Product Manual - TDK-Lambda Americas Inc.
Contents
1. 32 83487001 Revision F Figure 13 Parallel Operation Connections for 402S OEM Supplies Notes 3 83487001 Revision F 7 APPLICATION NOTES The 402 series power supplies are high voltage power sources and great care should be taken when connecting and operating these units In order to aid installation and system design a number of application notes have been produced to support the design engineer with certain load circuit component rating and selection The latest versions of these application notes are available for download at the TDK Lambda High Power web site http www us tdk lambda com hp product html high volt htm The following App Notes were available at the time this manual was produced These documents are continually2. J1 1 NC25J2 3 APPLICATION LTR BY APP 151 44 BUFFER STALLED 121 TEMP J2 9 INV J2 10 43 9 3 9 INV B 03 10 Vref J1 18 00TUF EN 2v 6 18 J1 12 45 186 ON OFF J1 15 lt e SP13 J6 15 J1 16 45 15 vef BUFFER V INHIBIT J5 14e e J6 14 INHIBIT 25 13 J6 13 lt e Pit 1 2 Y D24 4 4 AUTOCAD DRAWING THIS 15 STANDARD FORMAT NOT ALL BOXES APPLY TO EVERY DRAWING AND MAY NOT BE FILLED IN 1034 46 v 200 NOIE REF DE REFERENCE DESIGNATIONS C12 HIGHES NOT USED 269 2 042 12 SUMMARY FAULT 2
3. E2 VNR VNR 4 UPPER INVERTER ASSY 1 20 851 400 01 000 608 REFERENCE DESIGNATIONS HIGHEST NOT USED C 12 2 2 23 wt 11 14 17 18 ee SHEET I or 1 DWN DATE ELECTRONIC 3 12 98 x MEASUREMENTS INC Bt 8 13 99 SCHEMATIC 402 spelje i uc t3 od 208V SYSTEM 1151 v 87 SCALE NONE THIS IS COMPUTER GENERATED DWG NO MANUAL REVISIONS ARE PERMITTED APPLICATION NO USEO ON NEXT ASSY otv INTIAL REL 2 3 96 802 L 3 REL 5 tco 715288 6 1 97 22 CONTACTOR 1 003 0206 01 000 609 t u 12 B of 4 46 HV OUTPUT HIGH VOLTAGE VNR NEUT 7 2 ASSY 1500 1500uF 20 N 4507 450 JUMPER nw BRKT WNR A K AK P O MP O VNR SENSE J circuit dins FAN ASSY AUXILIARY 8D 1 003 02721 20 799 000 1 A4 1 01 000 612 INVERTER ASSY 20 851 400 1 01 000 608 i EA E 3 J2 ps A3 CONTROL BD 1 001 0219 20 003 301 1 1 Coax 2 COAX oe HIP NI J 1 1 1 ASSY 1 1 1 1 1 1
4. 30 Figure 12 4021 and 402S OEM Parallel System control 31 Figure 13 Parallel Operation Connections for 402S OEM 32 List of Tables Table 1 402 Model Description 7 Table 2 Recommended AC Input tenet 13 Table Front Panel Controls and Indicator Functions 16 Table 4 Front Panel Controls and Indicators S 19 Table 5 402L Rear panel Functions 4 20 Table 6 402 Remote Interface 25 3 83487001 Revision F 1 GENERAL INFORMATION 1 1 1 2 User Manual Content This User s Manual contains the operating instructions installation instructions and specifications for the ALE 402 series high voltage power supply The instructions refer to standard power supply models and include checkout installation and operation of the 402 series Suggestions and requirements for connecting AC power load cables and signal cables are given Various operating modes and programming modes are described The model 402 is just one model in a broad family of HV power supplies covering the power range from 500J sec to 30kJ sec in a single package and to 1MW
5. 7 HIGHEST NOT USED FRONT PANEL F ASSY 26 582 100 1 i E r EI E MO MU CE DL i i j i i THIS 15 A COMPUTER GENERATED NO MANUAL REVISIONS ARE PERMITTED 129 11W 2X P FOR 400VAC 26 587 001 5 AUXILIARY 20 799 000 01 000 612 9 FAN ASSY CONTROL BD 20 003 301 01 000 614 DPM BD ASSY 003 0266 001 0113 A13 DPM ASSY 003 0266 001 0113 An cab 20 783 00072 A7 FRONT PANEL ASSY 26 582 150 2 APP 2 11 a APPLICATION E w USED ON next assy 1 wi R 402L 003 0351 REL HV OUTPUT vorace 2 D a vB 5 20 851 400 01 000 608 Tor ENG 4 v N A A 2 1179 FRAG 4 3 b s date Anais 22 tees 2 79 4 sect 1 orl ELECTROMIC MEASUNEMENTS INC SCHEMATIC 4021 400VAC SYSTEM PME eee EAT 001 487 013 THIS 15 COMPUTER GENERATED DWG NO MANUAL REVISIONS ARE PERMITTED CALIBI R26 327 0 5 24 25K A1 COMPENSATION R2 COAX 1
6. 12 1 83487001 Revision 4 1 19 Inch Rack 12 4 2 Ventilation 12 43 Orientation onines d tine 12 4 4 AC Power 12 4 5 Connecting the High Voltage Output Error Bookmark not defined CONTROLS INDICATORS CONNECTORS 16 5 1 Front Panel Layout L Model 16 5 2 HV Push Button 1 17 53 Status LEDS R6f 2 Ie dba eor RR Ce RR NE 17 5 4 Local Voltage Set meret 18 5 5 Voltage bar graph 4 18 5 6 Voltage Display 5 18 5 7 HV OFF Push Button 6 18 5 8 Off Local Remote Keyswitch Ref 7 18 5 9 View set push button Ref 8 2 18 5 10 Current bar graph 9 18 5 11 Current Display Ref 10 sessi nennen intentan i 18 5 12 Power switch Ref 11 eene 19 5 13 Front Panel Layout S Model sse 19 5 14 Rear Panel Layout L 2 19 5 15 Rear Panel Layout S 21 5 16 Rear Panel Layout OEM Models seem 22 5 17 REMOTE CONTROL CONNECTOR PIN 23 OPERATING 65 1 1 1111 11 00 611 nnn 24 6 1 Local
7. Examples are 402L 10kV POS 400VAC and 402S 20kV POS DC The 402 is available with three front panel configurations the L S and OEM The choice of panel configuration is dependant upon the installation and system requirements See section 5 for further details Table 1 shows a partial listing of the model description format for the 402 Power Supply family For additional options the customer may contact the Sales Department at TDK Lambda Americas Special options are typically shown as a four digit suffix to the model number 402 model voltage polarity mode input options Model L S OEM Output Voltage Range kV POS or NEG Polarity AC VOLTAGE OPTIONS i Input Suffi Standard d npu uffix 5V Programming ay 180 264VAC Low Enable Standard Blank Continuous 50 60HZ 3 20A Max 400VAC 340 460VAC N 2 END Option 50 60Hz 3 400VAC y ISA Max Custom cable length Latching Overload Table 1 402 Model Description Format 7 83487001 Revision F 2 SPECIFICATION 2 1 Average Charging Power 4 000 Joules sec 4 CV x Rep Rate 2 2 Peak Charging Power 5 000 Joules sec tcnarge 2 3 Average DC Power 4 000 Watts 1 2 4 5 10 15 20 30 40 variable from 10 100 of rated 2 4 Output Voltage Range Other voltages on request please contact the factory 2 5 Polarity Available as fixed Positive or Negative Please
8. 7 FRONT PANEL ASSY 003 0281 e2 CIRCUIT BREAKER OPTION 2 A2 VNR BD MOUNTED OFF 003 0206 BOARD 01 000 609 1 2 9 AC3 cf 9 FOR 208VAC A1 REAR PANEL ASSY 26 587 005 5 AUXILIARY BD 20 799 000 01 000 612 OPTION 2 402 OEM VERSION WITH CIRCUIT BREAKER AND WITHOUT FUSES J2 P15 P9 5 tee eee ce 2 2 CONTACTOR 1 7 SHEET 3 or 3 REL TO MFG ENG CTL 5 ELECTRONIC my S WER 12790 MEASUREMENTS INC DATE CHK DATE TITLE SCHEMATIC 402 0EM DATE 200VAC SYSTEM DATE _01 487 003 THIS IS A COMPUTER GENERATED DWG NO MANUAL REVISIONS ARE PERMITTED VNR BD 120 11W 2X 003 0206 01 000 609 CRI 1 n Bila FOR 400VAC REAR i PANEL ASSY i OT moe Do Ind aea ete n eee edt Met a r 1 1 FAN ASSY AUXILIARY pod 20 799 000 01 000 612 1 Ji pig I I Mejzi HEC d 22 J3 J2 1 15 FRONT PANEL BLANK 002 0226 ee xe 450V CONTROL BD 20 005 306 01 000 674 J3 1 1 1 1 COAX 2 COAX N A FIN N A 2 1500uF tL 1500uF 450V 5 wexrassv 1 TAL REL 7 13 85 CH 003 0273 A REL 33 12 96 cis GA fee ee el eet uc ONO
9. 9 900ft 3 000m 2 23 Humidity 10 90 non condensing Open short circuits Overloads Arcs Overtemp Overvoltage Safety 2 24 Protection Interlock Via 25 pin D sub connector on rear of unit Signals include Vprogram 0 2 25 Remote Control all models 40y HV Enable Reset Inhibit Summary Fault Load Fault Vanalog Vpeak 2 26 Accessories 10ft HV cable operating manual 8 83487001 Revision F Low Enable Replaces standard high enable 5V 0 5V Analog programming Replaces standard 0 10V programming LP Latching Overload Protection requires HV reset after overload fault 2 27 Options P DC Continuous DC operation CT AC line contactor option for 402OEM only standard on 402L and 402S Double terminated HV cable and mating bulkhead connector 2 28 Ordering Info Model XXkV POS or NEG YYYVAC ZZ options 2 29 Ordering Examples 402L 10kV POS 402S 1kV NEG DC 402 OEM 50kV POS 400VAC All specifications subject to change without notice 9 83487001 Revision F 3 OUT OF BOX INSPECTION 3 1 3 2 Visual Inspection Prior to shipment this instrument was inspected and found to be free of mechanical and electrical defects As soon as the unit is unpacked inspect for any damage that may have occurred in transit Verify the following a Check the operation of the front panel control knob should rotate smoothly b
