User Manual - Voltage Stabilizer
Contents
1. Phase No Model Rated Output Size mm Cabinet Weight KVA capability max DxWxH QTY kg KVA current A Single phase DBW 10 10 45 500x650x1320 One 180 DBW 15 15 68 500x650x1320 258 DBW 20 20 91 500x650x1320 290 DBW 25 25 114 500x650x1320 310 DBW 30 30 136 500x650x1320 320 DBW 40 40 182 500x700x1500 338 DBW 50 50 227 620x800x1500 354 DBW 60 60 273 620x800x1500 390 DBW 80 80 364 680x920x1620 410 DBW 100 100 455 680x920x1620 470 DBW 120 120 545 680x920x1620 498 DBW 150 150 682 680x920x1750 531 DBW 180 180 818 680x920x1750 540 DBW 200 200 909 680x920x1750 550 NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk fia NEOPOWER 7 NEO Solution For Your POWER Three phase SBW 20 20 30 720x600x1250 One 230 SBW 30 30 45 720x600x1250 240 SBW F 50 50 76 720x600x1250 287 SBW F 60 60 91 720x600x1250 301 SBW F 80 80 121 820x620x1440 379 SBW F 100 100 152 820x620x1440 414 SBW F 120 120 182 820x620x1440 435 SBW F 150 150 227 770x900x1620 577 SBW F 180 180 273 770x900x1620 600 SBW F 200 200 303 770x900x1620 610 SBW F 225 225 341 800x12. detecting unit will of send the command of adjusting the output until the voltage resumes to the permitted range of the set precision The voltage stabilizing precision can be adjusted between 1 and 5 with the potentiometer Pr3 The central position of the rated voltage is adjusted by the regulator potentiometer 6 Three phase protection circuit 1 The automatic switch QA protects the main circuit from overload and short out The QLS1 and QLS2 limit switches from the overrun protection circuit When the electrical brush slides and touches the upper limit or lower limit switch coil of the voltage regulating relay will be disconnected with the power supply to release the relay and stop the servo motor and protect the circuit from overrunning 2 The normally closed contact of the control relay is closed while the over and under voltage protection circuit is in normal running state When the signal voltage exceeds over voltage protection set value or fall under the under pressure protection set value the normally closed contact of the protection relay will be cut off and accordingly the control circuit will be cut off the automatic compensating system will quit working The over voltage set value is about 420V and the under voltage set value 320V and acoustic optic alarm is set well before delivery 3 Protection circuit for phase sequence and loss of phase When the leading phase sequence of the three phase power supply is mismatched or lose pha
3. replace 2 Control circuit board is broken 3 The motor is broken 4The failure mechanical system 5 Load feeds harmonic back higher wave Voltage regulation actuates in one direction only 1 Normally closed contact of travel limit switch is open or broken Replace 2 Manual Automatic changeover switch contact is broken 3 Step up down relay on the control panel is broken No voltage output 1 normally closed contact of stop button is open Replace 2 The stabilizing button is broken contact of voltage 3 Contact KM in main loop is broken Often trip 1 Over value of control circuit board is not voltage adjusted well Have it adjusted or repaired by professional personnel 2 The resistance of control circuit board varies 8 Function collocation and adjusting method of the components on control panel For loss of phase and phase sequence reply When meet with leading misphase or loss of NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk E NEOPOWER NEO Solution For Your POWER phase the indicator light does not shine and the machine cannot start For over voltage and under voltage protection reply When the voltage stabilizer goes wrong or the leading vol
4. should be connected with the pile head which marked with earth wire in the case The resistance of earth wire should be less than 0 40 6 The gauge of the power leading wire can be chosen by the user according to the magnitude of machine s capability The following table is only for reference Capacitance KVA 20 30 50 100 180 225 320 400 500 600 800 1000 Wire mm 6 10 16 50 90 150 240 Copper bus wiring is suggested Earthing examination The first and most important step for the debugging personnel is to check the connecting wires carefully which is pivotal to assure the reliable running of the voltage stabilizer The detailed working contents are as follows 1 Check the main loop connection wire and see whether it is firm and reliable whether the connecting wires of the universal breaker switch of QN knife switch comes loose Screw it down if it comes loose 2 Check the contact wires of all kinds of electrical devices behind the panel such as voltmeter ammeter lamp indicator button change over switch and see whether they are firm and reliable You should screw them down if they come loose 3 Check the circuit board and see whether connecting wire of each point comes loose You should screw it down if it comes loose Check the servo motor on the voltage regulator and see whether the connection wire of limit switch is reliable You sh
