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Sorensen DCR10-40B, Instruction Manual

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Sorensen DCR10-40B Instruction Manual Download Page 65

Circuit 

Symbol 

Cl 

C2 

C3 
CRl 

CR2 

CR3 

CR4 

CR5 

CR6 

CR7 

CRB 

ICl 

Ql 

Rl 

R2 

R3 

R4 

RS 

R6 

R7 

RB 

Tl 

Jl 

OVP  Model 

Table  6-3 

Replaceable  Parts  List 

DCR-B  OVP 

J 

13/3/#?��1 

Description 

.  -

X  X  X  X  X  X 

X  X  X  X  X  X 

X  X  X  X  X  X 

X  X  X  X  X  X 
X  X  X  X  X  X 

X  X  X  X  X  X 

X  X  X  X  X  X 

X  X  X  X  X  X 
X  X  X  X  X  X 

X  X 

X  X  X 

X 

X  X  X  X  X  X 

X  X  X  X  X  X 

X  X  X  X  X  X 

X 

X  X 

X 

X 

X 

X  X  X  X  X  X 

X 

X 

X 

X 

X 

X 

X  X  X  X  X  X 

X  X  X  X  X  X 

X  X  X  X  X  X 

X  X  X  X  X  X 

X 

X 

X  X  X  X 

X  X  X  X  X  X 

X 

:x 

X  X  X  X 

X  X  X  X  X  X 

X  X 

X  X 

X  X 

X  X 
X  X 

X  X 

.x 

X 

X  X 

X 

X 

X 

X 

X  X 

X  X 

X  X 

X  X 

X  X 

X 

X 

X  X 

X  X 

X  X 

X  X 
X  X 

X  X 

X  X 

X  X 

Capacitors  ( uF  unless 
0.1,  250V 

0.47m,  100V 

150,  50V 

Diodes 

S12 

S12 

1N5242B 

1N753/1N5234B 

S12 

1N4587 

SCR,  68-6083 

SCR,  68-6082 

S CR,  68-6085 

S12 

SN72710CN 

2N2222A 

Resistors  (ohms) 

9.lK,  1/4W

11.5K,  1/4W 

6.8K,  1/4W 

5.6K,  1/4W 

2. 2K,  2W,  10% 

15K,  2W,  Variable 

25K,  2W,  Variable 

SOK,  2W,  Variable 

75K,  2W,  Variable 
l00K,  2W,  Variable 

200K,  2W,  Variable 

250K,  2W,  Variable 

750K,  2W,  Variable 

LOK,  1/2W,  10% 

180,  SW,  5% 

180,  SW,  5% 

4. 7,  1 / 2W,  10%

3K,  1/2W,  5%

Pulse  Transformer

PCB  Connector
Miscellaneous 

OVP  PCB  Assembly 

6-20

Sorensen 

Part  No. 

noted) 

24-2015-13

24-2037-15

586048-1
587565-2 

587565-2 

588101-15 

588101-9 

587565-2 

587571-5 

1057662-1 

1057662-2 

1057662-3 

587565-2 

386-7277P4 

386-7249P5'1
585108-57 

586055-125 

585108-51 

585108-47 

280-1147P86

589337-17

589337-19

589337-21

589337-22
589337-23 

589337-25 

589337-26 

589337-29 

280-1147P73

586054-40

586054-40

280-7176P2

280-1145P90

589333-1

588893-1

589308-1 

Rev  E  (6/86) 

Summary of Contents for DCR10-40B

Page 1: ...ion Man 10 408 20 258 40 1 60 1986 by Sorensen Division of Elgar Electronics Corporation This document contains information proprietary to Sorensen Elgar Electronics Corporation The information contai...

Page 2: ...n no circumstance be liable for any direct indirect special penal or consequential loss or damage of any nature resulting from the malfunction of the product Remedies under this warranty are expressly...

Page 3: ...g Unit Shutdown Ch cuit Protection Features Page 1 1 1 1 1 1 1 1 1 2 1 2 1 2 1 2 1 2 1 2 OPTIONAL MODIFICATIONS 1 3 SPECI1 ICATIO NS 1 4 INSTALLATION GENERAL 2 1 INITIAL INSPECTION 2 1 ELECTRICAL INS...

