Fluke pmn Power Supply User Manual
Contents
1. like i JE Hi 5 560 14122 1 nil U 1 Ss 3 750 146 051 a 3 7 062 179 37 Figure 2 4 Mechanical Dimensions for 202A Outputs from 7KV to 40KV for grounding instructions see SECTION 3 6 83 493 001 Revision G 2 8 Specifications 3 INSTALLATION 3 1 INITIAL INSPECTION The shipping container should contain the following items power supply HV output cable male 15 pin D remote control connector and operator s manual Examine the items immediately for damage Locate the serial number label on the side of the power supply and verify the model number the input voltage rating and the output voltage rating and polarity In the event of any damage promptly notify the transportation company and the Lambda EMI Customer Service Manager 3 2 MOUNTING AND COOLING REQUIREMENTS The power supply can be mounted by the chassis support brackets see Figure 2 1 and 2 2 for details The mounting brackets are attached to the supply The supply must mounted using four PHMS 8 32NC X 0 250 screws Using wrong longer screws may short HV part to ground causing permanent damage to power supply The power supply can also operate on a bench or table top Power supplies gt 6kV with Oil H V section must be operated in upright position i e mounting bracket parallel to ground plane In all cases adequate clearances must be provided for proper air flow and cable bends Keep the minimum HV cable bend radius greater than 4 inches 1012. 4 UPALA TATA TATA TATA PATH PA ih PAPALIA PH ih ih PH ih ih PH eh ih PH PH PH PH PH PH PH PH LK eh ih LK LAKSI WARNING 152A and 202A PFC Models are only available with 220 VAC Nominal For 152A Models Suffix 110 at 110 120 VAC must be operated with the internal fuses F1 and F2 on the Inverter Board replaced by copper bus provided with the supply Use external 30A UL VDC Approved Fuse Circuit Breaker NOTE For Application At less than 10 Hz Please see section 5 7 SQN wD DIN 110 VAC 220 VAC Figure 3 2 Input AC Power Connection PFC Version 3 4 POWER CORD SPECIFICATION Use wire with minimum 064 inches 1 6 mm diameter and 600 V insulation 83 493 001 Revision G 3 2 Installation 3 5 CONNECTING HIGH VOLTAGE OUTPUT POTENTIAL LETHAL VOLTAGE x Ensure that the power supply is off and disconnected from the input power and never operate the power supply without a load cap Make sure that all load capacitors are discharged and shorted to ground before making any connections Lambda EMI recommends the use of safety dump switches in high voltage discharge circuits e Never handle the HV cable during operation e This power supply is designed to operate with a capacitive load Operation of the power supply without an external load capacitor may result in damage to internal circuitry Always use the HV connector and cable provided with the power supply or an equivalent substitute provided by EMI Fully ins
3. 3 6 GROUNDING THE PRODUCT 83 493 001 Revision G Installation 3 6 1 GROUNDING OF INPUT LINE The supply is grounded through the ground terminal of the input connector A protective ground connection by the way of the grounding conductor in the input terminal is essential for safe operation 3 6 2 OUTPUT GROUND CONNECTION It is important that there be a ground connecting the supply to the load as shown in Figure 3 3 See Figure 2 1 and 2 2 for grounding cable configuration HV O P HV POWER SUPPLY LOAD Figure 3 3 Output Ground Connection 3 6 3 FOR UNITS WITH O P VOLTAGE lt 6kV The ground connection is made via the shield of the RG58 coaxial HV output cable provided with the supply 3 6 4 FOR UNITS WITH O P VOLTAGE gt 6kV The ground connection between the load and the supply must be made with a separate wire to the 8 32 1 2 NC long grounding stud provided on the supply 83 493 001 Revision G 3 4 Installation 4 OPERATION 4 1 REMOTE CONTROL The Series 500A 102A 152A 202A is easily controlled through the remote connector on the input panel of the unit Only the ENABLE RESET V PROGRAM and GND signals are required for operation The remaining signals are provided for status monitoring and fault diagnosis A schematic diagram showing the suggested interface circuit is shown in Figure 4 1 This table is for a standard configuration PIN SIGNAL N