5. symmetrically and automatically By using the chain to drive the electrical brush to slide on along the exposed part slide way of the autotransformer s cylindrical solenoid the servo motor can adjust the secondary voltage reposefully and carry the point of changing compensating voltage and keeping the stabilization of output voltage Control circuit of servo motor The servo motor has two control modes manual operation and automatic operation which can be selected by using changeover switch When at the position of manual operation press the button of voltage step up is you want to increase the output voltage and press the button of voltage step down if you want to decrease the output voltage so as to make the output voltage meet the power supply requirement At this time the voltage stabilizer does not have the function of voltage stabilizing When the automatic operation is selected the voltage step up down can be detected automatically by the detecting unit to carry the point of automatic voltage stabilizing 4 1 2 Switchgear and operation circuit of three phase main circuit The AC contactor are set in the main circuit one for shifting of mains supply one for voltage stabilizing startup and one for protection of voltage stabilizer 30KVA 100KAV An automatic switch and a knife switch are set in the main circuit of voltage stabilizer above 150K To turn the voltage stabilizing function one should only put the
6. 000x1650 705 SBW F 250 250 379 800x1000x1650 728 SBW F 300 300 455 900x1100x1850 890 SBW F 320 320 485 900x1100x1850 815 SBW F 350 350 530 900x1100x1850 940 SBW F 400 400 606 900x1100x1850 1020 SBW F 450 450 681 900x1100x1850 1063 SBW F 500 500 758 1050x900x1860 Two 1350 SBW F 600 600 909 1050x900x1860 1390 SBW F 800 800 1212 1000x800x1860 three 2180 SBW F 1000 1000 1515 1000x800x1860 2370 SBW F 1200 1200 1818 900x900x1860 Four 2670 SBW F 1400 1400 2121 1000x1100x1860 3200 SBW F 1600 1600 2424 1000x1100x1860 3800 SBW F 1800 1800 2727 1000x1200x1860 4800 SBW F 2000 2000 3030 1000x1200x1860 4990 SBW F 2500 2500 3798 1250x1200x2000 6600 SBW F 3000 3000 4545 1250x1200x2000 7200 3 Working Condition The SBW F and DBW series voltage stabilizers should be used indoor if require outdoor use please ask us if it is available The normal service conditions are as follow 1 Ambient temperature 5 C 45 C 2 Height above sea level not exceeding 1000 meters 3 Relative temperature lt 90 4 There should be no gas vapor chemical sediments dust dirt or other volatile and erosive medium that will influence the insulation intensity of the voltage stabilizer at the installation site 5 There should be no serer vibration or bump at the installation site 6 The user should consult with us if the product is used in special using condition which does not meet the above mentioned conditions NeoPack I
7. fia NEOPOWER NEO Solution For Your POWER SBW F DBW series Voltage Stabilizer for Industry Use User Manual Summary DBW SBW F compensation Automatic Voltage Stabilizer is designed referring to international congener products When input voltage fluctuated it can output the voltage automatically and stably Our product has many advantages as follows high power capacity high efficiency wide input voltage range high output voltage precision smooth voltage regulation broad load application long continuous work life no wave distortion strong protection performance little dimension light weight work reliability easy operation simple maintenance and so on This product is widely used in industrial and mining enterprise communications broadcast television traffic national defense construction medical treatment large scale mechanical and electrical equipment of scientific research and culture departments production assembly line construction project equipment broadcast television equipment medical equipment precision machine tool electronic computer precision instrument elevator and soon 2 Model amp Technical Specification a The model of SBW series voltage stabilizer is shown as below X BW XXX F Independent phase regulation Rated Capacity KVA Compensation voltage stabilizer D Mono phase S Three phase b Main Technical Specification 220V 380V 20 or 30 In
8. he lower and rear part of the case through the current transformer the number of turns is according to the request of the nameplate and connected with the upper pile head of the air switch in the case 2 Leading connection for the voltage stabilizer above 320KVA The three phase wires A B and C of the input power supply should be connected with the copper bus corresponding to the upper pile head of the air switch or the air breaker the bus is marked with the letters A B and C 3 Connecting wire for multi case products the connecting wire for the double case and four case can be the soft copper wire with section no less than 1mm and the wire should be connected with the line contact bank of the inter case terminal and ranged up to down correspondingly 4 Connection of outgoing line Each connection terminal marked with output voltage on the voltage stabilizer should be connected with load The specification of the connection wire is decided by the user according to the load Generally it should be the same as the leading wire NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk 5 ie NEO Solution For Your POWER NEOPOWER 5 Chassis protective earthing the gauge of the earth wire is carried out according to the relative stipulations of local power supply authority The earth wire
