2 1 INTRODUCTION 13 CHAPTER 3 31 EQUIPMENT INSTALLATION 31 3 1 INTRODUCTION 31 3 2 UNPACKING 31 3 3 TUBE INSTALLATION 33 3 4 EQUIPMENT SETTING AT WORK 42 CHAPTER 4 44 TUBE MEASURES CARD CALIBRATION 44 4 1 NOTICE 44 4 2 INTRODUCTION 44 4 3 MEASURES CARD ADJUSTING OPERATIONS 48 CHAPTER 5 57 MAINTENANCE 57 5 1 SAFETY RULES 57 MAINTEN...

Страница 3: ...3 REGULATION RF MHZ 41 FIG 24 MEASURES CARD REFERENCE VIEW 45 FIG 25 MEASURES CARD REPLACING DIAGRAM N 1 46 FIG 26 MEASURES CARD REPLACING DIAGRAM N 2 47 FIG 27 POWER SUPPLIES CONNECTION FOR THE CALIBRATION OF TEST POINT VOLTAGES 51 FIG 28 REPORT MEASURE 55 FIG 29 POWER SUPPLY SOCKET 60 FIG 30 ANODE TENSION TRANSFORMER SOCKET 61 FIG 31 RACK POWER SUPPLY BASE 62 FIG 32 HIGH TENSION PANEL 63 FIG 33 ...

Страница 4: ...03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 4 TABLE D MEASURE TESTS CARD 52 TABLE E QUIESCENT WORKING PARAMETERS 56 TABLE F ADVISABLE EQUIPMENT FOR TEST 56 TABLE G VOLTAGE STABILYZER PARAMETERS 56 ...

Страница 5: ...ocedures to short out capacitors and high voltage points before servicing Any damage to the goods must be reported to the carrier in writing on the shipment receipt Any discrepancy or damage discovered subsequent to delivery shall be reported to R V R within five 5 days from its receipt R V R extends to the original end user purchaser all original manufacturers warranties which are transferable an...

Страница 6: ...and seal the package perfectly The customer always assumes the risks of loss i e R V R is never responsible for damage or loss untill the package reaches R V R premises For this reason we suggest you to insure the goods for the whole value Shipment must be effected C I F PREPAID to the address specified by R V R s service manager on the authorization DO NOT RETURN UNITS WITHOUT OUR AUTHORIZATION A...

Страница 7: ...AN OTHER WARRANTY 12 24 MONTHS 12 MONTHS The last category is for hardware or accessory items whwre only calendar time is involved An Original Equipment Manufacturer OEM or an authorized Varian Distributor can hold an item in his stock for 12 months and the end user still receiver full warranty As an example warranty code T is for 36 months from the date of the shipment from EIMAC or 24 months fro...

Страница 8: ...BES III SAFETY REGULAMENT WARNING The currents and voltages in this equipment are dangerous Personnel must at all times observe safety regulation This manual is intended as a general guide for trained and qualified personnel who are aware of the dangers inherent in handling potentially hazardous electrical and electronic circuits It is not intended to contain a complete statement of all safety pre...

Страница 9: ...nce as soon as possible 2 If victim is responsive a Keep them warm b Keep them as quiet as possible IF PULSE ABSENT BEGIN ARTIFICIAL CIRCULATION APPROX 80 SEC ONE RESCUER 15 COMPRESSIONS 2 QUICK BREATHS APPROX 60 SEC TWO RESCUERS 5 COMPRESSIONS 1 BREATH LIFT UP NECK PUSH FOREHEAD BACK CLEAR OUT MOUTH IF NECESSARY OBSERVE FOR BREATHING TILT HEAD PINCH NOSTRILS MAKE AIRTIGHT SEAL 4 QUICK FULL BREATH...

Страница 10: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 10 c Loosen their clothing a reclining position is recommended ...

Страница 11: ...ment c Treat victim for shock as required d Arrange transportation to a hospital as quickly as possible e If arms or legs are affected keep them elevated NOTE If medical help will not be available within an hour and the victim is conscious and not vomiting give him a weak solution of salt and soda 1 level teaspoonful of salt and 1 2 level teaspoonful of baking soda to each quart of water neither h...