4. A 10 to 15 volt high signal will allow power supply operation A 0 to 1 5 volt low signal will inhibit the supply 83 493 001 Revision G 2 3 Specifications 2 23 4 SUFFIX EN Low Enable A 10 to 15 volt high signal will disable power supply operation A 0 to 1 5 volt low signal will enable the supply 2 23 5 SUFFIX 5V 0 to 5 volt voltage 0 to full scale output programming 2 23 6 SUFFIX LP Latching overload protection 2 23 7 SUFFIX 110 100 to 120 VAC input option for non power factor corrected 152A 1500 J s model LLC ALO GOLO dla NOTE 152A power supply with suffix 110 at 100 120VAC must be operated with internal 20A fuses F1 amp F2 on inverter bd replaced by copper bus provided with the supply Use external 30A UL VDC approved fuse circuit breaker VARNA AAQAN 2 24 ORIENTATION Power supplies gt 6kV with Oil H V section must be operated in upright position i e The mounting bracket is parallel to the ground plane 83 493 001 RevisionG 2 4 Specifications F Loa 6FT SUPPLIED 2 00 5087 l F Taj S el i 6 5628 166 69 2 883 73 22 4 ny 7 380 187 45 14 213 361 01 MOUNTING BRACKET FOR MOUNTING INFO A SEE 3 2 PAGE 8 c e 0 500 12 70 2 200 55 88 A A Hi ISISI 1 25
5. 6mm to minimize stress on the insulation Generally at least 4 inches 101 6mm of clearance should be allowed at the inlet of the power supply and 2 inches 50 8mm at the sides 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 often requires addition of a system heat exchanger 3 3 INPUT AC POWER Proper grounding from the input AC power is required to reduce the risk of electric shock The metal chassis of the power supply is grounded through the green earthing wire at the input AC power terminal block A protective ground connection by way of the grounding conductor in the input terminal is essential for safe operation Use extreme caution when connecting input AC power and never apply the incorrect input power Figure 2 1 amp 2 2 The PFC version and version without PFC should be connected as explained in the following 2 paragraphs A Version with no PFC For this version the supply can be connected to either 110VAC or 220VAC input voltage See Table 2 2 These connections are shown in Figure 3 1 1 For 110VAC connect the input line wires to L1 and COM terminals 2 For 220VAC connect the input wires to L2 and COM terminals B Version with PFC 83 493 001 Revision G 3 1 Installation The PFC version connection is shown in Figure 3 2 Connect the input voltage line wires to L2 and COM terminals
6. 2A supplies can be used as a constant voltage supply by the addition of an external filter capacitor The value of this capacitor will determine the ripple voltage on the DC output The value of this ripple voltage can be expressed as 1 4 Po max AVeK PK V9 Co Fs Where Po max Maximum outut power in watts Vo Output voltage in volts Co Total output capacitance in microfarads Fs Lowest switching frequency 40KHz When operating as a DC supply care must be taken not to draw more than the J sec rating of the unit Also if the filter capacitor is inadvertently shorted it may ring which can damage the supply Section 5 2 83 493 001 Revision G 5 4 Applications 5 7 LONG CHARGE TIME WITH POWER FACTOR CORRECTED PFC UNITS It is advised that you consult the factory if