Unitek Classic Q3 Series Manual

4 quadrant thyristor drive

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Teil 1
Thyristor Drive
Teil 2
Analoque Control Electronic
Manual
Classic Q3 1000-2000A
4 Quadrant
Thyristor Drive
Q3 x/x- 1000 to 2000A
REG4
Edition
1108

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Table of Contents
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Summary of Contents for Unitek Classic Q3 Series

  • Page 1 Manual Classic Q3 1000-2000A 4 Quadrant Thyristor Drive Teil 1 Thyristor Drive Q3 x/x- 1000 to 2000A Teil 2 Analoque Control Electronic REG4 Edition 1108...
  • Page 2: Table Of Contents

    Classic Q3 1000-2000A Contents Page Basic Information Safety advice Standards and guidelines General information Features Technical data 6, 7 Specification Mechanical installation Dimensions 10, 11 Electrical installation Connections Connection diagram CE advice Auxiliary voltage connection Transformer power connection Option - synchronization Motor connection Field connection Actual value connection...
  • Page 3: Basic Information

    1 Basic information Electronic equipment is not fault proof. This fact should be borne in mind for all possible operating conditions. ATTENTION - High voltage AC 500V~, DC 650V= 500V ac, 650V=dc Before installation or commissioning begins, this manual must be thoroughly read and understood by the technical staff involved.
  • Page 4: General Information

    Classic Q3 1000-2000A Attention: This manual Q3 only describes the basic control unit. Manual Q3 This device description must be read in conjunction with the manual for - an analogue control REG xx - an external field control F2 xx - options Multi xx General information...
  • Page 5: Features

    1 Basic information Build - switch cabinet mounting - according to the VDE, DIN and EU regulations - standard control electronics REG intrinsically safe power section with current control loop - controlled or uncontrolled field supply unit - optional units Galvanic isolation between - the power section and the housing - the power section and the control electronics...
  • Page 6 450 ... 550V~ Auxiliary voltage connection 360 ... 440V~, 200 … 250V~ oder Option Output voltage max. ± 550V= Cooling ventilation fan Field supply - external Field current controller Unitek F2.1 400/340-20 Q3 500/550- 1000 1500 2000 Input current 1200 1600...
  • Page 7: Specification

    1 Basic information Specification Mains frequency 50 or 60Hz ±5% Protection rating IP 00 Format VDE 0100 group C, VDE 0160 Humidity rating class F acc. to DIN 40040 Site of installation < 1000m above sea level Operating temperature range 0 ...
  • Page 8 Classsic Q3 1000-2000A Air flow direction Ambient temperature 0 to <45°C (reduced, up to 60°C) max. cooling unit temperature 80°C (internal watchdog) Air-mass throughput 1000-2000A 2500m³h Dissipation loss with max. power Unit Q3-x/x Unit W Mains choke W 1000 3700 1000 1500 5400...
  • Page 9: Mechanical Installation

    2 Mechanical installation 1-phase mains choke Faetures 400V~50/60Hz Protection rating IP00 Isolation class T40/E Vertical angle bracket Units Choke Dimensions Weight Screw Q3-x/x type KU240-10 1000 0,05 1000 320 270 470 250 190 KU240-15 1500 0,03 1300 320 270 470 250 190 KU240-20 2000...
  • Page 10 Classsic Q3 1000-2000A...
  • Page 11: Electrical Installation

    3 Electrical installation Q3 1000-2000A...
  • Page 12 Q3 1000-2000A Une protection Switch operated Pusch button operated ON/OFF (Delayded opening) (Delayed opening) Switching off Switching on Enable K3 Control voltage Power voltage 10s* Command value * switching-off delay stand-still 0.3s...
  • Page 13 3 Electrical installation Q3 1000-2000A...
  • Page 14: Connection Diagram

    Q3 1000-2000A CE Advice The devices adhere to the EU guidelines 89/336/EWG and the technical stan- dards EN 61000-2 and 61000-4 provided that the following conditions are ob- served: - The device, the transformer, and filter capacitors are mounted on a 500x500x2 mm mounting plate.
  • Page 15: Auxiliary Voltage Connection

    3 Electrical installation Attention: The order of the connections to the connector numbers or screw terminals is obli- gatory. All further advice is non-obligatory. The input and output conductors may be altered or supplemented in accordance with the electrical standards. Note: - Connection and operating instructions - Local regulations...
  • Page 16 Q3 1000-2000A Direct power connection Phase Bolt X10:16 Line protection Phase Bolt X10:15 Phase Bolt X10:14 Note: L1,L2,L3 - clockwise rotating field Mains choke Protecting earth - PE connection To work without PE connection is for- bidden !!! Power choke Q3 x/x- Fuses A KD- three phasecurrent...
  • Page 17: Option - Synchronization