10. Open collector through 1000 Low impedance when inhibit signal applied 5 End of Charge O Open collector through 1000 Low impedance when power supply reaches End of LED Charge Inhibit Input 5 15V Inhibits unit open or ground allows operation Input impedance gt 10kQ HV ON OFF 15V On ground or open Off Also used to reset latching faults by cycling from On to Off Input impedance gt 1 If the EN option is installed 15V Off Ground or open 9 Peak output volts 0 10V 196 Peak detector of output voltage waveform Can be used to drive a meter displaying peak charging voltage Impedance 10k If the 5V option is installed the voltage level is 0 5V 10 HVONLED Open collector through 10000 Low impedance when HV output is enabled 12 GND Control circuit return Also chassis earth ground 13 Charge current Uncalibrated Analog of output current waveform Impedance 10kQ 14 15V 15V through 100 16 Overtemp LED O Open collector through 1000 Low impedance when inverter overtemperature condition 17 Interlock LED Open collector through 1000 Low impedance when external interlock circuit is open 18 Load fault LED Open collector through 1000 Low impedance when load fault condition occurs Load fault is normally a non latching fault and will self reset after approximately 500ms for models without LP option unless caused by an output overvoltage where the supply will latch of
11. 13 95 NOT POPULATED ARE C8 64 68 D3 30 R8 9 47 49 88 9 1 13 95 DOC REL DATE DATE DATE SCHEMATIC CONTROL BD RE V B 0219 _ lage ao NU scale nwa 7 13 95
12. 5 M 22 NEXT ASSY 06 REVISED PER ECO 424 8 91 2 SES dE 102 152 402 802 07 ENGINEERING CHANGE 4022 do 18 rua 04 30 02 v NC 3 J1 14 NC 5J1 26 FE 9 2 2 09 27 06 R87 DR NE A 4 7 42 2 4 7uF 35V 244 139 40106 470pF N 244 17 09 TuF 50V 4013 6 R43 1 202 52 55 T e 20K 4 4 35 Not DRIVE A 4 N914 Iy ede C45 12 45 2 4 47 s F 50V 6 SC427 e C46 35 3 5 2 e DRIVE B 21 tS 0 V PEAK DETECT Lor 9 A D17 N914 680K 2 T 1N914 4 em R53 M DRIVE B 15K 02 40106 2 4 5 1 OVER LOAD TIMER 7 45 1 V ANALOG D22 4 J6 11 OVERLOAD TiNSA 1595 11 J41 25 CURRENT j 4 gt 45 25 R64 00 eae C25 J1 17 V PEAK 3 J5 17 CS 2200pF AuF S0V 10 LOAD FAULT XA C55 i 50V 2 Dum 0 UM t END OF CHARGE C56 13 EN 6 90V 9 HV ON C57 Auf 50V 025 RE 9 1N914 10K 20 E S gt WAP 20 HV OFF C585 F 4 4 0 M 2 C59 J1 5 INHIBIT SEN 14 05 ceo OVER TEMP F 50V D G 5 3 INTERLOCK OPEN EDU SHEET 10F 1 J6 Q17 t 005 R96 R92 94 SP15 51 2 5 3 019 REL TO MFG ENG CTL PRJ ENG DATE DWN DATE AMCAD 7 13 95 1 84 MFG DATE Oo DATE 2 7 A AMANAMI
13. Customer Service shall confirm the permission by sending a replacement seal Once the unit has been serviced the customer shall close the cover and apply the replacement seal adjacent to not on top of the broken seal Returning Defective Units If a unit needs to be returned to the factory for repair the factory must first assign an RMA number Please complete and send the online RMA request form at http www us tdk lambda com hp RMA request htm and an RMA number will be assigned Follow the return instructions on the form or at http www us tdk lambda com hp returns htm 11 83487001 Revision F 4 INSTALLATION 4 1 19 Inch Rack Mounting This power supply is intended for mounting in a conventional 19 inch equipment rack It s 7 inch height makes it a 4U size instrument The rack should enclose the sides top and back to protect the operator from electrical shock and protect the supply from environmental contamination Never install the 402 so its weight is supported only by the front panel screws The 402 must never be installed without support in the back or sides of the unit The 402 should be mounted on support rails or chassis slides such as General Devices CTS 124 or on a suitable shelf or supports inside the rack 4 2 Ventilation Requirements This instrument is fan cooled Sufficient space must be allocated so that a free flow of cooling air can reach the back and sides of the instrument when it is in op
14. LED The HV ON LED indicates that the HV output circuit is enabled and the supply will deliver output current if it is not inhibited by an external inhibit input If the HV ON and HV OFF LEDs are illuminated together this indicates a Summary Fault HV ON LED is active in local and remote modes HV OFF LED The HV OFF LED indicates that the HV output circuit is disabled and the supply cannot deliver output current If the HV OFF and HV ON LEDs are illuminated together this indicates a Summary Fault HV OFF LED is active in local and remote modes Inhibit LED If the Inhibit LED is illuminated it indicates the presence of an active inhibit signal and the supply will not deliver charging current after the HV ON button is pushed Inhibit is applied either via the rear panel mounted BNC connector or either inhibit input via the remote control connector Inhibit LED is active in local and remote modes END OF CHARGE LED The END OF CHARGE or EOC LED indicates that the load or output voltage has reached the programmed voltage EOC LED is active in local and remote modes Interlock Open LED The interlock open LED illuminates if the safety interlock circuit is not closed The power supply cannot be turned on if the interlock loop is open If the interlock loop is opened when the unit is running ie when HV in ON the unit will turn off with a latching fault requiring an HV ON OFF ON reset cycle before it can be restarted Interlock Open LED is
15. capacitor will slowly bleed down through the internal voltage divider resistors used for regulation feedback Use an external discharge wand to ensure the capacitor is fully discharged Test 2 indicates the HV section is working correctly Tests 1 and 2 generally indicate the unit is functioning as designed Although 100 power had not been generated these two tests give greater than 9096 confidence that the unit is not damaged If any inconsistency from the above test procedure is noted do not hesitate to call TDK Lambda Americas Customer Service for assistance Contacting TDK Lambda Americas Customer Service When contacting customer service locate the product description part number and serial number from the label located on the rear of the unit and have this information available Phone 732 922 9300 x 342 E mail hp service us tdk lambda com Fax 732 922 1441 Customer Service or an approved Service Center should be contacted if The power supply is mechanically or electrically damaged The power supply requires on site calibration or replacement warning decals The customer has questions about a special application that is not described in this manual Normally the customer may NOT open any chassis covers that have a warranty seal Breaking a seal will void the warranty At the discretion of TDK Lambda Americas the customer may be granted permission to break the warranty seal and open the chassis covers
16. il i 8 2412 eb rte a cedes t eae 8 Vrae 8 2 14 Front Panel a 8 2 15 Stability 8 2 16 8 2 otored ora a aea 8 2 18 Pulse to Pulse Repeatability 8 2 19 Dimensions inches 8 2 20 Weight IDS Kg 8 2 21 Ambient 8 2 22 ide unu 8 2 23 Humlidity eite 8 2 24 ree f aee e nets 8 2 25 Remote Control all 8 2 26 cont tat eto item eiae tee 8 2 27 OPUONS x rtt meno elim tee 9 2 28 Ordering Info 9 2 29 Ordering Examples e eee Ope PROPRE id 9 OUT 10 3 1 Visual 10 3 2 Electrical Inspection 10 3 3 Contacting TDK Lambda Americas Customer Service 11 3 4 Returning Defective Units 11 0
17. specify at time of ordering 1 39kV Models DS2124 Coaxial cable with proprietary HV connector 2 6 HV Output Cable 40 50kV Models DS2214 Coaxial cable with proprietary HV connector 2 7 HV Insulating Medium Exxon Mobil Univolt N61B or equivalent insulating oil 200 240 180 264 30 or380 440VAC 340 460 30 N 50 60Hz 2 8 AC Input Voltage Please specify at time of ordering 2 9 AC Input Current 20A 15A UL CSA approved terminal block 30 GND for 200 240VAC 30 2 10 AC Connector GND for 380 440VAC 2 11 AC Line Contactor UL CSA approved AC line contactor standard on 402L and 4025 option for 4020EM 2 12 Power Factor Passive pf 0 85 at full load and nominal AC line 2 13 Efficiency Better than 85 at full load 402L Voltage Control Voltage amp Current Meters Status Indicators 2 14 Front Panel 402S On Off Switch Status Indicators 402 OEM Blank front panel 2 15 Stability 0 296 per hour after 1 hour warmup 2 16 Temperature Coefficient 100ppm per typical 2 17 Stored Energy Less than 0 3J all models 2 18 Pulse to Pulse Repeatability 2 to 1000Hz consult factory for higher rep rates 2 19 Dimensions inches mm 19 483 W x 7 178 H x 17 432 D 2 20 Weight Ibs kg 65 30 2 21 Ambient Temperature Storage 40 to 85 C Operating 20 to 45 C 2 22 Altitude Storage 40 000ft 12 000m Operating