this type of operation is required On supplies with active Power Factor Correction there is a limit to the length of the charge time With all capacitor charging supplies the peak output power capability is twice the joule per second rating At pulse rates greater than approximately 20Hz the internal filter capacitors can average the power drawn from the power factor correcting circuit At lower pulse rates the output stage will attempt to draw twice the rated average power fro the PFC circuit The internal current limit if the PFC circuit will be activated and the supply will shut down To avoid this type of fault condition the output power can be red
7. 31 75 i 1 ASA 1 a es a Z Q x K lt O an L 15 PIN D SUB MINIATURE EXHAUST FAN CONNECTOR DO NOT BLOCK PROGRAMMING amp CONTROL 5 560 141 221 3 i p 575014604 A 7 062 179351 Figure 2 1 Mechanical Dimensions for 500A 102A 152A Outputs up to 6KV for grounding instructions see SECTION 3 6 83 493 001 Revision G 2 5 Specifications HV CABLE SILICON 4 0 101 59 a GRD STUD 8 32 X 1 2 l _ re 6 362 166 671 2 883 73 31 MOUNTING BRACKET FOR MOUNTING INFO SEE 3 2 PAGE 8 7 380 187 45 14 213 136101 0 500 12 701 2 200 55 881 t a A i i 1 SOROS A A o o kri Qa Z Q a T lt o mai TS 15 PIN D SUB MINIATURE EXHAUST FAN CONNECTOR DO NOT BLOCK PROGRAMMING amp CONTROL T 5 560 141 221 5 750 146 05 _ gt 7 062 179 37 Figure 2 2 Mechanical Dimensions for 500A 102A 152A Outputs from 7KV to 40KV for grounding instructions see SECTION 3 6 83 493 001 Revision G 2 6 Specifi
8. AME VO DESCRIPTION 1 ENABLE RESET INPUT JA high signal 10 to 15V with respect to ground pin 14 will enable the power supply Latching faults can be cleared by cycling this switch Ground or open disables the supply 5 V PROGRAM INPUT JA 0 10V signal with respect to ground at this pin programs the output voltage proportionally from zero to rated output 7 V prak OUTPUT A 0 10V signal with respect to ground proportional to the peak of the output charging voltage Can be used to drive a meter displaying peak output voltage 8 V ANALOG OUTPUT 0 10V analog of output charging voltage waveform 10 INHIBIT INPUT JA 10 to 15V with respect to ground disables the unit Open or ground allows operation This input can be used to disable charging during HV switch recovery 9 11 15V OUTPUT 15V regulated Can be used for user programming applications 20mA max 14 GND OUTPUT Control circuit return Also chassis earth ground 15 INHIBIT LED OUTPUT Open collector Indicates that the power supply is receiving an INHIBIT signal 13 EOC LED OUTPUT Open collector Indicates that the power supply is reaching end of charge i e the V PROGRAM set point 3 6 SUMMARY OUTPUT Open collector Indicates an output overvoltage FAULT LED Temperature fault or low input voltage condition 2 LOAD FAULT OUTPUT Indicates a shorted O P or a very large load capacitor Table 4 1 Control Interface Connection For Standard 500A 102A 152A 202A Series 83 493 001 Revi
9. E DONE ONLY BY QUALIFIED PERSONNEL WHO ARE TRAINED IN THE SAFETY ASPECTS OF WORKING WITH HIGH VOLTAGE A sample of the output voltage is available in the REMOTE connector If it is desired to measure the HV output externally care must be taken to understand the accuracy of the measurement When making a DC measurement such as when the power supply is holding voltage on a capacitor any HV probe and DVM combination can be used The Fluke 80K 40 probe with any 10M input resistance DVM is adequate up to 40kV Building a simple resistor divider using appropriate HV resistors is also very straightforward Keep in mind that all HV resistors including the one in the Fluke probe exhibit a negative voltage coefficient changing by up to 4 from zero to max voltage Derating the resistors