Page 4: ...ions UNIT SHUTDOWN CIRCUIT OVP 3 7 1 3 7 2 OVP Adjustment Cautions THEORY OF OPEHATION INTRODUCTIOl PHASE CONTROL PRINCIPLE BLOCK DIAGRAM ANALYSIS DETAILED CIRCUIT DESCRIPTION 4 4 1 4 4 2 4 4 3 4 4 4...

Page 5: ...mit Settings PERFORMANCE 1 ESTING Page 5 1 5 1 5 1 5 1 5 2 5 3 5 5 1 5 5 2 5 5 3 Voltag e Mode Regulation and Ripple 5 3 Current Mode kegulation 5 4 Transient Response 5 4 HI POT TEST PROCEDURE DRAWIN...

Page 6: ...Connections Remote Sensing Master Slave Connections Series Operation Phase Control Firing Angles DCR B Functional Block Diagram Passing Stage Principle Performance l est Setup DCR B PCB Schematic Dia...

Page 7: ...s Series Connected Recommended Rectifiers Series Ope1 ation DCR D Troublesl1ooting Sensing Resistor Vulues Current Mode Regulation Check lJnit Calibration Specifications H placcable Parts List DCR D P...

Page 8: ...CR s Silicon Controlled Rectifiers or Triacs at the input to the transformer followed by a passive LC filter This design allows for a wide range of output voltages simplicity of design and offers larg...

Page 9: ...provide Using a master slave ap proach a maximum of four units can be connected in parallel An alternate method is direct paralleling With this approach there is no limit to the number of units which...

Page 10: ...he output voltage to zero See details in Section 3 1 3 OPTIONAL MODIFICATIONS The standard DCR B unit is designed for operation from a nominal 115 Vac input however units may be purchased factory modi...

Page 11: ...input COMMON SPECIFICATIONS Voltage Mode Regulation 0 03 with load change NL to FL or FL to NL and a full line voltage change combined Resolution 0 05 of Eo max typical Drift Eo max 0 1 typical for 8...

Page 12: ...on indicating lights 5 Alternate power switch between ON and OFF Action should be both positive and audible Return switch to OFF position 6 Remove rear cover and check terminal board Make sure that l...

Page 13: ...clockwise turn COARSE and FINE CURRENT controls fully clockwise 3 Set unit power switch to ON with zero load current 4 Turn COARSE VOLTAGE control slowly clockwise while observing the unit voltmeter T...

Page 14: ...and loss of current limiting can result from loosening or removing links on rear mounted terminal board TB3 This may result in personnel injury and damage to equip ment Do not remove or loosen any li...

Page 15: ...variations in the output voltage or current VOLTAGE mode indicator A red light which illuminates when the unit is DS2 operating in the voltage regulating mode Panel voltmeter Ml A meter connected inte...

Page 16: ...ing Resistance Remove jumper 5 6 connect program resistor between 4 5 Voltage Remove jumper 3 4 connect signal O lOV to 3 positive return to 1 Variable reference output 0 lOV cG Error Amplifier Input...

Page 17: ...minals Replace cover 7 Set unit power to ON and turn CURRENT control to the desired cur rent limiting value POWER light will illuminate and the unit is in voltage mode operation NOTE With unit in the...

Page 18: ...0 to 600 Vdc models Note that a heavy pulse load can act the same as a momentary load short and may damage the amplifier under remote sense conditions Consult the factory for recommendations if you in...

Page 19: ...lus sense and minus sense terminals to the load Observe Polarity To reduce stray pickup use shielded cable shield grounded at the supply or a twisted pair of wires for sensing leads Replace the rear a...

Page 20: ...als 4 and 5 Figure 3 5 Use shielded or twisted wire for interconnecting leads 3 Rotate COARSE and FINE VOLTAGE controls fully counterclockwise 4 5 Operation Set POWER switch to ON Rotate CURRENT contr...

Page 21: ...utput is regulated at the value deter mined by the setting of the current controls The output voltage varies as a function of load To operate unit in the current mode proceed as follows 1 Rotate FINE...