18. such as Dow Corning DC 4 must be applied to the HV cable before insertion into the HV connector The grease is used to displace air in the connector and reduce long term corona effects A cable greasing procedure is available for download from the TDK Lambda Americas web site The load ground must be connected to the chassis ground through a separate safety ground cable with a minimum wire size of 10 AWG in addition to the HV output cable shield see Figure 2 LOAD CIRCUIT Figure 2 Typical Load Circuit Connection Some peak current will flow out of the power supply during discharge and return through the HV return and system chassis This current comes from voltage reversal in underdamped systems and from normal discharge of filter and cable capacitance The path for this current should not parallel control signal returns since the resulting voltages could interfere with normal system operation 83487001 Revision Currents due to voltage reversal particularly at high repetition rates can damage the power supply Generally a resistor in series with the HV output can be added to limit this current to an acceptable level but an additional clamp diode may also be required Refer to Application Note 517 available from the factory or http www us tdk lambda com hp product html high volt htm for more detailed
19. 26553000 w20 0028 01000591 ira PH Jt INVERTER ASSY 003 OXXX d REFERENCE DESIGNATIONS SHEET fF _ SCHEMATIC 2 4021 208V AC 1064 EL 01 487 002 ait TUN she oa aS ag MD THIS IS A COMPUTER GENERATED DWG APPLICATION LTR E C O ES NO MANUAL REVISIONS ARE PERMITTED USED ON NEXT ASSY por 320 4 91 2m NOTE 20023900 402 0 LV AC 003 0273 5 91 SEE SHT 2 FOR 120 11W 2X 12 15 94 a 01023900 A2 CONTACTOR OPTION VNR BD MOUNTED OFF 6 25 97 CUS SEE SHT 3 FOR BOARD CIRCUIT BREAKER OPTION 003 0206 A6 HIGH VOLTAGE E20 J FOR 400VAC Al REAR PANEL ASSY 26 587 005 AS AUXILIARY BD 20 799 000 01 000 612 FAN ASSY 003 0272 2 VNR VNR A4 Pufu INVERTER ASSY 20 851 400 01 000 608 20 003 301 001 0219 COAX 2 1 V 2 p gt MN 5 INTLK 6 1 E1 9 REMOTE A7 FRONT PANEL BLANK 26 580 400 NOTES REFERENCE DESIGNATIONS HIGHEST NOT USED ECCE NL EE CHEN NEUE N WIRES W1 13 AND 14 ARE NOT USED ON OPTION 2 ONLY WIRE W11 IS USED ONLY ON OPTION 1 AND 2 2 SEE FAMILY T
20. 4 GND Pin 12 GND Pin 13 Charge current Figure 8 Remote Interface Connector and Signals 2 83487001 Revision F 6 OPERATING INSTRUCTIONS The 402 power supply is designed for operation in two modes The first mode is local where the power supply can be controlled from the front panel Local operation is only possible with the L model supply The second mode is remote where control signals are passed via the 25pin remote connector Remote operation is possible with all 402 model power supplies L S or OEM 6 1 gt Local Operation 402L only The model 402L has full front panel instrumentation and controls for use in laboratory prototype or OEM systems The front panel controls include power on off remote local and HV on off switches output voltage adjust view set switch digital voltage and current meters quick reference bar graphs and status indicators An internal AC contactor is included which is controlled by the front panel power switch and the interlock terminals located on the rear of the unit A BNC connector is provided on the rear panel for easily connecting a pulsed INHIBIT signal when operating from the front panel The model 402L can be operated as a master unit in parallel with several model 4028 or slave units for increased output power Refer to Section 6 4 Paralleling Units Before operating the power supply ensure a load capacitor is connected between the power supply ou
21. Confirm that there are no dents or scratches on the panel surfaces C Check front panel meters and LEDs for any broken or cracked lenses If any damage is found follow the instructions in Section 3 3 Electrical Inspection Before the power supply is installed in a system verify that no internal damage occurred during shipping A set of simple preliminary electrical test can be performed if desired These tests are described below NOTE The sequences described are for L model supplies with local controls for S and OEM models the corresponding signals must be applied and monitored through the remote control interface 3 2 1 Test 1 Purpose Verify general logic operation generate maximum output current and check overload protection circuits With AC power OFF and disconnected short the HV output by connecting the center conductor of the output cable to its return shield braid This dead short will allow the unit to generate full output current at zero voltage 1 Set the output voltage control to zero Connect AC power to the unit Turn ON the AC power front panel switch 2 Turn the front panel keyswitch to the LOCAL position if applicable Press the HV ON button and turn up the HV control until the power supply is generating output current into the dead short The current meter will indicate max current The voltage meter will read zero and the power supply will intermittently turn on and off indicating the overl
22. OPERATOR MANUAL FOR 402 Series High Voltage POWER SUPPLY Document 83 487 001 Rev F TDK LAMBDA AMERICAS 405 Essex Road Neptune NJ 07753 Tel 732 922 9300 Fax 732 922 9334 Web www us tdk lambda com hp Table of Contents GENERAL INFORMATION 4 1 1 User Manual Content sss 4 1 2 Introduction noe bia tree 4 1 3 402 OVetvIew ier RR RR epe ed 5 14 Capacitor Charging 5 1 5 Continuous DC 6 1 6 Additional 6 1 7 Safety Precautions tnn 6 1 8 Model Number 7 SPECIFICATION exec eua exc tuc Ra Dex 8 2 1 Average Charging Power 8 2 2 Peak Charging tenerent tenen nnne nnt nnne 8 2 3 DG 8 2 4 Output Voltage 2 00 nnne tnn 8 2 9 re etn Put 8 2 6 HV Qutput e ed eee iens 8 2 7 MW Insulating 8 2 0 AC Input Voltage orte dee eere ta eR a ae 8 2 9 AG Input Current REM etat 8 2 0 AC COnneCltor item tet elei tee t E et ean 8 2 T AC Contactor us o oi e e e eie
23. Operation 402 24 6 2 Remote Operation All 25 6 3 Remote Control 4 28 6 4 Parallel Operation indie ei diets 29 22i ea tine ea ia ct nu a Eug eoe enge ELE 34 2 83487001 Revision F List of Figures Figure 1 AC Input Terminal Block oec enne cedet ctun unus 13 Figure 2 Typical Load Circuit 52 lt lt 25 lt lt lt lt lt 2 14 Figure 3 4021 Front Panel Controls and Indicators casei ceccccsccacccesceoscceseeceeees 16 Figure 4 Front Panel Controls and Indicators S 19 Figure 5 402L Rear Panel Connections Duo eee eae 20 Figure 6 4025 Rear Panel eic id Ede 22 Figure 7 402 OEM Rear Parlel use ete 22 Figure 8 Remote Interface Connector and Signals sse 23 Figure 9 Suggested external remote interface circuit 26 Figure 10 Typical remote Interface 29 Figure 11 402L Parallel System Control
24. REE 004 0018 sen ard W1 11 14 17 MTL REL TO MFG ENG CTL NC SENE eee E ensure Xue SCHEMATIC 402 N A SCALE 4 12 15 94 um VAM 9 OWG NO REV N A ed sca 12 15 94 01 487 003 THIS 15 A COMPUTER GENERATED DWG APPLICATION E C O NO NO MANUAL REVISIONS ARE PERMITTED USED ON NEXT ASSY 1 CONTACTOR A2 VNR BD MOUNTED OFF 003 0206 _ BOARD __ 01 000 609 ii CRI hs ETE 1 M 1 Ta 1 laci eer mes A1 REAR PANEL ASSY 26 587 005 9 Pe A5 FAN ASSY 5 AUXILIARY 003 0272 20 799 000 d H 01 000 612 MI v ME mr OPTION 1 402 OEM VERSION WITH CONTACTOR J2 P15 P9 sur or ENG CIL PAJ DATE DATE Ba ELECTRONIC i TURCOTTE 7 90 my MEASUREMENTS INC CHK DATE as SCHEMATIC 402 200V AC SYSTEM WG NO APP DATE 01 487 003 1 THIS 15 COMPUTER GENERATEO DWG NO MANUAL REVISIONS ARE PERMITTED APPLICATION LTR C 0 NO BY APP USED ON NEXT ASSY ary SEE SHEET 1