and calibrating at the operating point solves this problem The value of the resistor R1 and R2 Figure 5 3 can be calculated as follows Vu NA x Vo where Vo is the High Voltage being measured Making a pulsed measurement with an oscilloscope reguires a compensated HV probe having a wide bandwidth Simply connecting a DC probe through the proper resistance into a scope yields a slow response only adeguate for low rep rate systems As with DC probes the pulsed probe resistor voltage coefficient is a problem In addition damage to the resistors can occur during pulsing due to high electric field gradients Also stray capacitance to nearby objects can significant
10. INSTRUCTION MANUAL FOR 500A 102A 152A 202A POWER SUPPLY 83 493 001 Revision G MODEL SERIAL NUMBER LAMBDA EMIA An Invensys company 405 ESSEX ROAD NEPTUNE NJ 07753 TEL 732 922 9300 FAX 732 922 9334 Table of Contents 1 INTRODUCTION 1 1 Description 2 SPECIFICATIONS 2 1 Average Charging Rate 2 2 Peak Charging Rate 2 3 Number of Models in Series 2 4 Standard Voltage Ranges 2 4 1 Linearity 2 4 2 Accuracy 2 5 Polarity 2 6 High Voltage Assembly 2 7 Input Connector 2 8 Input Chart 2 9 Power Factor 2 10 Efficiency 2 11 Stored Energy 2 12 Stability 2 13 Pulse To Pulse Repeatability 2 14 Temperature Coefficient 2 15 Ambient Temperature 2 16 Humidity 2 17 Protection 2 18 Agency Approvals 2 19 Transient Line Protection 2 20 ESD 2 21 Note for PFC Units 2 22 Accessories 2 23 Options 2 23 1 Suffix SYS 2 23 2 Suffix RFI 2 23 3 Suffix LH 2 23 4 Suffix EN 2 23 5 Suffix 5V 2 23 6 Suffix LP 2 23 7 Suffix 110 2 24 Orientation 3 INSTALLATION 3 1 Initial Inspection 3 2 Mounting and Cooling Requirements 3 3 Input AC Power 3 4 Power Cord Specification 3 5 Connecting High Voltage Output 3 6 Grounding the Product 3 6 1 Grounding of Input Line 3 6 2 Output Ground Connection 3 6 3 For Units with O P Voltage 6KV 3 6 4 For Units with O P Voltage gt 6KV 4 OPERATION 4 1 Remote Control 83 493 001 Revision G 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 PRERROODONSS KHFA
11. PAARPAWWWWWWWWWWOWAONNNNNNNN HAA AHAAArPAtrtesee e e FPRWBWWWWWWWWWWNNDNYNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNDNEP I Table of Contents 4 2 Initial Check Out Procedure 5 APPLICATIONS 5 1 Determining Capacitor Charge Time 5 2 Voltage Reversal 5 3 Paralleling Units 5 4 Measuring High Voltages 5 5 Determining AC Line Current 5 6 Continuous HV DC Operation Constant Voltage 5 7 Long Charge Time With Power Factor Corrected PFC Units 6 MAINTENANCE AND CALIBRATION 6 1 Safety Precautions 6 2 Maintenance 6 3 Calibration List of Figures Figure 1 1 152A Block Diagram Figure 2 1 Mechanical Dimensions for Units up to 6KV Figure 2 2 Mechanical Dimensions for Units 7KV to 40KV Figure 3 1 Input AC Power Connection NON PFC Version Figure 3 2 Input AC Power Connection PFC Version Figure 3 3 Output Ground Connection Figure 4 1 Eample Of Interface Connection Figure 5 1 Output Voltage Waveform Figure 5 2 Output Current Measurement Figure 5 3 HV Bias Measurements Figure 5 4 Long Charge Time Operation List of Tables Table 2 1 High Voltage Cable Table 2 2 Input Voltage Chart Table 2 3 Power Factor Table 4 1 Control Interface Connection For Standard 500A 102A 152A Series Table 5 1 Output Capacitance 83 493 001 Revision G OOQ A 1 Mc 0d Mm BO O O NNAJa I O A NANNOO gt Table of Contents 1 INTRODUCTION 1 1 DESCRIPTION The Series 500A 102A 152A 202A are High Voltage Switching Power Supplies designed specifically fo