Страница 12: ...with grounded grid configuration working on the frequency range 87 5 108 MHz This amplifier is able to operate at 12KW output power with a driving power of about 500 W The amplifier has motorized plate load and input tuning and is able to cover the completely frequency range The VJ12000 TR is been projected to use a three phases mains voltage monphase only on request 1 3 TECHNICAL SPECIFICATIONS S...

Страница 13: ...4 56 H Panel Dimension 483 mm 19 W 1779 mm 71 11 H Weight 470 Kg 770 Lbs Working extreme temperatures from 10 to 50 C Umidity max 90 Without condensing CHAPTER 2 ELECTRICAL DESCRIPTION 2 1 INTRODUCTION This chapter describes accurately the VJ12000 TR electrical components For an easy understanding the equipment is been divided in modules each of them is described completely as follows ...

Страница 14: ...tronica S r l BO VJ12000 TR R F Tube Amplifier 14 FIG 1 FRONTAL VIEW REF DESCRIPTION 1 Protections panel 18U 2 Exciter 2U 3 Driver 3H 4 High Voltage Panel 9H 5 Free panel 1HE 6 Free panel 3HE 7 Free panel 2HE 8 Free panel 2HE ...

Страница 15: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 15 FIG 2 REAR VIEW REF DESCRIPTION 1 Rear panel 2 Air filter ...

Страница 16: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 16 FIG 3 UPPER VIEW REF DESCRIPTION 1 RF output connector 1 5 8 2 Output air chimney 200 mm diameter 3 Upper panel ...

Страница 17: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 17 FIG 4 HINGED FRONTAL PANEL WITH TELEMETRY ...

Страница 18: ...eset of analog instrument for the measure of the forward and reflected power 6 ENCODER Encoder for telemetry connection optional 7 ENCODER SWITCH Key switch to enable the telemetry optional 8 EMERGENCY PUSH SWITCH Emergency push switch to stop the equipment 9 TUNING KEY SWITCH Key switch to enable the motorized tuning 10 TIME FILAMENT DISPLAY Display for the screening of the pre heating filament t...

Страница 19: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 19 FIG 5 HINGED FRONTAL PANEL WITHOUT TELEMETRY ...

Страница 20: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 20 FIG 6 HIGH VOLTAGE PANEL REF DESCRIPTION 1 Quadripole main switch 2 Service outlet ...

Страница 21: ... 21 FIG 7 P1 POWER SUPPLY SECTION VIEW REF DESCRIPTION 1 Rectifier diodes bridge for plate voltage 2 Plate voltage power supply transformer 3 Plate Voltage transformer socket 4 Plate voltage filtering capacitor 5 Inductance 6 Discharge resistor for high voltage capacitor ...

Страница 22: ...ee phase input socket mono phase on request 9 Services transformer 10 Electromechanism telemetry card optional 11 Filament transformer 12 Blower overload cutout 13 Three phase checking presence 14 Blower and filament stabilizer power socket optional 15 Fuses service socket 16 I O for external interlock 17 Tuning motor input LOAD 18 Driver power supply 19 Tuning motor grid TUNE 20 Pressure switch 2...

Страница 23: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 23 LEFT VIEW PARTICULAR POWER SUPPLY SECTION ...

Страница 24: ...S r l BO VJ12000 TR R F Tube Amplifier 24 FIG 9 R F CAVITY FRONTAL VIEW REF DESCRIPTION 1 Threaded bar for motorized tuning 2 Sliding plane with fingers 3 Plate pipe 4 Wrapper 5 Plate ring 6 Wrapper 7 Blower air input 8 Load capacitor ...

Страница 25: ...25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 25 FIG 10 R F CAVITY FRONTAL VIEW REF DESCRIPTION 1 Plate ring 2 Tube Socket filament contact 3 Tube Socket filament contact 4 Load capacitor ...

