rotary electric converter (three phase)
Contents
1. Motor Ma Mb Mc B Endstop switch SA4 SA5 Carbon brush ocrew adjustment for spanning steel cable Steel cable ls socket for motor Xpa Capacitor C 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 5 Principle of operation 5 1 Design The converter consist of compensation transformer variable autotransformer isolation transformer optional voltage detection and control circuit over voltage and under voltage protection circuit servomotor and driving mechanism Fig 1 By pass switch over current protection Voltage detect Fig 1 A odd EP ERE 1 isolation transfromer Dutput isolation transfromer V AMor Aft Voltage sample compare control circuli Fig2 Electric principle diagram The converter consist of compensation transformer T1 and regulator T2 Refer to Fig2 U2 U1 a U where U1 is input voltage U2 is output voltage and AU is compensation voltage When the input voltage and or the load are varied the output voltage is maintained constant by adjusting the compensation voltage Sample of the output after it has been rectified and filtered is compared with the reference voltage The amplified difference is then used to control the motor drive and move the brushes along the2. ROTARY ELECTRIC CONVERTER THREE PHASE SHIMATSE pa m e STB 33 150 The contents of this document are subject to revision without notice due to continued progress in methodology design and manufacturing SHIMATSU J apan Technology User Manual IMPORTANT SAFETY WARNING ROTARY ELECTRIC CONVERTERS OPERATE AI MAINS VOLTAGES INSTALLATION CONNECTION AND MAINTENANCE MUST BE CARRIED OUT BY SUITABLY QUALIFIED PERSONNEL ONLY AND IN ACCORANCE WITH GOOD ENGINEERING PRACTICE IT IS IMPORTANT THAT THE INSTRUCTION MANUAL IS CAREFULLY READ BEFORE ANY WORK IS COMMENCED NOTE Before first time switching ON the Rotary Electric Converter must be visually inspect both externally and internally This is to ensure that there has been no damage or that there is no dust or other foreign objects that have accumulated during transportation or installation Pay particular care to the variable transformer brushes and tracks NOTE Ensure that the Rotary Electric Converter is connected to a good protective earth NOTE Ensure that the installation location of the Rotary Electric Converter allows adequate ventilation and is not causing overheating NOTE The Rotary Electric Converter may not be installed in an explosive material area or in an inflammable gas environment NOTE Ensure that the Rotary Electric Converter has Normal By Pass also marked as Stable Line transfer function No work should be commenced at live line cond
3. Inspect the mechanical fasteners and tighten any loose screws The three brush groups should be on one level line 2014 07 03 Rev B
4. Stop key the unit will go to otop state after a seconds delay 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 6 3 2 Screen Default The screeni show the input output Voltage autotransformer output Current in one Screen ii M praet Cu i F TE HRE i Se RABH N hd i Bar af 13 t ian ma M A Ea Bu w a dH H CPC i aad i wr Hh aa i i 7T E iit E d j W i Qe un A al Bitter er a DE LEES iF Henne uuu Cr Td bars hha EM i an i m Pa H ieii jj ipii Ji 5o dimer Bist iH d igi oie rie ME Fa feel osi ii 7 Themi seller B di Pit H Description Input Voltage Output Voltage 6 3 3 Screen2 The screen 2 show the power parameter in detail mna m VEME Ji OMI PXEEIN DEMEI UIITUSE G pSirm n a E BU TS RE i 3 d i m Prim DE j Taro i P ha ud i i ili HH hi ti re inii gs ii it mn HF Hh fL is i sits uh T vu i I TP BW ud Uii Wu i B di E iim ii Li H HE Pli i a g i E mi E AgI ii i bi hil i ii E d Heb iL hemlh hut Cni alle Description 10 11 12 13 14 15 16 11 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 6 3 4 Screen3 i f TBHaudldnidasn FOAI 4 i Rateduni Lact i iS Aah S FCCP acy 6 Hom fitit n om i H zou pi p rus i bs EF EER V d ORB ALIENI um beseipton 0 6 Under Voltage V Alarms of Under Voltage Output voltage a MaxVTi A Alarms of Maximum autotransformer current 9 CrOW CTvaueofou
5. a L i H 3 p I t B E 1 a pmi E 3 owe a s m ot Pe halted Dike cated E ka Ehad Ui batcled cba ted Soka al ash yc pal ia Ad napa miel a s is jhen e x 1 1 i ay i j 1 t Be s Sample PCB Fans Check PCB Main Control PCB All the data s computing center rs Relay PCB Control the contactors motors action Sample PCB Samples the voltage and current Fans Check PCB Check all the fans 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 4 3 Variable auto transformer T1 UJ Vo G O C
