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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

Basic set-up

Amplification

0.4

Integration time

18m

Changing the amplification

Bridge1

Bridge 2

Cha

nging the inte-

gration time

Brid
ge 1

Bridge 2

Optimization of the current controller

- Connect an oscilloscope across the current actual value

X3:21

- Current command value step-change ±1V

X3:16

nt
co

lle

18K

Bridge 1

Bridge 2

Xp=

18k

x R14

18k

+ R14

43k

Xp=

18k

x R33

18k

+ R33

43k

[ms]-

18k

x R14

18k

+ R14

[ms]-

18k

x R33

18k

+ R33

x 1µF+C81

x 1µF+C80

Содержание Classic Q3 400 Series

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

Страница 2: ... 11 Electrical installation Connections 12 Connection diagram 13 CE advice 14 Auxiliary voltage connection 15 Transformer power connection 16 Option synchronization 17 Motor connection 19 Field connection 20 Actual value connection 21 Components 22 Adjustments 22 Circuit diagram 23 Current control loop 24 Signals 25 Measurements25 Commissioning REG4 26 27 Fault 28 29 Guarantee 30 Protocol 31 32 Co...

Страница 3: ...204 EN50178 EN60439 1 EN60146 EN61800 3 IEC UL IEC364 IEC 664 UL508C UL840 VDE Regulations VDE100 VDE110 VDE160 TÜV Regulations Trade body guidelines VGB4 The user must ensure that in the event of device failure incorrect operation loss of regulation or control the axis will be safely de activated It must also be ensured that the machine or equipment are fitted with device in dependent monitoring ...

Страница 4: ...nly 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 Series Classic Q3 General information ...

Страница 5: ...ts customary in trade and industrially standardised are used high quality bases for the IC with external connections LED displays precision potentiometers for fine adjustments plug in jumpers for the system set up Characteristics Series Classic Q3 Thyristor drive for dc motors Power range 6 75kW to 1 1MW Drive and brake in all 4 quadrants Energy recovery Intrinsically safe power section Fast analo...

Страница 6: ...ecessary only for special applications Dimensions w x h x d mm 550x800x520 550x800x520 550x800x520 Q3 500 550 1000 bis 2000 Power connection 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 A 800 1200 1600 Output current pe...

Страница 7: ...0s 200 type current Control precision 2 Control range 1 50 Enable 10V Speed control loop circuit with manual REG Control precision without actual value error 0 1 Control range 1 1000 Interface control electronics X3 Function Connector no 24V 10 X3 1 and 2 15V 2 X3 3 and 4 24V 10 X3 5 and 6 15V 2 X3 7 and 8 Device GND 0 X3 9 10 11 12 13 14 I command value GND 0 X3 15 I command value signal 10V X3 1...

Страница 8: ...on Ambient temperature 0 to 45 C reduced up to 60 C max cooling unit temperature 80 C internal watchdog Air mass throughput 1000 2000A 2500m h Dissipation loss with max power Unit Q3 x x Unit W Mains choke W 1000 3700 1000 1500 5400 1300 2000 7200 1600 ...

Страница 9: ...tion rating IP00 Isolation class T40 E Vertical angle bracket Units Q3 x x Choke type L mH PV W Dimensions a b c d e Weight kg Screw M 1000 KU240 10 00 0 05 1000 320 270 470 250 190 98 10 1500 KU240 15 00 0 03 1300 320 270 470 250 190 98 10 2000 KU240 20 00 0 02 1500 320 270 470 250 190 98 10 with filter KDFxx ...

Страница 10: ...Classsic Q3 1000 2000A 10 Dimensions ...

Страница 11: ...3 Electrical installation Q3 1000 2000A 11 Dimensions ...

Страница 12: ... Une protection Pusch button operated Switch operated ON OFF 10s 10s OFF Delayed opening Delayded opening ON Switching on Switching off Enable K3 Control voltage Power voltage Command value 10s switching off delay stand still 0 3s ...

Страница 13: ...3 Electrical installation Q3 1000 2000A 13 Connections ...

Страница 14: ...e motor housing must be connected to ground using a 10mm wire The device ground X1 8 must be connected to the mounting plate using a 2 5mm wire Device PE screw must be connected to the mounting plate using a 4mm wire l 50mm Three phase connection Power choke type see technical details Filter capacitors 0 5mF 600V 3 x 1mF x 1 x 1mF y Conductor length between the device and the power choke 250mm Mot...

Страница 15: ... Trade body guidelines Switch on the auxiliary voltage and the supply voltage simultaneously Switch off the supply voltage after the auxiliary voltage Input filter see CE advice page 14 Short conductor length to be used between the input filter and the device Auxiliary voltage connection Connection terminal X5 17 X5 18 Power supply 400V 15 Special voltages 24V 110V 230V 500V Input current max 300m...

Страница 16: ... connection Line protection Mains choke with filter Transformer protection Power connection with an auto transformer Transformer performance 1 1 x continuous motor power Secondary voltage 0 9 x motor power Transformer fuses Slow acting Observe the switch on current Input fuses F1 F2 F3 rf to the table above Attention If the secondary voltages produced by the transformer are inferior to 60 the volt...