25. active in local and remote modes Load Fault LED The load fault LED indicates the presence of a fault in the load circuit due to a short circuit large external capacitor or an output Overvoltage An output Overvoltage condition will cause a latching fault requiring an HV ON OFF ON reset cycle before it can be restarted Load Fault LED is active in local and remote modes 17 83487001 Revision F 5 4 5 5 5 6 5 7 5 8 5 9 5 10 5 11 5 3 7 Overtemp LED The overtemp LED indicates an inverter overtemperature condition internal to the supply The temp fault will clear once the temperature is below the fault threshold but the unit will not restart without a reset cycle Overtemp LED is active in local and remote modes Local Voltage Set Ref 3 The local voltage set control is an analog 10 turn potentiometer for adjusting the output voltage from zero to full rated output This control will only operate in local mode If the supply is operated in remote mode the local voltage set control has no effect Voltage bar graph Ref 4 The voltage bar graph is a quick view analog percentage indication of the voltage measured at the power supply output Bar graph is active in local and remote modes Voltage Display Ref 5 The Voltage Display is a 4 digit LED indicator showing the voltage measured at the power supply output This display momentarily shows the output program voltage after the View Set button is depr
26. and beyond in parallel systems For more information please visit our web site at http www us tdk lambda com hp product html high volt htm NOTE This manual contains information instructions and diagrams which apply to standard constructions If special features or modifications have been installed the instructions specific to that modification are contained in Addena and take precedence if conflicts exist Please take care to refer to the correct information for your unit Introduction TDK Lambda Americas ALE model 402 are state of the art switch mode high voltage power supplies designed to rapidly and efficiently charge capacitors in laser systems modulators pulse forming networks and a broad range of pulse generator circuits without the need for a series current limiting resistor They can also be used in many continuous DC applications including beam power for RF devices such as magnetrons gyrotrons klystrons and electron beam loads The 402 series utilize a high frequency IGBT based series resonant inverter topology which operates as a constant current source This makes the supply perfect for rapidly charging capacitors which represent a challenging load for conventional HV DC supplies using multiplier designs The 402 series is available with a choice of three different front panel configurations designed to suit different applications and end uses models feature the same comprehensive remote control inter
27. and features no indicators or switches 5 15 Rear Panel Layout L Models All of the interconnect and HV connections for the 402L are located on the power supply rear panel Figure 5 shows the rear panel layout and location of the various connectors 19 83487001 Revision F Figure 5 4021 Rear Panel Connections REF DESCRIPTION NOTE SECTION 1 HV Output HV Output connector mates with supplied cable via proprietary 5 15 1 connector 2 Cooling fan Main AC cooling fan Leave 4 clearance 5 15 2 25pin male sub D type plug for control of slave supplies in a parallel system AMPHENOL 17BDFRA25P pum 25pin sub D type receptacle for remote control of supply in remote 4 Remote Interface ode AMPHENOL 17BDFRA25S 5 GND stud 10 32 UNC ground stud 5 15 5 6 GND stud M5 ground stud 2 positions 5 15 6 7 Inhibit input BNC input to allow inhibit of output current 5 15 7 8 AC Input 5 position terminal block for AC input power 5 15 8 Terminal for connection to interlock circuit Contacts are isolated from 9 Interlock 5 15 9 ground and require dry contact closure for supply to operate The function of each item in Tabl
28. being improved and expanded so always check for the latest revision on line APP Note 500 Calculating Capacitor Charge Time APP Note 502 Calculating AC Line Currents APP Note 505 Charging units as Continuous Output DC Supplies APP Note 507 Charging Large Load Capacitors APP Note 509 What is Regulation and Repeatability APP Note 513 Power Factor Correction APP Note 517 Protection Against Voltage Reversal If there are any other application issues or questions that are not covered in these Application Notes or elsewhere in this manual please do not hesitate to contact the factory and our team of experienced HV application engineers Contact the Factory We are here to help Tel 1 732 922 9300 x229 Fax 1 732 922 1441 83487001 Revision THIS 15 A COMPUTER GENERATED NO MANUAL REVISIONS ARE PERMITTED ol 0058 00 p w27 V INHIBIT 5 SLAVE PIO w2 REMOTE 0002 A3 CONTROL BD 20 003 909 001 0219 ASS 20003400 SCH 01003590 21 692 000 PATCH BOARD A7 FRONT PANEL ASSY 003 0225 usen ow 00 INIM RELEASE 7 6 94 SAGE 16 3 RE 10 18 95 plo o T el al CONTACTOR Az 20023900 VNR BD q 01023900 03 6208 w w21 0018 22 oes HV OUTPUT HIGH VOLTAGE 2 AIR ASSY 15009F 1500uF 0068 A g 9 20 nb
29. ch of the SLAVE supplies To Optional Controller Figure 12 4021 and 402S OEM Parallel System control Connections 31 83487001 Revision F 6 4 3 Parallel system comprising 402S OEM supplies A system comprising only model 402S OEM supplies must be operated from an external control system The control system should be connected using a pin to pin ribbon or other cable that is daisy chained to the REMOTE connector on each of the 402S OEM supplies in the system A sketch is shown in Figure 13 To System Controller
30. ching the AC power off and switching it on again 1 7 1 1 7 2 1 7 3 1 7 4 1 7 5 This product is designed for Indoor use This product is designed for pollution degree 2 This product is designed for Transient Overvoltage Category Il Ensure all covers are in place and securely fastened before switching ON the AC power Proper grounding from the input AC power is required to reduce the risk of electric shock Ensure that the AC Protective Earth Ground connection has at least the same gauge wire as the supply leads shown in Table 2 6 83487001 Revision F 1 8 1 7 6 1 7 7 1 7 8 1 7 9 1 7 10 1 7 11 1 7 12 Use extreme caution when connecting AC input power and never apply the incorrect input voltage refer to ratings label Use extreme caution when connecting the high voltage output cable to the load Ensure all load capacitors are completely discharged prior to connection Never handle the output cable when the power supply is operating Never attempt to operate the power supply in any manner not described in this manual Never remove DANGER and WARNING labels from the power supply Replace lost or damaged labels immediately The power supply should only be serviced by factory authorized personnel No user maintenance is required Model Number Format The model numbering system for the 402 Series power supply includes symbols for features and options They are separated by dashes
31. e 5 is described in the following sections Table 5 402L Rear panel Functions 5 15 1 HV Output Connector Ref 1 Connector socket for mating HV cable supplied with unit The connector should be kept clean and free from debris at all times If supply is operated at 20kV or 200Hz rep rate or above the cable should be greased to ensure corona free operation The cable connector should only be hand tightened never use a wrench or apply excessive force 5 15 2 Cooling Fan Ref 2 Allow at least 4 inches of clearance and do not obstruct clear air flow around the fan Air is pulled into the unit by the fan and exhausts at the front of the side panels 2 83487001 Revision 5 16 5 15 3 5 15 4 5 15 5 5 15 6 5 15 7 5 15 8 5 15 9 Slave Connector Ref 3 A 25 pin D sub female connector that allows connection to a slave supply for increased power operation Remote Connector Ref 4 A 25 pin D sub male connector that allows remote operation and monitoring of all power supply functions when the unit is operated in REMOTE mode Safety Ground Ref 5 10 32UNC threaded safety ground stud installed in HV tank Should be used for additional safety ground cable between supply and load circuit Safety Ground Ref 6 M5 threaded safety ground stud installed in HV tank Should be used for additional safety ground cable between supply and load circuit INHIBIT BNC Ref 7 The inhibit BNC inp