9. knife switch handle to the position of voltage stabilizing and press the button of voltage stabilizing If you want to connect the power grid directly you should only put the knife switch to the position of mains supply NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk E NEOPOWER NEO Solution For Your POWER 5 Detecting and adjusting unit of three phase voltage stabilizer Sampling control transformer takes out the sampling voltage and control voltage from the output terminal of the voltage stabilizer The upper limit reference voltage can be gotten after transforming commutating wave filtering stabilizing and dividing of control voltage The signal voltage which changes subject to output voltage can be gotten after transforming commutating and wave filtering of sampling voltage If output it to the comparator for comparison when the signal voltage is between the upper limit and lower limit voltage all the contacts of the control relays are on OFF position when the signal voltage exceeds the upper limit and the upper limit reference voltage precision the control relay and contact relay will actuate Servo motor runs to adjust compensating voltage and stabilize the output voltage In a word when the changing of output voltage exceeds the permitted range of set precision the voltage
10. lete 3 Whether the compensating transformer the regulating transformer and other components are in good condition 4 Whether the fasteners are loosened shifted and whether the terminals are well connected 5 Whether voltage regulating system and gearing are safe and reliable If the carbon brush is misplaced or broken correct it or replace it in time Notice Do not put the machine in a damp place for a long time otherwise the machine s performance and quality will be influenced 2 Notice for location 1 The installation site of the voltage stabilizer should be dry and ventilated without severe vibration dust or sand and rainfall penetration 2 During removal it should be handled with care over incline is banned The stress on chassis should be even The machine should be placed on even keel 3 There should be enough space around the machine to insure the ventilation and the convenience for maintenance 3 Insulation Requirements Strap the input and output terminals and lead out the testing point Test the insulation to ground of the testing point with a 1000V megohm meter the measured value should be more than 1M0 if the value is less than 1 MQ check the causes or dry the humidity in the case with an electric heater until it reaches the standard value 4 Insulation and connection 1 Leading connection for the voltage stabilizer under 225KVA The three phase wires A B and C of the input power supply should be led in from t
11. nternational Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk ie NEO Solution For Your POWER NEOPOWER 4 Structure It is made up of three phase single phase compensating transformer three phase single phase regulating transformer isolation transformer gear electrical brush contact system case body and control system The surface of the cylindrical solenoid of the three phase single phase regulating transformer is burnished and wiped off insulation Smooth conductor surface enables it to contact with the electrical brush well the gearing is made up of servo motor worm wheel worm chain wheel and chain Reasonable and reliable structure of the brush contact system assures the brush pressure The case body is of enclosed type small bulk and good radiating capability The instrumentation is located observably with accurate indications 5 Basic components and circuit 1 2 3 Compensating transformer When the polarity and magnitude voltage increased on the primary coil changes the secondary coil that is connected with the load loop in series will produce compensating voltage with changeable amplitude value and polarity Regulating transformer is a three phase autotransformer that can adjust secondary voltage automatically It has three pairs of electrical brushes that can slide
12. ould screw it down if it comes loose 4 Check the control circuit board and circuit breaker which control the power supply of electric motor in the control board and see whether they are closed 6 Operation of electrifying and debugging 1 Put the Manual Automatic optional switch to the position of Manual 2 Put the knife switch to the position of Voltage Stabilizing the voltage stabilizer is in zero load state switch on the power supply close the switch QA at this time the indicator light of the three phase electrical source on the panel is on The reading is shown on the input voltmeter and the input power on test is finished 3 Press the button of Voltage Stabilizing about 5 15 seconds later the delay relay is closed which makes the output contactor electrified and close The green light for Voltage Stabilizing is on Then according to the reading shown on the output voltmeter press button of Voltage Step up or Voltage Step down the pointer of output voltmeter will rise or fall accordingly and the manual voltage regulation test is finished Notices If the voltage stabilizer cannot be started up and the indicator light of the phase sequence protector does not shine after pressing the button of Voltage Stabilizing the means the phase sequence is wrongly connected To clear the trouble you should first cut off the power supply and then only exchange any two leading wires of the three After pres