Страница 26: ...IG 11 TUNING MOTORIZED MECHANISM VIEW RIF DESCRIZIONE 1 H T cable 2 Plate pipe isolator 3 Horn gap arrester 4 Micro switch for R F cavity protection 5 Plate pipe 6 Moving strap plane 7 Micro switch for top end position of the sliding plane RIGHT PARTICULAR VIEW TUNING SWITCHS ...

Страница 27: ...ifier 27 8 Micro switch for upper end position of the sliding plane 9 T A FIG 12 R F CAVITY TOP VIEW RIF DESCRIZIONE 1 EIA 1 5 8 flange R F output connector 2 Wattmeter 3 Directional coupler 4 Output air chimney diameter 180 mm 5 Temperature strobe 6 Low pass filter ...

Страница 28: ... l BO VJ12000 TR R F Tube Amplifier 28 FIG 13 R F CAVITY LEFT LATERAL VIEW RIF DESCRIZIONE 1 Power supply plane 2 Finger 3 Stripline 4 Cavity RF 5 Low pass filter 6 Cavity input air 7 Electro mechanical plane VIEW DISSASEMBLED STRIPLINE ...

Страница 29: ...tronica S r l BO VJ12000 TR R F Tube Amplifier 29 FIG 14 R F CAVITY RIGHT LATERAL VIEW RIF DESCRIZIONE 1 Cavity Rf view 2 Low pass filter view 3 Power sypply section 4 Electro mechanical plane 5 Power switchs for tuning motors ...

Страница 30: ...3 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 30 FIG 15 REAR VIEW RIF DESCRIZIONE 1 Blower 2 Power supply plane 3 Power transformer support 4 Electro mechanical plane 5 Low pass filter 6 Service calmps ...

Страница 31: ...e necessary equipment are a screwdriver with cross head a soket wrench 7 mm and 10 mm a setscrew wrench M6 M8 Make sure to have a container where put all the screws Remount all screws and to make sure that isn t component outside the appropriate position Then insert the power transformer support into rack to make sure to have removed the screws with the setscrew wernch M6 Now remove the plexiglass...

Страница 32: ...l board protection and to lace the threads of the terminal board see drawings with n 1 key soket wrench M8 n 1 setscrew wrench M6 n 1 screwdriver When the connections are connected reassemble the plexiglas protection and the anterior 9 unities panel close again the other panels and proceed with the valve installation Is advisable close the back panel only before working SCREWS POWER SUPPLY SOCKET ...

Страница 33: ... the clamp that fixes the plate ring and move it to the top limit FIG 17 Then insert the tube and at the same time turn it until the grid ring is perfectly on the fixed socket ring of the cavity To be sure of the correct insertion of the tube is necessary that the GRID 1 contact that is the nearest to the plate is totally inserted into the fingers mounted on the socket plane NOTE Don t touch the t...

Страница 34: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 34 FIG 16 TUBE INSTALLATION DIAGRAM N 1 ...

Страница 35: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 35 FIG 17 TUBE INSTALLATION DIAGRAM N 2 Plate pipe ...

Страница 36: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 36 FIG 18 TUBE INSTALLATION REFERENCE VIEW N 2 ...

Страница 37: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 37 FIG 19 TUBE INSTALLATION DIAGRAM N 3 Plate pipe Clamper ...

Страница 38: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 38 FIG 20 TUBE INSTALLATION REFERENCE VIEW N 3 PARTICOLARE MORSETTO ...

Страница 39: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 39 FIG 21 TUBE INSTALLATION REFERENCE VIEW N 4 Plate ring ...

Страница 40: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 40 FIG 22 TUBE INSTALLATION REFERENCE VIEW N 4 ...

Страница 41: ...tuning adjusting the distance correspondly to the MHz FIG 23 REGULATION RF MHZ Height Cm Frequence Mhz 9 5 88 10 5 89 11 5 90 12 5 91 13 5 92 14 5 93 15 5 94 16 5 95 17 5 96 18 5 97 19 5 98 20 5 99 21 5 100 22 5 101 23 5 102 24 5 103 25 5 104 26 5 105 27 5 106 28 5 107 29 5 108 TABLE C FREQUENCIES REFERENCE ...