12. cations aa HV CABLE SILICON 6FT SUPPLIED T 2 00 50 871 i I za cd 883 73 22 mi 6 562 166 67 Ia ro MOUMTING BRACKET 7 380 187 45 FOR MOUNTING 14 515 368 68 INSTRUCTION SEE 3 2 PAGE 8 at e 0 500012 701 1 2 200 55 881 1 550 39 42 li li AC INPUT AIR FLOW 15 PIN D SUB MINIATURE CONNECTOR PROGRAMMING amp CONTROL EXHAUST FAN DO NOT BLOCK 3 560 141 241 9 750 146 06 7 062 179 37 Figure 2 3 Mechanical Dimensions for 202A Outputs up to 6KV for grounding instructions see SECTION 3 6 83 493 001 Revision G 2 7 Specifications HV CABLE SILICON 4 103 191 ye GRD STUD 8 32X1 2 V t 2 883 73 22 HI 6563166 69 I MOUNTING BRACKET FOR MOUNTING INFO SEE 3 2 PAGE 8 7 380 187 45 14 513 368 62 0 500 12 701 H 2 200 55 881 l ga Ha u NE 15501139 37 t t zi Rey 5 pe a lt x S Z ire peki lt 15 PIN D SUB MINIATURE CONNECTOR PROGRAMMING amp EXHAUST FAN CONTROL DO NOT BLOCK Pa SS Sa ae A ee e o o
13. e input panel can also be connected directly together using a daisy chain ribbon cable from the system controller Each of the power supplies operate at the same time with the total charge rate equal to the sum of each Sometimes when operating several units in parallel the high total power generates noise which interferes with the power supply control This is usually due to the many interconnecting control cables acting as an antenna picking up noise The problem usually appears as one or more of the power supplies shuts down when the output voltage increases beyond a certain level Dressing the control cables as short as possible and close to ground or using shielded cables should help In severe cases it is necessary to wrap the cables several times through high permeability ferrite cores at the input panel of each unit The 500A 102A 152A 202A power supplies can also be used as an Isolated High Voltage continuous DC power source by adding an external filter capacitor The value of the filter capacitor depends upon the value of the allowable output voltage ripple value For parallel operation into DC loads please contact EMI Customer Service Department See Section 5 6 83 493 001 Revision G Applications 5 4 MEASURING HIGH VOLTAGES ae ae lela ee R LLL LLR LLLE L LUL LRL LL LLL RELLU LLL LL LAG PRMWMMWMWMWMMWBW x X WARNING EXTREME CAUTION MUST ALWAYS BE EXERCISED WHEN TAKING ANY HIGH VOLTAGE MEASUREMENTS IT SHOULD B
14. ert the connector end of the HV cable and tighten the locking nut only hand tight NOTE When operating above 20 kV and 200 Hz rep rate ensure that a silicone grease such as Dow Corning DC 4 is applied to the HV cable before insertion into the HV connector This displaces the air in the connector and reduces long term corona effects Keep the minimum HV cable bend radius greater than 4 inches 101 6mm to minimize stress on the insulation Keep the HV cable as distant as possible from the input power and the input control signals 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 The currents developed with voltage reversal at high rep rates could damage the power supply A resistor in series with the HV output can be added to limit this current to an acceptable level Refer to Section 5 2 Page 15 for more information The oil filled HV assembly should not be opened The oil and components have been specially cleaned and vacuum impregnated at the factory and the assembly hermetically sealed Opening the assembly will compromise performance and void the warranty Tanks must only be serviced at Lambda EMI