13. pensating system will quit working 6 Service condition The SBW F and DBW series voltage stabilizers should be used indoor The normal service condition are as follow 7 Ambient temperature 5 C 45 C 8 Height above sea level not exceeding 1000 meters 9 Relative temperature lt 90 10 There should be no gas vapor chemical seciment dust dirt or other volatile and erosive medium that will influence the insulation intensity of the voltage stabilizer at the installation site 11 There should be no serer vibration or bump at the installation site 12 The user should consult with us if the product is used in special using condition which does not meet the above mentioned conditions 7 Notice for ordering 1 To place an order you should make clear the model of the product the capacitance rated output voltage range of input voltage variation precision of voltage stabilizing and power supply input position 2 For special requirements please contact with our technical department for further advices NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk E NEOPOWER NEO Solution For Your POWER Manual for debugging and maintenance 1 Unpacking examination 1 Whether the pack is damaged during transportation 2 Whether the technical document and fittings are all comp
14. push the button of Voltage Step down and make the voltage value reach to 360V or so Shift the switch to the position of Automatic the output voltage will according rise to 380V or so This is voltage step down test Automatic voltage stabilizing test is finished upon the success of above two tests Put the Manual Automatic switch to the position of Automatic when the debugging is over and the voltage stabilizer will be in running state 5 Put the knife switch to the position of mains supply close the QA switch and you can get the mains supply output Notice for debugging voltage stabilizers above 400KVA The capacitance products of this kind have the similar debugging method with the voltage stabilizer under 400KVA But as the capacitance is relatively large generally the equipment of automatic power up and time delay input are not designed which can be added according to the user s request Notice for debugging of split phase voltage regulating stabilizer The capacitance products of this kind have the similar debugging method to the above mentioned stabilizer The difference is that the split phases regulate the voltage severally the regulating system of each phase is separate and uncorrelated with other phase Each phase is set with manual automatic switch the debugging should be carried phase by phase 7 Load operation When debugging the load should be added in step by step one should take s
15. put voltage i Efficiency gt 98 custom design available Insulation Output voltage 220V 380V 2 5 can be set gt 2MQ resistance Output voltage f Withstand Sine wave 2000V 1min wave voltage Waveform No additional waveform Over load 1min at 2 times of the Distortion distortion capacity rated current Response speed lt 1 5S when outside voltage has 10 of change NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk rae NEOPOWER NEO Solution For Your POWER c Main Protection Function Over voltage amp under voltage Protection When output voltage exceeds 10 rated voltage Stabilizer cut off output source automatically Phase sequence When the sequence of three phase are incorrect Stabilizer cut off output protection automatically Phase lack m If phase lacked Stabilizer cut off output automatically protection Mechanical If servomotor or drive system happened to malfunction Stabilizer cut off output breakdown i automatically protection Short circuit protection If output short circuit air switch cut off input automatically Bypass Function When the breakdown happens to the stabilizer the bypass will work manually default or automatically can be customized by requirement d Models and Specification
16. se The indicator light of the phase sequence protector will be off and whole machine will be in automatic protection state 7 This machine has two control boards named A and B if there is any malfunction found on control board A during using you can prod the changeover switch of the standby board to control board B which will work instead of board A 8 Voltage detecting and adjusting unit of single phase voltage stabilizer The operation principle of the detection and adjusting unit of the single phase voltage NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk Pa NEOPOWER NEO Solution For Your POWER stabilizer is the same as the three phase voltage stabilizer The automatic switch QA protects the main circuit from over voltage and short out The automatic voltage compensating system is set with overrun protection When the electrical brush slides to each side and hit the limit switch the normally closed contact will be cut off and servo motor will stop When the over voltage protection circuit is in normal running state the normally closed contact of the control relay is closed When the signal voltage exceeds the set value of over voltage protection the normally closed contact of the control relay will be cut off and accordingly the control circuit will be cut off and the automatic com
