BEHLMAN BL20000 Series User'S Manual And Technical Reference Manual Download

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USER'S GUIDE AND

TECHNICAL REFERENCE

AC SOURCE

BEHLMAN MODEL BL20000 SERIES

FOR SERVICE ASSISTANCE

CONTACT BEHLMAN

CUSTOMER SERVICE DEPARTMENT

PHONE TOLL FREE 1-800-874-6727

OR WRITE

BEHLMAN

CUSTOMER SERVICE DEPARTMENT

80 CABOT COURT

HAUPPAUGE, NY 11788

PHONE: (631) 435-0410

FAX : (631) 951-4341

FOR SALES INFORMATION:

PHONE: (631) 435-0410

USA : (800) 874-6727

FAX : (631) 951-4341

DATE: 2/13

REV. E

Summary of Contents for BL20000 Series

Page 1: ...SSISTANCE CONTACT BEHLMAN CUSTOMER SERVICE DEPARTMENT PHONE TOLL FREE 1 800 874 6727 OR WRITE BEHLMAN CUSTOMER SERVICE DEPARTMENT 80 CABOT COURT HAUPPAUGE NY 11788 PHONE 631 435 0410 FAX 631 951 4341 FOR SALES INFORMATION PHONE 631 435 0410 USA 800 874 6727 FAX 631 951 4341 DATE 2 13 REV E ...

Page 2: ...ly the Purchaser a Return Material Authorization RMA number This number must be attached to the equipment sent back for warranty repair Equipment must be shipped back to Behlman prepaid No collect shipments will be accepted Behlman shall be excused from supplying warranty service if the unit s case has been open or if the unit has been subject to unauthorized repair All service outside the scope o...

Page 3: ...ber and date the shipment was received Behlman will advise the disposition of the equipment and will arrange for necessary repair or replacement RETURNING EQUIPMENT TO FACTORY Do not return equipment to the factory without prior authorization from Behlman This equipment like all precision electronic equipment is susceptible to shipping damage It contains heavy magnetic components as well as delica...

Page 4: ...T IN BOX WILL ALLOW MOVEMENT DURING SHIPPING RESULTING IN DAMAGE 4 Secure box es to pallet s This is necessary to insure proper handling and protection during shipping 5 Place the following warning label on box es DO NOT STACK 6 Ship unit s using a freight cargo carrier air or ground CABINET MOUNTED UNITS Cabinet mounted units require that a special crate be used The crate should be manufactured o...

Page 5: ...the equipment in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard KEEP AWAY FROM LIVE CIRCUITS Operating personnel must not remove equipment covers Component replacement and internal adjustments must be made by qualified maintenance personnel Do not replace components with power applied Under certain conditi...

Page 6: ...on 3 OPERATION 3 1 Controls and Indicators 3 2 To Operate The Equipment 3 3 Shutdown Procedure 3 4 Remote Analog Control 3 5 External Sync 3 6 Line Drop Comp 3 7 Phase adjustment 3 8 Operational Configuration 4 MAINTENANCE AND ADJUSTMENT 4 1 Maintenance 4 2 Adjustments 4 3 Phase Adjustment 5 THEORY OF OPERATION 5 1 General 5 2 Input Power 5 3 Control Chassis 5 4 Motherboard 5 5 Output Invertor 5 6...

Page 7: ...sis Schematic 106 951 001 Motherboard Assembly 106 950 000 Motherboard Schematic Diagram 106 948 000 Output Filter Assembly 106 953 002 Phase Control Board Assembly 106 944 xxx Phase Control Schematic Diagram 106 942 000 Assembly Power Chassis 106 977 001 Power Chassis Schematic Diagram 106 956 001 Soft Start Filter Board Assembly 106 958 001 APPENDIX B OPTIONAL COMMUNICATION IEEE INTERFACE C OPTI...

Page 8: ...V 380V 0 135V 3N BL20000C3 277V 480V 0 135V 3N BL20000C4 200V 0 135V 3N BL20000C5 346V 600V 0 135V 3N BL20000C6 230V 400V 0 135V 3N OPTIONS Add E to the dash number for extended frequency range Add I to the dash number for Remote GPIB IEEE 488 Interface Add IR to dash number for Remote RS 232 interface Add L to the dash number for front panel locking controls VOLTS FREQ Add S10 to the dash number ...

Page 9: ...00 of rated output into any power factor load Distortion 1 5 maximum THD measured at full load 100 Vac 50 Hz Load Regulation 0 7 from no load to full load Line Regulation 0 1 for 10 of line change Efficiency 85 90 Metering Voltmeter Accuracy 2 of range 1 digit 1 volt resolution Ammeter accuracy 2 of range 1 digit 0 1 amp resolution Frequency Meter 2 of range 1 digit 1 Hz resolution MECHANICAL Dime...