Page 22: ...1 0 milliampere TB 1 Figure 3 6 Current Mode Programming Connections To adapt unit to the current mode resistance programming configuration proceed as follows 1 With unit power OFF remove the link be...

Page 23: ...ected and twisted wires should be used for the interconnecting leads For a full range variation in unit output current signal must have O to 400 mV volt range Terminal 8 is positive 3 3 3 CAUTION Do n...

Page 24: ...e DCR B panel voltage control fully clockwise or to desired volt age limit 4 Short the DCR B output terminals and apply DCR B input power 5 Set zero current adjust potentiometer R53 on the DCR B PCB t...

Page 25: ...ned but only four units may be paralleled with the direct method there is no limit to the number of units which may be paralleled and no current derating is required Output voltage regulation however...

Page 26: ...ections Master Slave Paralleling Figure 3 9 To connect two units in parallel proceed as follows NOTE Up to three slave units may be added by ex tending this procedure 1 With no load applied set master...

Page 27: ...y 3 5 3 5 1 Figure 3 9 Master Slave Connections Parallel Operation SERIES OPERATION Direct Series Connections Figure 3 10 DCR B supplies may be directly series connected up to a total output of 200 Vd...

Page 28: ...be connected across the output terminats of each unit as shown in the figure This will prevent damage to the output capacitors Spe cific rectifier types are listed in Table 3 3 4 Set unit power switch...

Page 29: ...s are to be used consult factory for connecting dissimilar units connect as shown in Figure 3 11 RA and RB are low TC wire wound resistors of 5 watts rating or greater Resis tance values for two ident...

Page 30: ...N4587R 20 25B 1Nll83 1N1183R 40 13B MR1121 MR1121R 60 9B MR1121 MR1121R 80 6B MR1122 MR1122R 150 3B 3S12 2 300 1 5B 3S14 2 600 75B 3S18 2 i Reverse polarity rectifiers flat aluminum plate Operation So...

Page 31: ...sense terminal 1 of TB3 This connection may be metallic reed relay or wire or may be a transistor or optical coupler The device must sink approximately 2 mA from terminal 11 such that pin 11 drops bel...

Page 32: ...n requires protective diodes See Figure 3 8 and 3 9 CAUTION If the DCR B is used with an energy storage type of load e g batteries or large capacitor or inductor banks protective diodes must be used i...

Page 33: ...Figure 4 1 represents normal ac line voltage If by some means conduction of this voltage is delayed the average voltage output will be reduced Control of the delay then results in control of the aver...

Page 34: ...CR8 ETC MAIN ASSEMBLY COMPONENTS 7rR FILTER LI R3 R5 I C V MODE INOi CATOR C C MODE IND CATOR VARIABLE REFERENCE IC3 C V ERROR AMPLIFl ER IC2 C C ERROR AMPLIFlER IC5 TURN ON CIRCUIT Q6 Q8 t SHUTDOWN C...

Page 35: ...utput across Rl7 sets the conduction angle of blocking oscillator Q2 The duration of Q2 conduction is directly proportional to the error signal and its output trig gers CR into conduction CR7 acts as...

Page 36: ...n gated through CR6 and filtered by C2 to provide the 20 Vdc primary operating power for the control PCB CR23 and R51 utilize the 16 Vdc derived from R35 and CRl7 to gen erate and precisely regulate t...

Page 37: ...nents from overstress Trimmer R53 is used to adjust zero output current compensating for current tolerances and offset voltage of ICS Trimmer R54 is used to adjust for maximum current setting compensa...

Page 38: ...as follows When power is initially applied to the unit the bases of Q6 Q8 are driven positive due to Cl0 coupling the rising voltage of Vee Q6 and QB are thus in saturation The resultant negative volt...

Page 39: ...bar on To reset the OVP power must be removed from the power supply input After a moment to reset lower the output voltage control and reapply power to the in put 4 4 9 Indicator Lamps DSl which indic...

Page 40: ...n symptoms along with a tabulation of the possible cause s for each symptom Note that the failure of a single component may result in a chain reaction effect As additional aids to troubleshooting volt...

Page 41: ...put voltage mode Fuse opens or circuit breaker trips High output voltage meter pointer pegs No output current mode or unit will not current limit Output oscillates current mode a Wrong input voltage b...