6. autotransformer assembly If necessary clean the mechanical surfaces with soft brush Make sure that mains supply is OFF Normal Stable breaker is OFF and Output switch on the front panel is OFF b Connect input and output cables to terminals marked INPUT and OUTPUT terminal marked N connects the output neutral wire The terminal marked connects the protective earth The earth resistance should be less than 0 1 Ohm See the picture below LI L i l N L1 L T A N B C Connect to B Connect malns power C A to load 15 2014 07 03 Rev B SHIMATSU J apan Technology User Manual Size and configuration of input and output cables Input Cable Output Cable Min dimension mm Min dimension mm t t2 13 N Lt 12 us N S 150kVA 70 70 7 7 7 7 7 7 3 200kvA 95 5 9 9 9 9 9 9 5 300KVA 150 150 15 1 150 150 150 150 7 400kVA 240 240 24 2 240 240 240 240 120 c After the connection is completed and verified mains can be turned ON Switch ON the Normal Stable breaker QF1 Then turn ON the Start Stop button on the front panel After 1 3 seconds delay the Rotary Electric Converter will start up and provide stabilized output voltage d Check to see if each output phase voltage i
7. autotransformers 8 2014 07 03 Rev B SHIMATSU J apan Technology User Manual conducting surface Such change to the input voltage of compensating transformer allows the output voltage to remain within the required range The control is maintained in both directions QF2 INPUT QF Taras E Fig3 Main Circuit Diagram of Three Phase converter Subject to change without notice Note 1 QF1 Normal and QF2 By Pass are mechanically interlocked 2 11 T2 T3 are compensation transformers 2014 07 03 Rev B OUTPUT SHIMATSU J apan Technology User Manual 6 Micro controller System 6 1 Basic Function Description Stabilization Stabilize the voltage and then output Stop Power output Stop Power output J 3 Go back to Stabilization state when fault Auto Recover disappears 6 2 Working Step when power on 1 three phase self checking one by one 2 Stabilize the voltage and then output 6 3 HMI 6 3 1 LCD Displayer and Key panel For voltage stabilize working more quickly we reduce the speed of communication between display and the main board there are a delay time of 2 5 s between them There are 5 screens in the LCD monitor eut FAU ud ME MEE Sereens e Move the oursor Press the Regulation key the unit will Regulation go to Regulation state after a seconds delay Bypass No Bypass state in this Unit Bypass Stop 9 s Press the
8. itions NOTE Before installation Rotary Electric Converter desiccant agent Silica Gel bag and residual matter should be removed from Rotary Electric Converter and surely inspected 2014 07 03 Rev B SHIMATSU J apan Technology User Manual Table of content 1 Introduction 2 Features 3 Specifications 3 1 Electrical specifications 3 2 Mechanical specifications 4 Technical guide 4 1 User Interface 4 2 Partlocation 4 3 Control board 4 4 Auto transformer 4 5 Voltage control board PCB1 4 6 Over under voltage protection board PCB2 5 Principle of operation 5 1 Design 5 2 Electrical principle diagram 5 3 Monitor and control circuit 5 4 Over under voltage protection principle 5 5 Other protection circuit 6 Installation Adjustment and Operation 6 1 Installation procedure 7 Maintenance 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 1 Introduction STB Series Rotary Electric Converters are designed and manufactured utilizing advanced compensation technique The Rotary Electric Converter s offer high capacity and high efficiency They are easy to operate require simple maintenance and offer high reliability The Rotary Electric Converter can match any load type especially unmanned operation of equipment in telecommunication centers The Rotary Electric Converter s provide stable output voltage supply for electronic equipment such as telecom base station CNC machines computerized topograph
9. nt aaa Freer alarm and cut off the output 9 Smoke Detecting DITTO 10 Can t Stabilization If the unit can t stabilize the i voltage in 20s after power on it will alarms 11 Overheating When compensating transformer Overheating Cut off output SHIMATSU J apan Technology User Manual 7 Installation Adjustment and Operation The Rotary Electric Converter should be installed in dust free dry area with sufficient airflow for ventilation Also see the SAFETY WARNING section The mains connection must have adequate capacity to match the Rotary Electric Converter s input requirements The three phases should be well balanced The installation floor should be leveled to prevent the Rotary Electric Converter from sliding Also check the floor loading capacity To install the Rotary Electric Converter please confirm the distances to surrounding surfaces as per the drawing below FEFFF A Dui ri YY y oy a 2r E FE il r4 ra ra a F 30r 3o0mm 1 E nu REAR ze Z E oe of 2 y anu P i url a T oe a O ve af Ye z e 50mm 50mm al Ln Ae oe ee ee Ye V 2A a s PH ur s ru aru i p Fn FRGONT er oe D T we m r movable tf TOR VIEW FRONT VIEW Installation procedure a The Rotary Electric Converter when installed should be inspected carefully for physical damage during shipment loosen screws dust or other foreign objects Particular attention should be paid to the roller brushes