    3 Electrical installation Option - External synchronization For special applications it might be necessary to tap the synchronization before the power commutating choke, e.g - when operating via field triggering circuit - in case of an instable power supply When changing to external synchronization, the 3 resistors 0W (R15, R34, and R40) on the board ‘Q3 - Ein3’...
  • Page 18 Q3 1000-2000A...
  • Page 19: Electrical Installation Connections

    3 Electrical installation Connection positive command value Motor- bolt X10:13 Motor+ bolt X10:10 Note: Armature choke only for a few applications Inductance: L [mH] = U x 0.8 Standard version without a choke Motor lines have to be shielded. Unit Q3 x/x- Power choke* Min.
  • Page 20 Q3 1000-2000A Field regulator is not installed. External field current regulator F2.1 xx...
  • Page 21: Actual Value Connection

    Ground referenced actual value Fuses 2x 0.1A >>> directly in the armature circuit For armature voltage >180V= >>> additional resistors are required Use unit UNITEK EXZU-UA1 (two resistors and two fuses in insul. case) Note: Observe Manual REG Option: In case of internal potential-free armature voltage control please indicate on order.
  • Page 22: Adjustments

    Q3 1000-2000A Adjustments Variable elements Function Range P-amplification current controller 1 18kW to 470kW P-amplification current controller 2 18kW to 470kW Exact adjustment current limit 100kW to 470kW R101 Trigger angle control 240kW to 560kW R125 Field current Integral term - current controller 1 0.1mF to 2.2mF Integral term - current controller 2 0.1mF to 2.2mF...
  • Page 23 5 Adjustments Q3 1000-2000A...
  • Page 24 Q3 1000-2000A Current controller - PI loop circuit Bridge 1 Bridge 2 for a positive command value Bridge 1 negative R14, C80 Bridge 2 positive R33, C81 Bridge 1 Bridge 2 Basic set-up Amplification ~0.4 Integration time ~18m Changing the amplification Bridge1 Bridge 2 18kW x R33...
  • Page 25 5 Adjustments BTB signal - Drive ready BTB signal X3:25 >+5V Error X3:25 <+5V Error Voltage error 24V, 15V, 5V saved Phase error, rotating field saved Defective input fuse saved Over-temperature saved In case of errors or failure the power section is immediately internally disabled without delay.
  • Page 26 Q3 1000-2000A Commissioning Q3 x/x-x with REG4 Check the following connections before commissioning Observe the type plate! Basic connection - power connections Q3 Power supply power bolts X10:14, X10:15, X10:16 Power supply auxiliary voltage terminals X5:17, X5:18 Motor connection A1/A2 bolts X10:10, X10:13 Protecting earth earthing screws PE on the housing...
  • Page 27 6 Commissioning Enable off Command value 0V Switch on the power check the auxiliary voltages - terminal X1:3 = >20V - terminal X1:5 = +10V LED 7 bright - terminal X1:7 = -10V - Power supply off > check fuses FE1, LED 3 bright - Power supply off LED 6 dark...
  • Page 28 Q3 1000-2000A Switch on the power Voltages applying across X10: 14,15,16 Check the pre-fuse and the contactor X5 : 17,18 circuit X5 : 20,21 - Fuses FE1 and FE2 defective All LEDs dark - Power section defective - internal short-circuit Check the tacho/tacho connection LED 3 dark For armature voltage control check...
  • Page 29: Fault

    7 Faults Error diagnosis Malfunction Causes Motor does not run Wrong power supply and motor connections - Activated fuses - Missing enable or command value - Current limit too low - Missing BTB Motor speeds up - Wrong polarity of the actual value (tacho armature voltage) - Values of the tacho switch S9 too low...
  • Page 30: Guarantee

    Unitek undertakes no guarantee for devices which have been modified for special applications. During the warranty period, UNITEK will, at its option, either repair or replace products that prove to be defective, this includes guaranteed functional attribu- tes. UNITEK specifically disclaims the implied warranties or merchantability and fitness for a particular purpose.
  • Page 31: Protocol

    9 Protocol Protocol Q3 x/x-x with REG4 Customer ..... . . Machine No... . Device Q3- .
  • Page 32 Brake [V] ....Fan [V] ..... 32 UNITEK Industrie Elektronik GmbH Hans-Paul-Kaysser-Str.1 D-71397 Leutenbach-Nellmersbach (b.Stuttgart)

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