Page 42: ...d by the terminal screws Alligator clips and similar types of connectors are not suitable Grounding tech niques in which more than one device in the setup is grounded may introduce extraneous ripple t...

Page 43: ...regulation proceed as follows 1 2 3 4 5 5 5 3 At no load adjust output to maximum rated voltage and set COARSE CURRENT control fully clockwise Connect a sense resistor Table 5 2 or a prec1s1on meter s...

Page 44: ...Check DCR MODEL SENSE RESISTOR Ohms 10 40B 0 01 SOW 20 2SB 0 01 sow 40 13B 0 01 SOW 60 9B 0 1 2SW 80 6B 0 1 2SW 150 3B 0 1 2SW 300 1 SB 1 0 lOW 600 75B LO IOW Table 5 3 Unit Calibration Specifications...

Page 45: ...valent on the highest resistance scale available If it is essential to use the high potential test method please contact the factory for information on special precautions that should be taken Mainten...

Page 46: ...CAUTION Do not reconnect for these voltages unless parts Per Table 6 2 page 6 17 are also changed Figure 6 12 is the Over Voltage Protector schematic and parts location drawing 6 2 PARTS LIST COLUMN...

Page 47: ...Rl7 5600 RIZ RQ i2i cs l30 CA6 I TO Tl cu so r FROM CKT 8RK R 1 I I I I I I 0588300 Rev M Parts List Table 6 J NOTES 1 UNLESS OTHERWISE PECIFIEO l t EL EC TRICAL VALUES FOR RESISTORS ARE IN OHMS RE S...

Page 48: ...372 3 586062 1 586372 3 586372 3 586062 1 386 n49P58 386 721l9P32 386 7249PS8 386 7249P58 386 72 19P58 386 7249P57 386 7 49P58 386 7249P57 27 397 85 280 11 15P95 280 1145Pll3 586055 188 586055 188 586...

Page 49: ...t I C a ti 1 Ol Ill I Z I VI jl a JI I ID I t I l c Figure 6 2 PCB Component Location Diagram 6 4 Rev B 6 84...

Page 50: ...cs TB1 C4 Rl3 C6 C7 RI T2 Rl2 F2 p LI P3 A3 P2 RS CAB etc I Tl Figure 6 3 Component Layout Typical Assembly 6 5 Rev B 6 84...

Page 51: ...8300 I_C4 32 000 CV C C 0S2 l 3 68 6 5W s N UNLESS 0TNEllk lSE SP CIFIEO ALL Rt 51 S roR VALUES ARE tN OIIMS AND ANE 10 2 IJNL SS 0THERWIS SP CIFIE O ALL CAPACITOR VALl S ARE IN MICROl ARADS A ID ARE...

Page 52: ...CR I INIIB4A ci ls IRs lb RI 2w Rll 80 2W RIO _L_I_ q_llOO q MO Z DW I b6 ooo so JS 3 OUT M2 A l SJ 12 5W J4 8 2S VA l o 1 J 230 Cv 3 I AC VOT S v c c VAC I lB o I t Nl SS 0TH RWl c SPECIFIED ALL l li...

Page 53: ...30 c i v c L V C X DS2 0S3 PCB SCHEMATIC 588300 r xs 11 0 r 11 000 ml I Jf l Jl 2 srNS S NS Cb t9 0bO I RI 600 Rtl Bo 2W l 10 7 J4 8 X L i 1 0 5 6 S w cR I lt 1184A A OT I UNLESS O rl lERWISE SPECf IE...

Page 54: ...l 2 0lA 5 0 i T E J 2 2_ S 7 E sw T2 PRi 1 RY Q r J n 1 1 20 8 1 YA VI C YAC tB 0 r j o C VAC L NOTES CRII IM12 0l A f UAllESS 0TH RW SE SPECl 1 O At L 1 S Sl R VAW 5 AR IN OHMSAND ARE IOY 2 UNllSS ar...

Page 55: ...Ml RY T 2 PRiM RY r Qr n rJ AIOTE S rc 4 Is 4 Uo 4 200 LI R3 3 3 5 b 5W 2oe J l d c v c v c c v c v c 1 l EB1 I U VI ESS OTIIERWtSI SP CIJ ED ALI x S15TOR VAlUES AR IN OHMS N 1 IJk e 10 2 f L SS OTJ R...