Page 10: ...de this information in this manual is reserved solely by Behlman All special unit manuals will include an addendum that explains the modification and refers to any special operating considerations required by the modification Any exceptions to standard unit specifications will also be addressed by the addendum When ordering replacement or additional manuals make sure to check the ID label on the p...

Page 11: ... the cabinet Strain relief and mechanical protection for wiring must be supplied by the end user Connect 3 phase units as follows refer to inter connect diagrams provided on following pages a INPUT POWER Connect 47 63 Hz power lines to the rear panel terminals designated NA NB NC and neutral required for all inputs above 240V L N on the AC INPUT terminal block at the bottom of the power chassis Re...

Page 12: ...o be used with a four wire Wye input configurations Delta configurations above 277 volts require the addition of back up fuses for proper safety The chart below indicates the proper fuse based on the model number of the power supply The following lists should be used to select the proper line fuse size for the model numbers shown The selections are based on nominal line voltages and maximum output...

Page 13: ...OPTIONS The diagram below illustrates chassis inter connection for units provided with the T15 or T15D options The T15D units are dual range versions of the standard T15 type As shown below this option includes an additional internal step up transformer assembly mounted to the side panel of the lower half of the equipment cabinet Output lines connect to the AC OUTPUT terminal block mounted to this...

Page 14: ...A distance of four inches is required between the rear panel and any obstruction to prevent back pressure from severely reducing air flow This device is intended for use in a relatively clean environment For this reason air filters are not provided on the intakes If air filtering is desired it may be added at the expense of reduced air flow This may result in some required de rating of the output ...

Page 15: ...A 4 Rotate VOLTS control to desired voltage as indicated on the VOLTS display 5 Rotate the FREQ control to desired frequency as indicated on the FREQ display 6 Set OUTPUT switch to ON to energize load The load current is indicated on the AMPS display The meter switch may now be set to monitor the other phases NOTE It is also permissible and sometimes desirable to energize a load gradually by setti...

Page 16: ...lects which phase is currently displayed on the front panel digital displays 10a C CURRENT indicator Illuminates to indicate the power supply is operating in the constant current protection mode The output voltage is reduced to limit the current and maintain a sine wave current into an overload 10b OVER TEMP indicator Illuminates to indicate the power source is disabled due to excessive internal t...

Page 17: ...12 BL20K SERIES REV E 2013 The figure below locates the items listed in table 3 1 Figure 3 1 BL20000 CONTROL CHASSIS ...

Page 18: ...13 BL20K SERIES REV E 2013 Figure 3 2 Typical BL 20000 Front and Rear Panel Views ...

Page 19: ...t is not the same as chassis potential unless externally connected see wiring info TABLE 3 2 REMOTE PRGM CONNECTOR PIN DESCRIPTIONS PIN FUNCTION DESCRIPTION 1 External synch HI The power source will lock to the frequency of the signal applied to this pin See external sync below 2 External synch LO Isolated return for sync signal 3 DC control common Common return of power source CAUTION see note 1 ...

Page 20: ...o the same value as that indicated by the front panel voltmeter This will compensate for I R drops due to the load wiring Note Line drop comp will not work without a load applied 3 Repeat steps 1 and 2 for the remaining phases 3 7 PHASE ADJUSTMENT CAUTION MIS ADJUSTING PHASE ANGLES CAN CAUSE A LARGE IMBALANCE IN DELTA CONNECTED LOADS AS THE LINE TO LINE VOLTAGE ARE AFFECTED DO NOT ATTEMPT TO ADJUS...

Page 21: ...t some special start up concerns The following is intended to give the end user some insight into applying the AC source to these types of loads DRIVING REACTIVE LOADS Capacitors and inductors are reactive in nature If the load is applied during the peak of the AC cycle there may be a considerable in rush of current several magnitudes larger than the steady state current This current is only limit...

Page 22: ... frequency PWM conversion technique a certain amount of output noise or ripple is to be expected The amount of noise present on the output voltage waveform from this unit varies somewhat with the load Maximum noise levels are present when there is no load applied In any event the amount of noise present should not constitute a problem for properly designed equipment If the devices being tested are...

Page 23: ...G THE CLEANLINESS OF THE FILTERS VACUUMING OPERATING OUTSIDE THE ALLOWABLE ENVIRONMENT AND PHYSICALLY DAMAGING THE UNIT The decision on whether a units warranty is voided will be exclusively reserved for Behlman 4 2 ADJUSTMENTS NOTE All the potentiometers used in the procedures that follow are located on the controller card A1 See the printed wiring assembly in Section 6 for parts location Always ...