15. gure 5 1 Output Voltage Waveform 5 2 VOLTAGE REVERSAL When the capacitor or PFN is discharged a high peak current may flow out of the power supply as a result of voltage reversal This occurs in a system which is underdamped in order to clear the high voltage switch after each pulse The average value of this peak current added to the normal output current may exceed the rating of the HV diodes in the power supply This current can be measured with a current transformer as shown in Figure 5 2 JR OMA HV SWITCH CTT TO SCOPE 83 493 001 Revision G 5 1 Applications Figure 5 2 Output Current Measurement A series terminating resistor or series inductor or clamp diode must be added as shown if the average value of the peak current exceeds 110 of the normal output current When choosing Rs ensure it can withstand the full output voltage across it as well as the power dissipation caused by discharging Co see Table 5 1 and Cc 20pF ft 65 62 pf m each cycle as well as conducting the normal output current It s power dissipation can be calculated as Pd Ig Rs 1 2 Co Cc V REP RATE Output Voltage Co 1 2 8kV 60nF 3kV 6kV 15nF 10 30kV 460pF 40kV 230pF Table 5 1 Output Capacitance 5 3 PARALLELING UNITS The 500A 102A 152A 202A power supplies are designed for simple parallel operation The input power and HV output should be connected directly together The REMOTE connectors on th
16. he oil and components have been specially cleaned and vacuum impregnated at the factory and the assembly hermetically sealed Opening assembly will compromise performance and void warranty HV Tanks must only be services at Lambda EMI 6 3 CALIBRATION Calibration of the output voltage is accomplished with trim pot RP4 located on the control board This is the top PC board of the inverter assembly RP4 is a 25 turn trimpot Slowly turn it clockwise to decrease the output voltage for a given Vprocram Factory set for 10V rated voltage for standard version Refer to Sections 4 1 and 4 2 of product specification for Linearity and Accuracy 83 493 001 Revision G Maintenance and Calibration
17. ly alter the pulse response For a high performance shielded probe to 40KV use a Tektronix P6015 or Ross Engineering VD60 8 3 A K LB Measurements accurate to better than 0 1 can be achieved using a bias technique For example if a 40V signal 40kV divided by 1000 is to be measured accurately the minus input of the DVM would be biased up 40V The original signal with respect to ground is fed to the plus input of the DVM The bias can be measured accurately for absolute measurements or relative measurements read directly as the line or load is varied In the same manner an oscilloscope return can be biased for accurate peak measurements during pulsing 83 493 001 Revision G Applications hOkV Figure 5 3 HV Bias Measurements 5 5 DETERMINING AC LINE CURRENT I VP HEH I Line current P Average output power V Line voltage Pr Power factor 65 min EFF 0 85 Ex A 152A operating from 115V 10 and delivering 1000W average z 1000 _ IL 115065085 lt 0 1794 When charging very large capacitor banks requiring many seconds or minutes to reach end of charge the power supply will display a load fault and go into a 50 duty cycle protection mode If this feature is defeated and the power supply is allowed to charge for an extended period the peak output power not the average power must be used to determine line current See Section 5 7 5 6 CONTINUOUS HV DC OPERATION CONSTANT VOLTAGE The 500A 102A 152A 20
18. ly on in the following sequence 1 Connect power supply to the HV load Increase load rep rate to prevent a full charge Vprocram Signal pin 5 at zero volts ENABLE RESET signal pin 1 at zero volts Assert ENABLE RESET signal to 15V Verify HV output is at approx zero volts Increase HV by increasing Vprocram voltage output slowly and verify adjustability OS DN oe BP bo M Decrease load rep rate to allow full charge 83 493 001 Revision G 4 3 Operations 5 APPLICATIONS For clarification and further technical assistance specific to your application please contact Lambda EMI 5 1 DETERMINING CAPACITOR CHARGE TIME The ratings of these supplies are as follows 500A 500 J s 102A 1000 J s 152A 1500J s 202A 2000J s average charge rate Although the measure of Joules sec equates to Watts