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TNDZ,

TNSZ

AC AUTOMATIC VOLTAGE REGULATORS

SERIES PILLAR TYPE

User Instruction

NO:2020.10

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Summary of Contents for TNDZ Series

Page 1: ...TNDZ TNSZ AC AUTOMATIC VOLTAGE REGULATORS SERIES PILLAR TYPE User Instruction NO 2020 10 ...

Page 2: ...osive gas is forbidden When the product is being installed or maintained the power must be switched off You are prohibited from touching the conductive part when the product is operating Do not install the product in a place where the gaseous medium can corrode the metal or damage the insulation Column AC automatic voltage regulators are prohibited from being used in parallel ...

Page 3: ...erature 40 C and the average temperature within 24 hours shall not exceed 35 C C 3 2 Installation conditions 3 2 1 For indoors use and the products cannot be used in parallel the inclination of the mounting surface to the horizontal plane must not exceed 5 the installation site should be free from shaking and shock 3 2 2 The waveform of the supply voltage should be approximately sinusoidal For a t...

Page 4: ...l Parameters Table 1 Main Technical Parameters 5 Structural Features and Working Principle 5 1 This series of voltage regulators consists of a column regulator a compensating transformer and a controller or a control circuit which constitute a closed loop control system It is an electrical device that can stabilize the output voltage through automatic regulation 5 2 The voltage regulator has a mai...

Page 5: ... Directly connected to the inputerminal of the circuit breaker i e the input power is three phasefour wire system 03 TNDZ TNSZ series pillar type AC automatic voltage regulators Table 2 Overall Sizes of TNDZ DBW and TNSZ SBW Series Products Model Overall Size mm Note The overall and installation sizes are subject to the change without further notice The data in the table are for reference only 7 I...

Page 6: ...input power is three phasefour wire system input must be connectedto the neutral wire ie theinput power supply isthree phase four wire system Output terminal TNSZ Column type AC automatic voltage regulator TNSZ Column type AC automatic voltage regulator TNSZ Column type AC automatic voltage regulator Input terminal Figure 6 TNSZ 800 1000 Wiring Diagram 7 2 1 Select the cable with appropriate wire ...

Page 7: ...oltage Stabilization switch to the Voltage Stabilization position and close the circuit breaker switch on The voltage regulator delays the output press the Step up or Step down button to adjust the output voltage of the voltage regulator When you select the manual voltage regulation mode the product has no voltage regulation function and the output voltage may be higher or lower than the rated val...

Page 8: ...e product is equipped with the under voltage protection function the under voltage protection will start when the output reaches the protection value at the time of buck and Fault Indicator sends out a sound light alarm e After completing the above steps turn the Manual Automatic switch to the Automatic Voltage Stabilization position and then the voltage regulator realizes the automatic voltage st...

Page 9: ...k point spark in the contact area In case of large spark cut off the power for maintenance and clean the voltage regulator according to 8 1 1 of the maintenance requirements If there is a gap between the electric brush and the coil put the 0 sandpaper between the electric brush and the coil and pull it up and down to ensure the reliable contact between the electric brush and the cylindrical slide ...

Page 10: ...e the protection circuit board for TNSZ 150 or above Check the wiring of the control transformer Close the circuit breaker TNSZ 150 or above The voltage regulator is too noisy after a period of use Sundries on the contactor core surface Contactor core is damaged A friction sound during voltage regulation Clean the core surface Replace the contactor This is normal Correct the grid voltage to match ...

Page 11: ...eristics Pure resistant load Inductive capacitive load Select the voltage regulator capacity 1 3 times of the total load power 2 times of the total load power Table 4 Safety factor 1 3 2 2 3 Device type Incandescent lamp resistance wire electric furnace etc Elevator air conditioner electric motor compressor computer room factory office building etc Safety factor selection principle reference In th...

Page 12: ...4 5678 422 000 451 511 423 521 1234 5678 PV1 COMPONENT NAME COMPENSATI O N TRANSFORMER EMERGENCY STOP BUTTON AC CONTACTOR RELAY TRAVEL SWITCH FUSE COMBINATION SWITCH CONTROL BOARD COMPONENT NAME CONTROL BOARD MOTOR CONTROL TRANSFORMER CODE CODE CIRCUIT BREAKER T1 SE KM1 K1 K2 K3 ST1 ST2 QC PCB1 QF1 FU1 FU2 VOLTAGE REGULATOR T2 A P 1 CURRENT TRANSFORMER TA1 PCB1 M TC2 THE CORRESPONDENCE TABLE OF CO...