32. eration Ensure these clearances are met for adequate air flow 4inches 10 cm rear e 1 inch 2 5 cm on each side Cooling air enters through the rear of the unit and is forced out of the side panels This power supply should not be operated with its cover removed since the cover directs the flow from the internal fan When operating in an enclosed system care must be taken to ensure the ambient inlet air to the power supply does not exceed the maximum operating temperature of 45 C This may require addition of a system heat exchanger 4 3 Orientation The power supply must be operated in a level horizontal orientation More than a quarter of an inch 6 25mm difference in height in any direction could potentially cause an arcing condition in the high voltage tank and should be avoided 4 4 AC Power Connection For 200 240VAC models the maximum voltage allowed between any two AC input terminals is 264 For 380 440VAC models the maximum voltage allowed between any two AC input terminals is 460VAC If this voltage is exceeded catastrophic damage will result that is not covered by TDK Lambda Americas standard warranty The customer s AC power line connects to the 402 via a UL CSA approved 5 position terminal block on the rear panel of the unit see Figure 1 Only use a power cable with the correct voltage and current rating see Table 2 The ground wire must be equal to or larger than the recommended gauge Secure
33. essed Voltage Display is active in local and remote modes HV OFF Push Button Ref 6 The HV OFF push button is a momentary switch that when depressed turns off HV output If the power supply shuts off with a summary fault indicated by HV ON and HV OFF LEDs both illuminated then this condition can be reset by pushing the HV OFF HV ON HV OFF button sequence If the supply is operated in remote mode the HV OFF push button will still function Off Local Remote Keyswitch Ref 7 DO NOT MOVE THE KEYSWITCH POSITION FROM OFF TO LOCAL OR REMOTE UNLESS A SUITABLE CAPACITIVE LOAD IS CONNECTED TO THE POWER SUPPLY S OUTPUT CABLE AND THE LOAD IS CORRECTLY GROUNDED The Off Local Remote Keyswitch switches the 402L power supply operating modes between OFF LOCAL and REMOTE The key can be removed in the OFF position to prevent unauthorized use If the switch is in the LOCAL position the supply will operate from the front panel In the remote position the supply can only be operated via the remote control interface An L model supply can simulate an S or OEM model with the key in the remote position View set push button Ref 8 The view set push button changes the reading on the digital voltage display from the power supply output voltage to the programmed voltage set on the local voltage set potentiometer After pushing this button the set voltage is displayed for approximately 3 seconds Current bar graph Ref 9 The current bar graph
34. f 19 Summary Fault O Open collector through 1000 Low impedance indicated a summary fault condition LED Summary fault is a logical or of Overvoltage Overtemp AC Line and Open Interlock conditions 20 Inhibit Input OV Inhibits unit 15V or open allows operation Input impedance gt 10 22 Vprogram 0 10V 0 100 of rated output voltage Input impedance gt 1 If the 5V option is installed the voltage level is 0 5V 23 HV OFF LED O Open collector through 1000 Low impedance when HV output is off disabled 24 GND Control circuit return Also chassis earth ground Table 6 402 Remote Interface Description 25 aaassssssssi 83487001 Revision 5 15V 0 Full Scale 0 ON OFF Inhibit Inhibit Analog Out HV On Off 15 2 2 Vprogram 0 10Volts Peak Volts 1mA meter Charging Current GND GND Inhibit LED End Of Charge LED Overtemp LED Summary Fault LED 12V Interlock Open LED HV OFF LED HV ON LED Load Fault LED Figure 9 Suggested external remote interface circuit A detailed description of each remote control signal is given in the following sub sections 6 2 1 Analog Out Pin 1 Analog of output voltage waveform as measured at the output terminals of the power supply Signal is 0 10V 190 0 5V if 5V option installed 6 2 2 Inhibit LED Pin 3 Open collector Active Low output indicating presence of an external Inhibit sig
35. f the power supply was purchased with the 400VAC input configuration in addition to the three phases the neutral wire must be connected to terminal marked N Failure to connect the Neutral wire in a 400VAC unit may result in damage to the supply AC INPUT VOLTAGE MODE CABLE 200 240VAC Cap Charging 6mm 10 AWG 600V 180 264VAC 50 60 Hz 3 Continuous DC 6mm 10 AWG 600V 380 440VAC Cap Charging 6mm 10 AWG 600V 340 460VAC 50 60 Hz 3 Continuous DC 6mm 10 AWG 600V Table 2 Recommended AC Input Cable 83487001 Revision 4 5 The AC input rating is marked on the rear terminal of the power supply The rating is also part of the unit s model description shown in Table 1 Connecting the High Voltage Output Ensure that the power supply is off and disconnected from the AC input power and that all load capacitors are discharged and shorted to ground before making any connections Never handle the HV cable while the supply is operating Never operate the supply without a load capacitor connected Before connecting the HV output cable inspect the cable and check for signs of damage Always use the HV connector and cable provided with the power supply or an equivalent substitute provided by TDK Lambda Americas Fully insert the connector end of the HV cable and tighten the locking nut only hand tight When operating above 20kV or 200Hz rep rate silicone grease
36. face which is detailed in Section 6 2 The 402L Model is fully instrumented with front panel meters displaying output voltage and current status LEDs a key switch for OFF LOCAL or REMOTE operation HV ON OFF push button switches and a 10 Turn output voltage control The rear panel features external interlock inhibit remote control and slave parallel operation control connections The 402S Model can only be operated by remote control and features only status LEDs and a power switch on the front panel The S Models have been designed to operate as a slave unit to the L Models or in systems where local control is not a requirement As many 402 supplies as required can be connected in parallel to provide greater output power The 402OEM features a blank aluminum front panel and can only be operated by remote control 4 83487001 Revision F 1 3 1 4 402 Overview 1 3 1 1 3 2 1 3 3 Features 4kJ sec capacitor charging power 4kW in continuous DC applications e Output voltages from 0 1 to 0 50kV e Rep rates from single shot to kilohertz e Local or remote operation Model with comprehensive control interface e Cost effective blank front panel version for OEM applications e Constant current topology for rapid efficient charging e Parallel operation master slave for high power applications e Compact Air Cooled design e Passive Power Factor Correction reduces RMS current draw Benefits e Ligh
37. grounding of the input AC power is required to reduce the risk of electric shock The metal chassis of the power supply is grounded through the earth wire at the input AC power terminal block Use extreme caution when connecting input AC power and never apply the incorrect input power 12 83487001 Revision F An external switch or circuit breaker with the following parameters must be used as means of disconnection a Rated voltage not ess than maximum rated voltage of the power supply b Rated current not less than 15096 of the power supply rated current The switch or cirucuit breaker must be located in proximity to the power supply and within easy access of the operator The switch or circuit breaker must be marked as disconnecting device for the equipment The Protective Earth Ground must be connected before applying AC Line Power to the 402 Connect the three lines of the input power to the L1 L2 L3 terminals and the earth ground to the terminal marked with the ground symbol No neutral connection is required for the 200 240VAC configuration For models with the 380 440VAC input configuration 340 46 the neutral wire must be connected to terminal marked The power connections are not phase rotation sensitive so any phase can be connected to any of the AC inputs eoo 2 180 264V 20A 50 60 Hz L1 L2 13 e Figure 1 AC Input Terminal Block I