17. sing the button of Voltage Stabilizing the voltage stabilizing will have output NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk ie NEO Solution For Your POWER NEOPOWER voltage but instantaneous warning and automatic trip protection will function which is to show the connection is right As the input voltage is on the high side and the output voltage is also in high side and will exceed the protection value for over voltage At this time you should put the Manual Automatic optional switch to the position of Automatic push the button of Voltage Stabilizing watch the reading on the voltmeter until the voltage is stabilized to 380V and then operate as step 4 Under the two states of Voltage Step up and Voltage Step down debug the stabilizer and make clear if it can stabilize the voltage to 380V automatically If anything abnormal occurs please contact with our company at once 4 Put the button of Manual Automatic switch to position of Manual push the button of Voltage Step up and make the voltage value reach to 400V or so Shift the switch to the position of Automatic the output voltage will accordingly fall to 380V or so This is voltage step up test Put the button of Manual Automatic switch to the position of Manual
18. tabilizer check the temperature rise of the compensating transformer and regulating transformer and see if they are normal if the load surpasses the rated value if the input voltage surpasses the stipulated limit if the regulating system and gearing includes gearing changes and reduction case are working normally if carbon brush racks come loose If the carbon brushes are on the same planar and the same line None of the problems mentioned above is permitted So you should solve it in time if any of the problems is found For further information please notice the management personnel for solution to avoid damaging the equipment It is suggested that maintenance should be made every three months which includes 1 Clear up the dust and dirt on the components of the voltage stabilizer 2 Check the components and replace them if they are broken 3 Check the decelerator of regulating system and the chain gearing and see if they are working normally You should keep the chains lubricant and correct the tension of the chains replace the broken or greatly abrased brush strips Clean the coil of the columnar regulator with carbon tetrachloride and cotton 4 Make records of maintenance carefully NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk
19. tage is too high or too low and makes the output voltage exceed 420V or less than 320V KC3 actuates protection light is on to stop the voltage stabilizer and the siren will sound Use PR3 relay to adjust the value of over voltage protection point Use PR1 to adjust the value of under voltage protection point For KC1 step up relay When the output voltage of the stabilizer is under the set stabilizing range KC1 actuates to make the servo motor drive the electrical brush and increase the output voltage to 380V and KC1 release The process of automatic regulating is over For KC2 step down reply When the output voltage of the stabilizer exceeds the set stabilizing range KC2 actuates to make the servo motor drive the electrical brush and lower the output voltage to 380V and KC1 release The process of automatic regulating is over For RP1 central voltage regulating relay Put the voltage stabilizer in zero load running state fist adjust RP2 to minimum adjust anti clockwise then revolve RPP1 Revolve anti clockwise to lower the output voltage and revolve clockwise to raise the output voltage For PR2 regulating relay of voltage stabilizing precision Revolve the potentiometer anti clockwise the voltage stabilizing precision inclines to direction of 1 revolve the potentiometer clockwise the voltage stabilizing precision inclines to the direction of 5 9 Daily maintenance During operation scout regularly the working state of the voltage s
20. trict precautions against overload It is strongly recommended that the load of voltage stabilizer should not surpass80 of rated value the stabilizing efficiency and the reliability is the highest at this time If the load is assuredly on the high side you should strengthen the cooling measures when use it If breakdown occurs at the time the machine is running with large load it is required that the load should be increased step by step when the power supply is resumed One should take strict precautions against simultaneous start up of several high power electro motors or the overwhelming electric current will damage the voltage stabilizer NeoPack International Limited Add XIXING ROAD LIUSHI WENZHOU ZHEJIANG P R CHINA 325604 Tel 86 577 2787 6782 Fax 86 577 2787 6752 E mail sales neopower hk Http www neopower hk ie SNE OPOWER NEO Solution For Your POWER Common Malfunction and Troubleshooting No Malfunction Cause Solution 1 Can not start 1 Error phase sequence of input power wiring or abnormal electric network 1 Change any two power supply wires or check if the power line is in order it is in correct phase order if the phase order protector light is on And then start the device 2 Air switch in the device is not closed or broken 2 Switch on or replace air switch Can not regulate the voltage 1 Samling transformer is broken 1 2 3 and 4 repair or
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