Classic P3 x/x - 240-840A Contents Page 1. Basic Information Safety advice Standards and guidelines General information Features Technical da 6, 7 Specification 2. Mechanical installation Dimensions 10, 11 3. Electrical installation Connections Connection diagram CE advice Power supply 15, 16 Option - synchronization Motor connection 19 Field connections 20...
1 Basic - Information Electronic equipment is not fault proof. This fact should be borne in mind for all possible operating conditions. ATTENTION - High voltage 500V ac, 650V=dc Before installation or commissioning begins, this manual must be thoroughly read and understood by the technical staff involved.
Classic P3 x/x - 240-840A Attention This manual P3 only describes the basic control unit. This device description must be read in conjunction with the manual for - an analogue control REG xx - an internal field control Q3-F - an external field control - options Multi General information...
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...
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Classic P3 x/x - 240-840A P3 400/450-x Power connection 360 ... 440V~ Auxiliary voltage connection 360 ... 440V~ or 200...250V~ Output voltage max. +450V= Cooling ventilation fan P3 400/450- Input current Output current peak 5 s. continuous El. power installed installed Fuses - input 3 pcs.
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1 Basic - Information P3 400/450-x Power connection' 360 ... 440V~ Auxiliary volrtage connection 360 ... 440V~ or 200...250V~ Output connection max. +450V= ventilation fan cooling Gerät P3 400/450- Input current Output current - peak 1680 - continuous El. power installed installed Fuses...
Classic P3 x/x - 240-840A 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 ...
2 Mechanical Installation Air flow direction Ambient temperature 0 bis <45°C (reduced, up to 60°C) max. Cooling unit temperature 80°C (internal watchdog) Air-mass throughput 240A 680m³h 360A 680m³h 480A 820m³h 840A 820m³h Dissipation loss with max. power Unit P3-x/x- Unit W Mains choke W 240A- 1000 360A- 1440...
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Classsic P3 x/x - 240-840A P3 240/360A Three-phase power choke single -phase mains choke up to 250A from 360A Features 400V~50/60Hz Protection rating IP00 isol. Class T40/E vertical angle bracket Dimensions Weight Screw Unit Choke P3-Type 240A KD5-250 0.12 31.5 360A K170-400 0.08...
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2 Mechanical Installation P3 840A Dimensions P3 240-840A Unit Width Heigth Depth Drill hole Weight P3-x/x- 240A 275 x 490 360A 275 x 490 480A 375 x 540 660A 375 x 540 840A 486.5 375 x 540 40.8 Fixing screw M8 P3 240-840A...
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Classic P3 x/x - 240-840A Super fast -F1.1 -F1.2 -F1.3 acting X5:11 X5:12 X10:14 X10:15 X10:16 REGx P3-2x X1:4 Push-button operated Switch operated On/off 10s. (Delayed opening) (Delayed opening) Switching-off Switching-on Enable K3 Control voltage K2 Power voltage K1 10s* Command value * Switch-off delay stand still 0.3s...
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Classic P3 x/x - 240-840A The devices adhere to the EU guidelines 89/336/EWG and the technical standards EN 61000-2 and 61000-4 provided that the following conditions are observed: - The device, the transformer, and filter capacitors are mounted on a 500x500x2 mm mounting plate.
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3 Electrical installation ttention: The order of the connections to the connector numbers or screw terminals is obligatory. 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 - EU guideline 89/392/EWG...
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Classic P3 x/x - 240-840A Direct power connection Connection Phase bolt X10:16 Phase bolt X10:15 Phase bolt X10:14 Note: L1, L2, L3 - clockwise rotating field Protecting earth - PE connection Power choke Unit P3 Fuses A Type current KD-three-phase current super fast acting installed K-phase choke...
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 - on3’...
3 Electrical Installation Motor connection 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 P3 x/x- Choke Min.
Classic P3 x/x - 240-840A Constant field Connection Plug-in terminal connectors Input X5:17, X5:18 Field negative X5:19 Field positive X5:20 Signal contact X5:21, X5:22 Field voltage Power supply Field supply 230V~ 210V= 400V~ 360V= Variable 0.9 x transformer secondary voltage with auto-transformer Field current max.
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2x 0.1A directly in the armature circuit For armature voltage >180V= additional resistors are required Use unit UNITEK EXZU-UA1 (The suitable unit EXZU-UA comprises 2 fuses and 2 resistors in an insulated housing.) Note: Observe Manual REGxx Option: In case of internal potential-free armature voltage control please indicate on order.
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Classic P3 240-840 Adjustments Variable elements Function Range P-amplification current controller 2 to 470k Exact adjustment - current limit 100k to 470k R101 Trigger angle control 240k to 560k R125 Field current Integral term - current controller 2 F to 2.2 Potentiometer min.
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Classic P3 x/x - 240-840A Current controller - PI loop circuit for a positive command value Bridge 2 positive R33, C81 Bridge 2 Basic set-up Amplification ~1.1 Integration time ~15ms Changing the amplification Bridge 2: + R14 Changing the integration time Bridge 2: t [ms]- 18k 1µF + C81...
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3 Electrical Installation 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.
Classic P3 x/x - 240-840A Commissioning P3 x/x-x with REG4 Check the following connections before commissioning Observe the type plate! Basic connection - power connections P3 Power supply power bolts X10:14, X10:15, X10:16 Power supply auxiliary voltage terminals X5:11, X5:12 Power supply field terminals X5:17, X5:18...
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4 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, EF2 LED 3 bright Power supply off LED 6 dark Check the tacho connection Switch on the enable...
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Classic P3 x/x - 240-840A Switch on the power Voltages applying across Check the pre-fuse and the X10: 14,15,16 contactor circuit X5 : 11,12 X5 : 17,18 -Fuses FE1 and FE2 defective All LED dark - Power section defective - Internal short-circuit - Check the tacho / tacho LED 3 dark connection...
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5 Error diagnosis Malfunction Causes - Wrong power supply and motor connections - Activated fuses Motor does not run - Missing enable or command value - Current limit too low - Missing BTB - Wrong polarity of the actual value (tacho) - Values of the tacho switch S9 too low - Command value too high Motor speeds up...
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 attributes. UNITEK specifically disclaims the implied warranties or merchantability and fitness for a particular purpose.
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