38. he slave supplies will also display the voltage and current only for that specific unit To Optional Controller Figure 11 402L Parallel System Control Connections 30 _ 83487001 Revision F 6 4 2 Parallel system comprising both 4021 4025 or OEM supplies For a system comprising both 402L and S OEM units a single L model should be operated as a master in either local or remote mode The other parallel supplies can be connected to the SLAVE 25 pin D sub connector on the master unit rear panel refer to Figure 12 The SLAVE control cable can be a pin to pin ribbon or other cable that is daisy chained to the REMOTE connector on ea
39. information Dress the high voltage cable to create a gentle curve ensuring there are no sharp bends as this will tend to reduce the cable s insulation strength Strain relieve the load end of the high voltage cable to prevent breaking of or damage to the center conductor Keep the HV cables as distant as possible from the input power and the control signals To connect the HV cable to the load it is necessary to remove the cable jacket shield and any semiconducting layer if applicable that remains on the cable insulation after removing the shield The cable outer jacket should be removed to reveal the cable shield At least 12 or 300mm of outer jacket should be removed for suitable voltage hold off The exposed shield should be trimmed to an appropriate length and terminated with a ground connection For models shipped with DS2214 HV cable gt 40kV rated voltage after the shield is removed the black semiconducting layer is exposed This layer should be very carefully removed using a sharp craft knife and a peeling action Once the semiconducting layer is removed the exposed EPR insulation should be cleaned with IPA or an equivalent solvent If any of the semiconducting layer remains on the HV cable insulation it may cause the cable termination to fail For models shipped with the 052124 HV cable 40kV rated voltage there is no semiconducting layer to be removed from the cable insulation however the exposed polythene cable insulat
40. ion should be cleaned with IPA 83487001 Revision 5 CONTROLS INDICATORS CONNECTORS 5 1 Front Panel Layout L Model The 402L series power supply is equipped with a fully instrumented front panel featuring output voltage control voltage and current metering and comprehensive status LEDs along with local remote mode keyswitch and power on switch The 402L can be operated locally from the front panel or remotely via the control connector located on the rear panel see Section 6 2 Front panel layout of the 402L power supply is shown in Figure 3 below status f VOLTAGE HV ON Hv ON work MODEL 4021 ems 3 END OF CHARGE HVOFF 7 INTERLOCK OFEN LOAD FAULT OVERTEMP CURRENT CONTROL OFF VIEW SET Figure 3 402L Front Panel Controls and Indicators REF DESCRIPTION NOTE SECTION 1 HV ON Push Button Turns on HV output 5 2 2 Status LEDs Indicates status of supply and presence of any faults 5 3 3 Local Voltage Set 10 turn pot for setting output voltage in local mode 5 4 4 Voltage bar graph Analog bar graph showing output voltage 5 5 5 Voltage Display Digital display of output or set voltage 5 6 6 HV OFF Push Button Turn off HV output 5 7 7 Off Local Remote Key Switches contr
41. is a quick view analog percentage indication of the average current delivered by the supply Bar graph is active in local and remote modes Current Display Ref 10 The Current Display is a 4 digit LED indicator showing the average current delivered by the power supply output Current display is active in local and remote modes 83487001 Revision 5 12 Power switch Ref 11 The power switch connects AC input power to the control circuitry and causes the internal AC contactor to close if the interlock loop is closed 5 13 Front Panel Layout S Model The 4025 series power supply is equipped with a partially instrumented front panel featuring status LEDs and a power on switch The 4025 can only be operated remotely via the control connector located on the rear panel see Section 6 2 status Won D MODEL 402L L wore ud ale ems INHIBIT END OF CHARGE OPEN LOAD FAULT 1 OVERTEMP TDK Lambda Figure 4 Front Panel Controls and Indicators S Model REF DESCRIPTION NOTE SECTION 2 Status LEDs Indicates status of supply and presence of any faults 5 3 11 Power switch Turns on off power to auxiliary circuits Table 4 Front Panel Controls and Indicators S Model A description of the function of the LEDs and the power switch are given in sections 5 3 and 5 12 respectively 5 14 Front Panel Layout OEM Model The 4020EM front panel is completely blank
42. l filter capacitance required App Note 505 can be found at http www us tdk lambda com hp pdfs application 20notes 93008505rC pdf Consult the factory before connecting parallel units in continuous DC applications Additional Features Internal contactor and fuses for AC disconnect and protection Standard AC power and control connectors Documentation Manual Including Installation check out suggested remote interfaces and control circuits 10 ft 3m Output cable is standard other lengths are optional Safety Precautions All 402 power supplies are designed to minimize the risk of fire or shock hazard This instrument received comprehensive mechanical and electrical inspection prior to shipment Nevertheless certain safety precautions must be observed Only TECHNICALLY QUALIFIED SERVICE PERSONNEL familiar with the principles of electrical safety should operate this supply The power supply SHOULD NOT BE EXPOSED TO WATER OR MOISTURE OR DUSTY ENVIRONMENTS Electrical safety must be maintained at all times Lethal voltages are developed within the power supply s enclosure and at the output cable Therefore the cover may not be removed by the user see Warranty in preamble section for variance Also the large capacitors in the supply may store power even after the AC input line is removed ALLOW AT LEAST 40 SECONDS DISCHARGE TIME between removing the AC input line and opening the cover ALSO ALLOW AT LEAST 40 SECONDS between swit
43. lows operation User should control supply with either the Inhibit or Not Inhibit signal both signals should not be used together Input impedance gt 10 Vprogram Pin 22 0 10V Analog Input 0 100 of rated output voltage 0 5V if 5V option is installed Input impedance gt 1 HV Off LED Pin 23 Open collector Active Low output indicating HV output is off disabled Max rated voltage 60V 1000 series resistance Ground Pin 24 Control circuit return Also chassis earth ground Remote Control Sequence Note The logic levels in the description below are for a supply without EN option If EN is installed the logic levels for HV ON OFF should be reversed Before operating either a 402L S or OEM in remote mode it must first be connected to a master supply or an appropriate external control system To operate a model 402L in remote mode the front panel keyswitch must be in the REMOTE position is suggested that the INHIBIT signal is used in addition HV ON OFF signal to control the output current of the power supply during the normal charge discharge cycle The INHIBIT signal should be asserted Pin 7 5 15 prior to activating the HV ON signal Once HV ON has been set Pin 8 15V then INHIBIT can be removed Pin 7 0 and the supply will begin charging the load A few tens of microseconds before the load switch is triggered to close the INHIBIT signal should be asserted to turn off the output current and aid in