Stored Energy per unit time is more convenient when working with energy storage capacitors The peak charge rate determines the capacitor charge time The average charge rate determines the total power delivered from the power supply It is possible to charge a capacitor at 1650 J sec but to discharge it at a low rep rate producing an average of 100 J sec The following formulas can be used to determine the average and peak charge rate VOLTAGE JE ENE le pe TME i tov Peak Charge Rate 2 To C OUTPUT LOAD CAPACITOR V PROGRAMMED OUTPUT VOLTAGE 50V Average Charge Rate Tc AND Tp ARE SHOWN IN FIGURE p Fi
19. ower Factor 2 10 EFFICIENCY Better than 85 2 11 STORED ENERGY Less than 0 3 Joules all models 2 12 STABILITY 0 2 per hour after 1 hour warm up 2 13 PULSE TO PULSE REPEATABILITY 0 2 to 300 Hz For higher repetition rates consult factory 2 14 TEMPERATURE COEFFICIENT 100ppm per C 2 15 AMBIENT TEMPERATURE Storage 40 to 85 C Operating 20 to 45 C 83 493 001 Revision G Specifications 2 16 HUMIDITY 90 non condensing 2 17 PROTECTION The power supply is protected against Open Circuits Short Circuits Overloads and Arcs 2 18 AGENCY APPROVALS S00A 102A 152A are approved to UL2601 and TUV 601 1 Class I per IEC 601 1 202A pending approvals 2 19 TRANSIENT LINE PROTECTION Meets requirements of IEC 801 4 801 5 2 20 ESD All Remote Control Functions meet requirements of IEC 801 2 2 21 NOTE FOR PFC UNITS When High Voltage is enabled by using either the HV Enable Line or deactivation of the Inhibit Line the power supply will reach normal operation mode and therefore all other published specifications within 50 ms 2 22 ACCESSORIES e Detachable 8 feet 2 4 meters HV Cable see Table 2 1 e 15 pin D plug mating control connector e Operating Manual 2 23 OPTIONS 2 23 1 SUFFIX SYS Parallel Operation 2 23 2 SUFFIX RFI Optional external fit on filter which reduces conducted Electro Magnetic Emissions Approved VDE0871 6 78 Class B 2 23 3 SUFFIX LH Low Inhibit
20. r charging capacitors in laser systems and other pulsed power applications The 500A provides 500 J s the 102A is 1000 J s 152A is 1 500 J s and the 202A provides 2000 J s of average power and can be paralleled indefinitely for higher total system power Lambda EMI also offers the 402 Series 802 Series and 303 Series rated at 4 000 8 000 and 30 000 J s respectively The 500A 102A 152 202A power supplies incorporate a new high frequency IGBT parallel resonant inverter topology for efficient generation of the output power A high performance control module precisely regulates the output voltage automatically compensating for line load temperature rep rate variations Normal external fault conditions such as line dropout open or short circuit load HV arc and over temperature will not damage the unit The latest development in the parallel resonant inverter topology and control circuitry also drastically improves pulse to pulse repeatability by reducing the ripple or bucket effect even at very high pulse repetition frequencies The output voltages of the 500A 102A 152A 202A supplies are fully adjustable over each range INPUT POWER High Freq Step up HV OUTPUT Resonant Transformer Inverter HV Rect HV Filter PFC Fuses Inrush Limit Control amp Aux Power Figure 1 1 500A 102A 152A 202A Block Diagram 83 493 001 Revision G Introduction 2 SPECIFICATIONS 2 1 AVERAGE CHARGING RATE 500J s 1000J s 1500J