Page 24: ...7 R19 4 2 5 4 2 3 LOW FREQUENCY TRIM 45 Hz R15 1 Connect frequency counter to rear panel NA and NEUT terminal strip 2 Turn the FREQ control fully ccw 3 Set the power circuit breaker to ON 4 Set the OUTPUT switch to ON 5 Set the selector switch to NA 6 Adjust the VOLTS control clockwise until volts meter indicates 10 Vrms minimum 7 Adjust the 45 Hz potentiometer R15 until the frequency counter indi...

Page 25: ...R potentiometer R58 on NA board until the front panel current meter indication is same as load current noted in step 9 11 Repeat 4 2 8 for NB and NC 4 2 9 20 KHz TRIANGLE WAVE TRIM DIST TRM R34 1 Turn the VOLTS control fully ccw 2 Connect an oscilloscope across output terminals NA and NEUT 3 Set the oscilloscope gain to 500 mV div 4 Adjust DIST TRIM potentiometer R34 for the smallest ripple wavefo...

Page 26: ...a phase shift between phase A and phase B adjust phase difference between NA NB until DVM indicates the Vrms value required to produce the desired phase angle Use the table below as a guide It shows five predetermined values For in between phase angles use the formulas shown DVM Phase V 1 cos N 20 000 Vrms Angle N cos 1 1 V2 20 000 81 3 48 where V Vrms setting on DVM 100 0 60 and N phase angle des...

Page 27: ...electrolytic capacitors to provide the required filtering The output of the power chassis is a bipolar DC voltage of 250 Vdc centered around the circuit common Additional circuitry is incorporated to provide in rush current limiting and overload protection 5 2 2 In rush surge limiting is provided by placing large power resistors in series with each of the input phases and the power chassis transfo...

Page 28: ...evices and output filter components are mounted on separate assemblies 5 3 2 Bias power for the control chassis is derived from the 250 Vdc rail This voltage is applied to the Motherboard All other operating voltages are provided by the Motherboard Figure 5 1 System Block Diagram 5 4 MOTHERBOARD 5 4 1 The Motherboard uses a flyback type inverter to provide the following low voltage supplies a 15 V...

Page 29: ...ltage that is an amplified version of the sinewave signal 5 5 2 Pulse Width Modulation is performed by the individual phase control cards The tri wave signal generated by the Motherboard is distributed to each phase control card Components U7 U12 U13 and U14 form a modulator circuit that provides a dual polarity PWM signal that is applied to opto coupled driver IC s U17 and U18 These driver IC s p...

Page 30: ... with a high isolation voltage is used for signal isolation OVER CURRENT DETECTION The IGBT driver can withstand an over current of 10 µsec duration when short circuited An extremely fast protection circuit is used here for this reason LOW SPEED OVER CURRENT CUTOFF A low speed cutoff circuit slowly turns off the IGBT driver in response to an over current sensing This feature protects the driver ag...

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Page 33: ... controller 1 2 IEEE 488 BUS COMMANDS 1 Single Line Commands IFC Clears GPIB interface 2 Multi Line Command DCL Resets AC Power Supply to the quiescent state if a catastrophic failure is not present The only way to clear a catastrophic failure is to read the Power Supply s response by using the Status command 1 3 GPIB COMMUNICATION The embedded TMA receives ASCII encoded command strings via a GPIB...

Page 34: ...en generate error message SET FREQ value Optional Sets frequency of output voltage to given value in Hz The following values are permitted 45 value 5 0 0 Default is 6 0 Hz only if SET FREQ SRN FREQ or SRX FREQ are not received Otherwise the values shall be used in the order stated SRX VOLT value Optional Sets maximum limit for SET VOLT command If SET VOLT value is greater than SRX VOLT value in a ...

Page 35: ...p command ignored Legal values are 45 value 5 0 0 If a value for SRN FREQ is not specified SRN FREQ defaults to 45 SET VLT 0 Set LO voltage range SET VLT1 Set HI voltage range Delay is necessary after issuing setup command due to output voltage slew rate of 100v per 250 ms On dual range Power Supplies this command selects the LO or HI voltage range Dual Ranges are 0 135 volts and 0 135 0 27 0 volt...

Page 36: ...cr lf Closes output relay contacts Connects AC Power Supply outputs to output terminal block The setup command specifies the voltage and frequency The setup command must be entered before the CLS CH 0 command OPN CH 0 cr lf Opens output relay contacts Disconnects output of AC Power Supply from output connector AC Power Supply retains voltage and frequency assigned by setup command RST ACS CH 0 Res...

Page 37: ...onse messages and conditions exclude confidence and internal self sp cr lf Device error messages F 07ACS 0 DEV BIT TEST FAILURE description consisting of up to 6 0 characters cr lf TMA error messages All begin with F 07ACS 0 MOD This message is followed by one explanatory message from the following text ILLEGAL NOUN AC Power Supply does not recognize illegal noun ILLEGAL NOUN MODIFIER AC Power Sup...