10. pul 6 3 5 How to modify the parameters 1 Press UP or DOWN key select a item 2 Press ENTER key to modify 3 Press LEFT or RIGHT key select one digit 4 Press UP or Down key increase decrease it 5 Press ENTER key confirm the modification There are about 2s delay 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 6 3 6 Screen4 The screen 4 show the temperature of the PCB pme Hy GE VETME DUETIN TEPIEN B3 E 6 3 7 Screen5 The screen 5 show the failure information When a failure happens The failure information will pop out on the screen sllsdi hele en Fia wisi wi di a i H eh dd od unu ph ur uii Table of failure information 3 5 7 Note When a failure happens The Failure information shows in the Last Err 3 EX 6 EA 8 10 EN 12 13 14 15 16 10 11 12 13 14 15 16 17 18 19 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 6 4 Fault detection and handling 2014 07 03 Rev B 1 Lacking phase Delay for 6 seconds Start the alarm and cut off the output and then back to the end After power back to normal it automatic recovery Input overvoltage DITTO Input under DITTO voltage Output overvoltage DITTO Output under DTO voltage Output over Delay for 15 seconds Start the current alarm and cut off the output and then back to the end After power back to normal it automatic recovery over curre
11. s e Under voltage shutdown Output voltage 176Vac 20 4 7s delay before cut off Automatic restart when mains voltage increases Output voltage accuracy Selectable 1 to 5 Factory preset at 1 5 Long term Stability 296 Overload protection Automatic circuit breaker rated at 130 Overload capability for heavy start load e Manual By pass Rated for 13096 nominal current e Efficiency gt 98 Without isolation transformer 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 3 2 Mechanical specifications Environment Protection class IP20 Electrical safety CE equivalent Ambient Operating temperature 20 C to 45 C Relative humanity lt 90 Dimensions Dimensions mm Rating kVA WxHxD STB 30KVA F 80 300x1270x720 300x1270 720 1270x720 STB 50KVA F 08 300x12 0x720 STB 80KVA F 08 300x1270x720 ue 300x 1270x720 STB 200KVA F 600x2000x 1250 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 4 Technical quide 4 1 Parts Location TH Hy Lm id Pr z IRE ee 2 B Autotransformer T2 000000 E Normal circuit breaker QF1 and By Pass circuit Bd breaker 2014 07 03 Rev B SHIMATSU J apan Technology User Manual 4 2 Control board Dae m TERRE ji ais z a f age m T a se am DOW Gece oi MG Wii RELA y 2 D zd Mr 1 TI pr gu m a 1 og e Pea Ies nu Hall Ld ur Neige A i 1 kl bl tal 1
12. s OK and stable e Verify the By Pass Line operation Warning To transfer from By Pass or Normal should always first turn the power OFF Turn ON breaker QF2 The output of Rotary Electric Converter is directly provided from AC power line After the verification is completed set again to Normal Stable QF1 This should be the default mode of operation f In case of electrical fault overheating loud noise smoke or any other abnormal phenomenon switch OFF the Start Stop button and turn OFF the Normal Stable breaker QF1 immediately then turn OFF the power Power can only be restored after the problem has been solved 8 Maintenance Warning Maintenance can only be performed by qualified personnel Make sure that maintenance procedures are performed to an Rotary Electric Converter unit disconnected from mains Equipment AC voltmeter multimeter electrical screwdriver set spanners soft brush lubricant oil pliers Intervals The Rotary Electric Converter should be maintained periodically every 6 to 12 months Preventive Maintenance After every 6 to 12 months of operation the Rotary Electric Converter must be cleaned from dust and carbon powder Pay attention to the roller brush surface and the autotransformer surface where the roller brushes are touching Clean it with soft brush or dry cloth It is also essential to lubricate the gear and the drive parts with a small amount of lubricant oil every regular interval
13. y printing machines production lines and others For up to 500KVA capacity STB Series Rotary Electric Converter s employ roller type brush The electrical design combines three phase overall control with independent phase adjustments 2 Features 32bit microprocessor control system ARM Cortex M3 Wide input voltage range Wide load power factor range resistive capacitive inductive Continuous operation and short time over load rated Long life roller type carbon brush Negligible wave distortion to the output Isolation transformer can be connected at the input or at the output of the Rotary Electric Converter e The A Y or Y A isolation transformer option offers 3rd harmonic rejection Protection circuit over under voltage and over current with shutdown delays e Manual By Pass Normal Stable breaker and By Pass Line breaker are mechanically interlocked Vacuum pressure impregnation process for F or H class insulation of the magnetic components e Surge protection option is available on request e Multiple outputs or other output voltages are available on request 3 Specifications 3 1Electrical specifications e Input voltage range Maximum allowed280V 450Vac 50Hz Non destructive 0 500 Vac 50Hz e Input frequency range 50Hz 5Hz e Nominal output voltage Three phase 380Vac 50Hz Over voltage shutdown Output voltage 253Vac 41594 4 7s delay before cut off Automatic restart when mains voltage decrease
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