Spellman SL2KW SERIES, Instruction Manual

Page 1: ...upply MODEL SERIAL DATE SPELLMAN HIGH VOLTAGE ELECTRONICS CORPORATION One Commerce Park Valhalla New York 10595 1 914 686 3600 FAX 1 914 686 5424 E mail sales spellmanhv com SL2KW SERIES Website www spellmanhv com SL2KW MANUAL 118087 001 Rev A ...

Page 2: ... aware of the electrical hazards WARNING note in the text call attention to hazards in operation of these units that could lead to possible injury or death CAUTION notes in the text indicate procedures to be followed to avoid possible damage to equipment Copyright 2000 Spellman High Voltage Electronics Corporation All Rights Reserved This information contained in this publication is derived in par...

Page 3: ...spannungsnetzteiles benötigen ca 5 Minuten um sich zu entladen Erden Sie sich nicht und arbeiten Sie nicht in feuchter oder nasser Umgebung Notwendige Reparaturen können es erforderlich machen den Gehäusedeckel während des Betriebes zu entfernen Reparaturen dürfen nur von qualifiziertem eingewiesenem Personal ausgeführt werden WARNING im folgenden Text weist auf gefährliche Operationen hin die zu ...

Page 4: ...de l alimentation Ne vous mettez pas à la masse ou ne travaillez pas sous conditions mouillées ou humides La maintenance peut nécessiter l enlèvement du couvercle lorsque l alimentation est encore allumée Les réparations doivent être effectuées par une personne qualifiée et connaissant les risques électriques Dans le manuel les notes marquées WARNING attire l attention sur les risques lors de la m...

Page 5: ...carica della capacità interna dell alimentatore ad alta tensione Non mettere a terra il proprio corpo oppure operare in ambienti bagnati o saturi d umidità SICUREZZA NELLA MANUTENZIONE Manutenzione potrebbe essere richiesta rimuovendo la copertura con apparecchio acceso La manutenzione deve essere svolta da personale qualificato coscio dei rischi elettrici Attenzione alle AVVERTENZE contenute nel ...

Page 6: ...ical Installation 5 3 OPERATING INSTRUCTIONS 3 1 Operation 7 3 2 Standard Features 8 4 PRINCIPLES OF OPERATION 4 1 Chassis 17 4 2 Line Rectification and Filtering 17 4 3 Inverter 18 4 4 High Voltage Transformer 18 4 5 High Voltage Assembly 18 4 6 Control Power PWB 19 4 7 Front Panel Assembly 19 4 8 Options 19 5 OPTIONS 5 1 Adjustable Overload Trip 20 5 2 Adjustable Power Trip 20 5 3 Arc Sense 20 5...

Page 7: ...et 21 5 17 Remote Over Voltage 22 5 18 Slides 22 5 19 Slow Start 22 5 20 Custom Design Models 22 6 MAINTENANCE 6 1 Periodic Servicing 24 6 2 Performance Test 24 6 3 High Voltage Dividers 24 7 REPLACEMENT PARTS 7 1 Replacement Parts 25 7 2 Correspondence and Ordering Spare Parts 25 8 FACTORY SERVICE 8 1 Warranty Repairs 26 8 2 Factory Service Procedures 26 8 3 Ordering Options and Modifications 26 ...

Page 8: ...ff 13 Figure 3 5 External Inhibit Interface Circuit 14 Figure 3 6 External Interlock Interface Circuit 14 Figure 3 7 Remote High Voltage On and Remote High Voltage off Indicator Circuit 15 Figure 3 8 Remote Indicators Interface 16 Figure 5 1 Polarity Reversal Procedures 1kV to 8kV 22 Figure 5 2 Polarity Reversal Procedures 10kV to 50kV 22 Figure 5 3 Instant On Option 23 Figure 5 4 Bipolar Master S...

Page 9: ...nant topology and unique control circuitry of the SL2KW design A proprietary control system maintains high frequency over the operating output range The combination of proprietary control system and proprietary protection circuitry enables the supplies to operate under arcing and extreme transient conditions without damage or interruptions The DC output voltage and current are continuously adjusta...

Page 10: ... monitoring of the output voltage and current REMOTE HIGH VOLTAGE CONTROL Allows remote control of HIGH VOLTAGE ON and HIGH VOLTAGE OFF Signals are also provided for remote indication of HV ON or HV OFF status EXTERNAL INHIBIT A control signal that will inhibit the high voltage output is provided on the external interface A logic low ground will inhibit the high voltage output and a logic high ope...

Page 11: ...or power regulation circuitry This fault usually occurs when there is a lack of output power to maintain regulation The options available are listed in Table 1 1 See Section 5 for more information on these options along with operating and set up instructions With few exceptions these options and modifications can be retrofitted to your power supply at the factory in a short time For price and retr...