Page 56: ...SCI IE v A TIC 588300 Jl 1 J1 2 SENSE SEtlSE Rli 2w Tl 1 1 14 R1t t 1 1l LiJ o c t __ ___ _ 3Sl4 ___ _ l i 1 CR I JS S 3S 14 6 5W NOT S I UNLESS OTIIERWISE SPECif IED All R SISTOR VALUES ARE IN CHM5 A...

Page 57: ...Rtt iiSO Rll cR a 21s r1 3516 1 ri f b I re I a I R 10 OUT I I ro f f r C 6f IO x o J 4 SIO Lt b sow Ts o OOVOC G NOI I I f IO 12 I I I 1 I IO 13 OUT I I L J NOTES CR I 3Sl8 R3 22 _ 57 b SW I I IJL S...

Page 58: ...cs 30 CRIS soJ S t 5w NOT S RS l 5 K 2 w l Sk Z W I UNLE 55 OTHERW 5 P CIFIED AU ll StST ll VALl S ARC IN OHMS AND ARE 0 2 NLESS OTUf RWIS SPli C 1 ll D ALI CAPACITORS VAWE 5 AP IN MICRDJ ARADS 4ND AR...

Page 59: ...0V 6 500 75V 4 200 100V 1 100 200V 510 400V 230 lOOV 32 000 15V 9 000 25V 11 000 50V 6 500 75V 4 200 lOOV 1 100 200V Not Used 230 100V 110 000 15V 66 000 25V 19 000 50V 6 500 75V 4 200 100V 1 100 200V...

Page 60: ...X X X X X X X Not Used X 3S18 X X X X X X X Not Used X 3S18 X X X X X X X Not Used X 3S18 X X X X X X X Not Used X 3S18 Lamps X X X X X X X X Power X X X X X X X X Voltage X X X X X X X X Current Fus...

Page 61: ...8A X Ammeter 0 SA X Ammeter 0 2A X Ammeter 0 lA Resistors ohms 1 2W 10 unless noted X X X X X X X X 1 5K l0W X X X X X X X X 150 2W X 0 68 6 5W 5 X 1 5 12 5W 5 X 1 0 6 SW 5 X 2 2 6 5W 5 X 3 3 6 SW 5...

Page 62: ...0 01 X 0 016 X 0 031 X 0 045 X 0 067 X 0 135 X 0 275 X 0 540 X X X X X X X X 650 2W Variable X X X X X X X X 80 2W Variable X X X X X Not Used X 0 33 12 5W X 1 5 12 SW X 6 8 12 5W X X X X X X X X Pow...

Page 63: ...ach X X X X X X X X Output Terminal Board X X X X X X X X Cover Top Bottom 2 Req d X X X X X X X X Cover Access X X X X X X X X Cover Rear X X X X X X X X Case Side 2 Req d X X X X X X X X Handle 2 Re...

Page 64: ...10 ___ C589308 l REV F 1 T1 1 _ 180 Jl Sw l I 180 l so f j sw cov 1 I GRAY c rq L i EI OuT i y U c r E ro rs 2 iCI i z A A 7 53 I T 3 II To J S 3ov IC Tl l I 2N 22A RB I ce 7 c ur Y 12 77 P o le I Tl...

Page 65: ...S12 1N5242B 1N753 1N5234B S12 1N4587 SCR 68 6083 SCR 68 6082 SCR 68 6085 S12 SN72710CN 2N2222A Resistors ohms 9 lK 1 4W 11 5K 1 4W 6 8K 1 4W 5 6K 1 4W 2 2K 2W 10 15K 2W Variable 25K 2W Variable SOK 2W...

Page 66: ...t 17 f4321 INPUT 6FT 3PRONGPLJh8M LG COROWIMOLO ED u Notoc Sllde ad 0P 0 l Z5 0N o Note All d n available o 1se imensions are in inches mm Figure 6 13 DCR B Outline Dr wing 6 21 P S SHUTDOWN Rev D 9 8...

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