Страница 17: ...ase position L3 across X10 14 via power choke and directly across terminal X18 36 L2 across X10 15 via power choke and directly across terminal X18 37 L1 across X10 16 via power choke and directly across terminal X18 35 The wiring has to be short circuit proof or protected by means of a line protecti on The phase position function has a watchdog and in case of wrong connections the LED D7 on the b...

Страница 18: ...Q3 1000 2000A 18 Free ...

Страница 19: ...nt 1000 auf Anfrage 2x 240 1500 auf Anfrage 2x 240 2000 auf Anfrage 2x 240 Chokes are necessary only for special applications Switching in the armature circuit dc circuit current free disable inactive Warning Faulty switching will create arcing across the switch contacts Power supply failure brake resistor Break contact of the mains contactor K1 Rating Resistor RNB max armature voltage 2 x type cu...

Страница 20: ...Q3 1000 2000A 20 Field regulator is not installed External field current regulator F2 1 xx Field connection ...

Страница 21: ...trol electronics see Manual REG In case of a positive command value Tacho positive X 1 8b Tacho negative X 1 9 Shield X 1 8 Armature voltage 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 pot...

Страница 22: ... 0 1mF to 2 2mF Potentiometer P1 min field current 0 to 15 P2 Triggering point for armature field control 200 to 450V P3 max field current 0 to 100 Jumper SW1 Pos 1 2 50Hz adjustment SW1 Pos 2 3 60Hz adjustment Switch S1 Reset LED displays D25A Current control loop RVI 1 control active D25B Current control loop RVI 2 control active D25C Enable current controller triggering enabled D25D Phase error...

Страница 23: ...5 Adjustments Q3 1000 2000A 23 Circuit diagram ...

Страница 24: ...ging the amplification Bridge1 Bridge 2 Cha nging the inte gration time Brid ge 1 Bridge 2 Optimization of the current controller Connect an oscilloscope across the current actual value X3 21 Current command value step change 1V X3 16 Current controller 18K 1 18K 1 Bridge 1 Bridge 2 Xp 18kW x R14 18kW R14 43kW Xp 18kW x R33 18kW R33 43kW t ms 18kW x R14 18kW R14 t ms 18kW x R33 18kW R33 x 1µF C81 ...

Страница 25: ...witch off on or reset key Measurements Measurement advice Measuring instruments multimeters for current and voltage shunt or clamp on ammeter Measuring faults mean value actual value acc to the form factor approx 1 to 5 Measured values with a positive command value Voltage X10 10 positive X10 13 negative max 1 15 x power supply For 400V 460V Current ammeter in the motor circuit 5s 200 continuously...

Страница 26: ... housing Control connections Enable contact between X1 3 and X1 4 Command value signal X1 6 GND X1 8a Actual value signal X1 9 GND X1 8b Shields X1 8 Control electronics REG4 Switch S4 PI amplification position 4 Switch S5 I term position 4 Switch S8 D amplification position 8 Switch S9 actual value position 8 Potentiometer I1 peak current 10 Potentiometer I2 peak current 10 Potentiometer ID conti...

Страница 27: ...uns steadily not jerky Adjust the speed to 10 by poti nmax Adjust the comm value voltage to 0V Drive is stationary Adjust the speed to stationary state by means of the potentiometer OFFSET Increase the comm value to 50 Turn the poti XP clockwise until the drive oscillates then turn it anti clockwise until the drive runs steadily Adjust current limits acc to motor data to peak current by poti I1 an...

Страница 28: ...ishes Power section LED D25E dark Set a small command value LED4 or LED5 permanently bright Wrong Tacho polarity Tacho voltage short circuited increase the command value Hot head sink Check the internal or external current limits Open armature circuit Measure the field current Armature current flowing Axis overload Mechanically blocked Motor defective no function Device to be checked by the manufa...

Страница 29: ...of the tacho switch S9 too low Command value too high For armature voltage control Field current too low Fuses armature voltage feedback activated Motor runs unsteadily Mechanical defect of the tacho Tacho malfunction Amplification of the speed controller too low or too high Wrong PID parameter Command value errors Amplification of the current controller too low or too high No motor torque Current...

Страница 30: ... observance of the manual which is included in all consignments non observance of the electrical standards and regulations improper maintenance acts of nature All further claims on transformation diminution and replacement of any kind of damage especially damage which does not affect the UNITEK device cannot be considered Follow on damage within the machine or system which may arise due to malfunc...

Страница 31: ... command value Imax1 external voltage V Current command value Imax2 external voltage V Speed controller settings REG4 Switches Tacho adjustment S9 Position P term S4 Position I term S5 Position D term S8 Position Potentiometers Speed nmax P4 Position Peak current Imax1 P5 Position Peak current Imax2 P6 Position Continuous current ID P7 Position Integrator INT P1 Position Amplification XP P3 Positi...

Страница 32: ...lification R14 R13 I term C80 C81 50 60Hz Jumper SW1 Pos 1 2 50Hz Pos 2 3 60Hz Measured data Q3 REG4 Armature voltage max V Armature current peak A Armature current continuous A Tacho voltage max V Acceleration X4 V ms Integrator X4 V ms Motor data Type plate data Manufacturer Type Serial number Motor voltage V Motor current A Tacho voltage V min 1 Tacho type Brake V Fan V Protocol ...

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