Страница 42: ...s on the protection card as described in the protection logic specifications NOTE Pay attention to don t broke the Interlock micro switches that stop the equipment 4 Check with the multimeter that filament current is about 160 A 4 Now using the panel multimeter verify that the filament voltage is 6 3V 0 37 V if the correct sequence is follow starting the Timer for pre heating previous to chenge in...

Страница 43: ... tuning operations sequence of INPUT TUNE and INPUT LOAD for the least output power and consequently of OUPUT TUNE and OUPUT LOAD for the maximum output power increasing gradually the input power in case that increasing driving power increases the input SWR of the VJ12000 adjust the input tuning by INPUT LOAD and INPUT TUNE for the minimum SWR value 12 Adjust now the driving power level and OUPUT ...

Страница 44: ...eed to the calibration of the card as described later on Before to proceed to the calibration check on the card if J3 is in short circuit and if it s verified the card is been configured for a tetrode amplifier If the short circuit is on J4 the card is been set for a triode amplifier 4 2 INTRODUCTION To calibrate the measures card for tube amplifiers placed near to mains voltage switch in the rear...

Страница 45: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 45 FIG 24 MEASURES CARD REFERENCE VIEW ...

Страница 46: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 46 FIG 25 MEASURES CARD REPLACING DIAGRAM N 1 ...

Страница 47: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 47 FIG 26 MEASURES CARD REPLACING DIAGRAM N 2 ...

Страница 48: ... for VJ12000 TR tree phases version with 3CX15000A7 tube IA max set to 2 5 A corresponds to 3 9 V on the TP6 test point output In this way if the current exceeds 2 5 A value the protections intervene In the manual there is a table with all input and output voltage of the card IA 2 5 A Ig 500 mA VF 6 3 VAC If 160 A ROS o RFL 1000 W 4 3 MEASURES CARD ADJUSTING OPERATIONS Adjusting procedure of the c...

Страница 49: ...ultimeter with the negative connected to ground and the positive connected to relative test point in according to the value that you want calibrate Because of the various tube type on which can be connected this card can happen that the voltages measured can be both positive and negative but it s always necessary to have a positive voltage on the test point output To obtain this it is necessary to...

Страница 50: ...imeter card verify that the instrument placed on the hinged front panel read correctly If the reading of the multimeter corresponds to preset value verify that the selector is on CAL position and the instrument read the full scale otherwise turn TR10 trimmer to calibrate the instrument Now it s possible to calibrate the measures using trimmers placed on the measures card that correspond to the req...

Страница 51: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 51 FIG 27 POWER SUPPLIES CONNECTION FOR THE CALIBRATION OF TEST POINT VOLTAGES ...

Страница 52: ...C 500 0 mA I STEP Fluke Measure 3 9 VAC 140 A II STEP Fluke Measure 6 250 VAC 160 A 7500 VDC 2 5 A 57 VDC 500 0 mA On the measure card there are n 2 trimmer P18 corresponding to VG1 voltage presence and P19 for VA voltage presence These two trimmers set the thresholds for the VG1 and IA voltage presence on the equipment Once that is been verified the voltages presence the relays are closed to enab...

Страница 53: ...enerate an justable voltage of 3 95 V by trimmer P20 and to measure it on test point TP10 Working on dip switch SW1 it s possible to have the preset tension on the chosen output The correspondence on the dip switch SW1 is the following SW1 Test Point Measure 1 TP8 I Filament 2 TP7 V Filament 3 TP6 I Anode 4 TP5 V Anode 5 TP4 IG2 6 TP3 VG2 7 TP2 IG1 8 TP1 VG1 ...

Страница 54: ...alibration of the trimmer P16 proceed as follows 1 Insert the tube in the socket and close again the RF cavity so that is possible to switch on it 2 Place an amperometric clamp so that to include one of the two power supply wires of the filament that are connected to the socket 3 Switch on the equipment and place the selector switch MIN FIL ST BY to FULL FIL position 4 Verify that led FIL 2 is lig...