Page 13: ... QC FU2 4A 500 423 423 423 111 511 521 512 522 ST1 ST2 513 523 K3 K2 K2 K3 000 451 K1 a b c n PA1 LCD DISPLAY CONTROLLER 810 811 820 821 830 831 901 902 000 102 202 302 104 204 304 QC QC QC T2 T2 T2 111 211 311 QC 204 TA1 TA2 TA3 000 N M 502 501 K2 K3 423 000 313 312 T1 303 213 212 T1 203 113 112 301 202 302 201 B C 810 811 820 821 830 831 Figur e 10 Electrical Schematic Diagram o f TNSZ 30 100 A ...

Page 14: ...N BOARD PCB1DETECTION BOARD 901 902 7 5V STEP UP STEP DOWN MANUAL MANUAL AUTOMATIC AUTOMATIC Figur e 11 Electrical Schematic Diagram o f TNSZ 150 320 A 101 102 T1 103 B C 201 301 202 302 113 112 T1 203 213 212 T1 303 313 312 KM3 KM3 KM3 111 211 311 KM2 KM1 104 204 304 TA1 810 820 TA2 830 TA3 a b c T2 T2 T2 000 000 N n φ 4 φ 5 φ 6 602 K1 421 KM3 422 K1 425 KM2 423 ST4 424 ST3 KM3 KM2 412 411 FU1 4A...

Page 15: ...PHASE A I N DI C ATOR PHASE B I N DI C ATOR PHASE C I N DI C ATOR 000 N AB BC CA SO1 204 304 104 902 901 PV2 OUTPUT 1 3 5 7 2 4 6 8 n M 641 642 643 XT 633 632 631 621 KM4 KM5 623 622 QF2 111 211 311 111 211 380V FU3 0 5A TC2 701 702 711 710 712 721 722 17V 12V 11V 12 11 10 9 8 7 6 5 4 3 2 1 PCB2 PROTECTION BOARD 12V 441 000 000 451 102 202 302 521 511 512 522 523 513 010 PCB1DETECTION BOARD TEMPER...

Page 16: ...31 K2 441 PCB 2 9 PCB 2 7 K1 422 K1 425 KM2 423 ST4 424 ST3 HG2 VOLTAGE STABILIZATION INDICATOR KM3 HY2 MAINS INDICATOR KM2 SO3 412 411 MAINS STOP AUTOMATIC VOLTAGE STABILIZATION SB1 FU14A 303 401 STOP MANUAL MANUAL AUTOMATIC 030 SB3 000 000 N SO2 0 010 020 34 3 4 PCB 1 6 SB5 AUTOMATIC SB4 PCB 1 11 511 521 T112 ST1 512 T110 T17 ST2 522 T19 T1 8 513 523 514 524 KM5 KM4 KM4 KM5 FU24A 111 500 KM3 KM2...

Page 17: ... BOARD 12V 441 000 000 451 PCB1A DETECTION BOARD 121110987654321 521 511 010 KM2 KM3 KM3 T2 B 211 701 702 711 710 712 721 722 17V 12V 11V 121110987654321 PCB2B PROTECTI O N BOARD 12V 441 000 000 451 PCB1B DETECTI O N BOARD 1211 10987654321 521 511 010 T3 B KM2 KM3 T2 C 311 KM3 TA3 701 702 711 710 712 721 722 17V 12V 11V 121110987654321 PCB2C PROTECTI O N BOARD 12V 441 000 000 451 PCB1C DETECTI O N...

Page 18: ...ASS Test date Please see the packing ZHEJIANG CHINT ELECTRICS CO LTD TNDZ TNSZ series pillar type AC automatic voltage regulators Q ZT 431 Check 18 TNDZ TNSZ series pillar type AC automatic voltage regulators ...

Page 19: ...TNDZ TNSZ AC automatic voltage regulators series pillar type User Instruction ...

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