21. s 2000J s at rated Output Voltage 2 2 PEAK CHARGING RATE 550J s 1100J s 1650J s 2200 J s at rated Output Voltage 2 3 NUMBER OF MODELS IN SERIES 12 Standard others at extra cost 2 4 STANDARD VOLTAGE RANGES 1kV 1 5kV 2kV 3kV 4kV 5kV 6kV 10KV 15kV 20kV 30kV 40kV All models continuously variable from 0 to 100 of rated output voltage 2 4 1 LINEARITY Linear to within 1 of full scale 2 4 2 ACCURACY 1 of rated 2 5 POLARITY Available as fixed Positive or Negative 2 6 HIGH VOLTAGE ASSEMBLY Insulating Medium Cable Voltage Medium Output Cable 1kV to 6kV Air Coax RG58 10kV to 40kV Oil 12 AWG HV Silicon Table 2 1 High Voltage Cable 2 7 INPUT CONNECTOR VDE UL approved 83 493 001 Revision G 2 1 Specifications 2 8 INPUT CHART Input Voltage selective by Terminal Block position Input Voltage VAC Current No PFC Non PFC Current PFC Nameplate Design 500A 102A 152A 202A 500A 102A 152A 202A Range Range 200 220 180 240 SA 10A 14 5A 3 5A 6 6A 10A 13 5 50 60Hz 50 60Hz 100 120 90 140 10A 20A 30A TA ze xa 50 60Hz 50 60Hz Factory if model used at less than 10Hz Note Input current ratings given are maximum when output Repetition Rate is gt 10Hz Consult Table 2 2 Input Voltage Chart 2 9 POWER FACTOR Non PFC PFC All models 0 65 0 98 Table 2 3 P
22. sion G 4 1 Operations 10V FULL SCALE ANALOG OUT SNS a 15V INHIBIT INHIBIT V PROGRAM 0 10 VOLTS 0 RESET ENABLE RESET PEAK OUTPUT VOLTS ImA METER GND 15 PIN D CONNECTOR LOAD FAULT LED 15V SUMMARY FAULT END OF CHARGE LED INHIBIT LED Figure 4 1 Eample Of Interface Connection 83 493 001 Revision G 4 2 Operations 4 2 INITIAL CHECK OUT PROCEDURE LETHAL VOLTAGES PRESENT ONLY QUALIFIED PERSONNEL TRAINED IN THE SAFETY ASPECTS OF HIGH VOLTAGE SHOULD PERFORM INITIAL CHECKOUT PROCEDURES The power supply should have no visible damage or defects and the cover should be securely fastened Properly connect the input power Section 3 5 control connector Sec 4 1 and HV output Sec 3 5 and 3 6 If there is no load connected the power supply will regulate the output voltage to the programmed voltage level or sense an open circuit and immediately shut down indicating a FAULT If there is a short circuit or overload condition on the output the power supply will operate in a 50 duty cycle protection mode and indicate a LOAD FAULT An overload condition can occur if the INHIBIT signal is missing allowing HV switch to latch up It can also occur if the discharge rep rate is too high to allow the capacitor to fully charge to V PROGRAM Double check all connections and ensure that all personnel are protected from the HV output With the Vprocram at zero volts turn the power supp
23. uced by providing an inhibit pulse of fixed or variable duty cycle to keep the average output within the PFC rating See Figure 5 4 INVERTER AND OUTPUT STAGE OUTPUT VOLTAGE 1 12 OUTPUT VOLTAGE LOW REP RATE OUTPUT VOLTAGE 11 12 LOW REP RATE WTH SOXDUTY CYCLE INHIBIT Figure 5 4 Long Charge Time Operation 83 493 001 Revision G 5 5 Applications 6 MAINTENANCE AND CALIB RATION 6 1 SAFETY PRECAUTIONS ONLY QUALIFIED PERSONNEL TRAINED IN THE SAFETY ASPECTS OF HIGH VOLTAGE SHOULD PERFORM CALIBRATION The calibration steps described in this section require operation of the power supply with the cover removed Proceed with extreme caution as hazardous voltages are exposed throughout the unit Safety glasses must be worn to prevent serious injury in the event of a component failure e g power transistors readily explode during fault conditions Because the power supply does not receive proper cooling with the cover removed it must be cooled by an external fan placed next to the supply to cool the inverter and HV section min air flow 100 CFM 2 83 M min when operating at full power Operation at full power with cover removed should be limited to less than five minutes 6 2 MAINTENANCE No maintenance is required under normal operating conditions Occasional vacuum or blow out of the chassis may be required when operated in extremely dirty environments The oil filled HV assembly must not be opened T
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