Страница 55: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 55 FIG 28 REPORT MEASURE ...

Страница 56: ...ird 50 Ohm P 12 KW By Pass Wattmeter Bird Mod 4715 200 50 Ohm with sample Power Supply HP6002A 0 50 V 0 10 A TABLE G VOLTAGE STABILYZER PARAMETERS Model STM0K9 G codice ST1502 Input Power max 900 VA Input Current max 4 1 A Sensibility adjustable from 0 5 to 5 Input Voltage Variation max 15 Efficiency 98 Stabilizzation with a precision indipendent from load and power factor cosφ Harmonic Distorsion...

Страница 57: ...tube cavity and the air filter The periodicity of this maintenance depends from the working conditions of equipment enviromental temperature the dust level of the air humidity It s advisable to execute a preventive checking each three months and to replace the blowers that has some problems as noise or friction Then at regular period is necessary the replacing of the tube The numbers of the tube l...

Страница 58: ...g screws of the internal panel of the RF cavity 8 Loosen the plate ring and raise it until the top position and then fix it in this position 9 Remove the high tension block from the top part of the tube 10 Remove the tube from its socket exerting a perpendicular traction from the base upwards and contemporary turn the tube to right and left side to reduce the frictions 11 To remount the tube execu...

Страница 59: ...d power 6 The last operation will be able to cause an increasing of the anode current now act on OUPUT TUNE and OUPUT LOAD commands to obtain the maximum output power readable on the wattmeter Place the DIR REF selector on DIR position Verify that the threshold bar move to internal position of RF cavity each time that we are near to the 108 MHz frequency and to external position respect the cavity...

Страница 60: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 60 This section contains circuit diagrams and alyouts of the module which conposing the equipment FIG 29 POWER SUPPLY SOCKET ...

Страница 61: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 61 FIG 30 ANODE TENSION TRANSFORMER SOCKET ...

Страница 62: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 62 FIG 31 RACK POWER SUPPLY BASE ...

Страница 63: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 63 FIG 32 HIGH TENSION PANEL ...

Страница 64: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 64 FIG 33 ELECTROMECHANICAL PLANE TRIODE ...

Страница 65: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 65 ...

Страница 66: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 66 ...

Страница 67: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 67 FIG 34 RESISTENZE DI SOFT START E POLARIZZAZIONE VALVOLA ...

Страница 68: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 68 FIG 35 TUBE AMPLIFIERS PROTECTIONS CARD ...

Страница 69: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 69 FIG 36 HIGH POWER RELAYS CARD ...

Страница 70: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 70 FIG 37 TUNING RELAYS CARD ...

Страница 71: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 71 FIG 38 TELEMETRY INTERFACE CARD ...

Страница 72: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 72 FIG 39 MEASURES CALIBRATION CARD ...

Страница 73: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 73 FIG 40 THERMAL STROBE CONNECTOR ...

Страница 74: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 74 FIG 41 P W R MEASURE CONNECTOR ...

Страница 75: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 75 FIG 42 I2 CBUS CONNECTOR FOR TELEMETRY BOX ...

Страница 76: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 76 FIG 43 PTXLCD CONNECTOR ...

Страница 77: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 77 FIG 44 LOW VOLTAGE CIRCUIT DIAGRAM ...

Страница 78: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 78 FIG 45 THREE PHASES CIRCUIT DIAGRAM ...

Страница 79: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 79 FIG 46 MEASURES AND ALLARMS CIRCUIT DIAGRAM ...

Страница 80: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 80 FIG 47 ELECTRIC SCHEMES ...

Страница 81: ...S p a Bo Via del Fonditore 2 2c 40138 Bologna Italy Telephone 39 51 6010506 Fax 39 51 6011104 e mail info rvr it www rvr it Printed and bound in Italy All rights reserved No part of this manual may be reproduced or utilized in any form or by any means electronic or mechanical including photocopying recording ...

Страница 82: ...Date 25 07 03 R V R Elettronica S r l BO VJ12000 TR R F Tube Amplifier 82 or by any information storage and retrieval system without permission in writing from the publisher ...

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