44. maximum current is 20mA Overtemp LED Pin 16 Open collector Active Low output indicating an inverter overtemperature condition has occurred Once temperature has returned to normal levels this fault will clear but the power supply will not restart without a Reset Cycle Max rated voltage 60V 1000 series resistance Interlock LED Pin 17 Open collector Active Low output indicating the external interlock circuit is open Max rated voltage 60V 1000 series resistance Load Fault LED Pin 18 Open collector Active Low output indicating a load fault condition Load fault is a non latching fault and will self reset after approximately 500ms for models without LP option Load fault is caused by an output overvoltage condition 11096 of rated voltage or an output short circuit large capacitor load charges for 500ms without reaching programmed voltage Max rated voltage 60V 1000 series resistance 27 83487001 6 3 6 2 14 6 2 15 6 2 16 6 2 17 6 2 18 Summary Fault LED Pin 19 Open collector Active Low output indicating a summary fault condition Summary fault is a logical OR of Overvoltage Overtemp AC Line and Open Interlock conditions Summary Fault is also indicated by both HV ON and HV OFF LEDs indicators illuminating at the same time Max rated voltage 60V 1000 series resistance Not Inhibit Input Pin 20 Logical Inverse of Inhibit input Pin 7 OV Inhibits unit 15V or open al
45. nal Max rated voltage 60V 1000 series resistance 26 lt _ lt ai 83487001 Revision F 6 2 3 6 2 4 6 2 5 6 2 6 6 2 7 6 2 8 6 2 9 6 2 10 6 2 11 6 2 12 6 2 13 End Of Charge EOC LED Pin 5 Open collector Active Low output indicating power supply output voltage has reached the programmed voltage or end of charge cycle Max rated voltage 60V 1000 series resistance Inhibit Input Pin 7 5 15V Inhibits unit shuts off output current open or ground allows operation Input impedance gt 10 Signal can be used to aid load switch recovery HV ON OFF Pin 8 15 HV ON ground or open HV OFF Also used to reset latching faults by cycling from ON to OFF Input impedance gt 1 If EN option is installed 15 OFF Open or Ground ON Peak Output Volts Pin 9 Peak detector of Analog output voltage waveform Can be used to drive a meter displaying peak charging voltage Signal is 0 10V 1 0 5V if 5V option installed HV ON LED Pin 10 Open collector Active Low output indicating power supply output is ON Enabled Max rated voltage 60V 1000 series resistance If both the HV ON and HV OFF signals are both active at the same time this indicates a Summary Fault Ground Pin 12 Control circuit return Also chassis earth ground Charge current Pin 13 Analog of output current waveform Signal is not calibrated 15V Output Pin 14 15V through 100Q
46. o Table 5 21 83487001 Revision F Figure 6 4025 Rear Panel 5 17 Rear Panel Layout OEM Models The 402OEM rear panel is similar to the 402S except there is no interlock terminal unless the CT option is installed If a number of units are to be connected in parallel a daisy chain type ribbon cable should be used to connect the supplies together See section 6 4 for more details Note The numbers in Figure 7 refer to Table 5 Figure 7 402OEM Rear Panel 22 83487001 Revision F 5 18 REMOTE CONTROL CONNECTOR PIN DIAGRAM Figure 8 shows a summary of the remote control signals on the connector labeled 4 in Figure 5 through 8 The connector is a 25 pin sub D type receptacle female Pin 1 Analog Out Pin 14 15 Pin 3 Inhibit LED Pin 16 Overtemp LED Pin 17 Interlock LED Pin 5 End of Charge LED Pin 18 Load fault LED Pin 19 Summary fault LED Pin 7 Inhibit Input Pin 20 Inhibit Input Pin 8 HV On Off Pin 9 Peak output volts Pin 22 Vprogram input Pin 10 HV On LED Pin 23 HV Off LED Pin 2
47. oad condition The unit should continue to indefinitely cycle in this mode with a 1 second period The power supply will go into overload when max current is drawn for more than half a second 3 Turn off the HV and AC power switches This test indicates the inverter section is generating maximum current and the logic and overload circuitry works correctly 3 2 2 Test2 Purpose Verify that the power supply generates maximum rated voltage and the regulation and feedback circuits are functioning 1 With AC power OFF and disconnected connect an appropriate load capacitor to the power supply output cable Select the capacitor size so the charge time is several milliseconds or more 2 Prepare to charge the capacitor NOTE Operating a 402 power supply into an open circuit no load operation will instantly damage the power supply s HV output diodes Make sure the load capacitor is connected and the HV output cable is securely inserted and connected 83487001 Revision 3 3 3 4 3 Turn the voltage control on the front panel all the way down to zero counter clockwise apply AC power and press the HV ON button By turning up the HV control knob the capacitor will charge to the voltage indicated on the front panel voltmeter The power supply may be turned all the way up to its max output voltage provided the load capacitor is sufficiently rated 4 Byturning the voltage control down or depressing the HV OFF button the
48. ol between remote local and off modes 5 8 8 View set push button Push to view the output voltage set point in local mode 5 9 9 Current bar graph Analog bar graph showing average output current 5 10 10 Current Display Digital display of average output current 5 11 11 Power switch Turns on off power to auxiliary circuits 5 12 Table 3 Front Panel Controls and Indicator Functions L Model The front panel controls indicators are described in detail in the following sections 83487001 Revision F 5 2 5 3 HV ON Push Button Ref 1 DO NOT DEPRESS THE HV ON PUSH BUTTON UNLESS A SUITABLE LOAD IS CONNECTED TO THE POWER SUPPLY S OUTPUT CABLE AND THE LOAD IS CORRECTLY GROUNDED The HV On push button is a momentary switch that when depressed turns on HV output in local mode keyswitch in local position only if there are no faults present within the supply If faults are present when the HV On button is pushed the supply will not turn on and both the HV ON and HV Off LEDs will illuminate When both the HV On and HV Off LEDS are illuminated together this indicates a Summary Fault If the keyswitch is in the remote position the HV ON push button has no function Status LEDs Ref 2 There are 6 status LEDs on the front panel indicating the state of the HV Output circuit and various fault detection circuits in the control system 5 3 1 5 3 2 5 3 3 5 3 4 5 3 5 5 3 6 HV ON
49. own the output current in approximately 15microseconds To turn OFF the power supply depress the HV OFF button or use the Inhibit input to shut off the output current but leave the supply in the HV ON condition Opening the interlock terminals will also cause the power supply to turn off In this case the unit can only be turned back on after the interlock has been closed and the HAV ON button depressed followed by the HV OFF button to RESET the fault Any other fault occurring in the internal protection circuitry will interrupt the power supply s operation causing it to turn OFF For a full explanation of each control and indicator refer to Section 5 2 83487001 Revision 6 2 Remote Operation models All 402 models are easily controlled through the 25 pin sub D type remote interface connector located on the rear panel The minimum required signals for remote control operation are HV ON OFF Vprogram and GND The remaining signals are provided for status monitoring and fault diagnosis or more sophisticated control methodologies The function each signal is shown in Table 6 with a schematic showing a suggested remote interface circuit shown in Figure 9Error Reference source not found Pin Signal Name l O Description 1 Analog Out 0 10V 196 Analog of output voltage waveform Impedance 1 If the 5V option is installed the voltage level is 0 5V Inhibit LED O