Page 12: ...the series name is 1 the maximum voltage in KV 2 the polarity of the unit positive P negative N or reversible PN 3 the maximum output in watts 4 the option codes for all options that are included Custom units have an X number after the option codes SL2KW 30 P 2000 AOL X Series Name Maximum Voltage Polarity Maximum Power Custom X Number Option ...

Page 13: ... the panel and chassis for visible damage Fill out and mail the Warranty Registration card accompanying the unit Standard Spellman SL Series high voltage power supplies and components are covered by warranty Custom and special order models with an X suffix and the model number are also covered by warranty 2 2 Mechanical Installation Units in the SL2KW Series have front panel holes for standard EIA...

Page 14: ...SL2KW SERIES MANUAL 6 118088 001 REV C Figure 2 1 SL2KW Dimensions ...

Page 15: ...See Section 5 for hook up and operating instructions for the options on your unit Custom models may also require set up changes G For initial turn on rotate the KILOVOLT control fully counter clockwise to the zero voltage position H The input power cable may now be connected to the AC power line I Switch the front panel circuit breaker to the ON position 1 If the supply is to be turned off for an ...

Page 16: ...emote adjustment of the output voltage and current via an external voltage source In local control front panel control jumpers are installed on the external interface J5 in the rear of the chassis between J5 10 and J5 11 for voltage control and between J5 8 and J5 9 for current control For remote programming the jumpers are removed and a positive voltage source from 0V to 10V is applied to the app...

Page 17: ...discharge conditions present at the output load If an arc occurs the output is inhibited for 5 seconds After the 5 second period the output is ramped up to the previous set level This ramp is based on the standard six second slow start feature The ARC DETECT ramp circuit may be disabled by removing CR32 on the Control Power Pwb Caution should be observed if this feature is disabled Discharge rates...

Page 18: ...igh Voltage It is recommended to connect the load return directly to the ground stud located on the rear of the high voltage power supply HAUPPAUGE NY 11788 MADE IN USA HIGH VOLTAGE ELECTRONICS CORP SPELLMAN SERIAL NO MODEL PART NO OUTPUT INPUT REAR PANEL Figure 3 1 Typical Operating Setup ...

Page 19: ... Local Voltage Program Out Front Panel Program Voltage 12 EFR Common Optional External Fault Relay 13 EFR Normally Open Closed 14 Local HV Off Out 15V at Open 25mA at Closed Connect to HV OFF For FP Operation 15 HV OFF 16 Remote HV ON 15V 10mA Max HV ON 17 Remote HV OFF Indicator 0 HV ON 15V 10mA Max HV OFF 18 Remote HV ON Indicator 0 HV OFF 15V 10mA Max HV ON 19 Remote Voltage Mode Open Collector...

Page 20: ... PS Common Figure 3 2A Wiring Diagram for Remote Programming via Voltage Fully Counterclockwise Zero Output Fully Clockwise 100 of Rated Output All cables should be shielded with the shields being returned to the chassis ground of the High Voltage Power Supply If connections to external potentiometers are excessively long 10ft motorized potentiometers are recommended Remote Current Control Remove ...

Page 21: ...he chassis ground of the High Voltage Power Supply Remove jumpers for remote programing 15 17 16 14 S2 Remote High Voltage On S1 Remote High Voltage Off S1 must be closed to enable HIGH VOLTAGE Momentary closure of S2 will enable HIGH VOLTAGE ON Opening S1 will disable HIGH VOLTAGE ON and switch the unit to the HIGH VOLTAGE OFF mode It is recommended to use relay contacts for S1 and S2 Relays shou...

Page 22: ...gh Inhibits Figure 3 5 External Inhibit Interface Circuit External Safety Interlock Control J5 All cables should be shielded with the shields being returned to the chassis ground of the High Voltage Power Supply Remove jumper for remote external interlock S1 Open Interlock Open S1 Closed Interlock Closed 3 S1 5 4 1 2 Relay contacts are recommended for S1 The relay should be located as close as pos...

Page 23: ...as close 12Vdc lamps or relay coils may replace opto couplers 1K 1 4 W Power Supply P O High Voltage 1 4 W 1K 17 18 16 15 14 R Limit R Limit 12 13 11 10 9 7 8 6 5 4 as possible to the high voltage power supply 1 2 3 J5 PS Common Signals are 15Vdc 10mA max R Limit must be 500 Opto Coupler General Purpose Indicator Voltage To High ON To High Voltage OFF Indicator Figure 3 7 Remote High Voltage ON an...