Page 38: ... its upper limit The OVERTEMP LED on the front panel will light CURRENT LIMIT FAULT cr lf SHORT CIRCUIT FAULT AC SUPPLY cr lf An output loading fault has occurred causing the supply to exceed 2 0 0 rated current output The supply automatically shuts down and opens its output relay The OVERLOAD LATCH LED on the front panel will light 1 6 ADDRESS SELECTION The GPIB Address for the BL Series Power Su...

Page 39: ...specified during the SET VOLT command GPIB PROGRAMMING EXAMPLE FOR THREE PHASE UNIT Examples of actual command strings transmissions and typical responses are outlined below All commands must be in upper case ASCII lower case characters are ignored All commands transmitted to the BL must terminate with a carriage return cr and a line feed lf as will all responses received from the BL IMPORTANT NOT...

Page 40: ... 115 V on high range 50Hz and read back what the actual voltage current and frequency being output is set at Transmit setup command FNC ACS CH 0 SET VOLT 115 SET FREQ 5 0 SET BLT1 cr lf Transmit status command to request status response STA cr lf Talk address the BL Source to enable response space cr lf Positive response indicating status is OK Transmit output relay close command CLS CH 0 cr lf Tr...

Page 41: ...us is OK Transmit output relay close command CLS CH 0 cr lf Transmit status command to request status response STA cr lf Talk address the BL source to enable response space cr lf Positive response indicating status is OK Transmit fetch volt command for phase 2 FTH VOLT2 cr lf Talk address the bl source to enable response 12 0 0 cr lf Transmit fetch volt command for average of 3 phases FTH VOLT cr ...

Page 42: ...t that the RS232 interface is connected to a host computer The interface is configured to communicate with the following format Duplex Full Baud Rate 9600 Bits 8 Parity None Stop Bits 1 Other BAUD rates however are available by special order 1 2 EIA 232 CONNECTIONS SIGNAL AC SOURCE HOST DB 9 ANY GND 5 GND RXD 2 TXD TXD 3 RXD The RS232 interface does not currently support hardware handshaking Use o...

Page 43: ... RST CNF IST STA INX MODIFIERS FREQ VOLT CURR VLT0 VLT1 NOUN ACS The BL Series Power Supply can be used in point to point mode where a host Computer is connected irectly to One Power Supply NOTES 1 Leading zeroes must be entered for commands 2 Leading zeroes are blanked in response transmit EXAMPLES 1 4 AC POWER SUPPLY SYNTAX Setup Command FNC ACS CHO SET VOLT value SET FREQ value SRX VOLT value S...

Page 44: ...o 135 or 270 dependant on range selected and type of unit SRN VOLT value Optional Sets minimum value limit for SET VOLT command If SET VOLT value is less than SRN VOLT value in a command string an error message is generated and a setup command ignored The following values are permitted 0 value 135 or 270 dependent on range selected and type of unit The SET VOLT default is 0 for the minimum value i...

Page 45: ...al format as follows sp digit digit digit dp digit digit cr lf eos FTH CURR cr lf eos The AC Supply responds by transmitting the current in amps measured at its output in decimal format as follows sp digit digit dp digit cr lf eos FTH FREQ cr lf eos The AC Supply response by transmitting the frequency in hertz measured at its output in decimal format as follows sp digit digit digit cr lf eos CLS C...

Page 46: ...lude confidence and internal self test RESPONSE Status OK sp cr lf eos Device error messages F07ACSO DEV BIT TEST FAILURE description consisting of up to 60 characters cr lf eos TMA error messages All begin with F07ACSO MOD This message is followed by one explanatory message from the following text ILLEGAL NOUN AC Power Supply does not recognize illegal noun ILLEGAL NOUN MODIFIER AC Power Supply d...

Page 47: ...All begin with F00ACS0 DEV This message is followed by one explanatory message from the following text OVERTEMP FAULT cr lf eos The heatsink temperature has exceeded its upper limit The OVERTEMP LED on the front panel will light CURRENT LIMIT FAULT cr lf eos SHORT CIRCUIT FAULT AC SUPPLY cr lf eos An output loading fault has occured causing the supply to exceed 200 rated current output The supply ...

Page 48: ...e response indicating error condition Typically a negative response would only occur if an error existed in the entry or reception of the command string or the values entered were out of range of the AC Source Transmit output relay close command CLS CHO cr lf eos Transmit status command to request status response STA cr lf eos Talk address the AC Source to enable response space cr lf eos Positive ...

Page 49: ...f eos Positive response indicating status is OK Transmit output relay close command CLS CHO cr lf eos Transmit status command to request status response STA cr lf eos Talk address the AC Source to enable response space cr lf eos Positive response indicating status is OK Transmit fetch volt command FTH VOLT cr lf eos Talk address the AC Source to enable response 115 0 cr lf eos Transmit fetch curre...

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