50. switch recovery After the load is discharged and the HV switch has recovered to an insulating state INHIBIT can be removed and the load re charged A typical set of remote control waveforms illustrating this sequence is shown in Figure 10 There is no need to turn HV ON and OFF during the normal charge discharge cycle just use the INHIBIT signal to control the power supply HV should be turned off Pin 820V as soon as the load circuit is no longer required to operate 2 83487001 Revision F 6 4 15V HV MEM MEE ON OFF m Hebe dcbet aaa aaa Lia La Eae Ea ea ov ns 3 bete bets ij reete eee Led OV Figure 10 Typical remote Interface waveforms The 402 supply can also be controlled without using the Inhibit signal leaving Pin 7or 20 unconnected and in this case the output current is immediately turned ON when the HV ON signal is activated assuming there are no faults present Parallel Operation The 402 series capacitor charging power supplies are constant current sources and can simply be connected in parallel for applications requiring increased power Parallel supplies should have the same output voltage rating and programming options if one unit has the 5V option all others in parallel must have this option Note that it is also possible to operate power supplies in parallel from different series ie a model 402 in parallel with a model 802 b
51. t panel controls and indicator signals are available at the rear panel remote control connector regardless which panel option L S or OEM is selected The unit is self contained requiring only AC power and appropriate controls Several units may be connected in parallel for higher power operation There is no theoretical limit to the number of units that may be paralleled Typically one master unit and one or more slave or OEM units may be used to obtain as much output power as necessary The 402 is also ideally suited to charge reservoir capacitors in resonant charging circuits where high rep rates several kilohertz are required such as in metal vapor lasers or solid state modulators 5 83487001 Revision F 1 5 1 6 1 7 Continuous DC Operation Although the 402 series has been designed for capacitor charging applications they can also be used as a continuous DC High Power Source for RF tubes such as klystrons TWTs or other DC loads such as DC DC converters The DC option must be specified when ordering and the supply will be factory setup and tested with a continuous DC load When 402 supplies are operated in continuous DC applications it is often necessary to add an external capacitor between the load and ground to improve the ripple performance of the unit Our online Application Note 505 describes operating capacitor charging supplies in DC applications and gives guidance in determining the size of any additional externa
52. tput and the other terminal of the capacitor is connected to ground or the appropriate point in the load circuit Failure to correctly connect a capacitive load prior to operating the power supply may result in damage HIGH VOLTAGES MAY POTENTIALLY EXIST FROM THIS POINT FORWARD The power supply should be connected to 3 phase AC power as described in section 4 4 The interlock terminals should be closed either with the supplied shorting link or by an isolated external dry contact Follow the steps below 1 Ensure the output voltage potentiometer is turned fully counter clockwise 2 Turn on the AC power switch the cooling fan should start and the front panel indicators will illuminate 3 Turn the control key to the local position 4 Push the View Set button and turn the Voltage potentiometer until the required load voltage is displayed The view set mode stays active for approximately 3 seconds before the voltage display reverts to the output voltage mode 5 Push the HV ON button The load will charge to the preset voltage and once this voltage is reached the End of Charge LED will illuminate The supply will maintain this voltage until the HV OFF button is pushed or the load capacitor is discharged via the HV switch After the load has been discharged the external Inhibit function can be used to shut down the power supply output current which aids in the HV switch recovery Application of an inhibit signal will typically shut d
53. tweight switchmode design e Rack mount chassis configuration e Low stored energy provides greater safety e Constant current design requires no lossy current limit resistance e Immunity to external EMI Applications e Charging capacitors and capacitor banks e Powering pulse forming networks modulators e Powering lasers Excimer flashlamp pumped dye Yag etc e Continuous power for RF tubes magnetron gyrotron TWT klystron etc e Electron beam applications e DC power source for pulsed hard tube and solid state modulators Capacitor Charging Technology Capacitor charging applications require a power supply designed specifically for the task The 402 series supplies allow capacitors to be charged in pulse forming networks and modulators in a very fast efficient and controllable manner The units are compact high power constant current sources that can linearly and rapidly charge a capacitive load to high voltage Once the load capacitor is charged to the programmed voltage the supply will switch over to a voltage regulation mode and maintain the load voltage at the programmed level until the load is discharged The flexible design of the 402 allows the unit to be ordered with L model or without S and OEM model the front panel controls and meters Front panel controls are ideal in applications where local control and read backs are necessary such as R amp D laboratory use and diagnostics All fron
54. ut is a standard BNC socket that allows an external connection to a pulse generator or control system and gives the user control of the power supply output current A logic 1 10 15V input will inhibit the supply shuts off the output current and a logic 0 ground or open allows the supply to operate AC Input Terminal Ref 8 Main AC input power terminal block see section 4 4 for further details For 200 240VAC connect three phases and ground For 380 440VAC option connect three phases Neutral and Ground AC input is not phase rotation sensitive Interlock Terminal strip Ref 9 Provides an external dry contact connection for the customer to allow interlock functions to be controlled The interlock terminals should be connected to any safety interlock circuitry in the power supply installation When the interlock is open the AC line contactor disconnects the AC line from the power circuitry The power supply is shipped with a factory installed shorting link across the interlock terminals NOTE The Interlock terminals are chassis referenced 24VAC circuits and should never be connected to ground Rear Panel Layout S Models The 4025 rear panel is similar to the 402L except these is no SLAVE or INHIBIT BNC connector If a number of units are to be connected in parallel a daisy chain type ribbon cable should be used to connect the supplies together See section 6 4 for more details Note The numbers in Figure 6 refer t
55. ut the user has to ensure the remote interface connections are compatible To operate more than one unit in parallel all that is required is a parallel control cable and to connect the HV output cables together at the load The output currents from the parallel supplies simply add together to increase the overall system current Any model 402 supply or any combination of units can be operated in parallel If at least one model 402L is connected in a parallel system then the system can be operated without an external controller by using the 402L as a master supply in local mode PA 83487001 Revision F If status voltage and current displays measurements are required individually for each supply in a parallel system then the daisy chain control cable is not appropriate and each unit must be individually connected to a remote control system 6 4 1 Parallel system comprising 402L supplies If all of the parallel units are L model supplies then one unit should be operated as the master supply in either local or remote mode The other parallel supplies can be connected to the SLAVE 25 pin D sub connector on the master unit rear panel refer to Figure 11 The SLAVE control cable can be a pin to pin ribbon or other cable that is daisy chained to the REMOTE connector on each of the SLAVE supplies Note The master 402L supply in a parallel system only displays the status voltage and current output for that unit not for the entire system T
Download Pdf Manuals
Related Search