Page 24: ...REV C R1 R3 680W 1 4W R Limit must be 1kW R3 21 R limit R2 R1 J5 20 19 23 R limit R limit Indicator 10mA max 10mA max 10mA max Power Control Current Control Indicator Indicator Voltage Control Figure 3 8 Remote Mode Indicators Interface ...

Page 25: ... to high voltage DC take place By reviewing further the sub assemblies a basic understanding of the process can be gained 4 1 Chassis The SL2KW is a compact high efficiency high voltage power supply The power supply can supply up to 2000 watts of DC power Output voltages of up to 50kV can be generated The energy levels used and generated by the power supply can be lethal Do not attempt to operate ...

Page 26: ...gized to short the resistor limiters This DC voltage is supplied to the high frequency inverter The DC rails are connected to the high frequency rail capacitors These capacitors are high frequency low loss type which provides the energy storage for the high frequency inverter 4 3 Inverter The inverter is a series resonant series parallel loaded topology A proprietary control scheme is used for reg...

Page 27: ... arc sense control Current feedback from the high voltage rectifier is sent to sense resistors located on the High Voltage Assembly Calibrated feedback is then sent to the applicable circuitry on the Control Power Board U12 circuit provide visual indication of the control mode which is in operation These signals are sent to the FRONT PANEL ASSEMBLY for front panel status indication The resonant co...

Page 28: ...nsed will shut the power supply off with an ARC fault 5 5 BPM BPS Bipolar Master Slave The Bipolar Master Slave option allows two supplies of the same voltage rating but opposite polarities to functions as a single tracking bipolar power supply The positive supply is configured as the Master the negative supply is configured as the Slave This is accomplished by connecting the Voltage Test Point of...

Page 29: ...ntrol Voltage This option adds a second potentiometer to the front panel of the unit This allows for a finer local adjustment of the output voltage setting 5 11 IO Instant On When the Instant On Option is ordered the High Voltage is enabled as soon as line voltage is applied when the circuit breaker is in the ON position See Figure 5 3 To enable Instant On keep the jumper between J5 14 and J5 15 a...

Page 30: ...y 5 19 SS X Slow Start X The standard slow start is modified to provide a time of X seconds Time frames of 0 1 seconds to 120 seconds can be accommodated 5 20 Custom Designed Models X Numbers Units built to customer specification are assigned an X number by the factory If this unit is an X model a specification control sheet is added at the end of the test of this instruction manual Spellman welco...

Page 31: ...AND REMOVE CABLE SHIELD REMOVE COVER BY UNSCREWING AND REMOVING 12 SCREWS THAT MOUNT COVER TO CHASSIS AND FRONT PANEL REMOVE 2 SCREWS THAT HOLD THE POLYETHYLENE ENCLOSURE AND THE BOARD TO THE CHASSIS CAREFULLY TILT UP AND SLIDE OUT MULTIPLIER INSTALL NEW MULTIPLIER BY FOLLOWING STEPS 6 THRU 2 IN INSTALL COVER AND ALL HARDWARE BACK BEFORE TURNING UNPLUG CONNECTOR FROM JB2 FROM FASTON TAB ON BOARD R...

Page 32: ...sted Pair or Shielded Coaxial wire is recommended Keep Interconnecting Wires as Short as possible INSTALLATION NOTE POSITIVE MASTER 8 11 12 9 10 Point OUT kV Test 7 6 5 3 4 Common P S J5 1 2 SUPPLY 8 10 11 LINKING JUMPER REMOVE Program IN Remote Voltage 11 12 10 9 Common P S 7 6 4 5 3 J5 SUPPLY POSITIVE SLAVE 1 2 Figure 5 4 Bipolar Slave Option ...

Page 33: ...NGEROUS ONLY QUALIFIED PERSONNEL SHOULD PERFORM THESE TESTS High voltage test procedures are described in Bulletin STP 783 Standard Test Procedures for High Voltage Power Supplies Copies can be obtained from the Spellman Customer Service Department Test equipment including an oscilloscope a high impedance voltmeter and a high voltage divider such as the Spellman HVD 100 or HVD 200 is needed for pe...

Page 34: ...us even minor mistakes in repairs can have serious consequences When requesting parts please give the model number and serial number of the power supply 7 2 Correspondence and Ordering Spare Parts Each power supply has an identification label on the rear of the chassis that bears its model and serial number When requesting engineering or applications information please state the model and serial n...

Page 35: ... be returned to the customer The Customer shall pay for shipping to and from Spellman A preliminary estimate for repairs will be given by phone by Customer Service A purchase order for this amount is requested upon issuance of the RMA Number A more detailed estimate will be made when the power supply is received at the Spellman Repair Center In the event that repair work is extensive Spellman will...

Page 36: ...To obtain information on Spellman s product warranty please visit our website at http www spellmanhv com en About Warranty aspx ...